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- Title
A Study of the Thermal Management and Discharge Strategies of Lithium-Ion Batteries in a Wide Temperature Range.
- Authors
Li, Kaixuan; Sun, Chen; Zhang, Mingjie; Wang, Shuping; Wei, Bin; Cheng, Yifeng; Ju, Xing; Xu, Chao
- 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.
- Subjects
LITHIUM-ion batteries; HEAT convection; HEAT transfer coefficient; RELIABILITY in engineering; SCANNING systems
- Publication
Energies (19961073), 2024, Vol 17, Issue 10, p2319
- ISSN
1996-1073
- Publication type
Article
- DOI
10.3390/en17102319