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Simulation and analysis of air cooling configurations for a lithium-ion battery pack
Journal of Energy Storage ( IF 9.4 ) Pub Date : 2021-01-22 , DOI: 10.1016/j.est.2021.102270
Xinke Li , Jiapei Zhao , Jinliang Yuan , Jiabin Duan , Chaoyu Liang

Lithium-ion batteries are widely used in electric vehicles (EVs) and hybrid electric vehicles (HEVs), in which proper measures have to be taken to ensure the batteries working with in a suitable temperature range. The air-cooling battery thermal management system (BTMS) is still a widely used solution for this purpose. Based on modeling and numerical simulation method, this paper aims to analyze and improve the cooling effect of the battery cells by optimizing the airflow configuration and layout employed in the U-type air-cooling BTMS. It is found that, for eighteen selected designs in the current study, the best cooling performance can be achieved when the number of both inlet and outlet manifolds is increased to be three. Further analysis is also carried out for the obtained optimum design to confirm its applicability in a wider range of total inlet airflow rates and temperatures.



中文翻译:

锂离子电池组空气冷却配置的仿真和分析

锂离子电池广泛用于电动汽车(EV)和混合动力电动汽车(HEV),在其中必须采取适当的措施以确保电池在合适的温度范围内工作。空冷电池热管理系统(BTMS)仍然是为此目的而广泛使用的解决方案。本文基于建模和数值模拟方法,旨在通过优化U型空冷BTMS的气流配置和布局来分析和改善电池的冷却效果。发现,对于当前研究中的18个选定设计,当进气歧管和排气歧管的数量都增加到三个时,可以获得最佳的冷却性能。

更新日期:2021-01-22
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