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Conferences > CLEO_FS > 2023 > JTu2A > JTu2A.23

Nonintrusive Fiber Optic LIB Inner Gas Pressure Sensor Based on Characteristic Frequency Shift

Fan Cunzheng, Xu Mingkang, Deng Xin, Li Hao, Sun Yixiang, Shen Yue, Yan Zhijun, and Sun Qizhen

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Abstract

A nonintrusive lithium-ion battery(LIB) inner gas pressure monitoring via fiber optic vibration sensor is demonstrated with a sensitivity of 2.24kHz/MPa and R2 of 0.996. It provides a potential path for early-warning of LIBs thermal runaway.

© 2023 The Author(s)

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