10 Mar '12, 8pm

AltEnergyInfo: New battery has the potential to cut the cost and extend the range of electric cars

A Palo Alto company has come up with a potential battery breakthrough – they’ve developed a new lithium-ion battery that packs twice as much energy as today’s batteries, which could lead to greatly extended range and reduced costs for electric and hybrid cars. Envia Systems, using a $4m million grant frm the US Advanced Research Projects Agency (ARPA), developed new cathodes and anodes for their lithium-ion battery and has achieved an energy density levels of 400 watt-hours per kilogram. This achievement has been validated by independent tests performed at the Naval Surface Warfare Center (NSWC). Higher energy batteries get you several things. You can make them thinner, which helps remove heat. Heat has been a problem for lithium-ion batteries before – witness the problems that the Chevy Volt had with damaged batteries bursting into flame under controlled conditions. You c...

Full article: http://www.alt-energy.info/hybrid-electric-cars/new-batte...

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