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1、ModelsforBatteryReliabilityandLifetimeApplicationsinDesignandHealthManagementKandlerSmithJeremyNeubauerEricWoodMyungsooJunAhmadPesaranCenterforTransportationTechnologiesandSystemsNationalRenewableEnergyLaboratoryNREL/PR-5400-58550BatteryCongress•April15-16,
2、2013•AnnArbor,MichiganNRELisanationallaboratoryoftheU.S.DepartmentofEnergy,OfficeofEnergyEfficiencyandRenewableEnergy,operatedbytheAllianceforSustainableEnergy,LLC.Betterlifepredictionmethods,modelsandmanagementareessentialtoacceleratecommercialdeploymentof
3、Li-ionbatteriesinlarge-scalehigh-investmentapplicationsTime-to-marketvsacceptableriskforsatellitebatteryindustry*OEMGoals:•Optimizedesigns(size,cost,life)•Minimizebusiness&warrantyrisk•Reducetimetomarket*Source:MarcIsaacson,LockheedMartinEndUserGoals:•Under
4、standreliabilityandeconomicsofnewtechnologies(e.g.,electric-drivevehiclesvs.conventionalvehicles)•Manageassetsformaximumutilization(e.g.routescheduling,chargecontroltooptimizeEVfleetlifeandcost)NATIONALRENEWABLEENERGYLABORATORY2NRELResearch&DevelopmentAddre
5、ssingBatteryLifetimeLifescenarioanalysisAgingLifepredictivemodelingandbatterymodelsystemtradeoffstudies(%)LiquidcoolingRelativeCapacityAircooling,lowresistanceceAircoolingComputer-aidedengineeringofNocooling3DMulti-Phoenix,AZambientconditionsbatteries(CAEBA
6、Tprogram)physicssimulationOnline&offlinehealthBatteryhealthestimation&managementtrackingofreal-world(Laboratory-DirectedR&Dprogram)applicationsBatteryprognosticandelectrochemicalcontrol(ARPA-EAMPEDprogram)AdvancedbatterymanagementR&Dwithindustry&universityp
7、artnersNATIONALRENEWABLEENERGYLABORATORY3OutlinePart1:BatteryLifeModeling•LifeModelFramework•NCAModel•FePModelPart2:LifeModelApplication•Life-CycleAnalyses•Real-TimeHealthManagementNATIONALRENEWABLEENERGYLABORATORY4NRELLifePredictiveModelNCACalendarfadeCycl
8、ingfader2=0.942•SEIgrowth(possibly•Activematerialstructurecoupledwithcycling)degradationand•Lossofcyclablelithiummechanicalfracture•a,b=f(∆DOD,T,V)•a,c=f(∆DOD,T,V)1122RelativeCapacity(%)Time(years)Rela