Power/Performance Bits: Feb. 3

Bulletproof vests for batteries It was almost two years ago that the Boeing Dreamliner was grounded because of fires caused by its lithium-ion batteries. Now researchers at the University of Michigan have used nanofibers extracted from Kevlar, best known as the material in bulletproof vests, to create a new barrier between the electrodes in a lithium-ion battery. Lithium atoms in batterie... » read more