Magnetic Resonance
Magnetic Resonance
MR
Articles | Volume 6, issue 1
Articles | Volume 6, issue 1
https://doi.org/10.5194/mr-6-113-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/mr-6-113-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 6, issue 1
Research article
 | 
17 Apr 2025
Research article |  | 17 Apr 2025

Innovative L-band electron paramagnetic resonance investigation of solid-state pouch cell batteries

Charles-Emmanuel Dutoit, Raffaella Soleti, Jean-Marie Doux, Vincent Pelé, Véronique Boireau, Christian Jordy, Simon Pondaven, and Hervé Vezin

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Short summary
We have performed a low-frequency electron paramagnetic resonance (EPR) study on two (LiNi0.8Mn0.1Co0.1O2 (NMC)-Li-metal- and NMC-Si-based) solid-state batteries sealed inside an industrial and standard aluminum laminated pouch cell. We observed an EPR spectrum from Li metal, confirming the good penetration of the microwave field through the pouch. We think our approach provides valuable insight for the battery community, paving the way for the quality control of industrial and commercial batteries.
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