第61卷第10期Vol.61No.102023年10月October2023农业装备与车辆工程AGRICULTURALEQUIPMENT&VEHICLEENGINEERINGdoi:10.3969/j.issn.1673-3142.2023.10.020关于电动汽车锂离子电池模组热失控的仿真研究陆颖，杨李杰（212000江苏省镇江市江苏大学汽车与交通工程学院）[摘要]以电动汽车Ni55锂离子电池为研究对象，利用COMSOLMultiphysics仿真建模软件，建立高温加热热失控模型，模拟仿真了3.5mm隔热片布置下锂离子电池模组的热失控过程，分析了其在仿真中表现出的热失控特性参数，研究了热失控时的峰值温度、内部材料变化及温度分布，对比模拟仿真与试验结果，证明了模型的可靠性，同时分析了热失控过程中副反应状态变量的变化，为高镍三元锂离子电池安全性研究提供相应的理论支持。[关键词]三元锂电池；隔热材料；热失控试验；热失控仿真[中图分类号]U467.2；TM912[文献标志码]A[文章编号]1673-3142(2023)10-0093-05引用格式：陆颖,杨李杰.关于电动汽车锂离子电池模组热失控的仿真研究[J].农业装备与车辆工程,2023,61(10):93-97.Simulationstudyonthermalrunawayoflithium-ionbatterymoduleduringhigh-temperatureheatingLUYing,YANGLijie(SchoolofAutomotiveandTrafficEngineering,JiangsuUniversity,Zhenjiang212000,Jiangsu,China)[Abstract]TakingNi55lithium-ionbatteryofelectricvehicleastheresearchobject,thethermalrunawaymodelofhigh-temperatureheatingwasestablishedbyusingCOMSOLMultiphysicsmultiphysicalfieldsimulationmodelingsoftware.Thethermalrunawayprocessoflithium-ionbatterymodulewith3.5mminsulationsheetwassimulated.Thethermalrunawaycharacteristicparametersoflithium-ionbatterymodulewith3.5mminsulationsheetcontactinthesimulationofthermalrunawayofhigh-temperatureheatingwereanalyzed,andthepeaktemperature,thechangeofinternalmaterialsandtemperaturedistributionwhenthermalrunawaywasstudied.Thecomparisonbetweenthesimulationresultsandthetestresultsprovedthereliabilityofthemodel.Meanwhile,thechangeofsidereactionstatevariablesintheprocessofthermalrunawaywasalsoanalyzed,providingcorrespondingtheoreticalsupportforthesafetyresearchofhighnickelternarylithiumionbatteries.[Keywords]ternarylithiumbattery;thermalinsulationmaterials;thermalrunawaytest;thermalrunaway0引言电动汽...
