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SDSU Alumni Awards of Distinction
Awards of Distinction
SDSU Alumni Awards of Distinction are given by SDSU Alumni to Aztec alumni and other individuals associated with SDSU who have made significant contributions to the university, the San Diego community or California, nationally or internationally. They are symbols of achievement and success presented this year to distinguished alumni from each of SDSU's seven academic colleges, the Imperial Valley Campus, and Library and Information Access. Distinguished service awards also are given to an exceptional alumni volunteer and an outstanding university employee.
Volunteers can support the university in many ways and perform a valuable service to SDSU. By identifying alumni who are committed to building on the university's excellence, we can develop an SDSU community of volunteers who will connect with and strengthen San Diego State by sharing their time, expertise and experience in areas that interest them.
Access or create your account at SDSU Alumni to update your information.
College of Sciences Awardees
2018: Jo Ann Lane, Ph.D.
Jo Ann Lane, Ph.D. ('74, mathematics, '77, computer science), professor emerita, spent more than 20 years at government contractor SAIC before becoming an instructor at SDSU where she has shared her knowledge and experience with students. A member of the Computer Science Advisory Board, she created an endowed scholarship for computer science majors and supports international students from Africa and the Caribbean studying in the College of Sciences, Engineering and Health and Human Services.
2017: Robert Kain
Robert Kain ('85, physics, mathematics), biotech executive, inventor and entrepreneur, is chairman and founder of Mesa Rim Climbing and Fitness Center. With more than 40 patents issued or pending, he was an early executive at Illumina, where he helped lead the company's evolution from a startup into a world leader in the design, development, and manufacturing of integrated systems for genomic analysis.
2015: Jack Tempchin
2015: Jack Tempchin ('70, psychology), musician and singer-songwriter, is perhaps best known for writing the Eagles classic "Peaceful Easy Feeling" and the Johnny Rivers hit "Swayin' to the Music (Slow Dancing)." In addition to creating some of the most-played songs of all time, he was an early manager and performer at the Backdoor, helping to place the intimate former Aztec Center performance space – and SDSU – among the region's most revered music venues.
2014: Janet Vohariwatt
Janet Vohariwatt ('86, computer science) is CEO and founder of iChanneX Corporation, a company providing an online information and instant portal information system. She has led teams in establishing innovative IT solutions for customers and has developed cost-effective solutions for the healthcare market aimed at delivering an electronic medical records system serving multi-disciplined providers.
2013: Kristian L. Brown
2013: Kristian L. Brown ('00, biology), M.D., Ph.D, is a surgeon at Detroit Medical Center and an adjunct assistant professor of biomedical engineering at Wayne State University College of Engineering. A supporter of the College of Sciences' Center for the Advancement of Students in Academia (CASA), he is a coauthor of several scholarly papers whose work has garnered numerous research awards.
2012: Robert M. Kaplan
2012: Robert M. Kaplan ('69, psychology), Ph.D., has a widely recognized history in high priority behavioral health areas such as tobacco-induced lung disease. Currently the director of the Office of Behavioral and Social Sciences Research at the National Institutes of Health, he is known for his commitment to evidence-based behavioral research and broad knowledge of health services research and epidemiology.
2010: Christina A. Waters
2010: Christina A. Waters ('89, biology), Ph.D., has a twenty-year history of research and management in drug discovery and development in the pharmaceutical industry. Serving currently as president of Cell Therapeutics Europe and Systems Medicine, a subsidiary of Cell Therapeutics, Inc., she has developed a unique and specialized background in fostering new approaches to treatments for disorders and diseases.
2009: Janet Collins
2009: Janet Collins ('75, psychology; '77, clinical psychology), Ph.D., serves as Director of the Centers for Disease Control and Prevention's National Center for Chronic Disease Prevention and Health Promotion. Managing one of the largest National Centers at CDC, she oversees an annual $1 billion budget and 1,000 employees dedicated to promoting well-being, preventing chronic disease, and achieving health equity.
2008: David Warner
2008: David Warner, M.D., Ph.D. ('86, physical science), has gained international recognition for pioneering new methods of physiologically based, human-computer interaction. He is CIO and Director of Medical Intelligence for MindTel LLC, which solves leading-edge problems in communication, health care, education, and recreation. He also directs the Institute for Interventional Informatics (I3), an organization dedicated to the intelligent implementation of interactive information technologies in health care and education.
2007: Andre Creese
2007: Andre Creese, MD, FACEP ('90, psychology), is a nationally recognized leader in emergency medical treatment and care. As Medical Director and Chief of the Emergency Department of Florence, South Carolina's McLeod Regional Medical Center, he has helped pioneer cost effective procedures, now widely implemented, that drastically reduce the number of patient deaths due to errors and inadequate care.
2006: Tim Day
2006: Tim Day ('85, '87, physics), Ph.D., is board chairman, CEO and chief technology officer of Daylight Solutions Inc., a company focused on medical diagnostics and homeland security applications of mid infrared lasers. He is an award-winning and widely published innovator in the areas of science, technology and industry. Instrumental in introducing tunable lasers into the telecommunications market, Day is a leader in a field that translates the latest discoveries in physics into new and powerful technologies. .


Dystonic reactions are reversible extrapyramidal effects that can occur after administration of a neuroleptic drug. Symptoms may begin immediately or can be delayed hours to days. Although a wide variety of medications can elicit symptoms, the typical antipsychotics are most often responsible.
Dystonic reactions (ie, dyskinesias) are characterized by intermittent spasmodic or sustained involuntary contractions of muscles in the face, neck, trunk, pelvis, extremities, and even the larynx. [1, 2] Although dystonic reactions are rarely life threatening, the adverse effects often cause distress for patients and families.
Medical treatment is usually effective to abate acute symptoms. With treatment, motor disturbances resolve within minutes, but they can reoccur over subsequent days.
Older individuals may carry less risk for the development of dystonia because of diminished numbers of D2 receptors with aging.  Agents that balance dopamine blockade with muscarinic M1 receptor blockade, like atypical antipsychotics, are less likely to elicit dystonic reactions. Paradoxically, dystonic reactions may be increased through nigrostriatal dopaminergic activity that occurs as a compensatory response to dopamine receptor blockade.
The incidence of acute dystonic reactions varies according to individual susceptibility, drug identity, dose, and duration of therapy. The actual incidence of dystonic reactions is unknown, owing to misdiagnosis and underreporting.
In rare instances, as with laryngeal involvement, airway management may be necessary. Dystonic reactions are typically not life threatening and result in no long-term effects.
Fahn S. The varied clinical expressions of dystonia. Neurol Clin. 1984 Aug. 2(3):541-54. [Medline].
Christodoulou C, Kalaitzi C. Antipsychotic drug-induced acute laryngeal dystonia: two case reports and a mini review. J Psychopharmacol. May 2005. 19:307-11. [Medline].
Marsden CD, Jenner P. The pathophysiology of extrapyramidal side-effects of neuroleptic drugs. Psychol Med. 1980 Feb. 10(1):55-72. [Medline].
Volkow N, Ruben C, Wang G-J, Fowler J, Moberg P, Ding Y-S, et al. Association between decline in brain dopamine activity with age and cognitive and motor impairment in healthy individuals. Am J Psychiatry. March 1998. 155:344-9. [Medline].
Derinoz O, Caglar AA. Drug-induced movement disorders in children at paediatric emergency department: 'dystonia'. Emerg Med J. 2012 Mar 7. [Medline].
Incecik F, Hergüner MO, Ozcan K, Altunbasak S. Albendazole-induced dystonic reaction: a case report. Turk J Pediatr. 2011 Nov-Dec. 53(6):709-10. [Medline].
Hawthorne JM, Caley CF. Extrapyramidal Reactions Associated with Serotonergic Antidepressants. Ann Pharmacother. 2015 Oct. 49 (10):1136-52. [Medline].
Zakariaei Z, Taslimi S, Tabatabaiefar MA, Arghand Dargahi M. Bilateral dislocation of temporomandibular joint induced by haloperidol following suicide attempt: a case report. Acta Med Iran. 2012. 50(3):213-5. [Medline].
Digby G, Jalini S, Taylor S. Medication-induced acute dystonic reaction: the challenge of diagnosing movement disorders in the intensive care unit. BMJ Case Rep. 2015 Sep 21. 2015:[Medline].
Elliott ES, Marken PA, Ruehter VL. Clozapine-associated extrapyramidal reaction. Ann Pharmacother. 2000 May. 34(5):615-8. [Medline].
Jhee SS, Zarotsky V, Mohaupt SM, et al. Delayed onset of oculogyric crisis and torticollis with intramuscular haloperidol. Ann Pharmacother. 2003 Oct. 37(10):1434-7. [Medline].
Roberge RJ. Antiemetic-related dystonic reaction unmasked by removal of a scopolamine transdermal patch. J Emerg Med. 2006 Apr. 30(3):299-302. [Medline].
Schumock GT, Martinez E. Acute oculogyric crisis after administration of prochlorperazine. South Med J. 1991 Mar. 84(3):407-8. [Medline].
Demetropoulos S, Schauben JL. Acute dystonic reactions from "street Valium". J Emerg Med. 1987 Jul-Aug. 5(4):293-7. [Medline].
Fines RE, Brady WJ, DeBehnke DJ. Cocaine-associated dystonic reaction. Am J Emerg Med. 1997 Sep. 15(5):513-5. [Medline].
Kumor K. Cocaine withdrawal dystonia. Neurology. 1990 May. 40(5):863-4. [Medline].
Tekin U, Soyata AZ, Oflaz S. Acute focal dystonic reaction after acute methylphenidate treatment in an adolescent patient. J Clin Psychopharmacol. 2015 Apr. 35 (2):209-11. [Medline].
Bansal S, Gill M, Bhasin C. Carbamazepine-induced dystonia in an adolescent. Indian J Pharmacol. 2016 May-Jun. 48 (3):329-30. [Medline].
Barach E, Dubin LM, Tomlanovich MC, Kottamasu S. Dystonia presenting as upper airway obstruction. J Emerg Med. 1989 May-Jun. 7(3):237-40. [Medline].
Piecuch S, Thomas U, Shah BR. Acute dystonic reactions that fail to respond to diphenhydramine: think of PCP. J Emerg Med. 1999 May-Jun. 17(3):527. [Medline].
Juurlink D. Antipsychotics. In: Hoffman RS, Howland MA, Lewin NA, Nelson LS, Goldfrank LR, eds. Goldfrank's Toxicologic Emergencies. 10th ed. New York: McGraw-Hill Education; 2015.


Back-to-back contests against top 10 teams is a daunting task for any football team, but the Angelo State Rams believe they have a legitimate chance of earning a split this week if they limit mistakes.
After falling 41-27 last week against now-No. 5 Midwestern State, the Rams travel to Commerce to face No. 10 Texas A&M-Commerce, the defending Lone Star Conference champion.
Due to inclement weather conditions expected Saturday, kickoff was moved up three hours to 1 p.m. at Memorial Stadium.
Commerce is 5-1 overall and 3-1 in the LSC. ASU is 3-3, 1-3.
After a competitive first half at home last week against MSU, the only team to beat Commerce, the Rams killed their chances of pulling off an upset with critical errors -- two lost fumbles and two interceptions.
Despite having a 535 to 388 advantage in total yards, the Rams couldn't overcome their problems.
"It's frustrating as a coach, and our players are frustrated as well, but they're going to keep going to work and that's the No. 1 thing," ASU offensive coordinator Drew Dallas said.
"They know we're successful and we've got a good scheme and the talent to do it. It's just eliminating little things, mental mistakes. We had some mistakes on first down that cost us some drives, a couple of dropped balls, and just kind of stalling out in the red zone and not finishing with touchdowns and settling for field goals and some of those things. We've got to continue to clean those things up and get better at it and finish those drives and not make the mental mistakes that hurt us in the long run."
Defensive coordinator Jeff Girsch concurred.
"We feel good about what we're doing on both sides of the football and we feel good about what we're doing on special teams," Girsch said. "(Turnovers seem) to come and bite you at the wrong time. We were playing the No. 6 team in the country and you can't do that."
Despite being 1-3 in conference with four more games to go, the coaches say the ASU players are resilient and remain upbeat.
"Our kids do believe in what we're doing and that's the exciting part of it," Girsch said. "You can see it in the kids' eyes. They understand that we let one get away (last week) and we let one get away against Tarleton.
"Those are the types of things that these young kids have got to keep learning from and developing from, and hopefully they'll do that."
The Rams can't do what they did last year, committing six turnovers that led to four touchdowns in a 62-14 loss against Commerce at home.
Sophomore defensive lineman Bright Ihegworo was a defensive standout for the Rams last week. He tied Grant Aschenbeck with a team-high 11 tackles. Ihegworo also had two tackles for loss and a sack.
"Bright's a tough dude and he's an unbelievable football player and even a better person," Girsch said. "The kid is such a worker. He's been battling different things here and there with soreness and that kind of stuff.
"But the kid, he just fights. When he's ready to go and he's healthy and doing things, he's a special player and I'm very proud of that young man."
Defensive end Markus Jones had three quarterback hurries, his third blocked kick of the year and eight tackles.
Offensively, freshman running back Tyrese Nathan was the standout for the Rams against MSU with a career-high 138 yards rushing on 18 carries (7.7 average).
"Tyrese did a great job as a true freshman," Dallas said. "Playing in this conference is a tough challenge and Tyrese stepped up to it. (Leading rusher) Josh Stevens was a little banged up. He had an injury in practice late in the week. He's fully ready to go.
"He didn't have what Tyrese was bringing throughout the course of the game, so we kind of went with the hot hand there in the second half and Tyrese rose to the occasion."
Sophomore quarterback Charlie Rotherham got the start again for ASU last, completing 41 of 62 passes for 379 yards, two TDs and two picks.
"The reps he's getting right now are invaluable," Dallas said of Rotherham. "He's still a young guy. It's his first season really contributing in college football and he's getting better every game -- the decision-making process, playing with the speed of the game."
Special-teams wise, Connor Flannigan's 52-yard field goal in the second quarter was another highlight in the loss.
After making the third-longest field goal in ASU history, Flannigan was named the LSC Special Teams Player of the Week. He had two field goals in the game.
The Rams offensive guru talked about the luxury of having an accurate kicker with a strong leg.
"It's great to know that if we do stall out down there, we're still going to have a great shot to put points on the board," Dallas said. "Connor's done a great job filling that role, and he continues to get better every week."
The Rams know they face a big challenge again on Saturday against the powerhouse Lions, but they also aren't about to conceded defeat against anyone.
"I think our kids are excited for the game," Girsch said. "They know we've let a couple slip away. Commerce is a great football team. They do a lot of great things and they have skill kids all over the place in the backfield.
"The quarterback (Luis Perez) is a returning Player of the Year in our conference. But we're going into it with the mind-set that we can win the football game, and we can. Our kids match up well and we feel about as confident as we can going into it."
Perez is enjoying another brilliant season, going 153 of 209 (73.2 percent) for 22 TDs and six interceptions.
Of note: Kickoff was moved up three hours due to expected inclement weather.


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Balwa Gujran is a village in Shamli district in the Indian state of Uttar Pradesh about 85 km from Delhi. Its nearest town is Shamli, about 3 km in distance.

Overview
Balwa Gujran is located on the Shamli–Saharanpur SH-57 highway. It is around 85 km from Delhi, 36 km from Panipat, and 65 km from both Meerut and Saharanpur. The nearest town is Shamli at a distance of 3 km. Balwa Gujran comes in Shamli Block and under Shamli Tahshil. Modern facilities for the education conscious community include a girls' junior high school and other government and private schools. Transportation is made available through RCC roads, a railway station, and bus service.

History
Balwa Gujran was founded by the Ranas (Chauhan Gurjars) of Ranthambore and still dominated by Rana Gurjars. Balwah village of Chauhan Gurjars still exists in Ranthambore region. Balwa Gujran is a part of Kalsana Khap of Chauhan Gurjars. Khap has more than 84 villages in District Shamli.

Geography
Balwa Gujran is located at . It has an average elevation of .

Demographics
Provisional data from the 2011 census shows that Balwa Gujran has a population of 10,500. The sex ratio is about 850.

References

Villages in Shamli district

redpajama_set_name: RedPajamaWikipedia


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Population	4.1 million
GDP	14,853 US$
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major macro economic indicators
2020 (e)
2021 (f)
GDP growth (%) 2.8 2.9 -9.5 5.2
Inflation (yearly average, %) 1.6 0.8 0.1 1.1
Budget balance (% GDP) 0.2 0.4 -7.0 -3.1
Current account balance (% GDP) 2.4 3.1 -2.3 -0.5
Public debt (% GDP) 74.3 72.8 86.4 82.9
(e): Estimate (f): Forecast
35% of electricity from renewable sources, 40% imported
Long coastline
Oil and gas potential
The country joined ERM II in 2020
Support from EU funds
High-quality infrastructure
Dependence on tourism (25% of GDP), which has strongly suffered from the pandemic
Private and public debt still high
Institutional gaps: inefficient administration, health and justice, overlapping administrative levels, corruption
Time-consuming and inefficient business insolvency procedure
Low industrial diversification / lack of competitiveness
High youth unemployment (24% in September 2020), low participation of women
Emigration is taking away skilled labour, population is declining
Recovery lies ahead, but 2021 will not offset the pandemic's impact
The Croatian economy will rebound in 2021 after a significant contraction recorded in 2020. Nevertheless, it is still strongly dependent on the tourism sector (25% of GDP), which is not likely to fully recover in 2021. Last year, Croatia had already suffered from a much lower inflow of visitors because of contracted demand for tourism services and restrictions in international travel. Despite the lifting of restrictions and a higher number of tourists in the summer months, the total number of tourist arrivals decreased by 63.4% in January-September 2020 compared with the same period of the previous year. Foreign tourists accounted for 82% of all tourist arrivals, so it was hard to compensate those effects on the back of domestic travellers. Still low demand for tourist services this year compared to a pre-pandemic period entails negative consequences for not only the sector's employees but also for other sectors that cooperate with it, including agri-food, transport and retail. Once the measures implemented to support the labour market (to the equivalent of about 3% of GDP) will fade out, households are likely to suffer from higher unemployment rates, especially among the young population that represents a bulk of the seasonal workforce. Furthermore, wage growth is expected to be modest in 2021. Growth of investments, which was already impacted by COVID-19, will recover sluggishly. This applies to both domestic and foreign investments, while public ones are set to increase thanks to infrastructure projects co-financed by the EU. Moreover, the World Bank facilitated a USD 200 million loan, and the EU dedicated EUR 684 million from its Solidarity Fund aimed at rebuilding Zagreb's infrastructure after the March 2020 earthquake.
Public finances go in deficit
After recording budget surpluses in 2017-2019, Croatia's public finances deteriorated significantly in 2020 due to the impact of pandemic, with a strong economic contraction, lower proceeds from tourism (affecting VAT revenues) and measures aimed at protecting employment and businesses. The support measures included wage subsidies, tax deferrals or tax exemptions, access to financing and the establishment of a short-time work scheme, totalling about 9% of GDP. In 2021, tax revenues are expected to increase thanks to recovering household consumption, and will be driven by VAT proceedings as well as rebounding social contributions. Moreover, revenues will be boosted by the usage of EU funds. Simultaneously, public debt should decrease after the surge recorded in 2020, which was largely due to a sizeable drop in GDP.
In 2020, the current account balance, which had been in a surplus exceeding 2% of GDP in the last six years, was affected by a drop in services exports and a trade deficit in goods, leading it into a negative balance. Rebounding exports will result in the improvement of the current account balance, but growing imports and the slow recovery of tourism will maintain it in deficit in 2021.
Political stabilization and strained relations with neighbours
The Croatian Democratic Union (HDZ) won the July 2020 parliamentary election. It formed a government coalition with two liberal parties, namely the Croatian People's Party (HNS) and the Reformists, and with the support of eight ethnic minority members of parliament. The coalition has a majority by only one seat in the 151-seat Hrvatski Sabor (parliament). Before that, in the latest presidential election of January 2020, former prime minister and centre-left candidate Zoran Milanovic defeated the conservative incumbent Kolinda Grabar-Kitarovic, by winning 52.7% of the vote. The opposition Social Democratic Party (SDP) backed Mr Milanovic. At the international level, relations are strained with Bosnia and Herzegovina due to a number of political and geostrategic issues, such as the Peljesac bridge. Work on the latter, which will span Bosnia's maritime access in order to provide a road connection between the north and south of the Croatian coastline, is continuing with the objective to deliver in 2022. Nevertheless, economic ties between the two nations remain strong with high trade volumes, as Croatia is the second-largest foreign investor in Bosnia and Herzegovina.

redpajama_set_name: RedPajamaCommonCrawl


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Fresh results from Myanmar's election on Tuesday showed the opposition taking control of most regional assemblies as well as forming the next government, handing democracy champion Aung San Suu Kyi sweeping powers and reshaping the political landscape.
The ruling party, which was created by the country's former junta and is led by retired military officers, on Monday conceded defeat in an election that was a major milestone on Myanmar's rocky path from dictatorship to democracy.
But results dribbled out by the election commission have shown that their Union Solidarity and Development Party (USDP) was not just beaten in the polls, it was trounced.
Suu Kyi's National League for Democracy (NLD) said its own tally of results posted at polling stations around the country showed it was on track to take more than two-thirds of seats in the lower house of parliament, enough to form Myanmar's first democratically elected government since the early 1960s.
The election commission said the NLD won 49 of the 54 seats declared so far for the 440-strong lower house, where - under the constitution drawn up by the former junta - a quarter of the seats are unelected and reserved for the military.
Official results also showed that Sunday's election had handed the NLD a landslide win in the battle for regional assemblies, with Suu Kyi's party winning 97 of the 107 seats declared so far for local legislatures and the USDP just three.
"The difference between the parties is huge. It's a clear win," said Sitida, a 37-year-old Buddhist monk in the central city of Mandalay who marched in the country's 2007 "Saffron Revolution" protests that were bloodily crushed by the junta.
In addition to its guaranteed bloc of parliament's seats, the commander-in-chief nominates the heads of three powerful and big-budget ministries - interior, defence and border security - and the constitution also gives him the right to take over the government under certain circumstances.
Although the military has said it will accept the outcome of the election, analysts say a period of uncertainty still looms for the former Burma because it is not clear how Suu Kyi will share power easily with the generals.
Sunday's vote was Myanmar's first general election since its long-ruling military ceded power to President Thein Sein's quasi-civilian government in 2011, ushering in a period of reform and opening up to foreign investment.
It is also a moment that Suu Kyi will relish after spending years under house arrest following a 1990 election, when her NLD won a landslide victory that was ignored by the junta.
Suu Kyi is barred by the constitution from taking the presidency herself, though has said she will be the real power behind the new president, regardless of a charter she has derided as "very silly".
Washington on Monday welcomed the election as a victory for Myanmar's people but said it would watch for the democratic process to move forward before making any adjustments to U.S. sanctions on a country long considered a pariah.
For the United States and the international community to provide the kind of support Myanmar needed, Russel said, the transition from the current government to the future administration "is going to have to be credible".


text:
Patent application title: ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE DEVICE MODULE
Inventors: Tomonori Kako (Kyoto-Shi, JP) Tomonori Kako (Kyoto-Shi, JP) Takeshi Sasaki (Kyoto-Shi, JP) Takeshi Sasaki (Kyoto-Shi, JP)
IPC8 Class: AH01M1004FI
USPC Class: 429 94
Class name: Chemistry: electrical current producing apparatus, product, and process plural concentric or single coiled electrode
An electric storage device includes an electrode assembly including a winding core and electrodes, and a case. The case and the winding core each have a rigidity satisfying 0.01≦P2/P1≦100, where P2/P1 is a ratio of a first pressure P1 applied to a first part as a specific part of the case by an indenter when the first part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrode assembly is not housed in the case, and a second pressure P2 applied to a second part as a part of the winding core facing the first part by the indenter when the second part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrodes are not wound.
1. An electric storage device comprising: an electrode assembly including a winding core and electrodes wound around a circumference of the winding core; and a case including a circumferential wall, the case housing the electrode assembly therein in a state where the electrodes are closely stacked between the circumferential wall and the winding core, wherein the case and the winding core each have a rigidity satisfying 0.01.ltoreq.P2/P.sub.3.ltoreq.100, where P2/P1 is a ratio of a first pressure P1 applied to a first part as a specific part of the case by an indenter when the first part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrode assembly is not housed in the case, and a second pressure P2 applied to a second part as a part of the winding core facing the first part by the indenter when the second part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrodes are not wound.
2. The electric storage device according to claim 1, wherein the first pressure P1 and the second pressure P2 are each at least 1 kgf/cm.sup.2.
3. The electric storage device according to claim 1, wherein the first pressure P1 and the second pressure P2 are each not more than 100 kgf/cm.sup.2.
4. The electric storage device according to claim 1, wherein the ratio P2/P1 of the first pressure P1 and the second pressure P2 satisfies 0.1.ltoreq.P2/P.sub.1.ltoreq.10.
5. The electric storage device according to claim 1, wherein the ratio P2/P1 of the first pressure P1 and the second pressure P2 is 1.
6. The electric storage device according to claim 1, wherein the case comprises: a rectangular bottom wall; a pair of long walls erected from positions along long sides of circumferential edges of the bottom wall; and a pair of short walls erected from positions along short sides of circumferential edges of the bottom wall, the pair of short walls connecting ends of the pair of long walls that face each other.
7. The electric storage device according to claim 6, wherein the winding core comprises flat parts, the case houses the electrode assembly to have the flat parts of the winding core and the long walls being substantially in parallel, and the electrodes are sandwiched between the long walls of the case and the flat parts of the winding core.
8. An electric storage device module comprising: the electric storage device according to claim 1; and a bus bar member electrically connected to the electric storage device.
[0001] This application claims the benefit of Japanese Patent Application Nos. 2013-237221 and 2014-191185, filed on Nov. 15, 2013 and Sep. 19, 2014, respectively, which are incorporated herein by reference.
[0002] The present invention relates to an electric storage device capable of being charged and discharged, and an electric storage device module including the electric storage device.
[0003] Conventionally, an electric storage device capable of being charged and discharged, which includes an electrode assembly and a case to house the electrode assembly, such as a secondary battery cell, is known. Examples of the electric storage device of this type include an electric storage device which includes an electrode assembly 100 including a winding core 101 and electrodes 102 wound around the circumference of the winding core 101, as shown in FIG. 12 (also see JP H6-203870 A). In such an electric storage device, expansion and contraction of the electrodes 102 are repeated as the charge-discharge cycle is repeated. Therefore, the electric storage device may possibly undergo deterioration of properties in relation to the charge and discharge, such as a capacity retention rate, due to deformation or the like of the electrodes 102 caused by the expansion and contraction.
[0004] The following presents a simplified summary of the invention disclosed herein in order to provide a basic understanding of some aspects of the invention. This summary is not an extensive overview of the invention. It is intended to neither identify key or critical elements of the invention nor delineate the scope of the invention. Its sole purpose is to present some concepts of the invention in a simplified form as a prelude to the more detailed description that is presented later.
[0005] It is an object of the present invention to provide an electric storage device and an electric storage device module capable of suppressing the deterioration of properties in relation to charge and discharge during repetition of the charge-discharge cycle.
[0006] According to an aspect of the present invention, an electric storage device includes: an electrode assembly including a winding core and electrodes wound around a circumference of the winding core; and a case including a circumferential wall, the case housing the electrode assembly therein in a state where the electrodes are closely stacked between the circumferential wall and the winding core, wherein the case and the winding core each have a rigidity satisfying 0.01≦P2/P1≦100, where P2/P1 is a ratio of a first pressure P1 applied to a first part as a specific part of the case by an indenter when the first part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrode assembly is not housed in the case, and a second pressure P2 applied to a second part as a part of the winding core facing the first part by the indenter when the second part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrodes are not wound.
[0007] The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
[0008] The foregoing and other features of the present invention will become apparent from the following description and drawings of an illustrative embodiment of the invention in which:
[0009] FIG. 1 is a perspective view of a non-aqueous electrolyte secondary battery cell according to this embodiment;
[0010] FIG. 2 is a sectional view at the position in FIG. 1;
[0011] FIG. 3 is an enlarged sectional view at the position in FIG. 1;
[0012] FIG. 4 is a view explaining how to determine a first pressure;
[0013] FIG. 5 is a view explaining how to determine a second pressure;
[0014] FIG. 6 is a schematic perspective view of an electric storage device module;
[0015] FIG. 7 is a perspective view showing a one-fourth model of a symmetry constrained case;
[0016] FIG. 8 is an analysis view showing displacement in each part of the case when the model of the case is pressed by a one-fourth model of a circular indenter;
[0017] FIG. 9 is a perspective view showing a one-fourth model of a symmetry constrained winding core;
[0018] FIG. 10 is an analysis view showing displacement in each part of the winding core when the model of the winding core is pressed by the one-fourth model of the circular indenter;
[0019] FIG. 11 is a graph showing the results of a charge cycle test; and
[0020] FIG. 12 is a perspective view of an electrode assembly of a conventional secondary battery cell.
DESCRIPTION OF EMBODIMENTS
[0021] As a result of diligent studies to overcome the aforementioned problem, the inventors of the present embodiment have found that the degree of deformation, or the like, caused by repetition of a charge-discharge cycle (that is, repetition of expansion and contraction of wound electrodes) in an electric storage device changes depending on the balance between the force with which a case presses the electrodes and the force with which a winding core presses the electrodes when the electrodes expand and contract. Based on this finding, the inventors have devised an electric storage device and an electric storage device module with the following configurations, focusing on the balance between the force with which the case presses the electrodes and the force with which the winding core presses the electrodes.
[0022] The electric storage device according to this embodiment includes: an electrode assembly including a winding core and electrodes wound around a circumference of the winding core; and a case including a circumferential wall, the case housing the electrode assembly therein in a state where the electrodes are closely stacked between the circumferential wall and the winding core, wherein the case and the winding core each have a rigidity satisfying 0.01≦P2/P1≦100, where P2/P1 is a ratio of a first pressure P1 applied to a first part as a specific part of the case by an indenter when the first part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrode assembly is not housed in the case, and a second pressure P2 applied to a second part as a part of the winding core facing the first part by the indenter when the second part is pressed by the indenter so as to be displaced 1 mm from the initial position in a state where the electrodes are not wound.
[0023] According to such a configuration, the electrodes are sandwiched by the case and the winding core from the inside and outside with an appropriate force in a balanced manner, when the electrodes expand and contract due to the charge-discharge cycle. Therefore, distortion, deformation, or the like, of the wound electrodes caused by the expansion and contraction due to charge and discharge is suppressed, thereby allowing deterioration of properties in relation to charge and discharge (such as a capacity retention rate) during repetition of the charge-discharge cycle to be suppressed.
[0024] In this case, it is preferable that the first pressure P1 and the second pressure P2 be each at least 1 kgf/cm2.
[0025] If the first pressure P1 and the second pressure P2 are each lower than 1 kgf/cm2, the case and the winding core that have been deformed due to the expansion and contraction of the electrodes are less likely to return to the original shapes, and thus gaps tend to occur between the wound electrodes. However, according to the aforementioned configuration, the case and the winding core deformed as described above can be prevented from being less likely to return to the original shapes.
[0026] Further, the first pressure P1 and the second pressure P2 each may be not more than 100 kgf/cm2.
[0027] If the first pressure P1 and the second pressure P2 are each higher than 100 kgf/cm2, the case and the winding core cannot be sufficiently deformed when the electrodes expand, which may result in damage, or the like, of the electrodes due to a high pressure being applied to the electrodes themselves. However, according to the aforementioned configuration, the damage, or the like, can be prevented by sufficient deformation of the case and the winding core during the expansion of the electrodes.
[0028] Further, it is preferable that the ratio P2/P1 of the first pressure P1 and the second pressure P2 satisfy 0.1≦P2/P1≦10.
[0029] According to such a configuration, when the electrodes expand and contract due to the charge-discharge cycle, the electrodes are sandwiched by the case and the winding core from the inside and outside with an appropriate force in a balanced manner. This can more effectively suppress the deterioration of properties in relation to charge and discharge (such as a capacity retention rate) during repetition of the charge-discharge cycle.
[0030] Further, it is more preferable that the ratio P2/P1 of the first pressure P1 and the second pressure P2 be 1.
[0031] According to such a configuration, the deterioration of properties in relation to charge and discharge (such as a capacity retention rate) during repetition of the charge-discharge cycle can be most suppressed.
[0032] The electric storage device may have a configuration in which the case includes: a rectangular bottom wall; a pair of long walls erected from positions along long sides of circumferential edges of the bottom wall; and a pair of short walls erected from positions along short sides of circumferential edges of the bottom wall, the pair of short walls connecting ends of the pair of long walls that face each other.
[0033] In this case, the configuration may be such that the winding core includes flat parts, the case houses the electrode assembly to have the flat parts of the winding core and the long walls being substantially in parallel, and the electrodes are sandwiched between the long walls of the case and the flat parts of the winding core.
[0034] The electric storage device module according to an aspect of this embodiment includes: the aforementioned electric storage device; and a bus bar member electrically connected to the electric storage device.
[0035] According to such a configuration, in the electric storage device constituting the electric storage device module, the electrodes are sandwiched by the case and the winding core from the inside and outside with an appropriate force in a balanced manner, when the electrodes expand and contract due to the charge-discharge cycle. Therefore, distortion, deformation, or the like, of the wound electrodes caused by the expansion and contraction due to charge and discharge is suppressed, thereby allowing deterioration of properties in relation to charge and discharge (such as a capacity retention rate) during repetition of the charge-discharge cycle to be suppressed, in the electric storage device constituting the electric storage device module. As a result, deterioration of properties in relation to charge and discharge is suppressed also in the electric storage device module.
[0036] As can be seen from the above, the present embodiment can provide an electric storage device and an electric storage device module which are capable of suppressing the deterioration of properties in relation to charge and discharge during repetition of the charge-discharge cycle.
[0037] Hereinafter, an embodiment of the present invention is described with reference to FIG. 1 to FIG. 5. The electric storage device according to this embodiment is a non-aqueous electrolyte secondary battery cell (which hereinafter is referred to simply as "battery cell") such as a lithium ion secondary battery cell.
[0038] Specifically, a battery cell 10 includes a case 20, an electrode assembly 12, a pair of current collectors 14, and a pair of terminal parts 16, as shown in FIG. 1 to FIG. 3.
[0039] The case 20 has a case body 22 and a cover plate 24. The case 20 houses the electrode assembly 12, the pair of current collectors 14, an electrolyte, etc., within an internal space S surrounded by the case body 22 and the cover plate 24. The case body 22 and the cover plate 24, for example, are made of aluminum or an aluminum-based metal material such as aluminum alloy. The ends of the case body 22 and the cover plate 24 are welded together, thereby forming the case 20.
[0040] It should be noted that the materials of the case body 22 and the cover plate 24 are not limited to aluminum-based metals. The case body 22 and the cover plate 24 may be made of metal materials such as SUS and nickel, or composite materials obtained by bonding a resin such as nylon to aluminum, for example.
[0041] The case body 22 has a flattened bottomed rectangular cylindrical shape. Specifically, the case body 22 has a bottom wall 220, and circumferential walls 221 erected in the normal direction of the bottom wall 220 from the circumferential edges of the bottom well 220 into a rectangular cylindrical shape. The bottom wall 220 has a rectangular shape elongated in one direction and having four arcuate corners, as seen in the normal direction of the bottom wall 220. The circumferential walls 221 include a pair of long walls 222 erected from the positions along the long sides of the circumferential edges of the bottom wall 220, and a pair of short walls 223 erected from the positions along the short sides of the circumferential edges of the bottom wall 220. In the following description, the long side direction of the bottom wall 220 is referred to as the X-axis direction, the short side direction of the bottom wall 220 is referred to as the Y-axis direction, and the normal direction of the bottom wall 220 is referred to as the Z-axis direction (see FIG. 1).
[0042] The case body 22 is formed to have the balance of strength (rigidity) between the case 20 and a winding core 120 of the electrode assembly 12 falling within a specific range. The balance of strength will be described in detail below.
[0043] The cover plate 24 is placed over the circumferential edges of an opening of the case body 22 so as to seal the opening of the case body 22. The cover plate 24 has a shape corresponding to the outer circumferential edges (contour) of the case body 22 in plan view. That is, the cover plate 24 is a rectangular plate member elongated in the X-axis direction and having four arcuate corners in plan view.
[0044] Further, the cover plate 24 is provided with a pair of terminal through holes 240, a gas discharge valve 242, and an injection part 244 (see FIG. 2). The pair of terminal through holes 240 are provided at an interval in the X-axis direction in the cover plate 24. The gas discharge valve 242 has a thin part and a breakable groove, and is provided at the center of the cover plate 24. The gas discharge valve 242 discharges a gas inside the case 20 when the internal pressure (gas pressure) of the case 20 exceeds a specific value, by allowing the breakable groove to split and thereby allowing communication between the inside and the outside of the case 20. Thus, the gas discharge valve 242 reduces the increased internal pressure of the case 20. The injection part 244 has a liquid injection hole 245 provided in the cover plate 24, and a stopper 246 sealing the liquid injection hole 245. The liquid injection hole 245 is an opening through which an electrolyte liquid is injected into the case 20, and the stopper 246 closes the liquid injection hole 245 by being inserted into the liquid injection hole 245 after the liquid injection.
[0045] The dimensions of the case 20 including the case body 22 and the cover plate 24, for example, are as follows.
[0046] It is preferable that the width of the case body 22 (dimension in the X-axis direction in FIG. 1) be 80 to 200 mm, the depth of the case body 22 (dimension in the Y-axis direction in FIG. 1) be 6 to 30 mm, and the height of the case body 22 (dimension in the Z-axis direction in FIG. 1) be 60 to 150 mm. It is more preferable that the width of the case body 22 (dimension in the X-axis direction in FIG. 1) be 100 to 150 mm, the depth of the case body 22 (dimension in the Y-axis direction in FIG. 1) be 8 to 15 mm, and the height of the case body 22 (dimension in the Z-axis direction in FIG. 1) be 70 to 100 mm.
[0047] The thickness of each of the circumferential walls 221 and the bottom wall 220 of the case body 22 is preferably 0.2 to 1.2 mm, more preferably 0.3 to 0.7 mm. In the case where a hollow winding core with a thickness of 0.5 mm or less is used as the winding core 120, the thickness of each of the circumferential walls 221 and the bottom wall 220 of the case body 22 is preferably 0.2 to 0.5 mm. The thickness of the cover plate 24 is preferably 0.2 to 1.5 mm, more preferably 0.5 to 1.2 mm.
[0048] The electrode assembly 12 has the winding core 120 and electrodes 121 and 122 wound around the circumference of the winding core 120 (see FIG. 2 and FIG. 3).
[0049] The winding core 120 has a hollow elongated cylindrical shape such that its cross sections (specifically, contours of the cross sections) along the Y-axis direction and the Z-axis direction each have the same oblong shape at positions in the X-axis direction. The winding core 120, for example, is formed by winding a film or a plate that is made of a synthetic resin such as polypropylene, polyethylene, and polyphenylene sulfide, and bonding or welding it.
[0050] It should be noted that the material of the winding core 120 is not limited to the synthetic resin, and may be, for example, a metal such as aluminum and copper. Further, the winding core 120 does not necessarily have a hollow structure, and may have a solid structure. In this case, the winding core 120 is made of a soft material having a resistance to the electrolyte such as rubber.
[0051] The winding core 120 is formed to have the balance of strength (rigidity) between the winding core 120 and the case 20 falling within a specific range. In this embodiment, the case 20 and the winding core 120 are formed, using a pressure ratio of P1 and P2 (P2/P1) determined by the following method as a measure of the balance of strength (rigidity), to have this ratio falling within a specific range.
[0052] As shown in FIG. 4, the center (first part) C1 of one of the long walls 222 of the case 20 in which the electrode assembly 12 is not housed (that is, the case 20 the internal space of which is empty) is pressed in the Y-axis direction (in the normal direction of the long wall 222) by a circular indenter with a diameter of 10 mm (see the arrow in FIG. 4). The area of an abutting surface (pressure surface) of the indenter used herein against the object to be pressed is 0.785 cm2. The pressure applied to the center C1 by the indenter when the center C1 is displaced 1 mm from the initial position (the position of the center C1 when no pressure is applied thereto by the indenter) by being pressed by the indenter is referred to as a first pressure P1.
[0053] Further, as shown in FIG. 5, the center (second part) C2 of one of flat parts 120A (the parts other than the parts 120B located at both ends in the Z-axis direction, where the electrodes 121 and 122 are stacked in a bent state) of the winding core 120 around which the electrodes 121 and 122 are not wound is pressed in the Y-axis direction (in the normal direction of the flat part 120A of the winding core 120) by the indenter (see the arrow in FIG. 5). The pressure applied to the center C2 by the indenter when the center C2 is displaced 1 mm from the initial position (the position of the center C2 when no pressure is applied thereto by the indenter) by being pressed by the indenter is referred to as a second pressure P2. It should be noted that the center C2 of the winding core 120 is a part (position) facing the center C1 of the long wall 222 of the case 20 when the winding core 120 is housed in the case 20.
[0054] In this embodiment, the case 20 and the winding core 120 each have a rigidity such that a ratio P2/P1 of the first pressure P1 and the second pressure P2 thus obtained is 1. For example, the case 20 and the winding core 120 are each formed so as to satisfy the aforementioned condition (P2/P1=1) by adjusting the dimensions of each part, their materials, or the like. In this way, when the wound electrodes 121 and 122 expand and contract due to the charge-discharge cycle, the wound electrodes 121 and 122 are sandwiched by the case 20 (the long walls 222) and the winding core 120 (the flat parts 120A) from the inside and outside with an appropriate force in a balanced manner. Thus, deformation, or the like, of the wound electrodes 121 and 122 caused by repetition of the expansion and contraction, and separation of mixture layers of the electrodes 121 and 122, for example, are effectively suppressed.
[0055] Further, the case 20 and the winding core 120 of this embodiment have a rigidity such that the first pressure P1 and the second pressure P2 are each at least 1 kgf/cm2. This is because, if the case 20 and the winding core 120 have a rigidity such that the first pressure P1 and the second pressure P2 are each lower than 1 kgf/cm2, the case 20 and the winding core 120 that have been deformed due to the expansion and contraction of the electrodes 121 and 122 are less likely to return to the original shapes, as a result of which gaps tend to occur between the wound electrodes 121 and 122. That is, when the case 20 and the winding core 120 have a rigidity such that the first pressure P1 and the second pressure P2 are each at least 1 kgf/cm2, the case 20 and the winding core 120 that have been deformed due to the expansion and contraction of the electrodes 121 and 122 can be prevented from being less likely to return to the original shapes.
[0056] Further, the case 20 and the winding core 120 of this embodiment have a rigidity such that the first pressure P1 and the second pressure P2 are each not more than 100 kgf/cm2. This is because, if the case 20 and the winding core 120 have a rigidity such that the first pressure P1 and the second pressure P2 are each higher than 100 kgf/cm2, the case 20 and the winding core 120 cannot be sufficiently deformed when the electrodes 121 and 122 expand, which may possibly result in a damage (such as cracks occurring in the electrode foils or the active material layers) of the electrodes 121 and 122 due to a high pressure being applied to the electrodes 121 and 122 themselves when the electrodes 121 and 122 expand. That is, when the case 20 and the winding core 120 have a rigidity such that the first pressure P1 and the second pressure P2 are each not more than 100 kgf/cm2, the case 20 and the winding core 120 are deformed when the electrodes 121 and 122 expand, thereby allowing such a damage to be prevented.
[0057] The dimension of the winding core 120 in the Y-axis direction is preferably more than 1 mm. The reasons for this are as follows. If the dimension of the winding core 120 in the Y-axis direction is 1 mm or less, the flat parts 120A cannot be recessed during the expansion and contraction of the electrodes 121 and 122 to an extent that allows the expansion and contraction, as a result of which the electrodes 121 and 122 cannot be sandwiched by the case 20 (the long walls 222) and the winding core 120 (the flat parts 120A) from the inside and outside with an appropriate force in a balanced manner, when the wound electrodes 121 and 122 expand and contract due to the charge-discharge cycle. Therefore, the deformation, or the like, caused by repetition of the expansion and contraction of the electrodes 121 and 122 cannot be suppressed, and thus the deterioration of properties in relation to charge and discharge cannot be suppressed. Here, the dimension of the winding core 120 in the Y-axis direction is the thickness dimension in the Y-axis direction in the case of a solid structure, and it is the distance between the outer surfaces of the flat parts 120A in the Y-axis direction in the case of a hollow structure.
[0058] Further, in the case of a battery cell provided with an electrode assembly including no winding core (battery cell in which no winding core is arranged inside wound electrodes), there is no (or exceptionally small) escape space of the electrodes to the inside of the wound electrodes (winding center side) when the electrodes expand. Therefore, also in the case of the electrode assembly including no winding core, the wound electrodes 121 and 122 cannot be sandwiched from the inside and outside with an appropriate force in a balanced manner. Therefore, deformation, or the like, of the wound electrodes 121 and 122 caused by repetition of the expansion and contraction of the electrodes 121 and 122 cannot be suppressed.
[0059] The first pressure P1 applied to the case 20 of this embodiment and the second pressure P2 applied to the winding core 120 are each measured (calculated) by analysis using computer simulation. Specifically, the measurement is as follows.
[0060] In the measurement of the first pressure P1 applied to the case 20, a model to which the material, shape, and dimensions of the case 20 are input is first prepared. Next, the center (first part) C1 of the long wall 222 in the model of the case 20 is pressed in the. Y-axis direction (in the normal direction of the long wall 222) by a circular indenter with a diameter of 10 mm (see the arrow in FIG. 4). The area of an abutting surface (pressure surface) of the circular indenter used herein against the object to be pressed (in the example of this embodiment, the long wall 222 of the case 20) is 0.785 cm2. Then, the pressure applied to the center C1 by the circular indenter when the center C1 is displaced 1 mm from the initial position (position of the center C1 when no pressure is applied thereto by the circular indenter) by being pressed by the circular indenter is analyzed (calculated) using computer simulation. Thus, the first pressure P1 is obtained (measured). In the case of the case 20 having a symmetrical shape, analysis may be performed using a symmetry constrained model (analysis technique in which only a part on one side with respect to the symmetrical surface is analyzed) in the measurement of the first pressure P1.
[0061] In the measurement of the second pressure P2 applied to the winding core 120, a model in which the material, shape, and dimensions of the winding core 120 are input is first prepared. Next, the center (second part) C2 of the flat part 120A in the model of the winding core 120 is pressed in the Y-axis direction (in the normal direction of the flat part 120A of the winding core 120) by the circular indenter (see the arrow in FIG. 5). Then, the pressure applied to the center C2 by the circular indenter when the center C2 is displaced 1 mm from the initial position (position of the center C2 when no pressure is applied thereto by the circular indenter) by being pressed by the circular indenter is analyzed (calculated) using computer simulation. Thus, the second pressure P2 is obtained (measured). In the case of the winding core 120 having a symmetrical shape, analysis may be performed using a symmetry constrained model (analysis technique in which only a part on one side with respect to the symmetrical surface is analyzed) in the measurement of the second pressure P2.
[0062] The electrode assembly 12 of this embodiment has a strip-shaped positive electrode (electrode on the positive side) 121, a strip-shaped negative electrode (electrode on the negative side) 122, and a strip-shaped separator 124, which are wound around the circumference of the winding core 120. The positive electrode 121 and the negative electrode 122 shifted from each other in the width direction (in a direction orthogonal to the longitudinal direction of the strip-shaped electrodes 121 and 122: the X-axis direction in FIG. 2) are wound into an elongated cylindrical shape around the circumference of the winding core 120, with the separator 124 interposed therebetween (see FIG. 3). The electrodes 121 and 122 thus wound into the elongated cylindrical shape have an oblong cross section (the contour of the cross section) along the Y axis and Z axis.
[0063] The positive electrode 121, for example, is a strip-shaped aluminum foil on the surface of which a positive electrode active material is supported. The negative electrode 122, for example, is a strip-shaped copper foil on the surface of which a negative electrode active material is supported. The positive electrode 121 and the negative electrode 122 have portions to which no active materials are applied along their end edges in the width direction (X-axis direction). Thus, the aluminum foil and the copper foil to which no active materials are applied are exposed at the ends in the width direction of the electrode assembly 12 (X-axis direction). In this way, the electrode assembly 12 includes a projection on the positive electrode side (positive electrode of the electrode assembly) 126 formed by only the positive electrode 121 (portion to which the positive electrode active material is not applied) projecting at one end in the width direction (X-axis direction), and a projection on the negative electrode side (negative electrode of the electrode assembly) 126 formed by only the negative electrode 122 (portion to which the negative electrode active material is not applied) projecting at the other end in the width direction (X-axis direction).
[0064] The positive electrode active material preferably contains a composite oxide represented by LiaMebO.sub.c (where Me denotes one, or two or more transition metals) (such as LiaCoyO2, LiaNixO2, LiaMnzO4, and LiaNixCoyMnzO2). Further, it is preferable that Me at least contain all of Ni, Co, and Mn.
[0065] The negative electrode active material preferably contains a carbonate material such as graphite, non-graphitizable carbon, and graphitizable carbon, or a material that undergoes an alloying reaction with lithium ions such as silicon (Si) and tin (Sn). The negative electrode active material more preferably contains at least one of graphite, non-graphitizable carbon, and graphitizable carbon.
[0066] The thus configured electrode assembly 12 housed in an insulating member 30 is housed within the case 20 in a position such that the winding axis direction coincides with the longitudinal direction of the case 20 (X-axis direction), and the major axis direction coincides with the normal direction of the bottom wall 220 (Z-axis direction) (see FIG. 3). In the battery cell 10 of this embodiment, the electrodes 121 and 122 are pressed against the winding core 120 by the pair of long walls 222 of the case 20 facing each other, thereby allowing the electrodes 121 and 122 to be housed (arranged) within the case 20 so that the electrodes 121 and 122 that are adjacent (stacked) in the Y-axis direction are in tight contact with each other. That is, the electrode assembly 12 is housed within the case 20 with the electrodes 121 and 122 being closely stacked between the long walls 222 and the flat parts 120A of the winding core 120.
[0067] The current collectors 14 are arranged along the electrode assembly 12 within the case 20 so as to conduct the projections 126 of the electrode assembly 12 to the terminal parts 16. The battery cell 10 of this embodiment includes a positive electrode current collector 14 and a negative electrode current collector 14. The positive electrode current collector 14 conducts the projection 126 on the positive electrode side to the positive electrode terminal part 16. The negative electrode current collector 14 conducts the projection 126 on the negative electrode side to the negative electrode terminal part 16. In this embodiment, the positive electrode current collector 14, for example, is made of aluminum or aluminum alloy. Further, the negative electrode current collector 14, for example, is made of copper or copper alloy.
[0068] Each of the current collectors 14 has a terminal-side connection part 140 that is directly or indirectly connected to one of the terminal parts 16, and an electrode assembly-side connection part 141 that is directly or indirectly connected to one of the projections 126 of the electrode assembly 12. The current collector 14 is formed into a bent shape (substantially L-shape) at the boundary between the terminal-side connection part 140 and the electrode assembly-side connection part 141 so as to extend along the electrode assembly 12 in front view, by bending a plate metal material that has been cut into a specific shape.
[0069] The terminal part 16 is attached to the cover plate 24 so as to pass through one of the terminal through holes 240 of the cover plate 24. Specifically, the terminal part 16 has an external terminal 160, a rivet 161, and a conductive part 162. The external terminal 160 extends upward outside the case 20. The rivet 161 passes through the terminal through hole 240 of the cover plate 24 so as to fix the current collector 14 (the terminal-side connection part 140) and the conductive part 162 to the cover plate 24 in a conductive manner. The conductive part 162 connects the external terminal 160 to the current collector 14 via the rivet 161 in a conductive manner.
[0070] In the battery cell 10 configured as above, when the electrodes 121 and 122 expand and contract due to the charge-discharge cycle, the wound electrodes 121 and 122 are sandwiched by the case 20 (the long walls 222) and the winding core 120 (the flat parts 120A) from the inside and outside with an appropriate force in a balanced manner. Therefore, distortion, deformation, or the like, of the wound electrodes 121 and 122 caused by the expansion and contraction due to charge and discharge can be efficiently suppressed. As a result, the deterioration of properties in relation to charge and discharge (such as a capacity retention rate) during repetition of the charge-discharge cycle can be suppressed in the battery cell 10.
[0071] It is a matter of course that the electric storage device of the present invention is not limited to the above described embodiment, and various modifications can be made without departing from the gist of the present invention.
[0072] In the battery cell 10 of the aforementioned embodiment, the ratio P2/P1 of the first pressure P1 and the second pressure P2 is 1. However, there is no limitation to this configuration. When the ratio P2/P1 of the first pressure P1 and the second pressure P2 is 1, the deterioration of properties in relation to charge and discharge (such as a capacity retention rate) during repetition of the charge-discharge cycle is most suppressed. However, the case 20 and the winding core 120 only needs to be formed to have the ratio P2/P1 of the first pressure P1 and the second pressure P2 satisfying 0.01≦P2/P1≦100, more preferably 0.1≦P2/P1≦10. That is, it suffices that the case 20 and the winding core 120 have a rigidity such that the ratio P2/P1 of the first pressure P1 and the second pressure P2 satisfies 0.01≦P2/P1≦100 (more preferably, 0.1≦P2/P1≦10). According to such a configuration, when the electrodes 121 and 122 expand and contract due to the charge-discharge cycle, distortion, deformation, or the like, of the wound the electrodes 121 and 122 caused by the expansion and contraction due to the charge and discharge is suppressed. This allows the deterioration of properties in relation to charge and discharge during repetition of the charge-discharge cycle to be sufficiently suppressed.
[0073] Further, in the battery cell 10 of the aforementioned embodiment, the number of the electrode assembly 12 housed in the case 20 is one. However, two or more electrode assemblies may be housed therein.
[0074] Further, in the aforementioned embodiment, a rechargeable secondary battery cell (lithium ion secondary battery cell) has been described. However, the type and size (capacity) of the battery cell is arbitrarily selected. Further, a lithium ion secondary battery cell has been described in the aforementioned embodiment as an example of the electric storage device. However, there is no limitation to this. For example, the present invention can be applied also to electric storage devices of primary battery cells and capacitors such as an electric double layer capacitor in addition to various secondary battery cells.
[0075] Further, the electric storage device (battery cell) 10 of the aforementioned embodiment may be used for an electric storage device module 50 shown in FIG. 6. The electric storage device module 50 has at least two electric storage devices 10 and bus bar members 52 that electrically connect the two (different) electric storage devices 10 to each other. In this case, it suffices that the technique of the present invention is applied to at least one of the electric storage devices 10.
[0076] In order to confirm the advantageous effects of the battery cell according to the present invention, how the properties in relation to charge and discharge (capacity retention rate in this example) change in a charge-discharge cycle test was investigated herein, using battery cells (first to sixth battery cells) each including a case and a winding core with a different ratio P2/P1 of the first pressure P1 and the second pressure P2.
[0077] The first battery cell used herein was as follows.
[0078] A case body was made of aluminum alloy (A1085). The width of the case body (dimension in the X-axis direction in FIG. 1) was 120 mm, the depth thereof (dimension in the Y-axis direction in FIG. 1) was 12.5 mm, the height thereof (dimension in the Z-axis direction in FIG. 1) was 85 mm, and the thickness of each of the circumferential walls and the bottom wall thereof was 0.6 mm.
[0079] Aluminum alloy (A1085) was a member with an aluminum purity of 99% or more. Specific components of aluminum alloy (A1085) were: 0.10% or less of Si, 0.12% or less of Fe, 0.03% or less of Cu, 0.02% or less of Mn, 0.02% or less of Mg, 0.03% or less of Zn, 0.03% or less of Ga, 0.05% or less of V, 0.02% or less of Ti, and 99.85% or more of Al.
[0080] A cover plate was made of aluminum alloy (A1085), and the thickness of the cover plate was 0.6 mm.
[0081] A winding core was a hollow winding core in an oblong shape (with both ends in a semicircular shape) formed by winding a polyphenylene sulfide plate with a thickness of 1 mm and a width of 95 mm. The height of the winding core (dimension in the Z-axis direction in FIG. 5) was 65 mm, and the thickness thereof (depth: dimension in the Y-axis direction in FIG. 5) was 3 mm. Further, the thickness of the hollow portion of the winding core was 1 mm.
[0082] An electrode assembly was formed by winding a positive electrode and a negative electrode around the circumference of the winding core, with a polyethylene separator interposed therebetween to have the positive electrode and the negative electrode being isolated from each other. As a positive electrode active material of the positive electrode, LiNi1/3Co1/3Mn1/3O2 was used. As a negative electrode active material of the negative electrode, graphite was used. This electrode assembly was housed within the case body, and was electrically connected to terminal parts attached to the cover plate. Thus, the first battery cell was formed. The initial capacity of the first battery cell was 6 Ah.
[0083] A first pressure P1 applied to the case used for the first battery cell, and a second pressure P2 applied to the winding core used for the first battery cell were each measured by analysis, using computer simulation, of a model into which the aforementioned material, shape, and dimensions were input. At this time, the first pressure P1 applied to the case was analyzed in the state (condition) where a long wall facing a long wall to be pressed by a circular indenter was bound. Further, the second pressure P2 applied to the winding core was analyzed in the state (condition) where a flat part facing a flat part to be pressed by the circular indenter was bound.
[0084] Specifically, the first pressure P1 and the second pressure P2 were measured as follows.
[0085] The case used for the first battery cell of this example had a substantially rectangular parallelepiped shape with all of the circumferential walls, the bottom wall, and the cover plate having the same thickness. Therefore, the first pressure P1 was analyzed using a symmetry constrained one-fourth model as shown in FIG. 7. Since the case was such a symmetry constrained one-fourth model, a one-fourth model was used also as the circular indenter. The center of the case in this model pressed by the circular indenter was located inside a fan-shaped portion 60 with an internal angle of 90°, which is surrounded by a solid line in FIG. 7.
[0086] FIG. 8 shows an analysis view showing the state where the center of this model was displaced 1 mm from the initial position by being pressed by the circular indenter. As seen from FIG. 8, each part of the case was displaced from the initial position with the fan-shaped portion 60 at the center. With such a state, the pressure applied to the center by the circular indenter was analyzed. Thus, the first pressure P1 was measured.
[0087] The winding core used for the first battery cell of this example had an oblong shape (flat cylindrical shape) formed by winding a polyphenylene sulfide plate having a uniform thickness. Therefore, the second pressure P2 was analyzed using a symmetry constrained one-fourth model as shown in FIG. 9. Since the winding core was such a symmetry constrained one-fourth model, a one-fourth model was used also as the circular indenter. The center of the winding core in this model pressed by the circular indenter was located inside a fan-shaped portion 61 with an internal angle of 90°, which is surrounded by a solid line in FIG. 9.
[0088] FIG. 10 shows an analysis view showing the state where the center of this model was displaced 1 mm from the initial position by being pressed by the circular indenter. As seen from FIG. 10, each part of the winding core was displaced from the initial position with the fan-shaped portion 61 at the center. With such a state, the pressure applied to the center by the circular indenter was analyzed. Thus, the second pressure P2 was measured.
[0089] The first pressure P1 of the case used for the first battery cell as measured was 4.5 kgf/cm2. The second pressure P2 of the winding core used for the first battery cell as measured was 4.8 kgf/cm2. Accordingly, the ratio P2/P1 of the first pressure P1 and the second pressure P2 in the first battery cell was 0.94 (≈1).
[0090] The first battery cell configured as above was subjected to a continuous charge-discharge test, under an environment at an atmospheric (ambient) temperature of 5° C., with an SOC (State Of Charge) of 0 to 100% (2.75 to 4.2 V) at 1 C rate (current value at which the total capacity of the battery cell was charged and discharged over one hour). In this charge-discharge cycle test, only after a lapse of 250, 500, 1000, 1500 hours, charge and discharge were paused, and the capacity was measured. FIG. 11 shows the results as P2/P1=1.
[0091] Further, battery cells (second to sixth battery cells) with a ratio P2/P1 of the first pressure P1 and the second pressure P2 being respectively 0.001, 0.01, 0.1, 10, and 100 were prepared by adjusting the thickness of each of the case (the case body and the cover plate) and the winding core. Each battery cell was subjected to a continuous charge-discharge test, under a 5° C. environment, with an SOC of 0 to 100% (2.75 to 4.2 V) at 1 C rate, in the same manner as above. FIG. 11 shows the results.
[0092] From these results, it could be confirmed that, when the ratio P2/P1 of the first pressure P1 and the second pressure P2 satisfies 0.01≦P2/P1≦100, the deterioration rate in properties in relation to charge and discharge was reduced to about 10% at 1500 cycle times/h. Further, from these results, it could be also confirmed that, when the ratio P2/P1 of the first pressure P1 and the second pressure P2 is 1 (P2/P1=1), the deterioration of properties in relation to charge and discharge could be most suppressed.
[0093] The electric storage device and the electric storage device module of this embodiment are as described above. However, the present invention is not limited to the aforementioned embodiments, and the design can be appropriately modified within the scope intended by the present invention. The operational advantage of the present invention is also not limited to the foregoing embodiments.
[0094] That is, the embodiments disclosed herein should be construed in all respects as illustrative but not limiting. The scope of the present invention is not indicated by the foregoing description but by the scope of the claims. Further, the scope of the present invention is intended to include all the modifications equivalent in the sense and the scope to the scope of the claims.
Patent applications by Takeshi Sasaki, Kyoto-Shi JP
Patent applications by Tomonori Kako, Kyoto-Shi JP
Patent applications in class PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE
Patent applications in all subclasses PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE
2012-07-05 Storage module
2013-07-11 Electric tools
2014-08-28 Fuel cell module
2016-05-26 All-solid-state lithium-sulfur polymer electrochemical cells and production methods thereof
2016-05-26 Rechargeable battery
2016-05-19 Electrochemical device and method for manufacturing the same
2016-05-19 Lithium secondary battery
2016-05-05 Energy storage apparatus and method of manufacturing energy storage aparatus
2016-03-10 Energy storage apparatus
2015-11-26 Energy storage device
2015-09-24 Battery and method of manufacturing the same
Top Inventors for class "Chemistry: electrical current producing apparatus, product, and process"
1 Je Young Kim
2 Norio Takami
3 Hiroki Inagaki
4 Tadahiko Kubota
5 Yo-Han Kwon


text:
Tristram Hillier, född 11 april 1905 i Peking, död 18 januari 1983, var en engelsk målare. Han föddes i Kina där hans far arbetade för Hong Kong and Shanghai bank. Han arbetade en kort tid i finanssektorn innan han kom in på Slade School of Fine Art och samtidigt tog kvällskurser på Westminster School of Art, och studerade därefter vid Académie Colarossi i Paris. Han bosatte sig efter detta i södra Frankrike och reste mycket i Europa, i synnerhet i Spanien. Han var medlem i den brittiska modernistgruppen Unit One och hämtade influenser från surrealisterna i Paris och deras inspirationskälla Giorgio de Chirico. Hans målningar utmärkte sig med stor detaljskärpa, mjuka ytor, ovanliga perspektiv och omaka föremål ställda intill varandra. Han målade ofta i tempera. År 1954 kom hans självbiografi Leda and the goose.

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Externa länkar
 Bildgalleri hos Art UK

Avlidna 1983
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Engelska målare
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Articles containing the tag 'break'
By Steve Conway On Tuesday, January 10th, 2023
Long haul trucking can be a highly rewarding job. Experienced truckers have come up with a whole host of tips and tricks for newcomers to the industry. We've pulled some together here to show you the rope... Read more »
By Staff Writer On Sunday, June 30th, 2019
Ntsiki Mazwai Gets Dragged After Questioning Pearl Thusi's Acting Talent
Controversial poet and tv host Ntsiki Mazwai got dragged on Twitter during the weekend after comparing Pearl Thusi to South African actresses Moshidi Motshegwa, Zikhona Sodlaka and Brenda Ngxoli, insinuating th... Read more »
By Jack Botsford On Wednesday, October 3rd, 2018
5 Mistakes Skinny Guys Should Avoid to Build Muscle
Just like losing weight, gaining weight and building muscles have their own challenges and it requires dedication and patience to achieve it. Some of the common mistake done by skinny guys is trying to follow t... Read more »
By Brent On Monday, July 27th, 2015
Arsenal Beat Wolfsburg to Clinch Emirates Cup
Arsenal secured a 1-0 win over German side WfL Wolfsburg on Sunday evening, to win the Emirates Cup. Theo Walcott scored the decisive goal in the 50th minute after he was brilliantly set-up by highly rated youn... Read more »
By Brent On Saturday, July 25th, 2015
Crystal Palace Thump SuperSport United in Cape Town Cup Opener
Crystal Palace beat SuperSport United 4-0 at the Cape Town Stadium this evening, to book their place in the final of the Cape Town Cup on Sunday. First half goals from Mile Jedinak, Frazier Campbell, Jordan Mut... Read more »
By Oliver Ngwenya On Thursday, May 21st, 2015
Vereeniging Prison Break: One Caught, Six Still Out
It has emerged that seven prison inmates from the Groenpunt Maximum Security Facility in Vereeniging escaped from captivity in the early hours of Thursday morning. However, one of the prisoners was reaprehended... Read more »
By Brent On Monday, May 18th, 2015
Crystal Palace Ruin Steven Gerrard's Anfield Farewell
What was supposed to be a memorable last game at Anfield for Liverpool's captain Steven Gerrard soon turned into a nightmare as Crystal Palace romped to a 3-1 victory over the Reds. After Liverpool opened the... Read more »
By Brent On Sunday, May 17th, 2015
Sadio Mane's Hat-trick Blows Aston Villa Away as Southampton Run Riot
Southampton beat Aston Villa 6-1 at the St Mary's Stadium in a one-sided encounter which featured a 3-minute hat-trick by Sadio Mane. The Senegalese winger scored the fastest Premier League hat-trick with his... Read more »
By Brent On Thursday, May 7th, 2015
Lionel Messi's Brilliance Sinks Defiant Bayern Munich
Lionel Messi showed why he is considered to be the greatest footballer of all-time when he inspired Barcelona to a 3-0 victory over Bayern Munich at the Camp Nou.Bayern Munich were in the contest for most of th... Read more »
By Brent On Wednesday, April 29th, 2015
Swallows Held by Tuks as Relegation Looms
Relegation-threatened Moroka Swallows were held to a 1-1 draw against University of Pretoria at the Tuks Rugby Stadium in Pretoria, last night. Both teams went into the encounter on the back of a 4 game winless... Read more »


Our offering for anyone looking for a strong 3/16" diameter neodymium magnet. Nickel plated for a shiny, silver finish. Useful for a wide range of applications.
This size is also available in grade N52 as part number D31-N52.


text:
Murphy Rail Line Proposal Galvanizes Community, Spurs Downtown Development
Murphy's record-breaking 'Calling the Train Home' event has led to a flurry of local improvements.
MURPHY, NC – July 2019
Murphy Mayor Rick Ramsey did not quite know what to expect when he took over from his predecessor, Bill Hughes, in December of 2017. But he was certain reactivating the rail line from Andrews, N.C. to Murphy, a long-time goal of Hughes, was nothing more than wishful thinking.
The last train left Murphy for Andrews, a neighboring town about 15 miles east, in 1992. That long period of dormancy will require an estimated $16 million investment for reactivation. However, as an extensive 2015 study revealed, the economic benefits of the project far outweigh the costs.
"I studied the report and I was really surprised by the depth of it and the amount of support it had in our community," said Mayor Ramsey.
That viewpoint prompted the Mayor and town officials to spearhead an event to garner support for the project within the community. Mayor Ramsey worked closely with Cherokee County Schools, local businesses, the Town of Andrews, economic development officials, and citizens to plan and organize an event entitled "Calling the Train Home."
The event held on October 5, 2018 drew thousands of people to downtown Murphy, and ultimately made its mark in history by shattering a Guinness World Record for largest train whistle gathering. Mayor Ramsey invited Sen. Jim Davis and Rep. Kevin Corbin to speak at the event, allowing the state legislators to see firsthand how strongly the community backed the effort.
"I think it was a tremendous success, and I know we have a long way to go to see this through, but we were really so appreciative of how our community came together," Mayor Ramsey said. "I think we were all pleasantly shocked by the turnout. So many people worked hard behind the scenes to make it happen."
Recognizing how beneficial an excursion train is to the local economies of nearby Bryson City, N.C. and Blue Ridge, Ga., Murphy officials believe it would be a game changer for their already-vibrant local economy. Yet, in local government, optimism and pragmatism go hand in hand, and as Mayor Ramsey notes, the project could take up to eight years to come to fruition.
In the meantime, the Town is building upon that momentum and cohesion to bring more people to downtown. Murphy recently constructed downtown public restrooms, and this fall will construct additional street lights to a busy intersection, with the goal of attracting Atlanta and Chattanooga traffic. The Town is also awaiting a response on their application to participate in the Downtown Associate Community Program, a prerequisite for the renowned Main Street Program.
The efforts coincide with other initiatives undertaken by the Chamber of Commerce and the fairly new Murphy Business Association. The latter group, comprised of downtown merchants, organized Murphy's second annual "Spring Festival" in May, which was a tremendous success and showcased the best of Murphy for droves of people.
"I think, if nothing else, the event last fall showed how tight our community is and what we can accomplish when we come together," said Mayor Ramsey. "We have so many positive things happening in our town right now, and a lot of people are behind that success. It's something we will continue to build on."


text:
Bigger Darcy Tucker eyes Fremantle Dockers midfield role
Darcy Tucker says he is up to eight kilograms bigger than when he arrived at Fremantle and has his long term sights set on a role as an inside midfielder for the club.
Tucker says he is yet to speak with coach Ross Lyon about his 2018 role and is happy to play on a wing if that is where the coach wants him.
Eventually though he wants his strength and fitness to allow a move to inside midfielder and has his training tailored towards that.
Tucker, 20, played 19 games in 2017 to go with 12 in 2016 and believes he has reached a point where he needs to maintain strength rather than building it.
The key now is to get his running capacity to a level where he matches the league's best midfielders, he said.
"I have been playing on a wing in the last couple of years and I like that role. It is good to get up and down the ground and help out in defence and have that running capacity," he said.
"I am happy to play half forward or half back whatever the case may be and hopefully in a couple of years become an inside midfielder."
Tucker said his first week back at training last week was tough in Perth's heat but he got through it and was hoping for a setback free summer.
"Last pre-season I was able to go through uninterrupted and build a fitness base so I am just going to build on that again. Just be able to try to build my fitness for next year," he said.
"I have probably put on one or two kilos over off-season. I am more looking to build on my run and speed."
"I am probably six or seven or eight kilos bigger than when I first arrived. That is all right but I have but now I have just got to build that running capacity to match it with AFL midfielders."
"I think I am at a point where I don't need to put on too much more weight. I just need to maintain and keep strong in the gym. Build that fitness base and become a good runner."


Magic Fairy Tales - Barbie As Rapunzel is an interactive storybook adventure in which the player helps Princess Barbie rescue Prince Galen.
Imprisoned in her tower by an evil witch, Princess Rapunzel grows up with only some birds and a magic mirror for company. One day Prince Galen rides by and asks for a drink of water. Rapunzel lets down her hair so that he can climb into her tower and the two become friends. The prince visits often and tells Rapunzel stories of his travels. However the witch finds out and puts a spell on the prince saying that he must wander for the rest of his days never being able to find his way back to any place he has visited before. Only a kiss from Rapunzel can break the spell but, because he's already been to the tower he can never return there. There's only one solution, Rapunzel cuts off her hair to make a rope, climbs down from her tower, and goes in search of the prince.
The story is told by the players fairy godmother Celinda's. Her garden forms the game's menu with hot-spots to start the game in play or story mode, another triggers the picture section where scenes from the story can be printed to be coloured in later and another allows the player to enter the story at any point.


Please pray for a dear family friend of ours, Irene.
Irene had a major heart attack yesterday, they couldn't get her heart going for 15 mins. She is now on life support and maybe brain damaged if she pulls through.
I feel our prayers maybe better focused at her eternal peace in heaven and her family, although if the Lord feels it isn't her time we would gladly have her back.
Bringing Irene before our Lord right now.
In the beautiful Name of Jesus Christ our Lord, Amen.
Praying with you for Irene and her family and friends.
Irene is still hanging on to life at this point. She still hasn't showed in any signs of movement at all and remains on life support. The doctors have said it is just a matter of time till she passes away.
Her family are beginning to come to terms with what is about to happen, she had her faith and may we thank the lord that she will be with him soon in peace.
May Gods comfort and strength be with Irene's family and friends. Lord, let their faith be strengthened in Jesus' name.


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Triple Crown Talk
Derby Thoughts - With One Month To Go
07 April, 2008 12:59 PM
With less than four weeks left until Derby day, and only a couple of important preps remaining, things are finally beginning to take shape.
What did we learn last weekend? Well, for one, Colonel John is legit. The son of Tiznow quieted all those who claimed El Gato Malo would have won the Sham had it not been for a poor trip. Fact is, Colonel John is just a better horse right now and is the undeniable best of the West. Only one question remains: How will he like the Churchill dirt?
The disappointing part of the Santa Anita was that Yankee Bravo, thanks to Bob Black Jacks drifting in at the top of the lane and cutting him off, is probably not going to make the first weekend in May. It's a shame, because I think this horse has a lot of talent and would have liked the 1 ¼ miles. He certainly was unlucky last weekend, but as we all know, luck is part of the game.
On the East Coast, we learned that War Pass' Tampa Bay Derby was in fact a throw out. The 2-year-old champion came back in the Wood and ran a big race. Had it not been for a rabbit pressing the pace in the early going, War Pass probably would have had enough left to hold of Tale of Ekati.
For me, having War Pass as at least a player in the Derby will make things a lot more interesting, so I'm glad. That being said, I still don't think he gets the 1 ¼ miles.
Take nothing away from Tale of Ekati, he ran a professional race and showed a lot of heart along the rail to get up and win. I just thought he had the perfect stalking trip behind a very quick pace, and things will not set up that well for him in the Derby.
As you know from my past blogs, I am a big Court Vision fan. And for the second straight time, I came away from his third-place finish very impressed. It was obvious from his poor start and from what Garrett Gomez said afterwards, that Court Vision did not take to the track. He was spinning his wheels the whole time. Most horses would quit under those circumstances, but he did not. In fact, if there was another sixteenth of a mile, Court Vision wins easily. I still say he will be a major player on Derby day.
The Illinois Derby told me nothing, other than confirming the fact that Denis of Cork is a toss out come next month. Recapturetheglory, while a nice story, will be nothing more than a pacesetter in the Derby.
Speaking of pacesetters, it seems that the Derby will now be loaded with early speed. Between War Pass, Bob Black Jack, Recapturetheglory, and possibly Big Brown, there will be some mean opening fractions. I say the race is shaping up for a big-time closer, ie. Pyro, Court Vision, Colonel John, Visionaire, Smooth Air, and maybe even Tomcito.
That being said, here is my top 7 with a month to go.
1. Pyro: Slow times, low Beyers, can't beat War Pass, blah, blah, blah. Right now, for me, he has been the most impressive 3-year-old. I can only go by what I saw, and other than Colonel John, is the only one that has proven his worth two races in a row. Blue Grass will be very interesting, but unless he doesn't show up, Pyro is still the one to beat in the Derby as far as I'm concerned.
2. Colonel John: Hey, I'm a believer. I love his heart, he has one of the most underrated trainers in the world, and he has answered every question. Like I said, his workouts on the Churchill surface will be the key.
3. Court Vision: I know, I know, I'm an idiot for having this high on my list, right? Wrong. Again he showed a powerful closing kick despite spotting the field 10-15 lengths. He is all heart. With the Derby setting up for a closer, he will be a major player. I still want to see him closer to the pace, but Mott will get him there.
4. Big Brown: No denying, he looks to have the most talent of this class. But, again, three races coming into the Derby probably isn't enough. I can't argue that he'll be a factor, but he wouldn't be the first horse coming off a big prep win to flounder. I'm still not completely sold.
5. War Pass: Look, he's a champion and he has tremendous speed. Do I think he can go wire-to-wire in the Derby? Not really. But you never know, he may have some other speed ahead of him and the race could set up perfect. For now, he deserves a spot on this list. He has earned it.
6. Visionaire: Looking forward to the Blue Grass. He still has a lot to prove, but I like his pedigree, trainer and closing ability.
7. Eight Belles: Don't be surprised if Larry Jones shocks everyone and enters her in the Derby. She is incredibly talented and is on quite a roll. The Fantasy win was very impressive considering her poor start. I would love to see her in the mix.
Filed under: Kentucky Derby, Court Vision, Colonel John, Big Brown, Visionaire, Pyro, War Pass, Eight Belles, Tale of Ekati, Yankee Bravo
Preakness 137 Picks
Live Blog - Preakness Day, May 19 at NOON EDT
Preakness 137: My Final Act
Post Derby 138 Thoughts
The Morning Line
Kentucky Derby Gift Items
The Blood-Horse Photo Store
HRTV's Triple Crown Special
HRTV's Kentucky Derby Special (Part 1)
Florida Derby
Rachel Alexandra
Todd Pletcher
Uncle Mo


Happy Wednesday! I hope you are having a great week! One of the biggest setbacks for most people is their thoughts. Our lives tend to move in the direction of our most dominant thoughts. We all experience negative situations at some point in our lives; however only positive thoughts can bring about positive solutions.
The reason I am so protective over my thoughts is because that is how negativity gains access to your life. You have to develop a barrier to negativity and that is called mental toughness. There are a few ways I protect my thoughts. I invest time daily into becoming better in the inside. It maybe a few minutes reading, praying or when I'm exercising I spend time listening to a positive motivating messages. I also write in my journal because that is my safe place to build my positive thoughts. I even carry around a mini journal so when I have free time throughout the day I can write down encouraging thoughts. Whatever it is I'm obsessed with a good heart and healthy thoughts. The key to all of this is not only to learn it but to live it out in a positive way.
I constantly throughout the day literally stop and ask myself... "what are you thinking" If I discover that my current thoughts are not in line with where I want to go in life and the person I desire to be then I instantly replace that thought. This process keeps my most positive thoughts close to me and tells negativity there is no space available. Remember you have to inspect what you expect to happen in your life.
I pray this day is a blessed day for you !Thank you for stopping by!
Happy hump day beautiful! Looking chic and fabulous as always! I couldn't agree more with you, it's so important to keep out the negative thoughts. Because our thoughts can create our reality.
Amazing thoughts there. Very helpful. I love the outfit too.
You look fabulous as always dear, and how amazing it is to keep only positive thoughts with you throughout the day. Wish you an amazing weekend ahead.
Thank you Nina! Happy weekend!
Amazing thoughts pretty, just as amazing as you look, have a fab weekend love.


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