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Sponge Silicon Material Li Ion Battery Anode | by Pacific Northwest National Laboratory - PNNL
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Sponge Silicon Material Li Ion Battery Anode

PNNL researchers have developed a porous, sponge-like nanomaterial made of silicon (shown here under a microscope) that could help lithium-ion batteries run longer on a single charge by giving the batteries' electrodes the space they need to expand without breaking.

 

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Taken on July 7, 2014