Design and Optimization of Thermal Management Systems for Lithium-ion Battery Module Based on Electro-thermal Model

被引：1
|
作者：
Jiang S. [1 ]
He Z. [1 ]
Wen H. [1 ]
机构：
[1] School of Mechanical and Electronic Engineering of Nanchang University, Nanchang
来源：
Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2018年 / 29卷 / 15期
关键词：
Battery module; Design and optimization; Electro-thermal model; Thermal management system;
D O I：
10.3969/j.issn.1004-132X.2018.15.012
中图分类号：
学科分类号：
摘要：
Because of the uneven heat generation in battery module, the temperature rose differently and the working performances decreased. Thus the heat generation mechanism would be studied so that the electro-thermal model might be established, then the regularities of current density and heat generation rate distribution in stacks might be got. Battery module was simulated at different discharge rates based on those regularities, and coolant velocity was calculated based on cooling requests(temperature was between 25 ℃ and 40 ℃, temperature difference was below 5 ℃) and thermophysical parameter, then the cooling system might be designed. Simulation results of battery modules of several cool plates of different thickness were studied in different discharge rates, a best thickness(0.5 mm) of cool plate is found. At last, the cooling system was optimized based on original simulation results, and the optimized cooling system has better temperature uniformity. © 2018, China Mechanical Engineering Magazine Office. All right reserved.
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页码：1847 / 1853
页数：6
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