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Doped Nanocrystalline Pt-Promoted Ceria-Zirconia as Anode Catalysts for IT SOFC: Synthesis and Properties

Published online by Cambridge University Press:  01 February 2011

Vladislav Sadykov ,
Natalia Mezentseva ,
Galina Alikina ,
Anton Lukashevich ,
Vitalii Muzykantov ,
Rimma Bunina ,
Andrei Boronin ,
Egor Pazhetnov ,
Eugenii Paukshtis  and
Vladimir Kriventsov
...Show all authors
Vladislav Sadykov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterogeneous catalysis, Pr.Akademika Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Natalia Mezentseva
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Galina Alikina
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Anton Lukashevich
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Vitalii Muzykantov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Rimma Bunina
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 63009 0, Russian Federation
Andrei Boronin
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Egor Pazhetnov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Eugenii Paukshtis
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Vladimir Kriventsov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Novosibirsk, 630090, Russian Federation
Alevtina Smirnova
Affiliation:
[email protected], University of Connecticut, Global Fuel Cells Center, Storrs, CT, CT, United States
Oleksandr Vasylyev
Affiliation:
[email protected], Institute for Problems of Materials Science, Kiev, 142, Ukraine
John Irvine
Affiliation:
[email protected], University of St Andrews, School of Chemistry, St Andrews, KY16 9ST, United Kingdom
Oleg Bobrenok
Affiliation:
[email protected], Institute of Thermophysics SB RAS, Novosibirsk, 630090, Russian Federation
Vladimir Voronin
Affiliation:
[email protected], Institute of Metals Physics UB RAS, Yekaterinburg, 234005, Russian Federation
Ivan Berger
Affiliation:
[email protected], Institute of Metals Physics UB RAS, Yekaterinburg, 234005, Russian Federation
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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 neutronography, EXAFS, XPS, FTIRS of adsorbed CO) on the mobility and reactivity of the lattice oxygen (by oxygen isotope exchange and CH4 TPR) was analyzed. For the reaction of CH4 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 CH4 SR in the 600-800°C range in stoichiometric feeds without coking.

Keywords

catalyticoxidationnanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1023: Symposium JJ – Functional Nanoscale Ceramics for Energy Systems , 2007 , 1023-JJ02-07
Copyright
Copyright © Materials Research Society 2007

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References

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