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Gold/Mining/Energy : Lithium
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From: Condor7/31/2009 7:27:00 PM
   of 1146
 
Why Lead-Carbon Batteries Will Deflate the Lithium-Ion Bubble
John Petersen

For over a year I've been cautioning readers that while lithium-ion batteries are glamorous, sleek, sexy and hot; they are about to face a formidable challenge from lead-carbon batteries that are a little bulkier and heavier, but offer competitive cycle-life and power for a tiny fraction of the cost. To placate lithium fundamentalists and EV evangelists, I want to admit up front that lead-carbon batteries will probably not be the first choice for plug-in vehicles. Nevertheless, it is crystal clear that lead-carbon batteries will be the only sensible choice for micro, mild and full HEVs, and many grid connected energy storage applications. A July 30th article from Earth2Tech titled, “Vinod Khosla On Why Lithium-Ion Batteries Are Overhyped” says it all, "The most important thing to remember is economic gravity – the cheapest thing ends up winning." What do you know; somebody else believes cheap beats cool.......................cont'd

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