Nature Communications (Apr 2021)

Hierarchical nickel valence gradient stabilizes high-nickel content layered cathode materials

  • Ruoqian Lin,
  • Seong-Min Bak,
  • Youngho Shin,
  • Rui Zhang,
  • Chunyang Wang,
  • Kim Kisslinger,
  • Mingyuan Ge,
  • Xiaojing Huang,
  • Zulipiya Shadike,
  • Ajith Pattammattel,
  • Hanfei Yan,
  • Yong Chu,
  • Jinpeng Wu,
  • Wanli Yang,
  • M. Stanley Whittingham,
  • Huolin L. Xin,
  • Xiao-Qing Yang

DOI
https://doi.org/10.1038/s41467-021-22635-w
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 10

Abstract

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High-nickel content cathode materials suffer issues of structural and surface instability. Herewith authors show that introduction of a nickel valence gradient enhances the thermal and cycle stability of high-nickel content cathode materials.