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Research at St Andrews

Fabrication and Development of Perovskite Anode Supported Planar SOFCs

Research output: Chapter in Book/Report/Conference proceedingConference contribution

DOI

Author(s)

Alem Tesfai, Cristian Savaniu, John T. S. Irvine

School/Research organisations

Abstract

Anode supported A-site deficient Lax-Sr1-1.5x TiO3 has been developed. In this study, a 5 x 5 cm planar SOFC, which consisted of (140 mu m of NiO tape), anode (A-site deficient Lax-Sr1-1.5xTiO3 similar to 1200 mu m), and cathode (La0.6Sr0.4CoO3 similar to 30 mu m), has been developed and tested. The contacting studies were carried out using pressure detection film. Compressibility of different thickness alumina felt gaskets was investigated at different torque compression force. Appropriate gasket thicknesses were selected to achieve sufficient sealing and contact pressure. To validate the test facility, with commercially available H.C. Starck ASC3 standard 5 cm x 5 cm anode supported planar fuel cell, a total output power of 2.1 W (0.125 Wcm(-2)) was achieved at 850 degrees C with 0.97 V of open circuit voltage, ohmic resistance (R-ohm) of 0.8 Omega cm(2) and the polarization resistance (R-p) of 1.16 Omega cm(2). Initial data produced with A-site deficient La-x-Sr(1-1.5)xTiO(3) in the same test configuration has shown total resistance of 3.12 Omega cm(2).

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Details

Original languageEnglish
Title of host publicationSolid Oxide Fuel Cells 12 (SOFC XII)
EditorsSC Singhal, K Eguchi
Place of PublicationPENNINGTON
PublisherELECTROCHEMICAL SOCIETY INC
Pages557-563
Number of pages7
ISBN (Print)978-1-60768-212-7
DOIs
Publication statusPublished - 2011
Event12th International Symposium on Solid Oxide Fuel Cells (SOFC) - Montreal
Duration: 1 May 20116 May 2011

Publication series

NameECS Transactions
Number1
Volume35
ISSN (Print)1938-5862

Conference

Conference12th International Symposium on Solid Oxide Fuel Cells (SOFC)
CityMontreal
Period1/05/116/05/11

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