工程科学学报，第40卷，第1期：120-126,2018年1月 Chinese Journal of Engineering,Vol.40,No.I:120-126,January 2018 DOI:10.13374/j.issn2095-9389.2018.01.015;http://journals.ustb.edu.cn 微热管阵列应用于锂电池模块的散热实验 叶欣)，赵耀华12)，全贞花2)四，王岗)，刘鸿德)，迟远英2,3) 1)北京工业大学建筑工程学院，北京1001242)北京未来网络科技高精尖创新中心，北京100124 3)北京工业大学经济与管理学院，北京100124 区通信作者，E-mail:quanzh@126.cm 摘要锂离子电池在大功率应用下的热控制和热管理已成为制约电动汽车商业化的瓶颈，为解决此问题，运用微热管阵列 设计锂电池模块散热系统，在开放条件下对电池模块进行恒流18A(1C)和36A(2C)充放电测试，通过测量布置微热管阵列 前后电池表面温度可知：在1C和2C充放电倍率下，散热系统能够有效的降低电池模块的温度及电池间温度差异，将温度和 温度差值分别控制在40℃与5℃之内.可以解决温度对电池寿命和容量的影响问题.基于实验数据，对其中一2C工况热量 进行了计算，得到通过微热管阵列的对流散热量达到模块生热量的40% 关键词锂电池；微热管阵列；热传导：温度；优化 分类号TM912.9 Experiment on heat dispersion of lithium-ion battery based on micro heat pipe array YE Xin,ZHAO Yao-hua2),QUAN Zhen-hua.,WANG Gang,LIU Hong-de),CHI Yuan-ying2.3) 1)College of Architecture and Civil Engineering,Beijing University of Technology,Beijing 100124,China 2)Scientific Research Project of Beijing Advanced Innovation Center for Future Internet Technology,Beijing 100124,China 3)College of Economics and Management,Beijing University of Technology,Beijing 100124,China Corresponding author,E-mail:quanzh@126.com ABSTRACT The thermal control and heat management of lithium-ion (Li-ion)batteries in high-power applications remains a chal- lenge to be addressed before widespread commercialization.To solve the problem,micro heat pipe array (MHPA)is used to design Li- ion battery packs cooling system.Experiments were conducted utilizing Li-ion battery packs under open conditions with constant current of 18 A(IC)and 36A(2C).The temperatures were measured with and without micro heat pipe arrays during the charge-discharge cy- cle.At the rates of I C and 2C,the temperature results of the Li-ion battery packs validate the effectiveness of the functional heat con- ducting material-MHPA in lowering the temperature of the battery packs,as well as the temperature difference inside the packs,the temperature and temperature difference could be controlled within 40C and 5C respectively.Thus,they preliminarily solve the influ- ence of temperature on battery life and capacity.Based on the experimental data,the heat in one of the 2C working conditions was cal- culated,and the convection heat dissipation by MHPA reached 40%of the heat generation in the pack. KEY WORDS lithium-ion battery;micro heat pipe array;heat conduction;temperature;optimization 纯电动汽车(EVs)和混合动力电动汽车 车市场的增大，需求比功率高和比能量密度高的电 (HEVs)以其高效率、近零排放等优点从传统的运 池，满足电动汽车的运行要求[).然而，大规格电池 输行业中脱颖而出，具有明显的环保和节能优势，是 模块在快速充放电循环时，会伴随不同的化学和电 适合解决未来交通问题的长远方案).由于电动汽 化学反应[3-]，产生大量热量，导致安全、过热、燃 收稿日期：2017-04-20 基金项目：智慧能源视角下北京市能源产业优化和大气污染治理协同发展研究资助项目(S201510005002)工程科学学报,第 40 卷,第 1 期:120鄄鄄126,2018 年 1 月 Chinese Journal of Engineering, Vol. 40, No. 1: 120鄄鄄126, January 2018 DOI: 10. 13374 / j. issn2095鄄鄄9389. 2018. 01. 015; http: / / journals. ustb. edu. cn 微热管阵列应用于锂电池模块的散热实验 叶 欣1) , 赵耀华1,2) , 全贞花1,2)苣 , 王 岗1) , 刘鸿德1) , 迟远英2,3) 1) 北京工业大学建筑工程学院, 北京 100124 2) 北京未来网络科技高精尖创新中心, 北京 100124 3) 北京工业大学经济与管理学院, 北京 100124 苣通信作者, E鄄mail:quanzh@ 126. com 摘 要 锂离子电池在大功率应用下的热控制和热管理已成为制约电动汽车商业化的瓶颈,为解决此问题,运用微热管阵列 设计锂电池模块散热系统,在开放条件下对电池模块进行恒流 18 A(1 C)和 36 A(2 C)充放电测试,通过测量布置微热管阵列 前后电池表面温度可知:在 1 C 和 2 C 充放电倍率下,散热系统能够有效的降低电池模块的温度及电池间温度差异,将温度和 温度差值分别控制在 40 益与 5 益之内,可以解决温度对电池寿命和容量的影响问题. 基于实验数据,对其中一 2 C 工况热量 进行了计算,得到通过微热管阵列的对流散热量达到模块生热量的 40% . 关键词 锂电池; 微热管阵列; 热传导; 温度; 优化 分类号 TM 912郾 9 收稿日期: 2017鄄鄄04鄄鄄20 基金项目: 智慧能源视角下北京市能源产业优化和大气污染治理协同发展研究资助项目(SZ201510005002) Experiment on heat dispersion of lithium鄄ion battery based on micro heat pipe array YE Xin 1) , ZHAO Yao鄄hua 1, 2) , QUAN Zhen鄄hua 1, 2)苣 , WANG Gang 1) , LIU Hong鄄de 1) , CHI Yuan鄄ying 2, 3) 1) College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China 2) Scientific Research Project of Beijing Advanced Innovation Center for Future Internet Technology, Beijing 100124, China 3) College of Economics and Management, Beijing University of Technology, Beijing 100124, China 苣Corresponding author, E鄄mail: quanzh@ 126. com ABSTRACT The thermal control and heat management of lithium鄄ion (Li鄄ion) batteries in high鄄power applications remains a chal鄄 lenge to be addressed before widespread commercialization. To solve the problem, micro heat pipe array (MHPA) is used to design Li鄄 ion battery packs cooling system. Experiments were conducted utilizing Li鄄ion battery packs under open conditions with constant current of 18 A(1 C) and 36A(2 C). The temperatures were measured with and without micro heat pipe arrays during the charge鄄鄄discharge cy鄄 cle. At the rates of 1 C and 2 C, the temperature results of the Li鄄ion battery packs validate the effectiveness of the functional heat con鄄 ducting material鄄MHPA in lowering the temperature of the battery packs, as well as the temperature difference inside the packs, the temperature and temperature difference could be controlled within 40 益 and 5 益 respectively . Thus, they preliminarily solve the influ鄄 ence of temperature on battery life and capacity. Based on the experimental data, the heat in one of the 2 C working conditions was cal鄄 culated, and the convection heat dissipation by MHPA reached 40% of the heat generation in the pack. KEY WORDS lithium鄄ion battery; micro heat pipe array; heat conduction; temperature; optimization 纯 电 动 汽 车 ( EVs) 和 混 合 动 力 电 动 汽 车 (HEVs)以其高效率、近零排放等优点从传统的运 输行业中脱颖而出,具有明显的环保和节能优势,是 适合解决未来交通问题的长远方案[1] . 由于电动汽 车市场的增大,需求比功率高和比能量密度高的电 池,满足电动汽车的运行要求[2] . 然而,大规格电池 模块在快速充放电循环时,会伴随不同的化学和电 化学反应[3鄄鄄4] ,产生大量热量,导致安全、过热、燃