The world’s most powerful Lithium-Ion battery for vehicle by Hitachi
Hitachi Ltd and Hitachi Vehicle Energy Ltd developed the world’s most powerful Lithium-Ion battery for a car with output power density of 4,500 W/kg, a 1.7 times higher in power density in comparison to their current car Lithium-Ion battery. Hitachi managed to reduce the internal resistance in this newly developed battery by employing a new Manganese anode for its electrode plus the use of Hitachi’s original battery structure for thinning of the electrode and power collection method resulting in world’s highest output for this type of battery.
The current second generation lithium ion batteries has a power density of 2,600W/kg which has been used for cars and railroads being the only mass produced lithium ion battery for cars in the world. Hitachi has already developed the third generation lithium ion battery with output density of 3,000 W/kg already developed and it is scheduled to go into mass production by 2010. This newly developed fourth generation lithium battery by Hitachi with a high performance and highest output power of 4,500 W/kg comes with a smaller form factor and lighter weight.Hitachi will start sampling this forth generation Li-ion battery by this fall.
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