Electrochemical studies on graphene oxide-supported metallic and bimetallic nanoparticles for fuel cell applications

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dc.authoridUstundag, Zafer/0000-0002-5550-106X
dc.authoridAtar, Necip/0000-0001-8779-1412
dc.contributor.authorGupta, Vinod Kumar
dc.contributor.authorYola, Mehmet Lutfi
dc.contributor.authorAtar, Necip
dc.contributor.authorUstundag, Zafer
dc.contributor.authorSolak, Ali Osman
dc.date.accessioned2025-03-23T19:40:53Z
dc.date.available2025-03-23T19:40:53Z
dc.date.issued2014
dc.departmentSinop Üniversitesi
dc.description.abstractA fuel cell is an electrochemical cell that converts a source fuel into an electrical current It generates electricity inside a cell through reactions between a fuel and an oxidant, triggered in the presence of an electrolyte. Fuel cells have been attracting more and more attention in recent decades due to high-energy demands, fossil fuel depletions, and environmental pollution throughout world. In this study, different sized metallic and bimetallic nanoparticles (AuNPs, Fe@AuNPs, Ag@AuNPs) were synthesized on graphene oxide sheets and their electrocatalytic activities for methanol oxidation were investigated. All the catalysts were characterized by transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS). Electrochemical measurements are performed to compare the catalytic efficiencies of methanol oxidation. Experimental results demonstrated that graphene oxide-supported bimetallic nanoparticles enhanced electrochemical efficiency for methanol electro-oxidation with regard to diffusion efficiency, oxidation potential and forward oxidation peak current. Graphene oxide-supported Ag@AuNPs, in comparison to graphene oxide-supported Fe@AuNPs and AuNPs, showed the more efficiency for methanol electro-oxidation. (C) 2013 Elsevier B.V. All rights reserved.
dc.identifier.doi10.1016/j.molliq.2013.12.014
dc.identifier.endpage176
dc.identifier.issn0167-7322
dc.identifier.issn1873-3166
dc.identifier.scopus2-s2.0-84891604708
dc.identifier.scopusqualityQ1
dc.identifier.startpage172
dc.identifier.urihttps://doi.org/10.1016/j.molliq.2013.12.014
dc.identifier.urihttps://hdl.handle.net/11486/6440
dc.identifier.volume191
dc.identifier.wosWOS:000331022500028
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Science Bv
dc.relation.ispartofJournal of Molecular Liquids
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250323
dc.subjectFuel cell
dc.subjectGraphene oxide
dc.subjectNanoparticle
dc.subjectCharacterization
dc.subjectMethanol oxidation
dc.titleElectrochemical studies on graphene oxide-supported metallic and bimetallic nanoparticles for fuel cell applications
dc.typeArticle

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