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Japan's Rohm shows tiny fuel cells for smartphones, aims for launch next year

The company has developed small disposable cartridges and USB charging units designed for portable gadgets

The second paragraph of the story "Japan's Rohm shows tiny fuel cells for smartphones, aims for launch next year," posted Thursday, gave an incorrect unit of measurement for the dimensions of the fuel cell cartridge. The dimensions are in millimeters. The story has been corrected on the wire and the second paragraph now reads:

The cells are 32 millimeters by 65mm, slightly larger than a nine-volt battery, and easily fit in the palm of the hand. They are snapped into a case about the size of a smartphone for use, which outputs electricity through a USB connection.


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