Abstract
Vehicle crashes are one of the leading causes of catching fires in electrical vehicle accidents, while the mechanical intrusion caused failure of battery which is the most common cause of these fires. In order to reduce the risk of catching fires in electrical vehicle accidents, the crash failure threshold of battery module, which could be offered as an important design parameter in CAE analysis of battery systems’ safety, is needed to be well studied. So a test program based on drop tower was designed. A series of dynamic impact tests were performed in length direction, width direction, and thickness direction. Punch force, displacement of punch, as well as the voltage of the battery module were measured. Results showed that impact directions have great influences on mechanical characteristics, electric voltage, and crash failure threshold of battery module.
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Acknowledgements
The authors would like to express their sincere thanks to Mr. Guanhua Chen and Dr. Hailin Luo in TsingHua University for their help in the dynamic impact tests.
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Shi, F., Yu, H., Chen, X., Cui, T., Zhao, H., Shi, X. (2019). Mechanical Performance Study of Lithium-Ion Battery Module Under Dynamic Impact Test. In: (SAE-China), S. (eds) Proceedings of the 19th Asia Pacific Automotive Engineering Conference & SAE-China Congress 2017: Selected Papers. SAE-China 2017. Lecture Notes in Electrical Engineering, vol 486. Springer, Singapore. https://doi.org/10.1007/978-981-10-8506-2_1
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DOI: https://doi.org/10.1007/978-981-10-8506-2_1
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