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dc.contributor.authorAbdelwahab, Abdalla
dc.contributor.authorCarrasco Marín, Francisco 
dc.contributor.authorPérez Cadenas, Agustín Francisco 
dc.date.accessioned2020-11-11T09:46:21Z
dc.date.available2020-11-11T09:46:21Z
dc.date.issued2020-08-10
dc.identifier.citationAbdelwahab, A.; Carrasco-Marín, F.; Pérez-Cadenas, A.F. Binary and Ternary 3D Nanobundles Metal Oxides Functionalized Carbon Xerogels as Electrocatalysts toward Oxygen Reduction Reaction. Materials 2020, 13, 3531. [doi:10.3390/ma13163531]es_ES
dc.identifier.urihttp://hdl.handle.net/10481/64193
dc.description.abstractA series of carbon xerogels doped with cobalt, nickel, and iron have been prepared through the sol–gel method. The doped carbon xerogels were further functionalized with binary and ternary transition metal oxides containing Co, Ni, and Zn oxides by the hydrothermal method. A development in the mesopore volume is achieved for functionalized carbon xerogel doped with iron. However, in the functionalization of carbon xerogel with ternary metal oxides, a reduction in pore diameter and mesopore volume is found. In addition, all functionalized metal oxides/carbon are in the form of 3D nanobundles with different lengths and widths. The prepared samples have been tested as electrocatalysts for oxygen reduction reaction (ORR) in basic medium. All composites showed excellent oxygen reduction reaction activity; the low equivalent series resistance of the Zn–Ni–Co/Co–CX composite was especially remarkable, indicating high electronic conductivity. It has been established that the role of Zn in this type of metal oxides nanobundles-based ORR catalyst is not only positive, but its effect could be enhanced by the presence of Ni.es_ES
dc.description.sponsorshipScience and Technology Development Fund (STDF) STF-25402es_ES
dc.description.sponsorshipJunta de Andalucia RNM-172es_ES
dc.description.sponsorshipSpanish ERDF/Ministry of Science RTI2018-099224-B-I00es_ES
dc.language.isoenges_ES
dc.publisherMDPIes_ES
dc.rightsAtribución 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subjectMetal oxideses_ES
dc.subjectCarbon xerogelses_ES
dc.subjectEquivalent series resistancees_ES
dc.subjectOxygen reduction reactiones_ES
dc.titleBinary and Ternary 3D Nanobundles Metal Oxides Functionalized Carbon Xerogels as Electrocatalysts toward Oxygen Reduction Reactiones_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
dc.identifier.doi10.3390/ma13163531
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersiones_ES


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