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新能源汽车动力电池安全管理技术挑战与发展趋势分析 被引量:67

An Analysis on Challenge and Development Trend of Safety Management Technologies for Traction Battery in New Energy Vehicles
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摘要 动力电池安全管理是保证新能源汽车安全运行的重要手段,直接影响着整车耐久性和可靠性。本文从动力电池安全概念、关键技术和未来发展趋势3方面进行综述,将动力电池安全研究关键技术归纳为热失控的机理与控制措施和防护结构分别展开阐述,并对比剖析现有关键技术的成就及不足;针对当前动力电池安全管理所面临的挑战,提出未来电池安全管理发展趋势——从机理分析到系统优化设计,从被动安全防护到主动风险预测。 The safety management of traction battery is important means to ensure the safe operation of new energy vehicles,which directly affects the durability and reliability of vehicle.In this paper,three aspects,i.e.the safety concept,key technologies and futural development trend of traction battery are reviewed,in which the key technologies of battery safety including the mechanism and control measures of thermal runaway and protective structures are expounded respectively,with their achievements and inadequacies comparatively analyzed.Finally aiming at the challenges the current safety management of traction battery faces,the development trend of battery safety management in the future is given——from mechanism analysis to system design optimization and from passive safety protection to active safety prediction.
作者 王震坡 袁昌贵 李晓宇 Wang Zhenpo;Yuan Changgui;Li Xiaoyu(School of Mechanical Engineering,Beijing Institute of Technology,Beijing 100081;National Engineering Laboratory for Electric Vehicles,Beijing 100081;Collaborative Innovation Center for Electric Vehicles in Beijing,Beijing 100081)
出处 《汽车工程》 EI CSCD 北大核心 2020年第12期1606-1620,共15页 Automotive Engineering
基金 国家重点研发计划(2019YFB1600800)资助。
关键词 新能源汽车 动力电池 热失控 安全管理 new energy vehicles traction batteries thermal runaway safety management
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