电池模组冷却用池沸腾传热技术研究进展

Research progress in pool boiling heat transfer technology for battery module cooling

池沸腾作为一种高效的冷却方式,在电动汽车电池热管理系统(TMS)的应用中受到关注。传热系数(HTC)是池沸腾重要的热力学限制参数之一,直接影响池沸腾的传热性能。对影响池沸腾HTC的主要因素,如表面结构、饱和压力和表面湿润度等进行介绍,归纳提高池沸腾HTC的方法。综述将池沸腾冷却技术应用于电池模组TMS的研究进展,与传统的风冷、液冷和热管散热方式相比,池沸腾冷却效率大幅提高。对未来电动汽车电池模组的TMS研究方向进行展望,为池沸腾研究中HTC相关实验、池沸腾冷却技术应用于电池模组的冷却提供技术参考。

As an efficient cooling method,pool boiling had attracted attention in the application of electric vehicle battery thermal management system(TMS).The heat transfer coefficient(HTC)was one of the important thermodynamic limiting parameters of pool boiling,which directly affected the heat transfer performance of pool boiling.The main factors affecting pool boiling HTC,such as surface structure,saturation pressure and surface wettability,etc.,were introduced,the methods for improving pool boiling HTC were summarized.The research progress of pool boiling cooling technology applied to battery module TMS was reviewed,the pool boiling cooling efficiency was greatly improved compared with the traditional air-cooled,liquid-cooled and heat pipe heat dissipation methods.The future TMS research direction of electric vehicle battery modules was prospected,a technical reference for HTC-related experiments in pool boiling research and the application of pool boiling cooling technology to battery module cooling was provided.