Ars Technica is respectable IMHO, it sounds like cleantechnica is trying to borrow cred.
I always hoped the wood-tin battery would work out.
www.ibtimes.com:New Eco-Friendly Battery Made of Wood And Sodium Can Be Charged More Than 400 Times
Quote:
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“The soft nature of wood fibers effectively releases the mechanical stresses associated with the sodiation process, and the mesoporous structure functions as an electrolyte reservoir that allows for ion transport through the outer and inner surface of the fiber,” scientists said.
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The article is five years old.
