Nickel tetrathiooxalate as a cathode material for potassium batteries

Roman R. Kapaev, Elena V. Shklyaeva, Georgy G. Abashev, Keith J. Stevenson, Pavel A. Troshin

Research output: Contribution to journalArticlepeer-review

Abstract

We report a nickel tetrathiooxalate (NiTTO) coordination polymer as a cathode material for potassium batteries. In a potential range of 1.3–3.6 V vs. K+/K, the specific capacity of the material is 209 mA h g−1 at a current density of 0.1 A g−1, which roughly corresponds to the two-electron reduction of polymer repeating units. The charge–discharge mechanisms of NiTTO in potassium cells were examined using operando Raman spectroscopy.

Original languageEnglish
Pages (from-to)226-227
Number of pages2
JournalMendeleev Communications
Volume32
Issue number2
DOIs
Publication statusPublished - 1 Mar 2022

Keywords

  • cathode materials
  • conductive polymers
  • coordination polymers
  • energy storage
  • K-ion batteries

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