Tuesday, August 14, 2007

Paper battery offers future power

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BBC NEWS TECHNOLOGY:

Flexible paper batteries could meet the energy demands of the next generation of gadgets, says a team of researchers.

They have produced a sample slightly larger than a postage stamp that can release about 2.3 volts, enough to illuminate a small light.

But the ambition is to produce reams of paper that could one day power a car.

Professor Robert Linhardt, of the Rensselaer Polytechnic Institute, said the paper battery was a glimpse into the future of power storage.

The team behind the versatile paper, which stores energy like a conventional battery, says it can also double as a capacitor capable of releasing sudden energy bursts for high-power applications.

While a conventional battery contains a number of separate components, the paper battery integrates all of the battery components in a single structure, making it more energy efficient.




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