An experimental study of thermal management system using copper mesh-enhanced composite phase change materials for power battery pack

Weixiong Wu, Xiaoqing Yang, Guoqing Zhang, Xiufang Ke, Ziyuan Wang, Wenfu Situ, Xinxi Li and Jiangyun Zhang

Energy, 2016, vol. 113, issue C, 909-916

Abstract: As an important method for battery thermal management, traditional phase change material (PCM) technology is facing challenges due to the relatively low thermal conductivity, weak skeleton strength and/or leakage phenomenon of PCM. Herein we develop a copper mesh (CM)-enhanced paraffin (PA)/expanded graphite (EG) composite as a composite PCM for battery thermal management. EG with porous structure can absorb liquid phase PA, preventing PA leakage. CM acts as a skeleton to further enhance both the thermal conductivity and strength of the whole module. As a result, the as-constructed CM enhanced PCM of PA/EG plate (PCMP) presents much better heat dissipation performance and temperature uniformity compared to PCMP without CM, especially in harsh working conditions. Moreover, with forced air convection, copper fins exposed from the composite may play a crucial role in not only heat dissipation, but also disturbing the air flow, and thus further strengthen the heat transfer capability.

Keywords: Battery thermal management; Copper mesh; Phase change material; Thermal performance (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (29)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:113:y:2016:i:c:p:909-916

DOI: 10.1016/j.energy.2016.07.119

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