新能源汽车动力电池热失控机理及主动式温度管理系统优化

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关键词：新能源汽车；动力电池；热失控；温度管理；主动控制；优化设计中图分类号：U469.7 收稿日期：2025-04-23 DOI: 10.19999/j.cnki.1004-0226.2025.09.028

Thermal Runaway Mechanism of New Energy Vehicle Power Battery and Optimization of Active Temperature Management System

Lao Junyuan BeihaiVocational College,Beihai 5360oo,China

Abstract:Thermalrunawayofnew energyvehiclepowerbatteriescancause serious problems suchasbatteryperformancedegradationandsafetyhzards，necesittingtheestablsmentofneicient temperaturemanagementsystemtcontrolbattryteperature.Thispaper elaborates onthesignificanceofpowerbaterythermalmanagement innew energyvehicles，analyzes the triggering mechanismandinfluencingfactorsofpowerbaterythermalrunaway，andthenproposesanoptimizationdesignshemeforanactive temperaturemanagementsysteminresponse tothelimitationsoftraditionalpasivetemperaturemanagementsystems.Theoptiization includeshardwarestructureoptimizationandcontrolstrategyoptimization.Theoptimizedactivetemperature managementsystemcan effectivelycontrolthetemperatureofpowerbaterieseduetheralrunaayiss，threbyimproingbaterysafetyandservicelife. This research provides newtechnical approachesandoptimization solutions forpower batery temperature management innewenergy vehicles.

Keywords:Newenergyvehicle;Powerbatery;Thermalrunaway;Temperaturemanagement;Activecontrol;Optimizationdesign

1前言

随着新能源汽车产业的蓬勃发展，动力电池已成为制约电动汽车性能、安全性和使用寿命的关键因素之一。（剩余4635字）