World’s Smallest Fuel Cell

Posted in Tech by Neil Koster on January 24, 2009


This is the worlds smallest working fuel cell. The University of Illinois have developed this 3 mm x 3 mm x 1 mm tiny chip out of an assembly of electrodes within small layers of membrane, a water reservoir and metal hydride. It produces  0.7 volts and a 0.1 milliamp current for approximately 30 hours . Very low you may say and currently this will limit it’s application – but forward thinking will tell you that if a device this small can produce 30 hours of energy – imagine what a big one can produce? A car, Boat a Nokia Brick phone from 1988? Who Knows?

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