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Technology Stocks : NanoTechnology
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To: nigel bates who wrote (26)10/23/2001 7:51:04 PM
From: ~digs  Read Replies (1) of 720
 
NEC Researchers Employ Carbon Nanotubes to Design Micro DMFC for Portables

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TOKYO - Japanese scientists have developed a tiny direct methanol fuel cell for mobile applications that employs carbon nanotubes as the basic building materials for its electrodes, NEC Corporation here announced..

Dr. Yoshimo Kubo, in charge of the portable fuel cell project at NEC's Fundamental Research Laboratories in Tsukuba, said he and his team have constructed the lilliputian device measuring 40 by 50 mm and 5 mm thick that he expects will be more powerful by an order of magnitude than lithium ion batteries, currently the best available power sources for portable devices such as lap top computers.

"The energy capacity of the current Li-ion batteries is around 130 Wh/kg," he told H&FCL by e-mail. "We estimate about 1,300 Wh/kg or more for a well-designed portable DMFC" based on carbon nanotube technology.

hfcletter.com
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