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July 12th, 2013 at 8:59 am

Scientists create battery using wood

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University of Maryland engineers are currently working on a battery made of wood, an innovative, low-cost, environmentally friendly idea. The research team used tiny wood fibers from yellow pine trees to make test batteries — and we mean seriously tiny, the tree fibers are a thousand times thinner than a piece of paper. They use sodium rather than lithium, so the team imagines this battery working best in a large-scale environment, like for storing solar energy at a power plant.

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Many of the batteries used today can’t handle the swelling and shrinking that happens during the charge and discharge process. But this battery can last longer than most nano-batteries available today, averaging more than 400 charging cycles. It’s not quite ready to power your cellphone, but we’re just looking at the first generation here, and there’s a huge amount of potential for the future.

Via Dvice

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