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2024 | OriginalPaper | Chapter

In-Situ Detection of Thermal Runaway Gases of Lithium-Ion Batteries Based on Fiber-Enhanced Raman Spectroscopy

Authors : Bing Luo, Dibo Wang, Qiang Liu, Tongqin Ran, Fu Wan

Published in: The Proceedings of the 18th Annual Conference of China Electrotechnical Society

Publisher: Springer Nature Singapore

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Abstract

Gas detection is an effective early warning method of thermal runaway of lithium-ion battery (LIB). This paper proposes a method for in-situ detection of LIB thermal runaway gases based on Raman spectroscopy. Firstly, the detection platform is developed and the limit of detection (LOD) is obtained. According to the LOD, the sensitivity of gas Raman spectroscopy detection is significantly improved by fiber-enhanced technology. Next, a thermal runaway monitored by the platform is performed. Benefiting from the unique advantage of simultaneous and non-destructive analysis of Raman spectroscopy, real-time and in-situ detection of multiple gases generated during LIB thermal runaway is realized. A warning time of 526 s is achieved by the detection of CO2 in the early stage of thermal runaway, which provides sufficient time for battery safety management as well as personnel evacuation, and demonstrates the potential of gas Raman spectroscopy detection in LIB thermal runaway gas analysis and fault warning.

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Literature
Metadata
Title
In-Situ Detection of Thermal Runaway Gases of Lithium-Ion Batteries Based on Fiber-Enhanced Raman Spectroscopy
Authors
Bing Luo
Dibo Wang
Qiang Liu
Tongqin Ran
Fu Wan
Copyright Year
2024
Publisher
Springer Nature Singapore
DOI
https://doi.org/10.1007/978-981-97-1064-5_33