Multi-Objective Optimization of Phase Change Coupled Thermal Management System Based on NSWOA
Yang Yang , Zhenhai Gao , Zehao Kang , Keyuan Shi , Peng Guo
Energy & Environmental Materials ›› 2026, Vol. 9 ›› Issue (1) : e70096
This study investigates phase change materials (PCMs) for lithium battery thermal management. A PCM cooling model was developed and experimentally validated, showing ≤1.5 K temperature error and ≤5% PCM melting simulation deviation. A non-uniform battery arrangement was proposed to optimize temperature distribution. Key PCM parameters (melting point, conductivity, latent heat) were analyzed for thermal performance. A hybrid liquid-PCM cooling system was designed and optimized via an entropy-weighted TOPSIS-NSWOA strategy. At 4 C discharge, the optimized system achieved 311.41 K maximum temperature (5.89 K reduction) and 4.71 K temperature difference, meeting 18 650 battery safety standards. The findings guide PCM selection and integrated thermal management design, balancing heat dissipation and temperature uniformity
batteries / modeling / simulation
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2025 The Author(s). Energy & Environmental Materials published by John Wiley & Sons Australia, Ltd on behalf of Zhengzhou University.
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