1-5王芳动力电池技术及标准化

中国电动汽车用动力电池技术及标准化ProgressinTechnologyandStandardizationoftractionbatteryforEVsWangFang王芳ChinaAutomotiveTechnologyandResearchCenter中国汽车技术研究中心Newenergyvehicletestinglab新能源汽车试验室2012.09Contents①Strategyofpowerbattery②Progressonpowerbattery③Standardsonpowerbattery④DevelopmenttrendonpowerbatteryPowerbatteryR&Dfocusin12thfive-yearplanformulatedbyMOSTTaskPowerbatteryforHEVPowerbatteryforE-mobilityPowerbatteryforadvancedE-mobilityEmphasisNi-MHLiionSupcapLiionbatteryNewtypeLiionNewsystemCommontechnologySafetytechnology,standardization,keymaterials,seconduseandcomprehensiveevaluationtechnology,etc.高功率型动力电池系统产业化技术研发-针对混合动力汽车产业化能量型与能量/功率兼顾型锂离子动力电池技术研究-针对纯电驱动大规模商业化示范新型/新体系动力电池技术研究-针对下一代纯电驱动技术规划中动力电池相关技术指标Contents①Strategyofpowerbattery②Progressonpowerbattery③Standardsonpowerbattery④DevelopmenttrendonpowerbatteryLayoutofpowerbatterymanufacturersforelectricvehiclesCorun,ShenzhouChunlan,WanhongZhongjuForeverCoslightMGL,Lishen,TEVE,Pulead,BAKPhylion,WanxiangBYD,ATLAoweiKaimeiJurong3Bigconcentratedzones:Pearlriverdeltazone;Yangtzeriverdeltazone;Beijing-Tianjinzone.(Lithium,Nickel&Supcap)Generalstatus(asof2010):8bplusRMBinvestment;200bplusWhannualcapacity;80plusmanufacturers.SupplierMaterialchemistryCaseElectrodeassemblyBYDLFP/GrPrismatic(Al)winding/stackingLishenLFP/GrMixedoxide/GrPrismatic(Al)&PouchWinding/stackingBAKLFP/Gr&NMC/GrCylindrical(Al&iron)windingCOSLIGHTLFP/GrPrismatic(iron)laminationJEVELFP/Gr&Mixedoxide/GrPouchlaminationWanxiangEVLFP/Gr&Mixedoxide/GrPouchlaminationMGLMixedoxidecomposite/GrPouchlaminationPhylionLFP/Gr&Mixedoxide/GrPrismatic(Al)laminationCALBLFP/Gr&Mixedoxide/GrPlasticlaminationSAPTLFP/Gr&NMC/GrPrismatic(iron)&PouchlaminationATL(Ningde)LFP/GrPrismatic(iron)Lamination+windingMicrovastNMC/LTOPlasticwindingPresentmainLiionbatterysuppliersandtheirtechnologyforxEVinChinaProgressonHEVpowerbattery(Ni-MH)Powerdensityincreasessteadily.ProgressonHEVpowerbattery(lithiumion)Powerdensityincreasesdramatically.Peakpowerdensity(asofnow)LithiumionpowerbatteryforEV&PHEV(celllevel)Energydensityliesatthesametechnologicallevelathomeandabroad.SpecificenergyofLFPcellincreasesfrom90-108to110-135Wh/kg(asofnow).DomesticCyclePerformance40%50%60%70%80%90%100%110%02004006008001000120014001600180020002200240026002800CycleNumber(N)EVCyclePerformance7.008.009.0010.0011.0012.0013.000250500750100012501500CycleNumberDischargeCapacity(Ah)40#82.58%@1500cycle43#84.45%@1500cycleCyclelifeincreasessignificantlyfrom1500(in2010)to2500-3500(in2011).(LFP-basedprismaticcell)ProgressofLiionbatterytechnologyforEV&PHEV(asofnow)ProgressofLiionbatterytechnologyforEV&PHEV(asofnow)Cyclelifewillreachover2000.(NMC-basedcylindricalcell)ProgressofLiionbatterytechnologyforEV&PHEV(asofnow)PacklevelCapacityismorethan87%after1390cycles;Temp.:25degree;Test:1C@100%DOD;100cellsinseries;Nobalance.Note:LFP-basedbatteryHighPowerCycleProgressofLiionbatterytechnologyforHEV(asofnow)Ambienttemp.30℃;temp.increaselessthan10℃;temp.differencelessthan5℃.Note:LMO-basedbatteryCapacity(Ah)10（emphasisonpower）Dimension(mm)190*140*10Weight(g)355±5Energydensity(Wh/kg)70Volumetricenergydensity(Wh/L)92Averagevoltage@1Cdischarge(V)2.36Outputpowerdensity@10s(W/kg)-50%SOC2600inputpowerdensity@10s(W/kg)-50%SOC3800Chargecapacityratio@6C(%)87.5Dischargecapacityratio@8C(%)100Dischargetemp.increase@8C(℃)14LTOcellperformance(asofnow)层状锰酸锂的高温性优异，100次循环容量保持率接近100%4.1层锰/HC电池的电化学特性11I060不同倍率充放电曲线2000.02500.03000.03500.04000.04500.0020040060080010001200容量(mAh)电压(mV)1C5C10C15C20C25C优异的倍率充放电性能，25C放电可放出接近100%容量020040060080010000%20%40%60%80%100%零下10度1C循环1000周容量保持率93.2%零下10度2C循环1000周容量保持率91.4%容量保持率循环次数层状锰酸锂/HC60℃循环2000周容量保持率84.6%-10℃，1C和2C循环1000次容量保持率均大于90%60℃PerformanceoflayeredLMO/HCLithiumionbatteryContents①Strategyofpowerbattery②Progressonpowerbattery③Standardsonpowerbattery④DevelopmenttrendonpowerbatteryPowerbatterytestinstitutionInclude:CATARCvehicletestinstituteFAWvehicletestcenterDongfengvehicletestcenterCAERIvehicletestcenterTIPSbatterytestcenterNorthVehicleInstitutetestcenter,etcPowerbatterystandardinstitutionInclude:CATRACstandardinstitute(focusonsectorallevelstandards)(ISOChinaoffice)TianjinInstituteofPowerSources(focusonnationallevelstandards)(IECChinaoffice)Standard&testinstitutionsrelatedtopowerbatteryinChinaElectricvehiclesubcommitteeSAC/TC114/SC27MIITSAC/TC114Industrialstandard(QC)Nationalstandard(GB)ElectricmotorcycleElectricvehicleISOTC22/SC21IEC/TC69SACUN/WP29★FoundedbyNTCASat1998,secretariatislocatedatCATARC;★GuidedbySACandMIIT;★InterfacewithISO/TC22/SC21andIEC/TC69;★Responsiblefornationalelectricvehiclestandardization电动车辆分标委SAC/TC114/SC27动力电池工作组SC27-batteryWGTractionbatteryWGSAC/TC114/SC27&CATARCSAC/TC77TIPSliaisonBatteryBMSOn-boardChargerChargeinterfaceScopeAutomanufactureBatterycompaniesTestinstitutesUniversitiesMembersLithiumionNickel-metalhydrideUltracapacitorFoundedin2009Characteristicsoftemperature,Crate,storage,cyclelife……Overcharging&discharge,shortcircuit,drop,heating,waterimmersion,fire,mechanicalshock,…………cylindrical:diameter,height;prismatic:width,thickness,he