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New Battery Makes Electric Cars Competitive–Company Was Founded In Public Library
Wednesday, March 6, 2013 13:55
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A company founded in the Palo Alto public library has taken a dose of government money and technology and turned it into the most energy-dense battery ever. Envia System’s new lithium-ion battery packs roughly twice as much energy per gram as present batteries, the company will announce here at the third annual summit of the Advanced Research Projects Agency—Energy (ARPA–e).
“We achieved 400 watt-hours per kilogram,” explains materials scientist Sujeet Kumar, Envia co-founder and chief technology officer. “We have made a 40 ampere cell in a large format that automakers can recognize and use,” and one that has been validated by independent energy density tests at the Naval Surface Warfare Center in Crane, Ind. MOREHERE
