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Influence mechanism of battery thermal management with flexible flame retardant composite phase change materials by temperature aging

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  • Deng, Jian
  • Huang, Qiqiu
  • Li, Xinxi
  • Zhang, Guoqing
  • Li, Canbing
  • Li, Songbo

Abstract

The phase change immigration of flame retardant Composite Phase Change Material (CPCM), especially the temperature aging effect during multicycle process, greatly restricted its application in power battery pack of electric vehicle and energy storage system. In this study, the properties of flexible flame-retardant CPCMs before and after temperature aging were investigated, and the battery thermal management effects of battery modules were compared. The results revealed that flexible CPCMs with styrene block copolymers exhibited little volume change owing to their elastic and anti-leakage properties, effectively alleviating flow and agglomeration. In addition, battery modules with flexible flame-retardant CPCMs exhibited prominent battery thermal management. These mechanisms in flame-retardant CPCMs can profoundly affect the design and preparation of multifunction CPCMs, providing novel insights into passive thermal management of battery systems.

Suggested Citation

  • Deng, Jian & Huang, Qiqiu & Li, Xinxi & Zhang, Guoqing & Li, Canbing & Li, Songbo, 2024. "Influence mechanism of battery thermal management with flexible flame retardant composite phase change materials by temperature aging," Renewable Energy, Elsevier, vol. 222(C).
    • Handle: RePEc:eee:renene:v:222:y:2024:i:c:s0960148123018372
    DOI: 10.1016/j.renene.2023.119922
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