Journal article

Transport and thermodynamic properties of KFSI in TEP by operando Raman gradient analysis

Abstract:: Understanding and characterizing the transport and thermodynamic properties of electrolytes are critical for optimizing battery performance. In this study, we employ operando Raman gradient analysis (ORGA) to characterize the concentration-dependent diffusion coefficient, transference number, ionic conductivity, and thermodynamic factor of potassium bis(fluorosulfonyl)imide (KFSI) in triethyl phosphate (TEP), an ideal model system and one of the most promising K-ion battery electrolytes. ORGA demonstrates results consistent with conventional state-of-the-art methods while proving to be significantly more electrolyte- and time-efficient. Additionally, we probe, for the first time, the concentration-dependent transport and thermodynamic properties of KFSI-TEP, providing key parameters for K-ion battery modeling.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

Zhao, J., Jagger, B., Olbrich, L. F., Ihli, J., Dhir, S., Zyskin, M., Ma, X., & Pasta, M. (2024). Transport and thermodynamic properties of KFSI in TEP by operando Raman gradient analysis. ACS Energy Letters, 9, 1537–1544.

MLA Style

Zhao, J., et al. “Transport and Thermodynamic Properties of KFSI in TEP by Operando Raman Gradient Analysis.” ACS Energy Letters, vol. 9, American Chemical Society, 2024, pp. 1537–44.

Chicago Style

Zhao, J, B Jagger, LF Olbrich, J Ihli, S Dhir, M Zyskin, X Ma, and M Pasta. 2024. “Transport and Thermodynamic Properties of KFSI in TEP by Operando Raman Gradient Analysis.” ACS Energy Letters 9: 1537–44.
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Files:: Zhao_et_al_2024_Transport_and_thermodynamic.pdf

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Publisher copy:: 10.1021/acsenergylett.4c00661

Authors

+ Zhao, J More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Materials
Role:: Author

+ Jagger, B More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Materials
Role:: Author

+ Olbrich, LF More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Materials
Role:: Author

+ Ihli, J More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Materials
Role:: Author

+ Dhir, S More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Materials
Role:: Author

More authors...

Publisher:: American Chemical Society
Journal:: ACS Energy Letters More from this journal
Volume:: 9
Pages:: 1537-1544
Publication date:: 2024-03-14
Acceptance date:: 2024-03-08
DOI:: 10.1021/acsenergylett.4c00661
EISSN:: 2380-8195

Language:: English
Pubs id:: 1807178
Local pid:: pubs:1807178
Deposit date:: 2024-03-15

Terms of use

Copyright holder:: Zhao et al.
Copyright date:: 2024
Rights statement:: © 2024 The Authors. Published by American Chemical Society. This publication is licensed under CC-BY 4.0.

Licence:: CC Attribution (CC BY)

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