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锂离子电池热失控监测参数研究综述 被引量:1

A review of thermal runaway monitoring parameters of lithium-ion batteries
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摘要 锂离子电池因其能量密度高、自放电率低、循环寿命长、输出功率大等优点被广泛应用于储能领域,然而由于其不稳定性导致储能事故频发。从热失控-火灾蔓延角度出发,对热失控机理进行探究,基于产气成分及含量、膨胀力、表面温度、电压变化等热失控特征参数,对现有的磷酸铁锂体系电池早期预警(外部)方式进行综述,在此基础上,提出未来电池热失控早期预警(外置)的发展思路,为锂电池热失控早期监控及预警提供思路。 Lithium ion battery is widely used in energy storage field because of its advantages of high energy density,low self dis-charge rate,long cycle life and large output power.However,due to its intrinsic instability,more and more accidents occur fre-quently in energy storage.From the point of view of thermal run-away and fire propagation,this paper explores the mechanism of thermal runaway.Based on the characteristics of thermal runaway such as gas generation composition and content,expansion force,surface temperature and voltage-drop,the existing early warning(external)methods are summarized.On this basis,the develop-ment idea of early warning(external)of battery thermal runaway in the future is proposed,which provides ideas for early monitor-ing and early warning of thermal runaway of lithium battery.
作者 王芳 陈文涛 马彪 刘仕强 Wang Fang;Chen Wentao;Ma Biao;Liu Shiqiang(China Automotive Technology&Research Center,Tian-jin 300300,China;CATARC New Energy Vehicle Test Cen-ter(Tianjin)Co.Ltd.,Tianjin 300300,China)
出处 《消防科学与技术》 CAS 北大核心 2024年第5期590-596,共7页 Fire Science and Technology
基金 国家重点研发计划(2021YFB2402001)。
关键词 锂离子电池 热失控 热失控特征参数 早期预警 lithium-ion batteries thermal runaway thermal run-away characteristic parameters early warning
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