ArticleMagnetic resonance (Gottingen, Germany)2025
Innovative L-band electron paramagnetic resonance investigation of solid-state pouch cell batteries.
Article in Magnetic resonance (Gottingen, Germany), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Innovative L-band electron paramagnetic resonance investigation of solid-state pouch cell batteries.Magnetic resonance (Gottingen, Germany) · 2025Article
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8 authors.
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Abstract
Usually, conventional electron paramagnetic resonance (EPR) spectroscopy and imaging employ a microwave cavity operating at X-band, i.e., with an excitation frequency of around 9.6 GHz, and this remains the most popular mode for the magnetic characterization of lithium batteries to date. Here, we provide the first low-frequency EPR investigations with respect to monitoring the metallic lithium structures in solid-state pouch cell batteries. We show that L-band, i.e., a microwave frequency of around 1.01 GHz, is an invaluable method to probe the electrode components directly through a standard pouch cell using aluminum-laminated film for packaging without opening the battery. These results offer a new approach for monitoring the nucleation of micrometric and submicrometric lithium particles, such as dendritic lithium structures, and is an important step in the development of reliable solid-state batteries.
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