Reduced graphene oxide supported Pd-Cu-Co trimetallic catalyst:synthesis,characterization and methanol electrooxidation properties-中国Betway体育网页登陆

摘要 Trimetallicpalladium-copper-cobaltnanoparticlessupportedonreducedgrapheneoxide(PdCuCo/RGO)withdifferentmolarratiosofPd,CuandCocanbesynthesizedbyfacilechemicalreductionwithNaBH4asreductantandcetrimoniumbromideasstabilizer.Themorphology,structureandcompositionoftheas-synthesizedcatalystsarecharacterizedbytransmissionelectronmicroscopy,X-raydiffractionandXrayphotoelectronspectroscopy.Thecyclicvoltammetryandchronoamperometryareutilizedtoinvestigatetheelectrochemicalactivitiesandstabilitiesoftheas-obtainedcatalysts.TheresultsdemonstratethatthePdCuCo/RGOcatalystshowssuperiorcatalyticactivityandstabilityformethanolelectrooxidationinalkalinemediacomparedwithPdCu/RGO,PdCo/RGO,andPd/RGOcatalysts.ThesefindingssuggestthatthePdCuCo/RGOcatalystpossessesagreatpotentialasapromisinganodecatalystfordirectmethanolfuelcells.

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Reduced graphene oxide supported Pd-Cu-Co trimetallic catalyst:synthesis,characterization and methanol electrooxidation properties

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