A Study of the Thermal Management and Discharge Strategies of Lithium-Ion Batteries in a Wide Temperature Range

Kaixuan Li, Chen Sun, Mingjie Zhang, Shuping Wang, Bin Wei (), Yifeng Cheng, Xing Ju and Chao Xu ()
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Kaixuan Li: Key Laboratory of Power Station Energy Transfer Conversion and System of MOE, North China Electric Power University, Beijing 102206, China
Chen Sun: Key Laboratory of Power Station Energy Transfer Conversion and System of MOE, North China Electric Power University, Beijing 102206, China
Mingjie Zhang: China Electric Power Research Institute, Beijing 100192, China
Shuping Wang: State Grid Anhui Electric Power Research Institute, Hefei 230601, China
Bin Wei: China Electric Power Research Institute, Beijing 100192, China
Yifeng Cheng: State Grid Anhui Electric Power Research Institute, Hefei 230601, China
Xing Ju: Key Laboratory of Power Station Energy Transfer Conversion and System of MOE, North China Electric Power University, Beijing 102206, China
Chao Xu: Key Laboratory of Power Station Energy Transfer Conversion and System of MOE, North China Electric Power University, Beijing 102206, China

Energies, 2024, vol. 17, issue 10, 1-25

Abstract: The performance of lithium-ion batteries is greatly influenced by various factors within their operating environment, which can significantly impact their overall efficiency and effectiveness. In this paper, a multi-physics field electrochemical thermal model is established to measure the physical parameters of a battery module during the charge/discharge process. The effects of working temperature, current rate, and convective heat transfer coefficient are investigated by establishing an electrochemical and thermal model. The results are obtained by conducting numerous parameterized scans to analyze the system’s state across various operating conditions, enabling the determination of its temperature and the selection of appropriate cooling measures accordingly. Based on the internal and external conditions of battery operation, parameter selection corresponding to the operating range is divided into several stages, with thermal management strategies provided for each stage. The existing framework facilitates the design of battery packs equipped with efficient thermal management strategies, thereby enhancing the battery systems’ reliability and performance. Furthermore, it aids in establishing optimal operational and safety boundaries for batteries.

Keywords: lithium-ion battery; thermal management; electrochemical-thermal coupled model; heat transfer (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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