Nature Communications (Jun 2020)

Unlocking the passivation nature of the cathode–air interfacial reactions in lithium ion batteries

  • Lianfeng Zou,
  • Yang He,
  • Zhenyu Liu,
  • Haiping Jia,
  • Jian Zhu,
  • Jianming Zheng,
  • Guofeng Wang,
  • Xiaolin Li,
  • Jie Xiao,
  • Jun Liu,
  • Ji-Guang Zhang,
  • Guoying Chen,
  • Chongmin Wang

DOI
https://doi.org/10.1038/s41467-020-17050-6
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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Environmentally triggered degradation at the cathode–air interface is dictated by Li-ion de-intercalation caused by Li+-water interactions. Here, thin disordered rocksalt surface layers are reported to suppress chemical delithiation, facilitating development of high energy and stability cathodes.