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Lithium-ion batteries

Capturing the hole states of oxygen


Oxygen redox provides an opportunity to realize the high-energy potential of battery cathodes, but the formation of molecular O2 from the oxidation of oxide ions significantly reduces the cycling stability. Now, the nature of electron-holes on oxide ions is reported, providing insights into realizing a truly reversible oxygen–redox cathode.

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Fig. 1: Characteristics of oxygen redox in cathode materials.


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Correspondence to Dong-Hwa Seo.

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Park, YJ., Seo, DH. Capturing the hole states of oxygen. Nat Energy 8, 323–324 (2023).

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