Optimal Design of Battery Pack Heat Dissipation Topology Considering the Zonal Maximum Temperature Under Transient Effects

GUO Weichao; DU Liang; XU Dong; HE Zhaorui; GAO Xinqin

doi:10.21656/1000-0887.450276

Volume 46 Issue 11

Nov. 2025

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Article Navigation > Applied Mathematics and Mechanics > 2025 > 46(11): 1403-1415

GUO Weichao, DU Liang, XU Dong, HE Zhaorui, GAO Xinqin. Optimal Design of Battery Pack Heat Dissipation Topology Considering the Zonal Maximum Temperature Under Transient Effects[J]. Applied Mathematics and Mechanics, 2025, 46(11): 1403-1415. doi: 10.21656/1000-0887.450276

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Optimal Design of Battery Pack Heat Dissipation Topology Considering the Zonal Maximum Temperature Under Transient Effects

doi: 10.21656/1000-0887.450276

School of Mechanical and Precision Instrument Engineering，Xi’an University of Technology，Xi’an 710048， P.R.China

Received Date: 2024-10-16
Rev Recd Date: 2024-12-11

Available Online: 2025-12-05

Abstract

Abstract

The heat dissipation degree of battery packs is a key factor affecting their stability, energy efficiency, and endurance, and is also one of the bottlenecks in the performances of new energy vehicle batteries. Aimed at the excessive maximum battery pack temperature and the consequent structure failure, and in view of the transient effects, a method representing the specific zonal maximum temperature of the structure, called the area temperature control function, was proposed. Meanwhile, a topology optimization model was established with the zonal maximum temperature as the optimization objective to minimize the zonal maximum temperature of the specific zone of the structure during working hours. Based on the adjoint variable method, the sensitivity analytical expression of the objective function based on design variables was derived. The optimization example results show that, the proposed method can effectively improve the heat dissipation efficiency, reduce the specific zonal maximum temperature and mitigate the temperature inhomogeneity, and has a broad application prospect in the field of new energy vehicles.
- transient effect,
- zonal temperature control function,
- topology optimization,
- battery pack heat dissipation

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References(22)

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