Johnny heath corpus christi Affordable Hydrogen Fuel Cells News Putting silicon 'sawdust' in a graphene cage boosts battery performance

Scientists have been trying for years to make a practical lithium-ion battery anode out of silicon, which could store 10 times more energy per charge than today's commercial anodes and make high-performance batteries a lot smaller and lighter. But two major problems have stood in the way: Silicon particles swell, crack and shatter during battery charging, and they react with the battery electrolyte to form a coating that saps their performance.

from Fuel Cells News -- ScienceDaily http://ift.tt/1NE6hGN
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