平板微热管阵列应用于锂电池散热的数值模拟研究  

Numerical Simulation Study on Heat Dissipation of Lithium Battery with Flat Micro Heat Pipe Array

作　　者：杨露露 王惠惠 徐洪波[1] 张慧慧 李鹏杰 田长青[1,2] YANG Lulu;WANG Huihui;XU Hongbo;ZHANG Huihui;LI Pengjie;TIAN Changqing(Key Laboratory of Space Energy Conversion Technology,Chinese Academy of Sciences,Technical Institute of Physics and Chemistry,Beijing 100190,China;University of Chinese Academy of Sciences,Beijing 100049,China;SONGZ Automobile Air Conditioning Co.Ltd.,Shanghai 201108,China;Shanghai New Energy Automotive Air Conditioning Engineering Technology Research Center,Shanghai 201108,China;No.208 Research institute of China Ordnance Industries,Beijing 102202,China)

机构地区：[1]中国科学院理化技术研究所,中国科学院空间功热转换技术重点实验室,北京100190 [2]中国科学院大学,北京100190 [3]上海加冷松芝汽车空调股份有限公司,上海201108 [4]上海新能源汽车空调工程技术研究中心,上海201108 [5]中国兵器装备集团兵器装备研究所,北京102202

出　　处：《制冷技术》2023年第3期30-35,共6页Chinese Journal of Refrigeration Technology

基　　金：国家重点研发计划(No.2018YFB0105400)。

摘　　要：本文将平板微热管阵列应用于锂电池散热,利用Fluent软件模拟电池单体及电池模块的温度场,结果表明:随着放电倍率的增加,电池产热量急剧增加,在自然对流条件下,电池单体以2C运行结束最高温度可达55.90℃;平板微热管阵列的应用可以有效降低电池模块温度和温差,电池模块以高倍率2C运行时,采用12根平板微热管阵列对称布置散热可使电池模块的最高温度降低12.34℃,温差减小3.81℃;微热管阵列对称布置可有效降低电池模块的温度不均匀性。The flat micro heat pipe array to the heat dissipation of lithium battery is applied in this papaer,and the Fluent software is used to simulate the temperature field of battery cell and battery module.The results show that with the increase of the discharge rate,the heat produced by the battery increases sharply.The maximum temperature of the battery cell working at 2C can reach 55.90℃under natural convection.The application of the flat micro heat pipe array can reduce the maximum temperature and improve the temperature uniformity characteristics of the battery module significantly.When the battery module operates at a high rate of 2C,the maximum temperature can be reduced by 12.34℃and the temperature difference can be reduced by 3.81℃by using the symmetrical arrangement of the array of 12 flat micro heat pipes for heat dissipation.The symmetrical arrangement of the micro heat pipe array can effectively reduce the temperature non-uniformity of battery module.

关 键 词：锂电池 平板微热管阵列 数值模拟 温度场 

分 类 号：TK172.4[动力工程及工程热物理—热能工程] TM912.9[电气工程—电力电子与电力传动]