Structural Design and Influencing Factor of Heat Radiation for&nbsp; Liquid-Cooled Lithium Ion Battery Module

XIE Yongdong; TANG Qiming; HE Zhigang; PAN Chaofeng; XU Xingzhen

doi:10.3969/j.issn.1001-2222.2020.03.012

Vehicle Engine >

2020 , Vol. 0 >Issue 3: 76 - 81

DOI: https://doi.org/10.3969/j.issn.1001-2222.2020.03.012

Structural Design and Influencing Factor of Heat Radiation for Liquid-Cooled Lithium Ion Battery Module

XIE Yongdong ,
TANG Qiming ,
HE Zhigang ,
PAN Chaofeng ,
XU Xingzhen

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(1.Suzhou Institute of Construction & Communications, Jiangsu Union Technical Institute，Suzhou215104，China；2.School of Automotive and Traffic Engineering,Jiangsu University,Zhenjiang 212013，China；3.Automotive engineering research institute,Jiangsu University,Zhenjiang212013，China)

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Abstract

To solve the heat radiation problem of lithium ion power battery in the discharge process, a thermal model was established based on a ternary battery module. The rise of module temperature was simulated and analyzed experimentally under different discharge rates. The U-shaped liquidcooled pipeline was designed and the liquidcooled model of battery module was established by combining with the actual heat problem after verifying the accuracy of thermal model. The comparison was then conducted between different cooling mediums and different cooling temperatures to analyze the cooling performance of lithium ion battery module. The research shows that the U-shaped liquid-cooled pipeline can meet the cooling and heat dissipation requirements of battery module. Coolant with high thermal conductivity and low temperature has better cooling performance.

Key words： lithium ion battery; coolant; coolant temperature

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XIE Yongdong , TANG Qiming , HE Zhigang , PAN Chaofeng , XU Xingzhen . Structural Design and Influencing Factor of Heat Radiation for Liquid-Cooled Lithium Ion Battery Module[J]. Vehicle Engine, 2020 , 0(3) : 76 -81 . DOI: 10.3969/j.issn.1001-2222.2020.03.012

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