NEC has begun mass production of high-capacity lithium ion batteries for electric cars, and while that might not sound interesting, if you're considering a Nissan Leaf it's NEC's power packs that will be keeping you moving. Initially production is at the company's Sagamihara plant in Japan, but in of 2013 the joint-venture started by NEC and Nissan plan to shift production to a new facility in Tennessee, USA, for EV models destined for domestic use.
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