A Better Battery?
by Bill Hayes
In Can PolyPlus’s Batteries Power the Future?, Bloomberg Businessweek looks at the promise and problems of a newly developed battery.
Per gram of weight, the batteries last six times longer than anything commercially available, Visco says—which could ultimately add up to big profits for PolyPlus, the Berkeley (Calif.) battery research company he co-founded in 1990.
The trouble is, they work best underwater, so they’re not practical for use in most electronics or electric vehicles, the biggest potential markets. Visco’s team is using the water breakthrough to create a lithium battery powered by air, another substance previously thought too combustible to combine with the element, which should work for gadgets and cars. [more]