Engineering-Oriented Modeling for Thermal Behaviors of 18650 Li-ion Batteries

Ximing Cheng*, Nan Shi, Yang Li, Shouqun Wang

*此作品的通讯作者

科研成果: 期刊稿件会议文章同行评审

8 引用 (Scopus)

摘要

Because temperature takes a significant effect on both degradation and safety of Li-ion batteries, thermal models are often used to analyze their temperature distribution with cycling under varying operation conditions. In engineering, micro-element-based numerical models can be built by commercial software of thermal analysis, the heat generation rate of which was obtained only by a constant resistor as the internal resistance of a battery. In this paper, both surface temperature and state-of-charge of a battery are fed back to get model parameters interpolated to elaborate an oriented-application heat generation rate. This enhanced technique was developed in a routine and integrated into the thermo-electrical model in the commercial software Fluent®. Compared to the 1D and 2D thermal models, the thermo-electrical model produced the best simulated temperature of one 18650 Li-ion battery.

源语言英语
页(从-至)4757-4762
页数6
期刊Energy Procedia
105
DOI
出版状态已出版 - 2017
活动8th International Conference on Applied Energy, ICAE 2016 - Beijing, 中国
期限: 8 10月 201611 10月 2016

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引用此

Cheng, X., Shi, N., Li, Y., & Wang, S. (2017). Engineering-Oriented Modeling for Thermal Behaviors of 18650 Li-ion Batteries. Energy Procedia, 105, 4757-4762. https://doi.org/10.1016/j.egypro.2017.03.1036