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Energy Storage

Japanese firms eye lithium car batteries

by Jean-François Tremblay
March 26, 2018 | APPEARED IN VOLUME 96, ISSUE 13

 

Mazda, Ube Industries, and ELIIY Power are teaming up to develop lithium-ion ­alternatives to the lead-acid batteries used to start cars. While lithium-ion batteries offer lower weight and toxicity, they have not been able to replace lead-acid batteries because of under-the-hood heat and the flammability risk their electrolytes pose in a collision. Mazda will use its car-making know-how to simulate the chemical reactions inside batteries. Ube will provide electrolytes and battery cell separators. ELIIY has supplied lithium-ion starter batteries to motorcycle makers since 2016.

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