Durable and Robust Solid Oxide Fuel Cells

Johan Hjelm (Editor), Per Hjalmarsson, Ruth Knibbe, Anne Hauch, Christopher R. Graves, Wolff-Ragnar Kiebach, Declan Curran, Henrik Lund Frandsen, Tania Ramos, Søren Lyng Ebbehøj, Mogens Bjerg Mogensen, Alfred Junio Samson, Martin Søgaard, Jonathan Højberg, Jacob R. Bowen, Karl Tor Sune Thydén, Peter Stanley Jørgensen, Sandrine Ricote, Rasmus Rode Mosbæk, Ming ChenSune Dalgaard Ebbesen, Vincenzo Esposito, Karen Brodersen, Anke Hagen, Jimmi Nielsen, Søren Preben Vagn Foghmoes, Laila Grahl-Madsen, Bertil Sieborg, Johan Hjelm

Research output: Book/ReportReport

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The solid oxide fuel cell (SOFC) is an attractive technology for the generation of electricity with high efficiency and low emissions. Risø DTU (now DTU Energy Conversion) works closely together with Topsoe Fuel Cell A/S in their effort to bring competitive SOFC systems to the market. This 2-year project had as one of its’ overarching goals to improve durability and robustness of the Danish solid oxide fuel cells. The project focus was on cells and cell components suitable for SOFC operation in the temperature range 600 – 750 °C. The cells developed and/or studied in this project are intended for use within the CHP (Combined Heat and Power) market segment with stationary power plants in the range 1 – 250 kWe in mind. Lowered operation temperature is considered a good way to improve the stack durability since corrosion of the interconnect plates in a stack is lifetime limiting at T > 750 °C. The fact that degradation and robustness is not very well explored or understood at operating temperatures below 750 °C, provides motivation for focussing on materials and cells suitable for, and operated in this temperature range.
A significant part of this project was concerned with improved understanding of degradation and failure mechanisms. Improved understanding of performance and lifetime limiting factors will make it possible to develop strategies for counteracting degradation and improving the power density of SOFC based systems, both necessary to advance towards the goals set out in the national plan for SOFC implementation.
Original languageEnglish
Number of pages53
Publication statusPublished - 2012

Bibliographical note

Energinet.dk project no. 2010-1-10441


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