The influence of the anode structure on the electrical properties of a solid oxide fuel cell

Keywords

solid oxide fuel cell, anode, ion conductivity, specific power, impedance spec¬trometry.

Cite as

Brodnikovskyi Ye. M., Podhurska V. Ya., Lysunenko N. O., Brodnikovskyi D. M., Polishko I. O., Bezdorozhev O. V., Kyrysha A. A., and Vasylyev O. D. The influence of the anode structure on the electrical properties of a solid oxide fuel cell. Physicochemical Mechanics of Materials. 2023. 59(4), 59-66.

https://doi.org/10.15407/pcmm2023.04.059

Abstract

The volt-ampere and impedance characteristics of solid oxide fuel cells (SOFC) at 800°C were studied depending on the structure of the anode, electrolyte, and cathode. The combi­nation of the 10Sc1CeSZ-NiO anode with the 10Sc1CeSZ electrolyte, the GDC barrier cathode layer, and the LSCF-GDC cathode leads to a 1.4-fold increase in the electrical properties of this SOFC compared to the SOFC of the 3.5YSZ-NiO / 8YSZ / LSM-8YSZ system and 2.8 times compared to the SOFC of the 10Sc1CeSZ-NiO / 8YSZ / LSM-8YSZ system. At the same time, we revealed the incompatibility of the 10Sc1CeSZ-NiO anode and the 8YSZ electrolyte, which is associated with cerium migration during sintering of the half-cell.

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