Research on Performance Optimization of Liquid Cooling and Composite Phase Change Material Coupling Cooling Thermal Management System for Vehicle Power Battery

被引：9
作者：
Wu, Gang [1 ,2 ]
Liu, Feng [1 ,2 ]
Li, Sijie [1 ,2 ]
Luo, Na [1 ,2 ]
Liu, Zhiqiang [1 ,2 ]
Li, Yuqaing [2 ,3 ]
机构：
[1] Changsha Univ Sci & Technolog, Changsha 410114, Peoples R China
[2] Hunan Prov Key Lab Intelligent Mfg Technol High P, Changsha 410114, Peoples R China
[3] Cent South Univ, Changsha 410083, Peoples R China
来源：
JOURNAL OF RENEWABLE MATERIALS | 2023年 / 11卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Power battery; thermal management; phase change materials; liquid cooling; LITHIUM-ION BATTERY;
D O I：
10.32604/jrm.2022.022276
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The serpentine tube liquid cooling and composite PCM coupled cooling thermal management system is designed for 18650 cylindrical power batteries, with the maximum temperature and temperature difference of the power pack within the optimal temperature operating range as the target. The initial analysis of the battery pack at a 5C discharge rate, the influence of the single cell to cooling tube distance, the number of cooling tubes, inlet coolant temperature, the coolant flow rate, and other factors on the heat dissipation performance of the battery pack, initially determined a reasonable value for each design parameter. A control strategy is used to regulate the inlet flow rate and coolant temperature of the liquid cooling system in order to make full use of the latent heat of the composite PCM and reduce the pump's energy consumption. The simulation results show that the maximum battery pack temperature of 309.8 K and the temperature difference of 4.6 K between individual cells with the control strategy are in the optimal temperature operating range of the power battery, and the utilization rate of the composite PCM is up to 90%.
引用
收藏
页码：707 / 730
页数：24
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