Decoupling internal safety parameters during Li-ion pouch cell operation by high-birefringent optical fiber sensors

Micael Nascimento; Lucca Matuck; Sylvie Genies; Romain Franchi; Marco Ranieri; Pierre Balfet; Olivier Raccurt; João L. Pinto

doi:10.1117/12.3016252

20 June 2024 Decoupling internal safety parameters during Li-ion pouch cell operation by high-birefringent optical fiber sensors

Micael Nascimento, Lucca Matuck, Sylvie Genies, Romain Franchi, Marco Ranieri, Pierre Balfet, Olivier Raccurt, João L. Pinto

Author Affiliations +

Proceedings Volume 12999, Optical Sensing and Detection VIII; 1299925 (2024) https://doi.org/10.1117/12.3016252
Event: SPIE Photonics Europe, 2024, Strasbourg, France

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Abstract

This work presents the development and application of high-birefringent optical fiber sensors for the internal monitoring of Li-ion pouch cells during their operation. The instrumented optical fiber sensing configuration simultaneously discriminates and tracks temperature and strain shifts at different and consecutive cycling operation conditions which includes a Worldwide Harmonised Light Vehicle Test Procedure. A correlation of the strain data sensed by the optical fiber sensors with the Differential Voltage Analysis of the cell is performed. This study is integrated into the INSTABAT EU-project, and it demonstrates the potential of this advanced technology based on optical fiber in the field of Li-ion cell monitoring, making a substantial contribution to the development of more sustainable energy solutions by improving their safety issues and evaluating their performance in real-time.

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Micael Nascimento, Lucca Matuck, Sylvie Genies, Romain Franchi, Marco Ranieri, Pierre Balfet, Olivier Raccurt, and João L. Pinto "Decoupling internal safety parameters during Li-ion pouch cell operation by high-birefringent optical fiber sensors", Proc. SPIE 12999, Optical Sensing and Detection VIII, 1299925 (20 June 2024); https://doi.org/10.1117/12.3016252

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