Nissan has linked with NEC in bid to design better batteries for electric cars. The technology they are looking at is is based on lithium-ion batteries, which are common in electronic gadgets but do have a tendency to explode under stress.

Other car makers have been using nickel-metal hydride batteries, although General Motors is also working on lithium-ion batteries.
NEC Tokin will produce the batteries, according to The Nikkei.

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