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DOE/IBM working on 500 Mile Battery


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The Department of Energy and IBM are serious about developing lithium air batteries capable of powering a car for 500 miles on a single charge - a five-fold increase over current plug-in batteries that have a range of about 40 to 100 miles, the DOE said.

The agency said 24 million hours of supercomputing time out of a total of 1.6 billion available hours at Argonne and Oak Ridge National Laboratories will be used by IBM and a team of researchers from those labs and Vanderbilt University to design new materials required for a lithium air battery. The calculations will be performed at Oak Ridge and Argonne, which house two of the world's top ten fastest computers, the group said.

Read More: http://www.networkworld.com/community/node/56498

According to IBM: "Because they use air that's pulled into the battery as needed, rather than store a second reactant inside the cell, lithium-air batteries could have an energy density of more than 5,000 watt-hours per kilogram (Wh/kg). That's ten times the energy available from the top lithium-ion batteries today, and begins to get closer to the 13,200 Wh/kg energy density of gasoline."

Read more here also: MIT Technology Review: http://www.technologyreview.com/energy/22780/

Bruce

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