Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 5, issue 2
Articles | Volume 5, issue 2
https://doi.org/10.5194/mr-5-167-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-5-167-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 5, issue 2
Research article
 | 
20 Nov 2024
Research article |  | 20 Nov 2024

Workflow for systematic design of electrochemical in operando NMR cells by matching B0 and B1 field simulations with experiments

Michael Schatz, Matthias Streun, Sven Jovanovic, Rüdiger-A. Eichel, and Josef Granwehr

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Cited articles

Aguilera, A. R., MacMillan, B., Krachkovskiy, S., Sanders, K. J., Alkhayri, F., Adam Dyker, C., Goward, G. R., and Balcom, B. J.: A parallel-plate RF probe and battery cartridge for 7Li ion battery studies, J. Magn. Reson., 325, 106943, https://doi.org/10.1016/j.jmr.2021.106943, 2021. a
Bazak, J. D., Allen, J. P., Krachkovskiy, S. A., and Goward, G. R.: Mapping of Lithium-Ion Battery Electrolyte Transport Properties and Limiting Currents with In Situ MRI, J. Electrochem. Soc., 167, 140518, https://doi.org/10.1149/1945-7111/abc0c9, 2020. a, b
Benders, S., Gomes, B. F., Carmo, M., Colnago, L. A., and Blümich, B.: In-situ MRI velocimetry of the magnetohydrodynamic effect in electrochemical cells, J. Magn. Reson., 312, 106692, https://doi.org/10.1016/j.jmr.2020.106692, 2020. a
Bhattacharyya, R., Key, B., Chen, H., Best, A. S., Hollenkamp, A. F., and Grey, C. P.: In situ NMR observation of the formation of metallic lithium microstructures in lithium batteries, Nat. Mater., 9, 504–510, https://doi.org/10.1038/nmat2764, 2010. a
Borzutzki, K. and Brunklaus, G.: Chapter Three – Magnetic Resonance Imaging Studies of the Spatial Distribution of Charge Carriers, in: Annual Reports on NMR Spectroscopy, edited by: Webb, G. A., Vol. 91, 115–141, Academic Press, ISBN 0066-4103, https://doi.org/10.1016/bs.arnmr.2016.12.003, 2017. a
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We developed a workflow using finite element methods to optimise electrochemical cell designs for in operando nuclear magnetic resonance by accurately matching magnetic field and radio frequency field simulations with experimental data. Guidelines for enhanced sensitivity and field homogeneity are given. A radio frequency amplification effect in coin cells is described by empirical formulae, which have the potential to improve spatial selectivity in future in operando applications.
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