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Materials

Tesla Car Buoys Sumitomo Separators

by Jean-François Tremblay
May 5, 2014 | A version of this story appeared in Volume 92, Issue 18
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Sumitomo Chemical will more than double its capacity for lithium-ion battery separators in Japan. The firm notes that sales of the material have benefited from the success in North America and Europe of Tesla Motors’ Model S electric car. The car uses Panasonic batteries that are made with Sumitomo separators. The separators, in turn, are fabricated out of aramid fiber and ceramic on a polyolefin substrate.

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