Nature Communications (Oct 2019)

Anionic redox reaction in layered NaCr2/3Ti1/3S2 through electron holes formation and dimerization of S–S

  • Tian Wang,
  • Guo-Xi Ren,
  • Zulipiya Shadike,
  • Ji-Li Yue,
  • Ming-Hui Cao,
  • Jie-Nan Zhang,
  • Ming-Wei Chen,
  • Xiao-Qing Yang,
  • Seong-Min Bak,
  • Paul Northrup,
  • Pan Liu,
  • Xiao-Song Liu,
  • Zheng-Wen Fu

DOI
https://doi.org/10.1038/s41467-019-12310-6
Journal volume & issue
Vol. 10, no. 1
pp. 1 – 12

Abstract

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Anionic redox reactions are gaining interest as a means to optimize capacities of alkaline ion batteries. Here, the authors investigate various charge compensation mechanisms and report S–S dimerization and the formation of electron holes on sulfur in a model sulfide cathode.