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.

Read more here:: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/fuel_cells/~3/VOXfd7SvvuM/160128155010.htm

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