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  The Origin of the Catalytic Activity of a Metal Hydride in CO2 Reduction

Kato, S., Matam, S. K., Kerger, P., Bernard, L., Battaglia, C., Vogel, D., et al. (2016). The Origin of the Catalytic Activity of a Metal Hydride in CO2 Reduction. Angewandte Chemie International Edition, 55(20), 6028 -6032. doi:10.1002/anie.201601402.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0027-C1BB-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-57FE-F
Genre: Journal Article

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 Creators:
Kato, Shunsuke1, Author              
Matam, Santhosh Kumar2, Author              
Kerger, Philipp3, Author              
Bernard, Laetitia2, Author              
Battaglia, Corsin2, Author              
Vogel, Dirk3, Author              
Rohwerder, Michael3, Author              
Züttel, Andreas1, Author              
Affiliations:
1École Polytechnique Fédérale de Lausanne (EPFL), 1951 Sion, Switzerland, ou_persistent22              
2Empa, Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland, ou_persistent22              
3Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society, ou_2074315              

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Free keywords: CO2 reduction; Heterogeneous catalysis; Hydrocarbons; Hydrogen; Hydrogenation
 Abstract: Atomic hydrogen on the surface of a metal with high hydrogen solubility is of particular interest for the hydrogenation of carbon dioxide. In a mixture of hydrogen and carbon dioxide, methane was markedly formed on the metal hydride ZrCoHx in the course of the hydrogen desorption and not on the pristine intermetallic. The surface analysis was performed by means of time-of-flight secondary ion mass spectroscopy and near-ambient pressure X-ray photoelectron spectroscopy, for the in situ analysis. The aim was to elucidate the origin of the catalytic activity of the metal hydride. Since at the initial stage the dissociation of impinging hydrogen molecules is hindered by a high activation barrier of the oxidised surface, the atomic hydrogen flux from the metal hydride is crucial for the reduction of carbon dioxide and surface oxides at interfacial sites. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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Language(s): eng - English
 Dates: 2016-04-09
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1002/anie.201601402
 Degree: -

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Title: Angewandte Chemie International Edition
  Other : Angewandte Chemie, International Edition
  Abbreviation : Angew. Chem. Int. Ed.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 55 (20) Sequence Number: - Start / End Page: 6028 - 6032 Identifier: ISSN: 1433-7851
CoNE: /journals/resource/1433-7851