May 12, 2004
World's Smallest Fuel Cell
Casio Computer Co has announced that it has developed the world's smallest fuel cell.
Large-scale polymer electrolyte fuel cells (PEFC) are already in development for use in automobiles. What Casio has succeeded in doing is to miniaturize a PEFC so that it is similar in size to a conventional lithium-ion battery.
However, the PEFC battery has a capacity nearly four times that of a lithium-ion battery. Laptop computers should be able to run on PEFC power for 8-16 hours.
Casio hopes to introduce its fuel cell to the market after regulators are expected to allow PEFCs on the market, around 2007.
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