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Modified vanadium oxide extends life of lithium-ion batteries.(METALS/POLYMERS/CERAMICS)(Brief article)

Advanced Materials & Processes,  May, 2007  

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Modified vanadium oxide ([V.sub.2][O.sub.5]) materials for cathodes that run far longer in lithium-ion batteries are under development at Physical Science Inc., Andover, Mass. When a small amount of conductive polymer is added to vanadium oxide, battery performance improves, including the ability to be recharged and discharged many times.

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Batteries could be charged and discharged completely more than 25 times. If cycled to lesser depths of discharge, they could achieve more than 100 cycles without a ...

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