Nature Communications (Jul 2020)

Highly reversible oxygen redox in layered compounds enabled by surface polyanions

  • Qing Chen,
  • Yi Pei,
  • Houwen Chen,
  • Yan Song,
  • Liang Zhen,
  • Cheng-Yan Xu,
  • Penghao Xiao,
  • Graeme Henkelman

DOI
https://doi.org/10.1038/s41467-020-17126-3
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 12

Abstract

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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.