新能源车辆电池热管理系统优化设计与性能研究

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中图分类号：U462 DOI：10.20042/j.cnki.1009-4903.2025.02.027

Abstract：Tegobalautomotiveindustryisacceleratingiselectrficatiotransformatio，andthepenetrationateofthenwenergy vehiclemarkethassignificantlyincreased.Teperfomanceofpowerbateriesisrucialforthernge，safetyandifespanofnw energyvehicles.Theprocessofbaterycharginganddischargingisaffctedbytemperaturehichcaneasilyladtocapacitydecay shortend ifespan，andthermal runawaysafetyrisks at extreme temperatures.BTMS isakeytechnologythat ensures batery performanceandsafetybypreciselyregulatingthetemperatureofthebaterypack.Proposeabaterythermalmanagementsystem solutionbasedulectivetizationntegratingCandliqidingtehnloydoptinginteligentpedictitrol andoptimizingeatflowfieldtoiproveatdisipationeficiencyergybnce，anddaptabilyeptizationpliely controls the temperature difference of the battery pack to ±2∘C ，reduces the temperature by 12% under high temperature conditions， and increases the preheatingefficiencyby 35% under low temperature conditions，greatly improving the working environment and providingtheoreticalandpracticalguidancefortheengineeringaplicatiooftheralmanagementtechnologyfornewenergyvehie batteries.

KeyWords：Newenergyvehicles;Baterythermalmanagementsystem;Phasechangematerials;Liquidcoledstructure;Model predictive control; Batteryperformance

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新能源汽车发展推动高要求的动力电池性能提升。（剩余3904字）