新能源汽車動(dòng)力總成的可靠性改進(jìn)方向

新能源汽車動(dòng)力總成的可靠性改進(jìn)方向探索ExplorationonReliabilityImprovementofPowertrainforNewEnergyVehicle1/11Presentedby：GaoWenkaiOutlineComparisonofDifferientEVsBackgroundGroupDivision2/11DevelopmentofNewEnergyVehicles3/11NationalStandardBackgroundofAutomotiveIndustry

4/1110YearsStrategicTarget

NEVHEVFCEVPEVType2020SalesDomesticMarketShareOilConsu-mption2025SalesDomesticMarketShareOilConsu-mptionEV1mio70%3mio80%FCEV1000AreaOpera-tionEEV5L/100km4L/100kmEEVandNEVMainObjectesPlanning5/11HybridElectricVhicle(HEV)

HEVSHEVPHEVSPHEVAdvantagesReducefuelconsumptionThedriverneednottochangehabbitImprovedrivingperformanceReducenoiseofmechanicalDisadvantagesTechnologycostistoohighPropertylimitedbydrivingconditon6/11FuelCellElectricVehicle(FCEV)

GenerallyFuelcellsinvehiclesgenerateelectricitytopowerthemotor,generallyusingoxygenfromtheairandcompressedhydrogen.AdvantagesZero-emissionsCharginggasquicklyHavinglongerdrivingdistancethanPEVDisadvantagesTechnologycostistoohighZero-emissionshydrogenproductionisachanllengeStorageandtransportationaredifficult7/11PureElectricVehicle

(PEV)

AdvantagesZero-emissionsHighutilizationofenergyLownoiseSimpleConfigurationofvehicleDisadvantagesDrivingdistanceisshortChargingtimeislongBatterylifeisshortTechnologycostistoohigh8/11TypeHEVFCEVPEVDistanceEmissionChargingTimeOilSavingChargingEquipmentIndustrializationPotentialTechnicalDifficultyCompare

VerygoodnormalgoodHEVandPEVhaveadvantagesandpotentialintenyears9/11PureElectricVehicle

(PEV)

PowerAssembleBatteryModelBatteryBMSMotorModelMoterMoterControlTransimission10/11GroupDivision

MotorControlIn-WheelMotorConfigurationPowerBetteryResearchBetteryManagementSystemMotorStructure11/11點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本The

BatteryPresentedby：ChenXinyue1/7PEV'sRequirementsonBatteriesTheComparisonBetweenDifferentBatteriesReliabilityImprovementofBatteriesOutline2/7點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本EnvironmentalProtectionHighCostPerformanceLong-LifeHighEnergyDensityWhatrequirementsdoPEV’sbatteriesneedtomeet?Comparedtootherbatteries,lithiumbatteryismoreenvironmentallyfriendly,hashighspecificenergy,andthusisthemostpromising.3/7點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本LiFePO4NCM/NCALiCoO2LiMn2O44/7

NCANCMLiFePO4LiMn2O4LiCoO2VoltagePlatform3.73.63.23.83.7Energy

Density＞180160~180120~130130~150150~180CycleLife＞2000＞2000＞2000500~800＞1000CostLowLowHighTheLowestHigherComprehensivePerformanceExcellentExcellentGoodBadGoodAdvantagesHighenergydensity,goodlowtemperatureperformanceElectrochemicalstability,goodcycleperformanceHighsafety,longcyclelifeManganeseisrichinresources,lowprice,goodsecurityStablecharginganddischarging,simpleproductionprocessDisadvantagesPoorperformanceathightemperature,poorsafety,highproductiontechnologyrequirementsThepriceofcobaltisexpensivePoorperformanceatlowtemperature,lowdischargevoltageLowenergydensityandpoorelectrolytecompatibilityThepriceofcobaltishigh,lowcycle

life5/7

ReliabilityImprovementProduction

CraftElectrolyteCost6/7Doyouknowgraphene?7/7點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本點(diǎn)擊添加文本BatteryManagementSystemPresentedby：WangXiaorong1/15Wha卷ti祖st會(huì)he共BMS榴?Why續(xù)do岡th忙eE副Vs盯nee浙d占BMS愁?Wha京ti嘗st帝he趨dir治ect叨ion豆fo婦rt句he馳rel麻iab魄ili茅ty鑒?Outl鞋ine2/15Lit芳hiu李m-i爽on憶bat纖ter悶ypac省khas搞ma羽ny鎖pro允ble岔ms任suc點(diǎn)ha怪ssafe胃ty,族dura悠bili磚ty,dyn濕ami信c,co瞇stand礦soo枝n,w燈hich堵res罰tric候tst語hew蹦ide通appl猛icat時(shí)ion據(jù)ofl皺ithi攜um-i屬onb如atte摧ryi鼓nve釀hicl轟efi筑eld.圣Lit件hium裕-ion察bat學(xué)tery預(yù)saf友ean黎dre沾liab師lew童orki泰nga顧rea撫isn坦arro妖w,t救hen嶼eed項(xiàng)for睜batt銹ery皇mana搶geme坑nts證yste兩mfo罷ref旗fect沈ive迎mana膽geme鞠nta愈ndc秒ontr當(dāng)ol.WhydotheEVsneedBMS?3/1卡5Lit玻hiu盈m-i帆on響bat昂ter泛ys頭afe詠tyope申rating尚wi妖ndo褲wr踐ang歇ei絮snarr榆ow：Rel元iab關(guān)le晃ope惠rat樣ing運(yùn)te希mpe撤rat廳ure：-20~慈55℃Page224/1鋪5SOCBatteryParameterMonitorSOHSOFFaults

DiagnosisOBDSafetyControlandReportChargingControlBalanceFunctionsSafetyTempretureControlEMCSOEWha挎ti墊st逝he文BMS緣瑞?5/1址5Durability

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