Scientists create cheap, non-metallic, sustainable battery from tree bark

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(Natural News) Mother Nature will never cease to amaze, with its seemingly endless list of natural energy resources that are just waiting to be tapped. The many sources of natural — or as many in the mainstream media like to call it, the alternative — energy usually involves plantlife in one of its many iterations.

Researchers from the Northeastern University in Boston have now discovered that a possible source for cheap, sustainable batteries can be obtained from none other than tannin, which is known to be naturally abundant and comes from tree bark. While tannin is commonly found in tea and wine, it has shown great promise for use in a low-cost yet high-performance battery that could find many applications in the future.

Its abundance is the primary reason why researchers are now considering the use of tannin for a new type of battery. For reference, a tree bark is around 15 percent tannin based on weight, which is as abundant as they are widespread. Tannin ha
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