electrode active material, an optional conductive addi› tive, and a first liquid or polymer gel electrolyte; wherein said first wet electrode has a thickness from 200 µm to 3,000 µm; 

(B) introducing a second electrode having a second cur› rent collector that has two opposed primary surfaces wherein at least one of the two primary surfaces is deposited with a layer of a second active material; and 

(C) combining said first wet electrode or a portion thereof and said second electrode or a portion thereof to form said electrochemical cell, wherein one of said first wet electrode or the second electrode is a cathode and the other is an anode. 

4. A process for producing an electrochemical cell, said process comprising (A) depositing a first wet active material mixture onto at least a surface of a first current collector to form a first wet electrode, wherein the first wet active material mixture contains a first active material, an optional conductive additive, and a first polymer gel electrolyte; wherein the first wet electrode has a thickness from 200 µm to 3,000 µm; (B) introducing a second electrode having a second current collector that has two opposed primary surfaces wherein at least one of the two primary surfaces is deposited with a layer of a second active material; and (C) combining the first wet electrode or a portion thereof and the second electrode or a portion thereof to form said electro› chemical cell. 

5. The process of claim 3, wherein step (A) includes delivering, continuously or intermittently on demand, said wet cathode active material mixture to said at least a surface through spraying, printing, coating, casting, conveyor film delivery, and/or roller surface delivery. 

6. The process of claim 1, wherein said step (C) comprises continuously laminating said anode electrode, a separator layer, and said cathode electrode into a multi-layer lami› nated electrochemical cell having a length greater than 10 cm. 

7. The process of claim 1, wherein said step (C) comprises cutting said anode electrode into multiple anode layers and cutting said cathode electrode into multiple cathode layers and assembling at least an anode layer and at least a cathode layer to form an electrochemical cell. 

8. The process of claim 1, wherein said wet cathode active material mixture and/or said wet anode active material mixture contains a polymer binder. 

9. The process of claim 1, wherein said first polymer gel electrolyte or said second polymer gel electrolyte contains a reactive monomer or oligomer that gets polymerized or cured after said cathode electrode or said anode electrode is formed. 

10. The process of claim 1, wherein said first polymer gel electrolyte contains a polymer that bonds particles of said cathode active material together or bonds particles of said cathode active material to said cathode current collector when said cathode electrode is formed. 

11. The process of claim 1, wherein said second polymer gel electrolyte contains a polymer that bonds particles of said anode active material together or bonds particles of said anode active material to said anode current collector when said anode electrode is formed. 

12. The process of claim 3, wherein said step (C) com› prises continuously laminating said anode electrode, a sepa- 

rator layer, and said cathode electrode into a multi-layer laminated electrochemical cell having a length greater than 10 cm. 

13. The process of claim 3, wherein said step (C) com› prises cutting said anode electrode into multiple anode layers and cutting said cathode electrode into multiple cathode layers and assembling at least an anode layer and at least a cathode layer to form an electrochemical cell. 

14. The process of claim 3, wherein said wet cathode active material mixture contains a polymer binder. 

15. The process of claim 3, wherein said first polymer gel electrolyte contains a reactive monomer or oligomer that gets polymerized or cured after said cathode electrode is formed. 

16. The process of claim 3, wherein said first polymer gel electrolyte contains a polymer that bonds particles of said cathode active material together or bonds particles of said cathode active material to said cathode current collector when said cathode electrode is formed. 

17. The process of claim 1, wherein said first liquid or polymer gel electrolyte or said second liquid or polymer gel electrolyte contains from 2.5 M to 12 M of of a metal salt dissolved in a liquid solvent. 

18. The process of claim 1, wherein said first liquid or polymer gel electrolyte or said second liquid or polymer gel electrolyte contains from 5.0 M to 12 M of a metal salt dissolved in a liquid solvent. 

19. The process of claim 3, wherein said first liquid or polymer gel electrolyte contains from 2.5 M to 12 M of a metal salt dissolved in a liquid solvent. 

20. The process of claim 1, wherein said first liquid electrolyte contains an initial concentration, Mi, of a metal salt dissolved in a liquid solvent prior to depositing said wet cathode active material mixture and said step (A) includes a procedure of removing a portion of said liquid solvent after said depositing to increase a metal salt concentration to a final concentration, M$_{2}$, wherein M$_{2}$>M$_{1}$. 

21. The process of claim 1, wherein said second liquid electrolyte contains an initial concentration, M$_{3}$ , of a metal salt dissolved in a liquid solvent prior to depositing said wet anode active material mixture and said step (B) includes a procedure of removing a portion of said liquid solvent after said depositing to increase a metal salt concentration to a final concentration, M$_{4}$ , wherein M$_{4}$ >M$_{3}$ . 

22. The process of claim 3, wherein said first liquid electrolyte contains an initial concentration, M$_{5}$ , of a metal salt dissolved in a liquid solvent prior to depositing said wet cathode active material mixture and said step (A) includes a procedure of removing a portion of said liquid solvent after said depositing to increase a metal salt concentration to a final concentration, M$_{6}$ , wherein M$_{6}$>M$_{5}$ . 

23. The process of claim 1, wherein said first or second polymer gel electrolyte contains an ion-conducting polymer selected from poly(ethylene oxide) (PEO), polypropylene oxide (PPO), poly(acrylonitrile) (PAN), poly(methyl meth› acrylate) (PMMA), poly(vinylidene fluoride) (PVDF), poly bis-methoxy ethoxyethoxide-phosphazenex, polyvinyl chlo› ride, polydimethylsiloxane, poly(vinylidene fluoride)› hexafluoropropylene (PVDF-HFP), a sulfonated derivative thereof, a sulfonated polymer, or a combination thereof. 

24. The process of claim 3, wherein said first polymer gel electrolyte contains an ion-conducting polymer selected from poly(ethylene oxide) (PEO), polypropylene oxide (PPO), poly(acrylonitrile) (PAN), poly(methyl methacry- 

