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Docomo, Aquafairy to develop polymer electrolyte fuel cell

Posted: 18 Jul 2006 ?? ?Print Version ?Bookmark and Share

Keywords:polymer electrolyte fuel cell? PEFC? NTT Docomo? Aquafairy? recharger?

NTT Docomo Inc. and Aquafairy Co. announced that they agreed to jointly develop a micro fuel cell for 3G FOMA handsets. This agreement follows their development of a polymer electrolyte fuel cell (PEFC) that is said to be effective in a prototype recharger.

The fuel cell is touted as the smallest in the world, with a power output of 2W. The recharger combines Docomo's recharger technology with Aquafairy's thin film power unit technology and catalyst for producing hydrogen from water. According to Docomo, the hydrogen-producing mechanism and power units make the recharger less than one-fourth the size and more than twice as powerful as the methanol fuel cell prototype that it introduced last year. It can charge a handset several times, and the recharging time is approximately the same as an AC adapter.

Docomo said it worked on increasing the capacity of Lithium-ion batteries and developed a direct methanol fuel cell recharger. The company is also exploring the possibility of PEFCs that convert water into hydrogen, and has higher power density than methanol cells.

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