锂离子电池冷板式散热技术研究综述

A Review on Cold Plate Cooling Technology Research for Lithium-ion Batteries

锂离子电池在充放电过程中会产生大量热量,若温度过高,可能会导致电池失效或发生安全问题。锂离子电池冷板式散热作为电池冷却系统重要技术之一,对保障电池安全至关重要。首先系统地分析了冷板式液冷设计的相关方法,并对不同方法优缺点进行了对比。当前,锂离子电池热管系统主流冷却方式仍是液体冷却,其具有更高的散热效率,随着电池能量密度的提高,未来电动汽车热管理系统的发展趋势可能朝向混合冷却、系统化设计和智能化管理的方向发展。

During the charging and discharging process,lithium-ion batteries generate a large amount of heat.If the temperature is too high,it may cause battery failure or safety problems.As one of the most important technologies of battery cooling system,lithiumion battery cold plate cooling technology is significant to ensure battery safety.Firstly,this paper systematically analyzes the relevant methods of cold plate liquid cooling design,and compares the advantages and disadvantages of different methods.The mainstream cooling method for lithium-ion battery thermal management systems is currently liquid cooling,which boasts higher heat dissipation efficiency.With the increase in battery energy density,the future development trend of electric vehicle thermal management systems may move towards hybrid cooling,systematic design,and intelligent management.