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Electric test car with aluminum-air battery takes to the track


Now the companies have debuted the technology on the track at Montreal's Circuit Gilles-Villeneuve.

With the exception of Tesla's Model S and its 300 mile (500 km) range, most lithium-ion battery systems typically offer users a somewhat limited range before requiring a recharge. As we reported last April, there are several companies working on next generation air-battery technologies, most focusing on lithium-air solutions. However one of the inherent problems with these new metal-air batteries has been the issue of CO2-related premature failure.

Phinergy and Alcoa's aluminum-air battery system uses energy released through the reaction of aluminum and water with oxygen in order to generate electricity, using a silver-based catalyst and unique structure to allow oxygen into the cell while refusing entry to the problematic CO2 molecules. The company claims that travel distances, purchase prices and life-cycle costs would be comparable to petrol-powered vehicles

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