Nickel tetrathiooxalate as a cathode material for potassium batteries

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

doi:10.1016/j.mencom.2022.03.024

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 journal › Article › peer-review

2 Scopus citations

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 language	English
Pages (from-to)	226-227
Number of pages	2
Journal	Mendeleev Communications
Volume	32
Issue number	2
DOIs	https://doi.org/10.1016/j.mencom.2022.03.024
State	Published - 1 Mar 2022
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2022

Funding

This study was financially supported by Russian Science Foundation (grant 16-13-00111P) at Skoltech and by Russian Ministry of Science and Education (project 0089-2019-0010/ AAAA-A19-119071190044-3) at IPCP RAS.

Funders	Funder number
Ministry of Education and Science of the Russian Federation	0089-2019-0010/ AAAA-A19-119071190044-3
Russian Science Foundation	16-13-00111P

Keywords

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

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10.1016/j.mencom.2022.03.024

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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.",

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AU - Shklyaeva, Elena V.

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AU - Stevenson, Keith J.

AU - Troshin, Pavel A.

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AB - 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.

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KW - cathode materials

KW - conductive polymers

KW - coordination polymers

KW - energy storage

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Nickel tetrathiooxalate as a cathode material for potassium batteries

Abstract

Bibliographical note

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Keywords

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