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Old 12-19-2007, 03:05 PM   #2 (permalink)
tonybelding
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Quote:
Originally Posted by SByer View Post
By using silicon nanowires, the capacity of Li-ion batteries could be greatly boosted. Something to watch.
For convenience, here's a repeat of the same info I posted in the other thread (PHEVs Moving In). . .

Some researchers contacted by Chemistry World questioned whether the technique would be useful for commercial batteries. 'The most appealing result is obviously the high cycling capacity that these materials are able to deliver,' said one leading expert on lithium battery anodes, who asked not to be named. 'However, the test is limited to only 10 cycles and this is far too few to determine the industrial impact of the electrode. Also, the rate of the cycling test is very low and thus the power capability, another important practical requisite, has not been ascertained.'

Full article here: http://www.rsc.org/chemistryworld/Ne...r/17120702.asp

Also this. . .

"It's a really nice proof of concept," says Gerbrand Ceder, a materials scientist and battery expert at the Massachusetts Institute of Technology in Cambridge. Making lithium ion batteries capable of holding 10 times the charge of conventional versions still requires a cathode that holds 10 times the charge, too, Ceder says. However, he adds, incorporating a silicon nanowire-based anode could allow batterymakers to reduce the weight and volume of the anode and add more cathode material in its place, which could give lithium batteries a power boost.

Full article here: http://sciencenow.sciencemag.org/cgi...ll/2007/1217/2
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