新能源汽车动力电池热失控机理和安全风险管控方法的研究  

Research on Thermal Runaway Mechanism and Safety Risk Control Method of Power Battery in New-Energy Vehicles

作　　者：贾子润 王震坡[1,2] 王秋诗 黎小慧 孙逢春 Jia Zirun;Wang Zhenpo;Wang Qiushi;Li Xiaohui;Sun Fengchun(School of Mechanical Engineering,Beijing Institute of Technology,National Engineering Research Center for Electric Vehicles,Beijing 100081;Collaborative Innovation Center for Electric Vehicles in Beijing,Beijing 100081)

机构地区：[1]北京理工大学机械与车辆学院,电动车辆国家工程研究中心,北京100081 [2]北京电动车辆协同创新中心,北京100081

出　　处：《汽车工程》2022年第11期1689-1705,共17页Automotive Engineering

基　　金：国家自然科学基金(U21A20170和52072040)资助。

摘　　要：针对新能源汽车动力电池的热失控与安全风险问题,本文从热失控的诱发与反应机理出发,通过分析现有动力电池安全管控方法,归纳了动力电池安全问题的研究现状与最新进展,分析了当前动力电池安全管控研究中存在的主要问题,指出了新能源汽车安全风险管控技术发展趋势,旨在推动动力电池安全风险预警和管控技术提升,保障驾乘人员生命财产安全,消除消费者安全焦虑,促进新能源汽车产业发展。Aiming at the thermal runaway and safety risk of the power batteries for new energy vehicles,the research status quo and latest progress of power battery safety issues are summarized in this paper by analyzing the existing power battery safety control methods,proceeding from the induction and reaction mechanism of thermal runaway.The main problems existed in current power battery safety control research are analyzed,and the development trend of the safety risk control technology of new-energy vehicles is pointed out,so as to promote the enhancement of the warning and control technology of power battery safety risk,to ensure the life and property safety of drivers and passengers,and to eliminate the safety anxiety of consumers,promoting the development of new-energy vehicle industry.

关 键 词：新能源汽车 动力电池 热失控 安全管控 

分 类 号：U469.7[机械工程—车辆工程]