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“”—。1,211,2311(1.1160232.1000493.116025)。、、。“”。。。。StudyonbehaviorofprotonexchangemembranefuelcellunderfuelstarvationconditionsLIANGDong1,2,HOUMing1,DOUMei-ling1,2,YANXi-qiang3,SHAOZhi-gang1,YIBao-lian1(1.FuelCellSystemandEngineeringLaboratory,DalianInstituteofChemicalPhysics,ChineseAcademyofSciences,DalianLiaoning116023,China;2.GraduateUniversityofChineseAcademyofSciences,Beijing100049,China;3.SunrisePowerCo.,Ltd.,DalianLiaoning116025,China)PEMFC[1]、、。[2]。。Taniguchi[3]、。Lauritzen[4]。Liu[5]Kim[6-7]。[8]、。、。。、MEA。MEA1GDEPt/C0.4mg/m2270cm2GDE15.36cm2230.4cm21～5Nafion21280μm。2mm。215MEA3×5。158。PCL-818seriesPCLD-811515LEMLT58-S715。PCI-17138。。、。GreenlightG-100。3。60℃46A99.5%0.92.5。10.6L/min。。、、。14。0.9600s

 
12345 99.5%90%70%50%0%836s。。。5。5(a)4300s3500s215。。5(b)250s0.8V560s。。0.9“”[5-7]。。。。1～56。。。10.5%290%、10%20。。。0.9“”。836s。。。。。。[1].———··[M]..:2003:220-228.[2]KNIGHTSSD,COLBOWKM,ST-PIERREJ,etal.Agingme-chanismsandlifetimeofPEFCandDMFC[J].JournalofPowerSources,2004,127:127-134.[3]TANIGUCHIA,AKITAT,YASUDAK,etal.Analysisofelectro-catalystdegradationinPEMFCcausedbycellreversalduringfuelstarvation[J].JournalofPowerSources,2003,130(1/2):42-49.[4]LAURITZENMV,HEP,YOUNGAP,etal.Studyoffuelcellcor-rosionprocessesusingdynamichydrogenreferenceelectrodes[J].JournalofNewMaterialsforElectrochemicalSystem,2007,10(3):143-145.[5]LIUZX,YANGLZ,MAOZQ,etal.BehaviorofPEMFCinstar-vation[J].JournalofPowerSources,2006,157(1):166-176.[6]KIMS,SHIMPALEES,VANZEEJW.Theeffectofstoichiometryondynamicbehaviorofaprotonexchangemembranefuelcell(PEMFC)duringloadchange[J].JournalofPowerSources,2004,135(1/2):110-121.[7]KIMS,SHIMPALEES,VANZEEJW.TheeffectofreservoirsandfueldilutiononthedynamicbehaviorofaPEMFC[J].JournalofPowerSources,2004,137(1):43-52.[8]LIANGD,SHENQ,HOUM,etal.Studyofthecellreversalpro-cessoflargeareaprotonexchangemembranefuelcellsunderfuelstarvation[J].JournalofPowerSources,2009,194(2):847-853.