From Harvard, a Cheaper Storage Battery

WASHINGTON — Researchers at Harvard say they have developed a new battery technology that can store energy at lower cost, a development that Energy Department officials say could pave the way for a new generation of batteries

The findings, which were published on Wednesday in the journal Nature, come as utilities are under pressure to overcome one of the major shortcomings of renewable energy: how to make the electricity available even when the sun is not shining or the wind is not blowing.
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