Low-cost battery made from sodium, tin and wood

06/20/2013 | International Business Times

Batteries incorporating sodium, tin and wood 1,000 times thinner than a sheet of paper are inexpensive and able to store large quantities of energy, according to this article. The flexibility of the wood is also a key reason the batteries can be charged hundreds of times over, say researchers at the University of Maryland. And sodium was chosen over lithium as "an attractive option for low-cost grid-scale storage due to the abundance of Na [sodium]," the researchers said, making the battery eco-friendly.

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