liquid metal batteriesResearchers create an all-liquid-metal battery that could allow alternative power schemes to flourish. Plus, three more breakthrough technologies that the U.S. Department of Energy is funding now.

By Michael Belfiore.

Popular Mechanics, April 27, 2010.

Plans to add renewable power sources to the electric grid have a common problem: weak, expensive and small batteries that can’t guarantee there will be juice when the wind isn’t blowing or the sun isn’t shining. Donald Sadoway, professor of materials chemistry at Massachusetts Institute of Technology, thinks the solution lies in novel batteries that use liquid metals.

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