PEMFC可视化技术的研究现状与展望.docx 立即下载
2024-12-04
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PEMFC可视化技术的研究现状与展望.docx

PEMFC可视化技术的研究现状与展望.docx

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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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PEMFC可视化技术的研究现状与展望

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