Research breakthrough opens door to battery energy density improvements

Megan Lampinen examines new research around the understanding of oxygen-redox materials to increase cathode energy density of lithium-ion batteries

Battery performance could make or break the success of electric vehicles (EVs). Lithium-ion technology dominates the market today but is limited in terms of its energy storage capacity, which in turn limits the range of an EV. However, recent advances in the understanding of oxygen-redox promise significant progress on this front.

Automotive World Magazine - April 2021

“One of the key barriers to extending EV range is improving the energy storage of the lithium-ion cell,” says Professor Peter Bruce of the University of Oxford and Chief Scientist of the Faraday Institution. “That heavily depends on the amount of charge that can be stored in the cathode. One of the few ways of improving on today’s technology is to be able to store charge not just on the metal ions in the cathode but also on the oxygen.”

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