新能源汽车动力电池热失控后爆燃抑制技术研究进展

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中图分类号:U463.6 文献标志码:A DOI:10.19822/j.cnki.1671-6329.20240178
【Abstract】Firstly,based on theanalysis of recent thermal safetyaccidents innewenergyvehicles,this paper summarizes thecauses,internal andexternal mechanisms,manifestations,andhazardsofthermalrunaway-induced combustionandexplosionacidentsinpowerbatteries.Secondly,itreviewsthestrategiesandrelatedtechnologiesfor suppressing combustionand explosion,withaparticularfocus ontheinhibition mechanisms,research progress,suppression efcts,andlitationsinpracticalresearchandapplicationofpressrereliefexplosionpreventionfirextingusingagent combustion inhibition,andthermalrunawaypropagation blockingtechnologies.Finally,consideringtherequirementsofnew energyvehiclesforthesafetyandreliabilityofpowerbatteries,theresearchprospectsofcombustionand explosion suppression technologies for power batteries are discussed.
Key words: Thermal runaway,Explosive suppression technology,Security,Power battery,New energyvehicles
0引言
在应对全球能源危机和落实“双碳”目标的双重压力下,“节能减排”成为汽车行业发展的主要方向[-3]。(剩余23524字)