A flow-boiling battery temperature management system (BTMS) is considered a valid way to achieve heat dissipation of high-energy-density batteries at high charging and discharging rates due to its strong heat-transfer performance. A microchannel cooling plate with trapezoidal fins (TFMP) to introduce secondary flow between adjacent main channels is proposed in this study, as part of a flow-boiling BTMS to cool rectangular lithium-ion batteries. The results show that, as the inlet Reynolds of the coolant number inside the cooling plate increases from 25 to 825, the heat transfer mode of the coolant becomes from boiling heat transfer to single-phase convective heat transfer. Meanwhile, in the boiling heat-transfer mode, compared with traditional straight channels, as the long edge length of the trapezoidal fins, the width of the secondary channel, and the bottom angle of the fins increase, the temperature characteristics of the batteries, and the heat transfer performance and overall performance of the cooling plate are improved, while the flow resistance and entropy production of the cooling plate are also smaller. At a 3C discharge rate, when the Reynolds number is 450, the coolant is boiling heat-transfer mode, mainly, and the BTMS has the highest comprehensive performance. At this time, compared to traditional straight channel cooling plate, the heat transfer performance and the performance evaluation criterion of the TFMP are enhanced by 1.89 and 1.31 times, respectively, while the irreversible loss is only 64% of it, and the maximum temperature of the batteries ( ) in the BTMS is 34.03 °C, their maximum temperature difference ( ) is 2.51 °C, which is 2.55 and 1.37 °C lower than the BTMS with traditional straight channel cooling plate, respectively.
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Comprehensive performance study of boiling battery temperature management system with trapezoidal fins microchannel cooling plate
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December 2024
Research Article|
December 04 2024
Comprehensive performance study of boiling battery temperature management system with trapezoidal fins microchannel cooling plate
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Zhiguo Tang
;
Zhiguo Tang
(Conceptualization, Methodology, Writing – review & editing)
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
Search for other works by this author on:
Kuan Lu
;
Kuan Lu
(Data curation, Software, Writing – original draft)
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
Search for other works by this author on:
Yan Li
;
Yan Li
(Investigation, Visualization)
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
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Jianping Cheng
Jianping Cheng
a)
(Supervision, Validation)
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
a)Author to whom correspondence should be addressed: [email protected]
Search for other works by this author on:
Zhiguo Tang
Conceptualization, Methodology, Writing – review & editing
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
Kuan Lu
Data curation, Software, Writing – original draft
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
Yan Li
Investigation, Visualization
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
School of Mechanical Engineering, Hefei University of Technology
, Hefei 230041, China
a)Author to whom correspondence should be addressed: [email protected]
J. Renewable Sustainable Energy 16, 064102 (2024)
Article history
Received:
July 29 2024
Accepted:
November 12 2024
Citation
Zhiguo Tang, Kuan Lu, Yan Li, Jianping Cheng; Comprehensive performance study of boiling battery temperature management system with trapezoidal fins microchannel cooling plate. J. Renewable Sustainable Energy 1 December 2024; 16 (6): 064102. https://doi.org/10.1063/5.0231251
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