Lithium-ion batteries are the most common technology powering modern devices. But lithium itself is a rare metal that's hard to come by, and countries that have to import it are developing alternatives. In Japan, researchers at the Tokyo University of Science have discovered a way to make a sodium-ion battery that
can be made with plain old sugar.
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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/LQe4gBMe83E/sugar-could-charge-up-gadgets-just-like-it-gives-a-jolt-to-kids
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