Sometimes good things come in small packages. And sometimes
those things are the most powerful batteries on the planet.
Researchers at the University of Illinois at Urbana-Champaign
have developed a tiny lithium-ion microbattery that leaves
larger supercapacitors in the dust. Scientists at Rice
University have managed to design a lithium-ion battery that can
be painted on virtually any surface. Researchers from
Northwestern University are working on developing a super-
battery that can keep a cellphone charged for a week and be
recharged in just 15 minutes.