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PEMFC可视化技术的研究现状与展望 Title:ResearchStatusandProspectofPEMFCVisualizationTechnology Abstract: ProtonExchangeMembraneFuelCell(PEMFC)isapromisingcleanenergyconversiondevicewithnumerousapplicationsintransportationandstationarypowersystems.ToimprovetheperformanceanddurabilityofPEMFCs,researchershaveturnedtovisualizationtechniquesasapowerfultoolforstudyingthecomplexphenomenaoccurringwithinthefuelcell.ThispaperaimstoprovideanoverviewoftheresearchstatusandfutureprospectsofPEMFCvisualizationtechnology.ThearticlediscussesvariousvisualizationtechniquesemployedinPEMFCresearch,highlightstheiradvantagesandlimitations,andpresentssuggestionsforfurtherdevelopment. 1.Introduction: ProtonExchangeMembraneFuelCells(PEMFCs)havegainedconsiderableattentionasasustainableenergyconversiontechnologyduetotheirhighenergyefficiency,lowemissions,andpotentialuseofrenewablefuels.However,understandingtheintricateprocesseswithinPEMFCsiscrucialforoptimizingtheirperformance,increasingtheirlifetime,andreducingcosts.Visualizationtechniquesofferauniqueopportunitytodirectlyobserveandanalyzethephenomenaoccurringatthemicroandmacroscopiclevelswithinthefuelcell. 2.CurrentResearchStatus: 2.1OpticalTechniques: Opticaltechniques,suchasmicroscopy,spectroscopy,andhigh-speedimaging,providevaluableinsightsintothevariousstagesofPEMFCoperation.Theyenableresearcherstoobservecatalystbehavior,watermanagement,gasdiffusion,andflowfieldoptimization.Moreover,in-situtechniquesallowforthereal-timemonitoringofindividualcomponentsandtheirinteractions,includingmembraneswellingbehaviorandelectrodecatalystdegradation. 2.2X-rayTechniques: X-rayimagingandtomographytechniquesoffernon-destructiveanddepth-resolvedcharacterizationofthePEMFCstructure.Thesetechniquesprovideinformationaboutwatermanagement,gasdiffusion,andstructuraldeformationswithinthecell.X-ray-basedmethods,suchasX-rayabsorptionspectroscopy(XAS)andX-raydiffraction(XRD),canalsoprovidevaluableinformationaboutcatalystdegradationandchemicalreactionsoccurringinthefuelcell. 2.3Compu

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