World’s most efficient batteries by Hitachi for hybrid and electric cars
By April 29th, 2009Wednesday, April 29, 2009 6:26 on
Hitachi has made an important step in the development of “green” cars. The company claims it has developed a new lithium-ion battery for hybrid and electric cars that tops its previous versions by 70% in output density.
The price for one such battery will be a little bit more than any other battery being used presently, but i guess that it will be profitable because this battery will make electric vehicles more practical.
The new battery (having an output density of 4,500W) will be on the market by the middle of next year, along with a cheaper version that has an output density of 2,250W. Hitachi claims that the lifespan of the battery exceeds 10 years which is about 20% longer than its predecessors. In this picture you can see a lithium-ion battery module made by Hitachi last year (there is no available yet a picture with the new battery).
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