Performance Characteristics of Solid Oxide Fuel Cells with YSZ/CGO Electrolyte

This paper presents the results of performance evaluation of anode-supported solid oxide fuel cells (SOFC) with magnetron sputtered YSZ/CGO bilayer electrolyte, and composite LSCF-CGO cathode. Deposition of the YSZ/CGO electrolyte with the thickness of up to 14 microns was performed on the commercia...

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Bibliographic Details
Published in:Key engineering materials 2017-07, Vol.743, p.281-286
Main Authors: Ionov, Igor V., Kovalchuk, Anastasya N., Smolyanskiy, Egor A., Lebedinskiy, Alexey M., Rombaeva, Maiya R., Lauk, Alexander L., Solovyev, Andrey A., Shipilova, Anna V.
Format: Article
Language:English
Subjects:
Anodes
Electric potential
Electrolytes
Electrolytic cells
Printing
Scanning electron microscopy
Solid oxide fuel cells
Substrates
Yttria-stabilized zirconia
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Summary:This paper presents the results of performance evaluation of anode-supported solid oxide fuel cells (SOFC) with magnetron sputtered YSZ/CGO bilayer electrolyte, and composite LSCF-CGO cathode. Deposition of the YSZ/CGO electrolyte with the thickness of up to 14 microns was performed on the commercial anode substrates with dimensions of 5×5 cm2. The LSCF-CGO cathode of the fuel cells was formed by the screen-printing method. The microstructure of the YSZ/CGO bilayer electrolyte and LSCF-CGO cathode was studied by scanning electron microscopy. Comparison of the fuel cells performance with different thicknesses of the YSZ and CGO layers was carried out by measuring current-voltage and power characteristics, and also by testing the long-term stability of cell power at the temperature of 750 °C and voltage of 0.7 V.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.743.281