MIT lithium-oxygen battery lasts a long time and is more efficient
 

http://cdn.slashgear.com/wp-content/...ry-574x383.jpgMIT has an**unced a breakthrough in battery tech**logy that might one day mean EVs that can drive further on a charge and gadgets that last longer away from an outlet. For a long time MIT and other research organizations have been looking at lithium-air batteries, but those batteries have some significant drawbacks. While lithium-air promises high-energy output compared to weight, … Continue readinghttp://feeds.feedburner.com/~r/slashgear/~4/4AexYe-2b6w

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