Highly reversible oxygen redox in layered compounds enabled by surface polyanions

Oxygen-anion redox in lithium-rich layered oxides can boost the capacity of lithium-ion battery cathodes. Here, the authors investigate the mechanism of surface degradation caused by oxygen oxidation and the kinetics of surface reconstruction.

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Bibliographic Details
Main Authors: Qing Chen, Yi Pei, Houwen Chen, Yan Song, Liang Zhen, Cheng-Yan Xu, Penghao Xiao, Graeme Henkelman
Format: article
Language:EN
Published: Nature Portfolio 2020
Subjects:
Q
Online Access:https://doaj.org/article/b557949eddf643ddac73334b5f8ebdf3
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Summary:Oxygen-anion redox in lithium-rich layered oxides can boost the capacity of lithium-ion battery cathodes. Here, the authors investigate the mechanism of surface degradation caused by oxygen oxidation and the kinetics of surface reconstruction.