A123 Systems' new lithium ion tech keeps EV batteries cool, your wallet in check

Source: http://www.engadget.com/2012/06/13/a123-systems-nanophosphate-ext-lithium-ion-battery/

EV battery maker A123 Systems has had a rocky history as of late following a Fisker battery recall, but it may just be turning the corner with a new lithium ion advancement. Nanophosphate EXT widens the temperature range that A123's lithium iron phosphate-based batteries can withstand before losing power: an EXT battery musters 20 percent more power than before when it's as chilly as -22F and can keep over 90 percent of its original capacity after 2,000 full charges, even if it's been run in a blistering 113F heat. The longevity has its obvious advantages for anyone who lives in an extreme climate, but it could also lead to cheaper EVs and hybrids -- the less cooling a car battery needs, the lower the up-front cost and the lighter the car gets. Full production won't start until the first half of 2013, though that's ample time for companies to at least think about slotting Nanophosphate EXT battery packs into 2014 or later cars such as the Atlantic.

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