Development of Long-Term Stable and High-Performing Metal-Supported SOFCs

Publication: Research - peer-reviewConference article – Annual report year: 2011

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Metal-supported SOFCs are believed to have high potential for commercialization due to lower material costs and higher robustness in fabrication and operation. However, the development of the cell is challenged by the metal properties during fabrication, and the necessary lower operating temperatures, while retaining both the energy output and the stability. The metal-supported SOFC design developed at Risø DTU has been optimized to an ASR value of 0.62 cm2 at 650 °C, and a steady degradation rate of 1.0% kh-1 demonstrated for 3000 h on a 16 cm2 active cell level. Additional improvement in the performance has been demonstrated possible with cobalt-based cathode materials in combination with a magnetron sputtered CGO cathode barrier layer. Initial ASR values down to 0.27 cm2 at 650 °C and power densities up to 1.14 Wcm-2 was observed with this design on a 0.5 cm2 active cell level. ©2011 COPYRIGHT ECS - The Electrochemical Society
Original languageEnglish
JournalE C S Transactions
Publication date2011
Volume35
Issue1
Pages369-378
ISSN1938-5862
DOIs
StatePublished

Conference

Conference12th International Symposium on Solid Oxide Fuel Cells, 219th ECS Meeting
CountryCanada
CityMontreal, QC
Period01/05/1106/05/11
CitationsWeb of Science® Times Cited: 0

Keywords

  • Solid oxide Fuel Cells
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