基于相变材料和液体换热的锂电池热管理系统设计  

Design of Thermal Management System for Lithium Batteries Based on Phase Change Materials and Liquid Heat Exchange

作　　者：孔得朋[1] 杜金[1] 平平 KONG Depeng;DU Jin;PING Ping(Center for Offshore Engineering and Safety Technology,China University of Petroleum(East China),Qingdao 266580,Shandong,China;College of Chemical Engineering,China University of Petroleum(East China),Qingdao 266580,Shandong,China)

机构地区：[1]中国石油大学(华东)海洋油气装备及安全技术研究中心,山东青岛266580 [2]中国石油大学(华东)化学工程学院,山东青岛266580

出　　处：《实验室研究与探索》2020年第9期66-69,共4页Research and Exploration In Laboratory

基　　金：国家自然基金青年项目(51604297);山东省重点研发计划(2018GSF120011)。

摘　　要：针对锂电池在极端温度下容易引发电池性能衰退及寿命衰减,甚至导致热失控的问题,设计了一种能够应对不同环境温度的锂电池热管理系统。该系统主要由主控、监测、换热等模块组成,能够实时监测锂电池组的工作状态和温度数据,并通过液体循环与相变材料(PCM)耦合的换热系统自主调节电池组温度,从而使电池组维持在合理的工作温度范围。测试结果表明,在极端高低温环境下,该系统能够在短时间内有效调节锂电池组的内部温度,提高电池组的工作效率,延长使用寿命。A lithium batteries thermal management system of coping with different environmental temperatures is designed to overcome the problem of battery performance degradation caused by lithium batteries at extreme temperatures.The system is mainly composed of main control,monitoring,heat exchange and others.According to the working state and temperature,the heat exchange system combines with the liquid phase heat exchange and the PCM to independently adjust the temperature of the battery pack,making the battery pack maintain a reasonable operating temperature range.Tests show that the system can effectively adjust the internal temperature of the battery pack in a short time,improve the efficiency of the battery pack and prolong the service life.

关 键 词：锂电池 热管理系统 相变材料 液体换热 

分 类 号：TM912[电气工程—电力电子与电力传动]