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1、1172IEEETRANSACTIONSONENERGYCONVERSION,VOL.26,NO.4,DECEMBER2011AHybridBatteryModelCapableofCapturingDynamicCircuitCharacteristicsandNonlinearCapacityEffectsTaesicKim,StudentMember,IEEE,andWeiQiao,Member,IEEEAbstractAhigh-fidelitybatterymodelcapableofaccuratelypoweredelectricalsystemo
2、rdevicerequiresthebatterymodelpredictingbatteryperformanceisrequiredforproperdesignandtobecapableofaccuratelycapturingthedynamicelectricalcir-operationofbattery-poweredsystems.However,theexistingbat-cuitcharacteristicsofthebatterytofacilitatethesystem-levelterymodelshaveatleastoneof
3、thefollowingdrawbacks:1)requir-circuitdesignandsimulation.ingintensivecomputationduetohighcomplexity;2)notapplicableforelectricalcircuitdesignandsimulation;and3)notcapableofAvarietyofbatterymodelshavebeendevelopedtocaptureaccuratelycapturingthestateofcharge(SOC)andpredictingrun-theb
4、atteryperformanceforvariouspurposes,suchasbatterytimeofthebatteryduetoneglectingthenonlinearcapacityeffects.design,performanceestimation/predictionforreal-timepowerThispaperproposesanovelhybridbatterymodel,whichtakesmanagement,andcircuitsimulation.Ingeneral,theexistingtheadvantageso
5、fanelectricalcircuitbatterymodeltoaccuratelybatterymodelscanbeclassifiedintofourcategories[1]:elec-predictingthedynamiccircuitcharacteristicsofthebatteryandananalyticalbatterymodeltocapturingthenonlinearcapacitytrochemicalmodels,analyticalmodels,stochasticmodel,andeffectsfortheaccura
6、teSOCtrackingandruntimepredictionofelectricalcircuitmodels.Theelectrochemicalmodelsusecom-thebattery.Theproposedbatterymodelisvalidatedbythesim-plexnonlineardifferentialequationstoexactlydescribechem-ulationandexperimentalstudiesforthesingle-cellandmulticellicalprocessesthattakeplac
7、eincellsofbatteries.Forexample,polymerlithium-ionbatteries,aswellasforalead-acidbattery.Doyle’selectrochemicalmodelconsistsofsixcoupled,nonlin-Theproposedmodelisapplicabletoothertypesandsizesofelec-trochemicalbatterycells.Theproposedbatterymodeliscomputa-eardifferentialequations[2].
8、Theelectrochemicalm
