摘要
针对锂离子电池在低温环境下其放电容量会发生衰退而需要预热的现状,建立了以电加热膜为外部热源的电池模组低温加热仿真模型,对比分析得出三种加热膜布置方案下的低温加热效果。仿真结果表明,当模组的侧面和底面同时布置加热膜时其温度一致性以及使用安全性均效果良好。仿真模型可以用于分析不同加热方案下的预热效果,为电池低温加热系统的开发提供了理论基础与指导思路。
Aiming at the situation that the discharge capacity of lithium-ion batteries will decline in low temperature environment, a low-temperature heating simulation model of battery module with electric heating film as external heat source was established. The simulation results show that the temperature uniformity and safety of the module are satisfactory when the electrothermal film is placed on both the side and the bottom. The simulation results can provide some guidance for the development of low temperature heating system.
作者
张祚铭
李强伟
张正杰
华旸
ZHANG Zuo-ming;LI Qiang-wei;ZHANG Zheng-jie;HUA Yang(School of Transportation Science and Engineering,Beihang University,Beijing 100191,China)
出处
《计算机仿真》
北大核心
2021年第5期85-89,共5页
Computer Simulation
基金
国家重点研发计划课题项目(2018YFB0106200)。
关键词
电动汽车
锂离子电池
预热
电加热膜
有限元仿真
Electric vehicle
Lithium-Ion battery
Pre-heating
Electrothermal film
Finite element simulation
