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'World's smallest' fuel cell for portable devices Print E-mail
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Sunday, 11 January 2009 10:18

New Scientist has reported that the world's smallest working fuel cell has been created by US chemical engineers, at just 3 millimetres across. Future versions of the tiny hydrogen-fuelled power pack could replace batteries in portable gadgets. "It's not practical to make a pump, a pressure sensor, and the electronics to control the system in such a small volume," says Saeed Moghaddam at the University of Illinois at Urbana-Champaign. "Even if they are magically made at that scale, their power consumption would probably exceed the power generated."

Last Updated ( Sunday, 11 January 2009 10:29 )
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