Fabrication of GDC-based micro tubular SOFC single cell using electrophoretic deposition process
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초록
Micro tubular SOFC single cells with Ce0.9Gd0.1O1.95 (GDC) electrolyte were fabricated by electrophoretic deposition (EPD)process. Stable slurries for the EPD process were produced by adding dispersant of phosphate ester to control the pH,conductivity, and zeta-potential. Anode support, an anode functional layer, and electrolytes were consecutively deposited andco-sintered on a graphite rod by an EPD process. The thickness of the deposited layer increased as the voltage amplitude andthe deposition time increased. GDC-based micro tubular single cells with a 10 µm thick electrolyte showed a maximum powerdensity of 0.42 W/cm2at 600 oC.
Abstract
Micro tubular SOFC single cells with Ce0.9Gd0.1O1.95 (GDC) electrolyte were fabricated by electrophoretic deposition (EPD)process. Stable slurries for the EPD process were produced by adding dispersant of phosphate ester to control the pH,conductivity, and zeta-potential. Anode support, an anode functional layer, and electrolytes were consecutively deposited andco-sintered on a graphite rod by an EPD process. The thickness of the deposited layer increased as the voltage amplitude andthe deposition time increased. GDC-based micro tubular single cells with a 10 µm thick electrolyte showed a maximum powerdensity of 0.42 W/cm2at 600 oC.
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