Now this is an important technology, batteries as they stand now are only lasting 2 to 3 years, Which is a thousand cycles..

PolyPlus: Water Batteries Could Be Comin' Soon Batteries made of lithium and seawater (or just plain tap water for that matter) could be on their way to a marine market near you. That's courtesy of a technology made by a 11-year-old company called PolyPlus and various partnerships, which hails out of Lawrence Berkeley Labs and has a grant from the Department of Energy's high risk, early-stage ARPA-E program. At the annual ARPA-E Summit this week, PolyPlus was highlighted as a potential game-c … Read More

via GigaOM