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Hitachi Develops Lithium-ion Batteries for Plug-in Hybrid Electric Vehicles

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Energy density is 120 Wh/kg, power density is 2,400 W/kg. The cells incorporate a heat-resistant separator that prevents internal short-circuits and dramatically improves safety. In 2000, the Hitachi Group became the first in the world to begin volume production of safe, high-performance, long-lasting automotive lithium-ion batteries.

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A More Detailed Look at a Prismatic Li-ion Cell and Pack Manufacturing Process

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The circuitry required to handle the current required for propulsion is internal to the module. Range in prices = $2000 - $2500. EnerDel expects the pack to depreciate more slowly than the rest of the vehicle and to have a secondary life in fork lift trucks or residential power storage once the car has been recycled.

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