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Battery tech extends range of hybrid electric vehicles

Posted: 19 Oct 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Technology Research Laboratories? battery? hybrid car? hybrid electric vehicle? George Leopold?

Technology Research Laboratories (TRL) announced that its technology can extend the range of hybrid electric vehicles to 75 miles or better per charge. The company claims its battery operates on physical chemistry principles different from conventional lead-acid batteries, and is made almost entirely of carbon and plastic materials.

According to the company, it is initially targeting the "plug-in" hybrid-electric car market which has so far failed to mesh gears due to unreliable and expensive power sources. Battery disposal also remains an issue. TRL claims its testing showed that a four-passenger electric car be powered by less than 1,000 pounds of its batteries and could travel up to 100 miles on a single charge "depending [on] speed and road conditions." Total usable energy is 25kW/hr.

Battery life, weight and cost have combined with a lack of battery charging capacity to slow consumer acceptance of electric cars. TRL is claiming a weight power density for its battery technology of up to 80W per pound with continuous use and up to 200W per pound at peak use. Volumetric energy density was about 2kW hours/feet3.

- George Leopold
EE Times

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