Porous Power

Exxon's Tonen now producing lithium ion separator film

May 8, 2007 - News brief - Lithium ion batteries for vehicles to be made safer and more reliable with new membrane, the company says.
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Keiretsu cleantech contenders

April 25, 2007 - Exclusive - Hundreds of angel investors kicked the tires of five innovative greentech companies this afternoon in San Francisco. Full Story »
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