The Nikkei reports that Hitachi Ltd. has developed a high-power lithium-ion battery for hybrid-electric vehicles. The battery reportedly has specific power of 4,500 W/kg— a power increase of 70% over its current models, and 50% over a new version Hitachi plans to begin mass-producing next year.
Hitachi aims to begin commercial production of the new battery in the mid-2010s. The battery also boasts a 20% longer life, at 10 years, about the same as the life of a car.
Hitachi, which in 2000 became the first company to mass-produce large lithium-ion batteries for cars, has sold 600,000 units so far. It aims to sell 100 billion yen worth of vehicle-use lithium-ion batteries in fiscal 2015.
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