新能源汽車電池熱管理系統(tǒng)優(yōu)化研究

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中圖分類號：U461 DOI：10.20042/j.cnki.1009-4903.2025.01.002

Optimization ResearchonThermal ManagementSystemforNew Energy Vehicle Batteries

Abstract：Aimingatthetemperaturecontrolrequirementsofpowerbatteriesinnewenergyvehiclesduringoperation，athermal managementsystembasedonliquidcoolingwasdesigned.Thethermalcharactersticsandtemperaturedistributionofthebattery wereanalyzedthroughacombinationoftemperaturefieldtestingandnumericalsimulation，andanumericalmodelofthethermal managementsystemwasestablished.Theresultsshowthattheoptimizedserpentinechannelstructureimprovedthetemperature uniformity of the battery pack by 23% ，with the maximum temperature difference reduced to 3.2°C .The system achieved optimal heat disipationperformancewhenthecooantflowratewas4.8L/in.Experimentalresultsdemonstratethatisliquidcolingsystemcan effectivelycontrolbatterytemperatureand extend battery life.

/words：Newenergyvehicle;Powerbattery;Thermalmanagementsystem;Temperatureuniformity;Channeloptimiza

0引言

動力電池是新能源汽車的核心部件，其性能和壽命直接影響整車的性能。（剩余6413字）