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Can Flow Batteries Finally Beat Lithium?

Cars That Think

The battery in her EV is a variation on the flow battery , a design in which spent electrolyte is replaced rather than recharged. Ions pass from one solution to the other by crossing a membrane, which keeps the solutions apart. Their energy density is as little as 10 percent that of lithium-ion batteries.

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GM Says Chevrolet Volt Won't 'Pay the Rent' | Autopia from Wired.com

Tony Karrer Delicious EVdriven

The four-door sedan will deliver 40 miles on a charge; a small gasoline engine will recharge the battery as it approaches depletion, extending its range by as much as 200 miles. GM killed that car because of back room deals with oil companies, and now they expect us to believe that they are just so cutting edge now?

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