Mn3O4@CoMn2O4-CoxOy nanoparticles : partial cation exchange synthesis and electrocatalytic properties toward the oxygen reduction and evolution reactions

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dc.contributor	Institut de Recerca en Energía de Catalunya
dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.contributor	Universitat Politècnica de Catalunya. NEMEN - Nanoenginyeria de materials aplicats a l'energia
dc.contributor.author	Luo, Zhishan
dc.contributor.author	Irtem, Erdem
dc.contributor.author	Ibañez, María
dc.contributor.author	Nafria Soler, Raquel
dc.contributor.author	Martí Sanchez, Sara
dc.contributor.author	Genç, Aziz
dc.contributor.author	de la Mata, María
dc.contributor.author	Liu, Yu
dc.contributor.author	Cadavid, Doris
dc.contributor.author	Llorca Piqué, Jordi
dc.contributor.author	Arbiol, Jordi
dc.contributor.author	Andreu, Teresa
dc.contributor.author	Morante Lleonart, Joan Ramon
dc.contributor.author	Cabot Codina, Andreu
dc.date	2016-07-13
dc.identifier.citation	Luo, Z., Irtem, E., Ibañez, M., Nafria, R., Martí, S., Genç, A., de la Mata, M., Liu, Y., Cadavid, D., Llorca, J., Arbiol, J., Andreu, T., Morante, J., Cabot, A. Mn3O4@CoMn2O4-CoxOy nanoparticles: partial cation exchange synthesis and electrocatalytic properties toward the oxygen reduction and evolution reactions. "ACS applied materials and interfaces", 13 Juliol 2016, vol. 8, núm. 27, p. 17435-17444.
dc.identifier.citation	1944-8244
dc.identifier.citation	10.1021/acsami.6b02786
dc.identifier.uri	http://hdl.handle.net/2117/104566
dc.language.iso	eng
dc.relation	http://pubs.acs.org/doi/abs/10.1021/acsami.6b02786
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Energies::Energia solar fotovoltaica
dc.subject	Cations--chemistry
dc.subject	Nanoparticles
dc.subject	ORR
dc.subject	OER
dc.subject	manganese oxide
dc.subject	cobalt oxide
dc.subject	colloidal
dc.subject	electrocatalysis
dc.subject	cation exchange
dc.subject	TEMPERATURE-PROGRAMMED REDUCTION
dc.subject	ZINC-AIR BATTERIES
dc.subject	N-DOPED CARBON
dc.subject	WATER OXIDATION
dc.subject	CATALYTIC-ACTIVITY
dc.subject	BIMETALLIC CATALYSTS
dc.subject	Cations
dc.subject	Nanopartícules
dc.title	Mn3O4@CoMn2O4-CoxOy nanoparticles : partial cation exchange synthesis and electrocatalytic properties toward the oxygen reduction and evolution reactions
dc.type	info:eu-repo/semantics/submittedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Mn3O4@CoMn2O4 nanoparticles (NPs) were produced at low temperature and ambient atmosphere using a one -pot two-step synthesis protocol involving the cation exchange of Mn by Co in preformed Mn3O4 NPs. Selecting the proper cobalt precursor, the nucleation of CoxOy crystallites at the Mn3O4@a CoMn2O4 surface could be simultaneously promoted to form Mn3O4@CoMn2O4-CoxOy NPs. Such heterostructured NPs were investigated for oxygen reduction and evolution reactions (ORR, OER) in alkaline solution. Mn3O4@ CoMn2O4-Cox0y NPs with [Co]/[Mn] = 1 showed low overpotentials of 0.31 Vat(-3) mA.cm(-2) and a small Tafel slope of 52 mV.dec(-1) for ORR, and overpotentials of 0.31 V at 10 mA
dc.description.abstract	Peer Reviewed

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