Strontium- and magnesium-doped lanthanum gallate (LSGM) has been considered as a promising electrolyte for solid oxide fuel cell (SOFC) systems in recent years. In this work synthesis, electrochemical properties, phase evolution, and microstructure of an all-perovskite electrolyte-supported SOFC based on (LSCM) porous anode, (LSGM-2030) electrolyte, and cathode at intermediate temperatures are studied. The phase evolution of synthesized LSGM and LSCM powders has been investigated, and it validates that there is no reaction between LSGM and LSCM at sintering temperature. The characterization study of the synthesized LSGM also indicates that sintering at gives higher electrical conductivity compared with the currently published results, while for the pellets sintered at and the conductivity would be slightly lower. The effects of the firing temperature on the bulk and grain boundary resistivities are also discussed.
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May 2009
This article was originally published in
Journal of Fuel Cell Science and Technology
Special Section On The 2Nd European Fuel Cell Technology And Applications Conference
All-Perovskite Solid Oxide Fuel Cells, Synthesis and Characterization
Alidad Mohammadi,
Alidad Mohammadi
Department of Chemical, Materials and Biomolecular Engineering,
University of Connecticut
, Storrs, CT 06269
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Tsung-han Wu,
Tsung-han Wu
Department of Mechanical Engineering,
University of Connecticut
, Storrs, CT 06269
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Alevtina L. Smirnova,
Alevtina L. Smirnova
Department of Chemical, Materials and Biomolecular Engineering,
University of Connecticut
, Storrs, CT 06269
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Jakub Pusz,
Jakub Pusz
Department of Chemical, Materials and Biomolecular Engineering,
University of Connecticut
, Storrs, CT 06269
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Nigel M. Sammes
Nigel M. Sammes
Department of Metallurgical and Materials Engineering,
Colorado School of Mines
, Golden, CO 80401
Search for other works by this author on:
Alidad Mohammadi
Department of Chemical, Materials and Biomolecular Engineering,
University of Connecticut
, Storrs, CT 06269
Tsung-han Wu
Department of Mechanical Engineering,
University of Connecticut
, Storrs, CT 06269
Alevtina L. Smirnova
Department of Chemical, Materials and Biomolecular Engineering,
University of Connecticut
, Storrs, CT 06269
Jakub Pusz
Department of Chemical, Materials and Biomolecular Engineering,
University of Connecticut
, Storrs, CT 06269
Nigel M. Sammes
Department of Metallurgical and Materials Engineering,
Colorado School of Mines
, Golden, CO 80401J. Fuel Cell Sci. Technol. May 2009, 6(2): 021308 (5 pages)
Published Online: March 4, 2009
Article history
Received:
January 30, 2008
Revised:
April 28, 2008
Published:
March 4, 2009
Citation
Mohammadi, A., Wu, T., Smirnova, A. L., Pusz, J., and Sammes, N. M. (March 4, 2009). "All-Perovskite Solid Oxide Fuel Cells, Synthesis and Characterization." ASME. J. Fuel Cell Sci. Technol. May 2009; 6(2): 021308. https://doi.org/10.1115/1.3080554
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