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Design and Characterization of Nanocomposites Based on Complex Perovskites and Doped Ceria as Advanced Materials for Solid Oxide Fuel Cell Cathodes and Membranes

Published online by Cambridge University Press:  01 February 2011

Vladislav Sadykov ,
Tamara Kharlamova ,
Lubsan Batuev ,
Nathalia Mezentseva ,
Galina Alikina ,
Vitalii Muzykantov ,
Tamara Krieger ,
Svetlana Pavlova ,
Vladimir Zaikovskii  and
Arcady Ishchenko
...Show all authors
Vladislav Sadykov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation, 7 3833308763, 7 3833308056
Tamara Kharlamova
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Lubsan Batuev
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Nathalia Mezentseva
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Galina Alikina
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Vitalii Muzykantov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Tamara Krieger
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Svetlana Pavlova
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Vladimir Zaikovskii
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Arcady Ishchenko
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Valeria Zarubina
Affiliation:
[email protected],Novosibirsk State University,Novosibirsk,630090,Russian Federation,
Vladimir Rogov
Affiliation:
[email protected], Boreskov Institute of Catalysis, Heterog. catalysis, pr. Lavrentieva, 5, Novosibirsk, 630090, Russian Federation
Oleg Bobrenok
Affiliation:
[email protected], Institute of Thermophysics SB RAS, Novosibirsk, 630090, Russian Federation
Nikolai Uvarov
Affiliation:
[email protected], Institute of Solid State Chemistry SB RAS, Novosibirsk, 630090, Russian Federation
John Kilner
Affiliation:
[email protected],Imperial College,Department of Materials,London,SW7 2AZ,United Kingdom,
John Druce
Affiliation:
[email protected], Imperial College, Department of Materials, London, SW7 2AZ, United Kingdom
Alevtina Smirnova
Affiliation:
[email protected], Univ. of Connecticut, Storrs, CT, 06259, United States
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Abstract

La0.8Sr0.2Fe0.6Ni0.4O3-x - Ce0.9Gd0.1O2-x and La0.8Sr0.2Fe0.8Co0.2O3-x - Ce0.9Gd0.1O2-x nanocomposites were synthesized via ultrasonic dispersion of nanocrystalline powders of perovskite and fluorite oxides in acetone with addition of a surfactant, followed by drying and sintering at temperatures up to 1200°C. The evolution of the structure of samples with sintering temperature was studied by XRD and TEM with EDX and compared with the data on conductivity, oxygen isotope exchange, O2 TPD, H2 and CH4 TPR. Preliminary testing of button-size cells with cathodes supported on thin YSZ layer covering Ni/YSZ cermet demonstrated a high and stable performance of LSNF–GDC composite promising for the practical application.

Keywords

nanostructurecompositereactivity
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1098: Symposium HH – The Hydrogen Economy , 2008 , 1098-HH07-06
Copyright
Copyright © Materials Research Society 2008

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