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1、AbstractProtonexchangemembranefuelcells,especiallythedirectelcoholfuelcellsbecomethemostfavorablemobilepowersupplyforvarioustypesofequipmentandattractedalotofresearchfocusinrecentyearsduetothelowoperatingtemperature,highsafetyandhighefficiency.Theefficiencyandcostofth
2、ecatalystoffuelcellsareveryimportanttotheapplicationandpopularization,butthecatalystPtisexpensive.ThepreparationanditsapplicationofNiorderingcarriermembraneelectrodewerestudiedbecauseoftheadvantageoforderingmembraneelectrodeinstructure,andperformanceoftheperformanceof
3、therelatedcatalystwasstudiedtoo.Electrochemicalanodicoxidationmethodwasusedtoproducetheanodicaluminumoxide(AAO)template.ThesolutioncompositionandrelatedtechnologyoftheanodicoxidationwasstudiedtopreparetheAAOtemplate,ofwhich,theholedensitywas1.5X108/m2.Thediameterofthe
4、holeswasaboutlOOnm,andthethicknessoftheholeswasabout30nm・Thepretreatmenttechnologyandconditionsofchemicalnickelplating,chemicalnickelplatingadditive,andtheelectroplatingnickelprocessconditionsweredetermined,andtheAAOtemplatewithdiameterof100nmand250nmwereusedtomakethe
5、NinanowirearraysandNinanotubesarrays.TheNiplateandNinanowires/nanotubesarrayswerestudiedaselectrodesbycyclicvoltammetryinalkalinesolutiontodeterminethebehaviorofthecatalyticoxidationofethanol,andtheresultsshowedthatthespecificsurfaceareaofNinanowires/nanotubesarrayswe
6、remuchgreaterthanthatofNiplateelectrode.TheloadingmethodofPt,Pd,Pt-PdcatalystontoNinanowires/tubesarrayssupportswasstudied.Thecatalystwithidealmorphologywaspreparedbyadjustingthesolutioncompositionandoperatingtime,usingsubstitutionreaction.ItwasfoundthatPtandPdweredis
7、tributeduniformlyontheNinanowires/tubesarraysSEM.TheICPtestshowedthattheloadofPtandPdwerebothbelow0.8mg/cm2.Cyclicvoltammetricbehaviorofcatalystinalkalinesolution,andthecatalyticabilitytoethanoloxidationreactionwerestudied.ResultsshowedthatthecatalystwithNinanowires/n
8、anotubesarrayshadlargerspecificsurfacearea,andNinanotubesarrayswasbetterthanNinanowirearraysasthesupportofcatalyst.Thecataly
