Thin-electrolyte anode-supported solid oxide fuel cells (YSZ/NiO–YSZ) were fabricated for intermediate-temperature operation using electrophoretic deposition (EPD). During cosintering, the half-cells were observed to warp—an undesirable characteristic—due to mismatch in the sintering rates. The influence of the temperature for anode presintering—a key processing step—on the curvature of the half-cells induced by sintering was investigated over . It was found that the maximum curvature occurred for an anode presintered at , while the minimum was observed at . Anode presintering temperature was also found to affect the rate of electrophoretic deposition. At low presintering temperatures, the rate of EPD increased due to the enhancement in substrate (anode) electronic conductivity as a result of an increased percolating network of NiO. Further increases in presintering temperature, however, resulted in a decrease in the EPD rate due to the formation of a surface layer with poor electronic conductivity as a result of NiO diffusion from the NiO-YSZ anode to the sintering crucible.
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May 2009
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Effect of Processing Conditions on Curvature of Anode/Electrolyte SOFC Half-Cells Fabricated by Electrophoretic Deposition
Michael K. Lankin,
Michael K. Lankin
Department of Chemical Engineering,
Queen’s University
, Kingston ON, K7L 3N6, Canada; Queen’s-RMC Fuel Cell Research Centre
, Kingston ON, K7L 5L9, Canada
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Kunal Karan
Kunal Karan
Department of Chemical Engineering,
Queen’s University
, Kingston ON, K7L 3N6, Canada; Queen’s-RMC Fuel Cell Research Centre
, Kingston ON, K7L 5L9, Canada
Search for other works by this author on:
Michael K. Lankin
Department of Chemical Engineering,
Queen’s University
, Kingston ON, K7L 3N6, Canada; Queen’s-RMC Fuel Cell Research Centre
, Kingston ON, K7L 5L9, Canada
Kunal Karan
Department of Chemical Engineering,
Queen’s University
, Kingston ON, K7L 3N6, Canada; Queen’s-RMC Fuel Cell Research Centre
, Kingston ON, K7L 5L9, CanadaJ. Fuel Cell Sci. Technol. May 2009, 6(2): 021001 (8 pages)
Published Online: February 20, 2009
Article history
Received:
February 2, 2007
Revised:
July 16, 2007
Published:
February 20, 2009
Citation
Lankin, M. K., and Karan, K. (February 20, 2009). "Effect of Processing Conditions on Curvature of Anode/Electrolyte SOFC Half-Cells Fabricated by Electrophoretic Deposition." ASME. J. Fuel Cell Sci. Technol. May 2009; 6(2): 021001. https://doi.org/10.1115/1.2971044
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