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Electrochemical instability of bis(trifluoromethylsulfonyl)imide based ionic liquids as solvents in high voltage electrolytes for potassium ion batteries

Polina Alexandrovna Morozova 1
Polina Alexandrovna Morozova
, 
Nikita Dmitrievich Luchinin 2
Nikita Dmitrievich Luchinin
, 
Dmitry Pavlovich Rupasov 1
Dmitry Pavlovich Rupasov
, 
Natalia S Katorova 1
Natalia S Katorova
,  , 
Victoria Andreevna Nikitina 1, 2
Victoria Andreevna Nikitina
, 
Keith J Stevenson 1
Keith J Stevenson
, 
10.1016/j.mencom.2020.09.043
Published 2020-08-31
Communication , Volume 30, Issue 5, 679-682
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Morozova P. A. et al. Electrochemical instability of bis(trifluoromethylsulfonyl)imide based ionic liquids as solvents in high voltage electrolytes for potassium ion batteries // Mendeleev Communications. 2020. Vol. 30. No. 5. pp. 679-682.
GOST all authors (up to 50) Copy
Morozova P. A., Luchinin N. D., Rupasov D. P., Katorova N. S., Fedotov S. S., Nikitina V. A., Stevenson K. J., Abakumov A. M. Electrochemical instability of bis(trifluoromethylsulfonyl)imide based ionic liquids as solvents in high voltage electrolytes for potassium ion batteries // Mendeleev Communications. 2020. Vol. 30. No. 5. pp. 679-682.
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TY - JOUR
DO - 10.1016/j.mencom.2020.09.043
UR - https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.09.043
TI - Electrochemical instability of bis(trifluoromethylsulfonyl)imide based ionic liquids as solvents in high voltage electrolytes for potassium ion batteries
T2 - Mendeleev Communications
AU - Morozova, Polina Alexandrovna
AU - Luchinin, Nikita Dmitrievich
AU - Rupasov, Dmitry Pavlovich
AU - Katorova, Natalia S
AU - Fedotov, Stanislav Sergeyevich
AU - Nikitina, Victoria Andreevna
AU - Stevenson, Keith J
AU - Abakumov, Artem Mikhailovich
PY - 2020
DA - 2020/08/31
PB - Mendeleev Communications
SP - 679-682
IS - 5
VL - 30
ER -
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@article{2020_Morozova,
author = {Polina Alexandrovna Morozova and Nikita Dmitrievich Luchinin and Dmitry Pavlovich Rupasov and Natalia S Katorova and Stanislav Sergeyevich Fedotov and Victoria Andreevna Nikitina and Keith J Stevenson and Artem Mikhailovich Abakumov},
title = {Electrochemical instability of bis(trifluoromethylsulfonyl)imide based ionic liquids as solvents in high voltage electrolytes for potassium ion batteries},
journal = {Mendeleev Communications},
year = {2020},
volume = {30},
publisher = {Mendeleev Communications},
month = {Aug},
url = {https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.09.043},
number = {5},
pages = {679--682},
doi = {10.1016/j.mencom.2020.09.043}
}
MLA
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MLA Copy
Morozova, Polina Alexandrovna, et al. “Electrochemical instability of bis(trifluoromethylsulfonyl)imide based ionic liquids as solvents in high voltage electrolytes for potassium ion batteries.” Mendeleev Communications, vol. 30, no. 5, Aug. 2020, pp. 679-682. https://mendcomm.colab.ws/publications/10.1016/j.mencom.2020.09.043.

Keywords

bis(trifluoromethylsulfonyl)imide
electrolyte testing
hard carbon anode
high voltage
high voltage electrolyte
ionic liquids
polyanionic cathode material
potassium ion battery

Abstract

The feasibility of four ionic liquids containing bis(trifluoromethylsulfonyl) imide anion with different cations, namely 1-butyl-1-methylpyrrolidinium, 1-butyl-3-methylimidazolium, 1-methyl-1-propylpyrrolidinium and 1-ethyl-3-methylpyridinium, as solvents in an electrolyte of potassium ion batteries has been examined in half-cells with Al, Al2O3 as well as with practical cathode and anode materials. In spite of the previous reports on stability of ionic liquids with this anion in the 5V limit, intrinsic electrochemical instability has been observed here both at high and low potentials, thus the investigated compounds can hardly be implemented in potassium ion cells due to their reactive nature.

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