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How a cheap mineral could make a better battery — and help the planet

Row of powerpack units at the Southern California Edison Mira Loma Substation.

Batteries in Ontario, California, store renewable energy for release when demand is high. The price of such systems could fall thanks to the development of an electrolyte for calcium-based batteries. Credit: Patrick T. Fallon/Bloomberg via Getty

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Nature 573, 166 (2019)




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