Investigations on a novel cold plate achieved by topology optimization for lithium-ion batteries

Chao Guo, Huan-ling Liu, Qi Guo, Xiao-dong Shao and Ming-liang Zhu

Energy, 2022, vol. 261, issue PA

Abstract: A necessary research topic about thermal management design of lithium-ion batteries has been attracted extensive attentions. A novel cold plate designed by topology optimization method for lithium-ion batteries under 3 C discharge rate is proposed in this paper. Different types of topology mini-channel models are obtained by using double objective optimization functions. The numerical simulation is realized by three-dimensional electrochemical-thermal coupling model in COMSOL Multiphysics 5.4. The effects of cold plate type, channel depth and mass flow rate on lithium-ion batteries are studied, and the cooling performance is evaluated. Compared with the straight mini-channel, the topology mini-channel cooling performance can be improved by 61.82%. The topology mini-channel with four stagger-inlet, flow depth of 4 mm, inlet width of 6 mm and mass flow rate of 3 × 10−3 kg s−1 is considered as the best choice for cooling 20 Ah pouch type LiFePO4 battery, and the pressure drop, j/f factor and heat transfer coefficient are 17.5 Pa, 0.41 and 1068.55 W m−2 K−1, respectively. Finally, the optimal topology configuration is tested experimentally, and the experimental results prove the correctness of the simulation results.

Keywords: Lithium-ion battery; Topology optimization; Thermal management system; Cold plate (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:261:y:2022:i:pa:s0360544222019922

DOI: 10.1016/j.energy.2022.125097

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