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Water-gas-shift over metal-free nanocrystalline ceria: an experimental and theoretical study
dc.contributor.author | Guild, Curtis J. |
dc.contributor.author | Vovchok, Dimitriy |
dc.contributor.author | Kriz, David A. |
dc.contributor.author | Bruix, Albert |
dc.contributor.author | Hammer, Bjork |
dc.contributor.author | Llorca Piqué, Jordi |
dc.contributor.author | Xu, Wenquian |
dc.contributor.author | El-Sawy, Abdelhamid |
dc.contributor.author | Biswas, Sourav |
dc.contributor.author | Rodriguez, Jose A. |
dc.contributor.author | Senanayake, S. D |
dc.contributor.author | Suib, Steven L. |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Química |
dc.date.accessioned | 2017-06-09T07:25:07Z |
dc.date.available | 2018-04-21T00:30:25Z |
dc.date.issued | 2017-04-21 |
dc.identifier.citation | Guild, C., Vovchok, D., Kriz, D., Bruix, A., Hammer, B., Llorca, J., Xu, W., El-Sawy, A., Biswas, S., Rodriguez, J.A., Senanayake, S., Suib, S. Water-gas-shift over metal-free nanocrystalline ceria: an experimental and theoretical study. "ChemCatChem", 21 Abril 2017, vol. 9, núm. 8, p. 1373-1377. |
dc.identifier.issn | 1867-3880 |
dc.identifier.uri | http://hdl.handle.net/2117/105262 |
dc.description.abstract | A tandem experimental and theoretical investigation of a mesoporous ceria catalyst reveals the properties of the metal oxide are conducive for activity typically ascribed to metals, suggesting reduced Ce3+ and oxygen vacancies are responsible for the inherent bi-functionality of CO oxidation and dissociation of water required for facilitating the production of H-2. The degree of reduction of the ceria, specifically the (100) face, is found to significantly influence the binding of reagents, suggesting reduced surfaces harbor the necessary reactive sites. The metal-free catalysis of the reaction is significant for catalyst design considerations, and the suite of in situ analyses provides a comprehensive study of the dynamic nature of the high surface area catalyst system. This study postulates feasible improvements in catalytic activity may redirect the purpose of the water-gas shift reaction from CO purification to primary hydrogen production. |
dc.format.extent | 5 p. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria química |
dc.subject.lcsh | Cerium oxides |
dc.subject.lcsh | Hydrogen |
dc.subject.lcsh | Fuel cells |
dc.subject.other | Ceria |
dc.subject.other | water-gas-shift |
dc.subject.other | hydrogen |
dc.subject.other | fuel cells |
dc.subject.other | metal-free catalysis |
dc.title | Water-gas-shift over metal-free nanocrystalline ceria: an experimental and theoretical study |
dc.type | Article |
dc.subject.lemac | Òxids |
dc.subject.lemac | Hidrogen |
dc.subject.lemac | Piles de combustible |
dc.contributor.group | Universitat Politècnica de Catalunya. NEMEN - Nanoenginyeria de materials aplicats a l'energia |
dc.identifier.doi | 10.1002/cctc.201700081 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://onlinelibrary.wiley.com/doi/10.1002/cctc.201700081/abstract;jsessionid=EE77A99DF9A5D5D284E43832CC2C44F5.f03t02 |
dc.rights.access | Open Access |
local.identifier.drac | 20569827 |
dc.description.version | Postprint (author's final draft) |
local.citation.author | Guild, C.; Vovchok, D.; Kriz, D.; Bruix, A.; Hammer, B.; Llorca, J.; Xu, W.; El-Sawy, A.; Biswas, S.; Rodriguez, J.A.; Senanayake, S.; Suib, S. |
local.citation.publicationName | ChemCatChem |
local.citation.volume | 9 |
local.citation.number | 8 |
local.citation.startingPage | 1373 |
local.citation.endingPage | 1377 |
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