Abstract
A passive thermal management system using copper metal foam saturated with phase change materials is designed for LiFePO4 battery pack. Copper metal foam is aimed to enhance low thermal conductivity of PCM and improve temperature uniformity of the battery pack. The thermal efficiency of the system is experimentally investigated and compared with two dissipation patterns of air cooling and pure PCM. The results show that the dissipation pattern of the foam-PCM composite can significantly reduce the battery’s surface temperature compared with the other two patterns. Moreover, the foam-PCM composite can bring the battery pack a better temperature uniformity, especially during the higher discharge rate.
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