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USA: GM Buys Batteries Less Volatile Than Volt’s for Spark Model

Dec. 8 (Bloomberg) — General Motors Co., maker of the Chevrolet Volt plug-in hybrid that is the subject of a federal safety probe, is moving to a less volatile battery chemistry for its Chevy Spark electric car going on sale in 2013.

GM is using phosphate-based lithium ion batteries from Waltham, Massachusetts-based A123 Systems Inc. that are less likely to burn than other lithium chemistry, including that used in the Volt model introduced last year, said battery experts and suppliers.

The move by GM and other carmakers to different battery chemistry a year after the Volt and Nissan Motor Co.’s Leaf went on sale highlights how quickly the technology is changing for electric and gasoline-electric hybrid cars.



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