Influence of anode thickness on the electrochemical performance of single chamber solid oxide fuel cells

Buergler, B. E., Santschi, Y., Felberbaum, M. and Gauckler, L. J. (2006). Influence of anode thickness on the electrochemical performance of single chamber solid oxide fuel cells. In: Narottam P. Bansal, Advances in solid oxide fuel cells II: A collection of papers presented at the 30th International Conference on Advanced Ceramics and Composites. 30th International Conference on Advanced Ceramics and Composites, Cocoa Beach, FL, United States, (37-45). 22 - 27 January 2006. doi:10.1002/9780470291337.ch4


Author Buergler, B. E.
Santschi, Y.
Felberbaum, M.
Gauckler, L. J.
Title of paper Influence of anode thickness on the electrochemical performance of single chamber solid oxide fuel cells
Conference name 30th International Conference on Advanced Ceramics and Composites
Conference location Cocoa Beach, FL, United States
Conference dates 22 - 27 January 2006
Proceedings title Advances in solid oxide fuel cells II: A collection of papers presented at the 30th International Conference on Advanced Ceramics and Composites   Check publisher's open access policy
Journal name Ceramic Engineering and Science Proceedings   Check publisher's open access policy
Place of Publication Westerville, OH, United States
Publisher American Ceramic Society
Publication Year 2006
Sub-type Fully published paper
DOI 10.1002/9780470291337.ch4
ISBN 9780470080542
9780470291337
ISSN 0196-6219
1940-6339
Editor Narottam P. Bansal
Volume 27
Issue 4
Start page 37
End page 45
Total pages 9
Language eng
Abstract/Summary The influence of the anode thickness (9–60 μm) on the behaviour of SC-SOFCs was investigated in different total flows of a methane-air mixture to the anode. In order to eliminate the effects of the cathode with varying flow, a double chamber setup with separated fuel and air streams to the anode and cathode was used. The open circuit voltage (OCV) decreased with increasing gas flow and at the same time the power density increased. Oscillations of the OCV at high gas flows were observed for cells with thin anodes. Cells with thick anodes showed the highest OCV and the highest maximum power density. These anodes have a higher catalytic activity for the partial oxidation of methane and create a lower oxygen partial pressure at the anode/electrolyte interface. They also provide more hydrogen than thin anodes and can give a higher power output.
Keyword Cathode
Electrolyte
Configuration
Microscope
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Part III: Characterization/Testing. Chapter 4.

 
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