Rapid thermal cycling of metal-supported solid oxide fuel cellmembranes

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Solid oxide fuel cell (SOFC) membranes were developed in which zirconia-based electrolyte thin films were supported by a composite metal/ceramic electrode, and were subjected to rapid thermal cycling between 200 and 800 C. The effects of this cycling on membrane performance were evaluated. The membranes, not yet optimized for performance, showed a peak power density of 350mW/cm2at 900 C in laboratory-sized SOFCs that was not affected by the thermal cycling. This resistance to cycling degradation is attributed to the close matching of thermal expansion coefficient of the cermet support electrode with that of the zirconia electrolyte.

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Matus, Yuriy B.; De Jonghe, Lutgard C.; Jacobson, Craig P. & Visco, Steven J. January 2, 2004.

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Description

Solid oxide fuel cell (SOFC) membranes were developed in which zirconia-based electrolyte thin films were supported by a composite metal/ceramic electrode, and were subjected to rapid thermal cycling between 200 and 800 C. The effects of this cycling on membrane performance were evaluated. The membranes, not yet optimized for performance, showed a peak power density of 350mW/cm2at 900 C in laboratory-sized SOFCs that was not affected by the thermal cycling. This resistance to cycling degradation is attributed to the close matching of thermal expansion coefficient of the cermet support electrode with that of the zirconia electrolyte.

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  • Journal Name: Solid State Ionics; Journal Volume: 176; Journal Issue: 5-6; Related Information: Journal Publication Date: 02/14/2005

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  • Report No.: LBNL--54302
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 882069
  • Archival Resource Key: ark:/67531/metadc874381

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  • January 2, 2004

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Sept. 30, 2016, 12:42 p.m.

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Matus, Yuriy B.; De Jonghe, Lutgard C.; Jacobson, Craig P. & Visco, Steven J. Rapid thermal cycling of metal-supported solid oxide fuel cellmembranes, article, January 2, 2004; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc874381/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.