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Old 08-July-05, 09:20 AM   #1 (permalink)
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Arrow Web News: Fujitsu triples the charge on a micro fuel cell

The prospect of fuel cell technology for powering small devices has come one step closer. Japanese electronics giant Fujitsu says it has tripled the charging capacity of fuel cells for mobiles and has now developed a commercial prototype with the Japanese telco DoCoMo.

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Fuel cells are not only rechargeable but also environmentally friendly. Unlike traditional devices that are based on lithium and have to be thrown away when exhausted, fuel cells run on methanol that produces only water as a waste product and can be refilled. However, R&D departments have tried for many years to get sufficient power from a fuel cell device to make it marketable.

In order to raise the charge held by the cell, Fujitsu managed to raise the concentration of the methanol fuel from 30 per cent, the concentration used for the companies' previous fuel cells, to over 99 per cent.

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