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FeCr液流电池中碳毡电极的碳化、活化及极化行为研究.docx

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FeCr液流电池中碳毡电极的碳化、活化及极化行为研究 Title:InvestigationofCarbonization,Activation,andPolarizationBehaviorinCarbonFeltElectrodesforFeCrFlowBattery Abstract: Theincreasingdemandforrenewableenergystoragesystemshaspromptedthedevelopmentofadvancedenergystoragedevicessuchasflowbatteries.Amongthem,FeCrliquidflowbatterieshavegainedconsiderableattentionduetotheirhighenergydensity,lowcost,andlongcyclinglife.Carbonfeltelectrodesplayacrucialroleintheseflowbatteriesastheyprovideahighspecificsurfaceareaandhighelectronconductance.Inthisstudy,weinvestigatethecarbonization,activation,andpolarizationbehaviorofcarbonfeltelectrodesinFeCrflowbatteries.Theeffectsofdifferentcarbonizationandactivationprocessesontheelectrochemicalperformanceoftheseelectrodesareanalyzed.TheresultsprovidevaluableinsightsintooptimizingthedesignandoperationofFeCrflowbatteriestoenhancetheiroverallperformance. 1.Introduction: Flowbatterieshaveemergedaspromisingcandidatesforlarge-scaleenergystorageapplicationsduetotheirhighflexibility,scalability,andlongcyclelife.FeCrliquidflowbatteriesofferseveraladvantages,includinghighenergydensity,lowcost,andenvironmentalfriendliness.Thecarbonfeltelectrodesusedintheseflowbatteriescontributesignificantlytotheirperformance.Therefore,itisessentialtounderstandthecarbonization,activation,andpolarizationbehaviorofcarbonfeltelectrodestoimprovetheirelectrochemicalperformance.Inthisstudy,weinvestigatetheeffectsofdifferentcarbonizationandactivationprocessesonthepropertiesofcarbonfeltelectrodes. 2.ExperimentalMethods: Thecarbonfeltelectrodeswerepreparedbyacarbonizationprocessataspecifictemperaturefollowedbyanactivationprocedure.Variouscarbonizationtemperaturesandactivationmethodswereemployedtoinvestigatetheireffectsonthepropertiesofthecarbonfeltelectrodes.Theelectrodeswerecharacterizedusingscanningelectronmicroscopy(SEM),X-raydiffraction(XRD),andelectrochemicaltechniques. 3.CarbonizationBehavior: Thecarbonizationprocessplaysavitalroleindeterminingthestructuralandmorphologicalpropertiesofthecarbon