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Nano-tech-trickery produces tiny paper battery
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Written by Danrok   
Tuesday, 14 August 2007 12:40

From RegHardware:

Researchers in the US have developed a flexible paper battery which is about the size of a postage stamp. The concept device works like a conventional battery and can pump out around 2.5 volts, enough power to illuminate a small light.

The research team at the Rensselaer Polytechnic Institute in New York claim the design is based on a versatile paper that contains carbon nanotubes, which each act as an electrode. The nanotubes are embedded in a sheet of paper that’s soaked in ionic liquid electrolytes, which then conduct the electricity.

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