IBM expects a prototype Li-air battery by 2013

… and for them to hit the market by 2020

Lithium-air batteries are the holy grail of portable battery technology, with energy densities up to 1000 times higher than those of Lithium ion batteries, but the chemistry is (currently) too unstable for practical use.  IBM thinks it has a possible answer to that (which I posted earlier this week), and that it should have a working prototype out by next year.  Fingers crossed…

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