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Article
2018

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


A. V. NikonovA. V. Nikonov, A. V. SpirinA. V. Spirin, A. S. LipilinA. S. Lipilin, V. R. KhrustovV. R. Khrustov, S. N. ParaninS. N. Paranin
Russian Journal of Electrochemistry
https://doi.org/10.1134/S1023193518060149
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, RussiaA. V. Nikonov, A. V. Spirin, A. S. Lipilin, V. R. Khrustov & S. N. Paranin
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