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dc.contributor.author
Ignaczak, Anna  
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Nazmutdinov, Renat  
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Goduljan, Aleksej  
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de Campos Pinto, Leandro Moreira  
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Juarez, Fernanda  
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Quaino, Paola Monica  
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Belletti, Gustavo Daniel  
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Santos, Elizabeth del Carmen  
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Schmickler, Wolfgang  
dc.date.available
2018-12-07T20:27:46Z  
dc.date.issued
2017-11  
dc.identifier.citation
Ignaczak, Anna; Nazmutdinov, Renat; Goduljan, Aleksej; de Campos Pinto, Leandro Moreira; Juarez, Fernanda; et al.; Oxygen Reduction in Alkaline Media—a Discussion; Springer New York LLC; Electrocatalysis; 8; 6; 11-2017; 554-564  
dc.identifier.issn
1868-5994  
dc.identifier.uri
http://hdl.handle.net/11336/66108  
dc.description.abstract
We propose a complete reaction sequence for oxygen reduction in alkaline solutions, in which the first two steps occur in the outer sphere mode. The oxygen-oxygen bond is broken in the third step, which involves adsorption of OH, which is desorbed in the last step. We have investigated the sequence by quantum-chemical methods and determined the energies of activation. Whether the reaction follows a four- or a two-electron mechanism, depends critically on the energy of adsorption of OH. We surmise that our mechanism holds on all electrodes which interact weakly with oxygen, in particular on gold, silver, and graphite. We explain, why Au(100) is a better catalyst than Au(111), why at high overpotentials the reaction on Au(100) reverts to a two-electron mechanism, and why this does not happen on silver. [Figure not available: see fulltext.]  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Springer New York LLC  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Alkaline Fuel Cells  
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Dft  
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Electron Transfer  
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Oxygen Reduction  
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Astronomía  
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Ciencias Físicas  
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CIENCIAS NATURALES Y EXACTAS  
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Otras Ciencias Químicas  
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Ciencias Químicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Oxygen Reduction in Alkaline Media—a Discussion  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2018-11-27T16:35:00Z  
dc.journal.volume
8  
dc.journal.number
6  
dc.journal.pagination
554-564  
dc.journal.pais
Estados Unidos  
dc.journal.ciudad
Nueva York  
dc.description.fil
Fil: Ignaczak, Anna. University Of Lodz; Argentina  
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Fil: Nazmutdinov, Renat. Kazan National Research Technological University; Rusia  
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Fil: Goduljan, Aleksej. Universitat Ulm; Alemania  
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Fil: de Campos Pinto, Leandro Moreira. Universitat Ulm; Alemania. Instituto de Química Universidade Federal de Mato Grosso do Sul; Brasil  
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Fil: Juarez, Fernanda. Universitat Ulm; Alemania  
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Fil: Quaino, Paola Monica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Programa de Electroquímica Aplicada e Ingeniería Electroquímica; Argentina  
dc.description.fil
Fil: Belletti, Gustavo Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Santa Fe; Argentina. Universidad Nacional del Litoral. Facultad de Ingeniería Química. Programa de Electroquímica Aplicada e Ingeniería Electroquímica; Argentina  
dc.description.fil
Fil: Santos, Elizabeth del Carmen. Universitat Ulm; Alemania. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Córdoba. Instituto de Física Enrique Gaviola. Universidad Nacional de Córdoba. Instituto de Física Enrique Gaviola; Argentina  
dc.description.fil
Fil: Schmickler, Wolfgang. Universitat Ulm; Alemania  
dc.journal.title
Electrocatalysis  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007/s12678-017-0365-y  
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info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1007/s12678-017-0365-y