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Fabrication and Performance of Cone-Shaped Segmented-In-Series Solid Oxide Fuel Cells

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A new design of segmented-in-series solid oxide fuel cells (SOFCs) is presented in this paper. The small cone-shaped anode tubes were fabricated by slip casting and the yttria-stabilized zirconia (YSZ) electrolyte membranes were deposited onto the anode tubes by dip coating. After sintering at 1400°C for 4 h, a dense and crack-free YSZ membrane with a thickness of 20 m was successfully obtained. The single cell, using moist hydrogen as a fuel and ambient air as an oxidant, provides maximum power densities of 1.15, 0.8, 0.47, 0.26, 0.14, and 0.07 W/cm2 at 850°C, 800°C, 750°C, 700°C, 650°C, and 600°C, respectively.

Document Type: Research Article


Affiliations: College of Chemistry, South China University of Technology, Guangzhou 510640, China

Publication date: 2008-11-01

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