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Batteries made from nanotubes ... and paper

Technology would offer lightweight and simple energy storage

Those who are quick to dismiss paper as old-fashioned should hold off on the trash talk. Scientists have made batteries and supercapacitors with little more than ordinary office paper and some carbon and silver nanomaterials. The research, published online December 7 in Proceedings of the National Academy of Sciences, brings scientists closer to lightweight printable batteries that may one day be molded into computers, cell phones or solar panels.

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