动力电池用拓扑优化冷板散热特性研究  

Study of Topology Optimized Cold Plate Heat Dissipation Characteristics for Power Batteries

作　　者：明廷臻[1] 李泽昊 职聪聪 谭罡风[2] 吴永佳 MING Ting-zhen;LI Ze-hao;ZHI Cong-cong;TAN Gang-feng;WU Yong-jia(School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China;School of Automotive Engineering,Wuhan University of Technology,Wuhan 430070,China)

机构地区：[1]武汉理工大学土木工程与建筑学院,武汉430070 [2]武汉理工大学汽车工程学院,武汉430070

出　　处：《武汉理工大学学报》2024年第9期136-143,共8页Journal of Wuhan University of Technology

基　　金：国家自然科学基金青年项目(52208124);湖北省重点研发项目(2020BAB129)。

摘　　要：为解决电动汽车动力电池热管理问题,利用拓扑优化技术构建了一种液冷散热冷板,搭建了动力电池液冷散热系统实验平台。冷板可将电池温度快速稳定在20~40℃范围内,2C放电倍率,5℃条件下,184 s后电池温度由5℃上升至20℃,40℃条件下,46 s后电池温度由40℃下降至30℃。3C放电倍率下,电池放电结束时冷板散热电池表面的平均温度为34.66℃,无冷板散热电池表面的平均温度为45.96℃。This paper uses topology optimization technology to construct a liquid-cooled heat dissipation cold plate in order to address the thermal management issue with power batteries in electric vehicles.It then builds an experimental platform for the power battery's liquid-cooled heat dissipation system based on this topology optimized cold plate and examines its heat dissipation characteristics.The experimental findings demonstrate the cold plate's outstanding heat dissipation capabilities and ability to rapidly stabilize battery temperature at 20~40℃.At 2C discharge multiplication,the battery temperature rose from 5℃ to 20℃ after 184 seconds at 5℃ and dropped from 40℃ to 30℃ after 46 seconds at 40℃.At 3C discharge multiplication,the average temperature of the battery's surface with cold plate heat dissipation at the end of battery discharge was 34.66℃,the average temperature of the battery's surface without cold plate heat dissipation was 45.96℃.

关 键 词：动力电池散热 拓扑优化 液冷冷板 电池热管理系统 

分 类 号：TK172[动力工程及工程热物理—热能工程]