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Formation of Conductive Oxide Scale on 33NK and 47ND Interconnector Alloys for Solid Oxide Fuel Cells

Author

Listed:
  • V.A. Eremin

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia
    Institute of Chemical Engineering, Ural Federal University named after the first President of Russia B. N. Yeltsin, 620002 Yekaterinburg, Russia)

  • A.A. Solodyankin

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia)

  • S.A. Belyakov

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia)

  • A.V. Khodimchuk

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia
    Institute of Chemical Engineering, Ural Federal University named after the first President of Russia B. N. Yeltsin, 620002 Yekaterinburg, Russia)

  • A.S. Farlenkov

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia
    Institute of Chemical Engineering, Ural Federal University named after the first President of Russia B. N. Yeltsin, 620002 Yekaterinburg, Russia)

  • D.A. Krainova

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia)

  • N.S. Saetova

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia)

  • A.V. Kuzmin

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia
    Institute of New Materials and Technologies, Ural Federal University named after the first President of Russia B. N. Yeltsin, 620002 Yekaterinburg, Russia)

  • A.S. Artamonov

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia
    Institute of Chemical Engineering, Ural Federal University named after the first President of Russia B. N. Yeltsin, 620002 Yekaterinburg, Russia)

  • R. Steinberger-Wilckens

    (School of Chemical Engineering, University of Birmingham, Birmingham B15 2TT, UK)

  • M.V. Ananyev

    (Institute of High Temperature Electrochemistry, UB RAS, 620137 Yekaterinburg, Russia
    Institute of Chemical Engineering, Ural Federal University named after the first President of Russia B. N. Yeltsin, 620002 Yekaterinburg, Russia)

Abstract

: Two grades of chromium-free alloys were studied in order to apply them as interconnectors for solid oxide fuel cells. The surface modification methods were proposed for each alloy with the purpose of forming of oxide scales considering the required physicochemical properties. Investigations of the structure and properties of the obtained oxide scales were performed and the efficiency of the chosen surface modification methods was approved. The samples with the surface modification exhibited higher conductivity values in comparison with the nonmodified samples. A compatibility study of samples with surface modification and glass sealant of chosen composition was accomplished. The modified samples demonstrated good adhesion during testing and electrical resistance less than 40 mOhm/cm 2 at 850 °C in air, which allowed us to recommend these alloys with respective modified oxide scales as interconnectors for SOFC.

Suggested Citation

  • V.A. Eremin & A.A. Solodyankin & S.A. Belyakov & A.V. Khodimchuk & A.S. Farlenkov & D.A. Krainova & N.S. Saetova & A.V. Kuzmin & A.S. Artamonov & R. Steinberger-Wilckens & M.V. Ananyev, 2019. "Formation of Conductive Oxide Scale on 33NK and 47ND Interconnector Alloys for Solid Oxide Fuel Cells," Energies, MDPI, vol. 12(24), pages 1-16, December.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:24:p:4795-:d:298593
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    Citations

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    Cited by:

    1. Jerzy Pisarek & Tadeusz Frączek & Tomasz Popławski & Michał Szota, 2021. "Practical and Economical Effects of the Use of Screen Meshes for Steel Nitriding Processes with Glow Plasma," Energies, MDPI, vol. 14(13), pages 1-14, June.
    2. Andrey Bushuev & Oleg El’kin & Ivan Tolstobrov & Yulia Chetvertnykh & Mark Bobro & Nailya Saetova & Anton Kuzmin, 2023. "Development of SOFC Interconnects Based on Industrial Steels with Oxide Coating," Energies, MDPI, vol. 16(3), pages 1-10, January.

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