Design and characterization of nanocomposites based on complex perovskites and doped ceria as advanced materials for solid oxide fuel cell cathodes and membranes

Vladislav Sadykov, Tamara Kharlamova, Lubsan Batuev, Nathalia Mezentseva, Galina Alikina, Vitalii Muzykantov, Tamara Krieger, Svetlana Pavlova, Vladimir Zaikovskii, Arcady Ishchenko, Valeria Zarubina, Vladimir Rogov, Oleg Bobrenok, Nikolai Uvarov, John Kilner, John Druce, Alevtina Smirnova

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    7 Citations (Scopus)

    Abstract

    La0.8Sr0.2Fe0.6Ni0.4O 3-x - Ce0.9Gd0.1O2.x and La 0.8Sr0.2Fe0.8Co0.2O3-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.

    Original languageEnglish
    Title of host publicationHydrogen Economy
    PublisherMaterials Research Society
    Pages110-115
    Number of pages6
    ISBN (Print)9781605608549
    DOIs
    Publication statusPublished - 2008
    Event2008 MRS Spring Meeting - San Francisco, CA, United States
    Duration: Mar 24 2008Mar 28 2008

    Publication series

    NameMaterials Research Society Symposium Proceedings
    Volume1098
    ISSN (Print)0272-9172

    Other

    Other2008 MRS Spring Meeting
    Country/TerritoryUnited States
    CitySan Francisco, CA
    Period3/24/083/28/08

    All Science Journal Classification (ASJC) codes

    • Materials Science(all)
    • Condensed Matter Physics
    • Mechanics of Materials
    • Mechanical Engineering

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