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TechReview: Behold the Lithium Air Battery
A company based in Berkeley, CA, is developing lightweight, high-energy batteries that can use the surrounding air as a cathode. PolyPlus is partnering with a manufacturing firm to develop single-use lithium metal-air batteries for the government,
the use of these batteries would be, at first, limited to underwater vessels
and it expects these batteries to be on the market within a few years. The company also has rechargeable lithium metal-air batteries in the early stages of development that could eventually
ten years + probably
power electric vehicles that can go for longer in between charges.

The single-use batteries made by the company employ a piece of lithium metal about two centimeters squared and three millimeters thick; they have a storage capacity close to that of the lithium-ion batteries in today's laptops at one-fifth the weight
Posted by: Lord garth 2009-06-30
http://www.rantburg.com/poparticle.php?ID=273247