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Research at St Andrews

Development of Robust Metal-Supported SOFCs and Stack Components in EU METSAPP Consortium

Research output: Contribution to journalArticle

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Author(s)

B. R. Sudireddy, J. Nielsen, A. H. Persson, K. Thyden, K. Brodersen, S. Ramousse, D. Neagu, E. Stefan, J. T. S. Irvine, H. Geisler, A. Weber, G. Reiss, R. Schauperl, J. Rechberger, J. Froitzheim, R. Sachitanand, H. Falk-Windisch, J. E. Svensson, M. W. Lundberg, R. Berger & 3 others J. Westlinder, S. Hornauer, T. Kiefer

School/Research organisations

Abstract

The potential of MS-SOFCs was demonstrated through the previous EU METSOFC project, which concluded that the development of oxidation resistant novel metal-supported solid oxide fule cell (MS-SOFC) design and stack is the requirement to advance this technology to the next level. The following EU METSAPP project has been executed with an overall aim of developing advanced metal-supported cells and stacks based on a robust, reliable and up-scalable technology. During the project, oxidation resistant nanostructured anodes based on modified SrTiO3 were developed and integrated into MS-SOFCs to enhance their robustness. In addition, the manufacturing of metal-supported cells with different geometries, scalability of the manufacturing process was demonstrated and more than 200 cells with an area of approximate to 150 cm(2) were produced. The electrochemical performance of different cell generations was evaluated and best performance and stability combination was observed with doped SrTiO3 based anode designs. Furthermore, numerical models to understand the corrosion behavior of the MS-SOFCs were developed and validated. Finally, the cost effective concept of coated metal interconnects was developed, which resulted in 90% reduction in Cr evaporation, three times lower Cr2O3 scale thickness and increased lifetime. The possibility of assembling these cells into two radically different stack designs was demonstrated.

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Original languageEnglish
Pages (from-to)508-516
Number of pages9
JournalFuel Cells Bulletin
Volume17
Issue number4
Early online date8 May 2017
DOIs
Publication statusPublished - 25 Aug 2017
Event12th European Solid Oxide Fuel Cell and Solid Oxide Electrolyzer (SOFC and SOE) Forum - Lucerne, Switzerland
Duration: 5 Jul 20168 Jul 2016

    Research areas

  • Degradation, Electrochemistry, Energy Conversion, Fuel Cell Stacks, Metal-supported Solid Oxide Cells, Modeling, Nanostructured Protective Coatings, Strontium Titanate, OXIDE FUEL-CELLS, CERMET ANODE, COATED INTERCONNECTS, NUMERICAL EVALUATION, BARRIER LAYERS, IMPEDANCE, OXIDATION, PERFORMANCE, DECONVOLUTION, EVAPORATION

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