Sunday, August 14, 2011

New MIT Battery Design Could Double Range of Electric Cars

Scientists at the Massachusetts Institute of Technology are developing a new battery technology that they say would significantly reduce the size of electric car battery systems and potentially double the range of electric vehicles. The technology uses a type of semi-solid flow cell system, in which the battery electrodes take the form of tiny particles suspended in liquid electrolyte, a mixture nicknamed “Cambridge crude.” Two streams of that slurry-like compound — one positively charged, the other negatively charged — are then pumped through the system, causing the exchange of lithium ions across a permeable membrane that triggers an external current.

Source: Yale Environment 360

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