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.
Citation:
R. R. Kapaev, E. V. Shklyaeva, G. G. Abashev, K. J. Stevenson, P. A. Troshin, “Nickel tetrathiooxalate as a cathode material for potassium batteries”, Mendeleev Commun., 32:2 (2022), 226–227
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https://www.mathnet.ru/eng/mendc621
https://www.mathnet.ru/eng/mendc/v32/i2/p226
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