Berkeley researchers report a major advance in understanding how oxygen oxidation creates extra capacity in such “lithium-rich” cathodes, opening the door to batteries with far higher energy density, meaning your phone or electric vehicle will be able to run for much longer between charges.

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Berkeley researchers report a major advance in understanding how oxygen oxidation creates extra capacity in such “lithium-rich” cathodes, opening the door to batteries with far higher energy density, meaning your phone or electric vehicle will be able to run for much longer between charges.