Nature Communications (Jul 2021)

Surface enrichment and diffusion enabling gradient-doping and coating of Ni-rich cathode toward Li-ion batteries

  • Haifeng Yu,
  • Yueqiang Cao,
  • Long Chen,
  • Yanjie Hu,
  • Xuezhi Duan,
  • Sheng Dai,
  • Chunzhong Li,
  • Hao Jiang

DOI
https://doi.org/10.1038/s41467-021-24893-0
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 9

Abstract

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The commercialisation of promising Ni-rich cathodes is limited by capacity fading and thermal runaway. Here, the authors design a gradient Al-doped and LiAlO2-coated LiNi0.9Co0.1O2 cathode, which addresses the crystal degradation and interfacial instability and thus improves the cycle and thermal stabilities.