Last night, we had the chance to visit with a few of the researchers and scientists behind the exciting projects on display at the 2011 ARPA-E Energy Innovation Summit Technology Showcase. The following projects represent a few of the highlights we found:

PolyPlus
At Berkeley, CA-based PolyPlus Battery Company, researchers are developing a lithium-air battery that could enable an electric car to travel 500 miles on a single charge. Compared to the best lithium-ion battery technology available today, the rechargeable lithium-air battery prototype that PolyPlus is working on could store more than five times the amount of energy.

William Mouat explains the PolyPlus battery technology.William Mouat explains the PolyPlus battery technology (Credit: DOE Photo/Ken Shipp)

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