首页|含氟物质在提升动力锂离子电池安全性方面的应用

含氟物质在提升动力锂离子电池安全性方面的应用

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随着新能源汽车渗透率的提升,动力用锂离子电池能量密度不断攀升,研制高性能高能量密度电池体系,满足续航里程、充电时间和高安全性能,是目前重要的研究方向.锂离子电池热失控是其安全性研究中亟待解决的问题,含氟物质在提高锂离子电池热稳定性、预防热失控措施中具有广泛应用.本文从动力锂离子电池热失控现象出发,分类概述了电池热失控的诱导因素、含氟物质在优化单体电池材料(阳极、阴极、电解质和隔膜)、电池热管理技术中的应用以及提高锂电池热安全性的方法,为解决动力锂离子电池的热失控问题提供参考.
Application of Fluorine-Containing Substances in Improving Safety of Power Lithium-Ion Batteries
With the increase of the penetration rate of new energy vehicles,the energy density of lithium-ion batteries for power is rising,and the development of high-performance and high-energy-density battery systems to meet the requirements of mileage,charging time and high safety performance is an important research direction at present.Thermal runaway of lithium-ion batteries is an urgent problem to be solved in their safety research,and fluorine-containing substances have been widely used in improving the thermal stability of lithium-ion batteries and preventing thermal runaway.Starting from the thermal runaway phenomenon of power lithium-ion batteries,this paper classifies and summarizes the inducing factors of battery thermal runaway,the application of fluorine-containing substances in optimizing single battery materials(anode,cathode,electrolyte and separator),battery thermal management technology,and methods to improve the thermal safety of power lithium batteries,so as to provide a reference for solving the thermal runaway problem of power lithium-ion batteries.

lithium-ion batteriesthermal runawaythermal managementbattery safetyfluorinated materials

严丽霞、傅荣幸、胡凯瑞、王正禹、江依义、王久菊

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浙江省化工研究院有限公司,浙江 杭州 310023

锂离子电池 热失控 热管理 电池安全性 氟材料

2024

浙江化工
浙江省化工研究院有限公司

浙江化工

影响因子:0.131
ISSN:1006-4184
年,卷(期):2024.55(5)