Molten metal batteries to be clean energy reservoirs - tech - 09 April 2010 - New Scientist: "A BATTERY able to match the output of those used in cellphones from 1/20th of their electrode area may have you dreaming of more talk time.
But putting it in your pocket would be a bad idea - it's full of molten metal. Instead, its inventors hope it will provide much-needed storage capacity for electricity grids.
Grid-scale batteries would boost efficiency by allowing solar energy to be used at night, for example, or excess power from a nuclear plant to be stored for later."
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