Fabrication of Microtubular Solid Oxide Fuel Cells by Film Compaction and Co-Sintering

A. V. Nikonov A. V. Nikonov , A. V. Spirin A. V. Spirin , A. S. Lipilin A. S. Lipilin , V. R. Khrustov V. R. Khrustov , S. N. Paranin S. N. Paranin
Российский электрохимический журнал
Abstract / Full Text

The microtubular design of solid oxide fuel cells (SOFCs), which are promising electrochemical power sources, has a number of significant advantages over traditional planar and tubular designs: increased resistance to the cell (stack) heating rate and packing density of cells in a stack. The paper presents results on the development of a microtubular SOFC (MT-SOFC) fabrication method based on compaction and co-sintering a set of films. The formation of an anode-supported MT-SOFC having a Ni-cermet collector (support) and functional layers of about 300 and 50 μm thick, respectively; a Zr0.84Y0.16O2–δ solid electrolyte layer (40 μm); and a cathode based on La0.7Sr0.3MnO3–δ has been developed. The outer diameter and length of the MT-SOFC were 3.9 and 12 mm, respectively. The maximum specific power generated by the MT-SOFC at 850°C was 0.21 W/cm2.

Author information
  • Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, 620016, Russia

    A. V. Nikonov, A. V. Spirin, A. S. Lipilin, V. R. Khrustov & S. N. Paranin

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