Nature Communications (Apr 2022)

Enabling fast-charging selenium-based aqueous batteries via conversion reaction with copper ions

  • Chunlong Dai,
  • Linyu Hu,
  • Hao Chen,
  • Xuting Jin,
  • Yuyang Han,
  • Ying Wang,
  • Xiangyang Li,
  • Xinqun Zhang,
  • Li Song,
  • Maowen Xu,
  • Huhu Cheng,
  • Yang Zhao,
  • Zhipan Zhang,
  • Feng Liu,
  • Liangti Qu

DOI
https://doi.org/10.1038/s41467-022-29537-5
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 10

Abstract

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Aqueous battery Se-based cathodes are based on a two-electron transfer electrochemical reaction and generally show inadequate rate capability behaviour. Here, the authors propose a four-electron Se chemistry with copper ions as charge carriers to enable fast-charging battery cycling.