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Doped nanocrystalline pt-promoted ceria-zirconia as anode catalysts for it sofc: Synthesis and properties

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Author(s)

Vladislav Sadykov, Natalia Mezentseva, Galina Alikina, Anton Lukashevich, Vitalii Muzykantov, Rimma Bunina, Andrei Boronin, Egor Pazhetnov, Eugenii Paukshtis, Vladimir Kriventsov, Alevtina Smirnova, Oleksandr Vasylyev, John Irvine, Oleg Bobrenok, Vladimir Voronin, Ivan Berger

School/Research organisations

Abstract

Ceria-zirconia samples doped with Gd, Pr, Sm, or La cations were prepared via Pechini route and promoted by Pt. Effect of their real structure and surface properties (characterized by neuronography, EXAFS, XPS, FTIRS of adsorbed CO) on the mobility and reactivity of the lattice oxygen (by oxygen isotope exchange and CrLt TPR) was analyzed. For the reaction of CrLt steam reforming (SR), catalytic performance is determined both by Pt dispersion and lattice oxygen mobility. Ni-YSZ anodes promoted by these catalysts possess a stable and efficient performance in CH4SR in the 600-800°C range in stoichiometric feeds without coking.

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Details

Original languageEnglish
Title of host publicationMaterials Research Society Symposium Proceedings - Functional Nanoscale Ceramics for Energy Systems
Pages26-31
Number of pages6
Volume1023
Publication statusPublished - 1 Dec 2007
EventFunctional Nanoscale Ceramics for Energy Systems - 2007 MRS Spring Meeting - San Francisco, CA, United States
Duration: 9 Apr 200713 Apr 2009

Conference

ConferenceFunctional Nanoscale Ceramics for Energy Systems - 2007 MRS Spring Meeting
CountryUnited States
CitySan Francisco, CA
Period9/04/0713/04/09

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