Volume 44, Issue 11 pp. 8854-8864
RESEARCH ARTICLE

Simulation analysis of the influence of internal surface morphology of mini-channel on battery thermal management

Yi Yang

Yi Yang

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China

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Xiaoming Xu

Corresponding Author

Xiaoming Xu

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China

Correspondence

Xiaoming Xu, School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China.

Email: [email protected]

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Wenchao Li

Wenchao Li

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China

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Guangyao Tong

Guangyao Tong

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang, China

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First published: 11 June 2020
Citations: 11

Funding information: Foundation of State Key Laboratory of Automotive Simulation and Control, Grant/Award Number: 20180103; National key research and development program, Grant/Award Number: 2018YFC0810504; National Natural Science Foundation of China, Grant/Award Number: 51875259

Summary

Lithium-ion batteries, as the only source of driving force for electric vehicles (EV), directly determine the vehicle's power performance, driving mileage, and working stability. The performance, safety, and longevity of lithium-ion batteries are related to battery temperature. In this article, surface topography has been added in mini-channel liquid cooling plate, the influence of different shapes, different heights, different diameters, and different numbers of surface topography on the cooling effect of mini-channel liquid cooling plate were researched by using CFD method. This article revealed that the addition of surface topography in mini-channel can affect the flow trajectory of coolant and improve the cooling capacity of the cold plate. When five cylindrical surface topography with a diameter of 10 mm and a height of 1.5 mm were added in each channel, the highest temperature of the battery can be suppressed to 42.01°C and the maximum temperature difference can reach 15.78°C under 3C discharge rate, compared with the smooth mini-channel, decreased by 1.02°C and 0.85°C, respectively.

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