Nature Communications (Mar 2020)

Titanium-based potassium-ion battery positive electrode with extraordinarily high redox potential

  • Stanislav S. Fedotov,
  • Nikita D. Luchinin,
  • Dmitry A. Aksyonov,
  • Anatoly V. Morozov,
  • Sergey V. Ryazantsev,
  • Mattia Gaboardi,
  • Jasper R. Plaisier,
  • Keith J. Stevenson,
  • Artem M. Abakumov,
  • Evgeny V. Antipov

DOI
https://doi.org/10.1038/s41467-020-15244-6
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 11

Abstract

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The Ti4+/Ti3+ redox couple is usually a good choice for anodes due to its low potential. Here, the authors show that the potential can be increased to nearly 4.0 V in KTiPO4F, which serves as a high-performance cathode for K-ion batteries.