【摘要】 电池组热管理系统的研究与开发对于电动汽车的安全可靠运行有着非常重要的意义。本文分析了温度对电池组性能和寿命的影响,概括了电池组热管理系统的功能,介绍了电池组热管理系统设计的一般流程,并对设计热管理系统提出了建议。文章重点分析了设计电池组热管理系统过程中的关键技术,包括电池最优工作温度范围的确定、电池生热机理研究、热物性参数的获取、电池组热场计算、传热介质的选择、散热结构的设计等。更多还原

【Abstract】 Research and development of battery thermal management system (BTMS) is very important for the operation safety and reliability of electric vehicle (EV).In this paper,by analyzing the influence of temperature on the performance and service life of batteries,the desired function of a BTMS was outlined,a procedure for designing BTMS was introduced.Several key technologies during designing a BTMS were introduced and analyzed,including optimum operating temperature range of a battery,heat generation mechanism,acquisition of the thermodynamic parameters,calculation of temperature distribution,selection of heat transfer medium,design of cooling structure and so on.更多还原