Tuesday, August 4, 2009

Batteries

Several new things have happened with batteries in the past 9 months. The price of Lifepo4 cells has dropped from about $250/100 Ah to $120/100 Ah and there are a few importers who are offering that price, including evcomponents.com and jungle motors.

Perhaps the biggest indicator is that LG Chem and its US division, Compact Power Inc (CPI), will supply the batteries for the Chevy Volt. They plan to spend $800M on a Korean factory. Also, A123 will supply the batteries for Chrysler and Kia and Nissan Leaf (with NEC) have announced EVs.

A quote from an article about the Leaf:

"However, the battery, the most expensive component on the car, will only be leased to customers.

The Leaf is powered by laminated compact lithium-ion batteries, which generate power output of over 90 kW, while its electric motor delivers 80 kW/280 Nm."

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