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Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs
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Xinsheng Li1, 3, Teng Jia2, 3, Yao Zhao2, 3, Shan Jiang2, 3, Yanjun Dai2, 3
Journal of Refrigeration | 2025, 46(3) : 84 - 90
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Journal of Refrigeration | 2025, 46(3): 84-90
Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs
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Xinsheng Li1, 3, Teng Jia2, 3, Yao Zhao2, 3, Shan Jiang2, 3, Yanjun Dai2, 3
Affiliations
  • 1.China-UK Low Carbon College, Shanghai Jiao Tong University, Shanghai, 201306, China
  • 2.Institute of Refrigeration and Cryogenic Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
  • 3.Engineering Research Center of Solar Power and Refrigeration, MOE, Shanghai, 200240, China
Published: 2025-06-16 doi: 10.12465/j.issn.0253-4339.2025.03.084
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As the power density of lithium-ion batteries continues to increase and high-power fast-charging technologies emerge, the development of battery thermal management systems has become an important and challenging area of research. In this study, a direct-cooling thermal management system for multi-box battery packs using roll-bond cold plates was presented, and the performance of the system was experimentally investigated under different operating conditions. The experimental results show that at a charging rate of 0.5 C and a compressor speed of 2 400 r/min, the average coefficient of performance (COP) of the system can reach 5.83, the maximum dimensionless loss coefficient of the cold plate is 6.27%, and the maximum temperature difference between the cold plates is 1.90 ℃. Notably, the temperature difference between the plates escalates with increasing compressor speed and the thermal load on the cold plate, reaching a maximum value of 3.99 ℃ during the tests. Concurrently, the COP of the system showed a decreasing trend with the compressor speed, reaching a maximum value of 7.41 throughout the duration of the experiments.

thermal management system  /  direct cooling  /  multi-box battery packs  /  coefficient of performance
Xinsheng Li, Teng Jia, Yao Zhao, Shan Jiang, Yanjun Dai. Experimental Research on Direct Cooling Thermal Management System for Multi-Box Battery Packs[J]. Journal of Refrigeration, 2025 , 46 (3) : 84 -90 . DOI: 10.12465/j.issn.0253-4339.2025.03.084
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Article Info
doi: 10.12465/j.issn.0253-4339.2025.03.084
  • Receive Date：2024-03-04
  • Online Date：2026-03-13
  • Published：2025-06-16
Article Data
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History
  • Received：2024-03-04
  • Revised：2024-03-26
  • Accepted：2024-04-19
Affiliations
    1.China-UK Low Carbon College, Shanghai Jiao Tong University, Shanghai, 201306, China
    2.Institute of Refrigeration and Cryogenic Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
    3.Engineering Research Center of Solar Power and Refrigeration, MOE, Shanghai, 200240, China

Corresponding:

Dai Yanjun, male, Ph. D., professor, Institude of Refrigeration and Cryogenics, Shanghai Jiao Tong University, 86-21-34204358, E-mail: . Research fields: solar energy utilization and building energy efficiency, heat pump system.
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