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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Reisgen, Uwe
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2024Reduction of distortion during laser beam welding by applying an in situ alloyed LTT effect and considering influencing factors
- 2024Simulation of wire metal transfer in the cold metal transfer (CMT) variant of gas metal arc welding using the smoothed particle hydrodynamics (SPH) approachcitations
- 2024Influence of laser beam welding in vacuum on the magnetic properties of non-grain oriented electrical steel sheets
- 2024Development of an in situ alloying method for high-performance welding processes to achieve an LTT effect by local modification of the alloy content
- 2024Modelling the Evolution of Phases during Laser Beam Welding of Stainless Steel with Low Transformation Temperature Combining Dilatometry Study and FEMcitations
- 2023Optimization of the weldability and joint strength of Al Mg Si cladded aluminum alloys via RSW: a statistical and metallurgical approach
- 2022Residual Stress Reduction with the LTT Effect in Low Carbon Manganese-Steel through Chemical Composition Manipulation Using Dissimilar Filler Material in Laser Beam Weldingcitations
- 2022Strain Monitoring of a Structural Adhesive Bond by Embedding a Polymer Optical Fibercitations
- 2022Curing Adhesives with Woven Fabrics Made of Polymer Optical Fibre and PET Yarncitations
- 2021Individualized and controlled laser beam pretreatment process for adhesive bonding of fiber-reinforced plastics. II. Automatic laser process control by spectrometrycitations
- 2019Manipulating the melt propagation of short arc gas metal arc welding with diode lasers <1 kW for improvement in flexibility and process robustnesscitations
- 2019Influence of variation of energy per unit length on mechanical-technological properties of ultra-high-strength steel 22MnB5 in the laser beam welding processcitations
- 2017Comparison of submerged arc welding process modification influence on thermal strain by in-situ neutron diffractioncitations
- 2016Tensile stress analyses through digital image correlation of single lap joints of high strength steel and aluminium alloy using adhesive bondingcitations
- 2011Theoretische und experimentelle Untersuchung des spaltungsinduzierten Versagens von TRC Prüfkörpern
- 2008Reducing degradation effects in SOFC stacks manufactured at Forschungszentrum Jülich - Approaches and results
- 2005Overview of the development of solid oxide fuel cells at Forschungszentrum Juelich
- 2004Solid oxide fuel cell development at Forschungszentrum Juelich
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document
Reducing degradation effects in SOFC stacks manufactured at Forschungszentrum Jülich - Approaches and results
Abstract
<p>Solid Oxide Fuel Cell (SOFC) stacks as developed by Forschungszentrum Jülich (FZJ) are based on nickel-cermet anode supported cells. The planar anode supported design offers high performance at lower temperatures thanks to an extremely thin electrolyte YSZ layer. Fabrication techniques involving hot-pressing and/or tape-casting of the anode side substrate, vacuum slip casting of the electrolyte and the screen-printing of cathodes have been developed to a high standard wherein cells can be manufactured that produce consistent, reliable and high electro-chemical performance during long-term operation. Cells are made in sizes 5×5, 10×10 and 20 × 20 cm<sup>2</sup> and assembled in stacks with a maximum of 60 cells. More than 250 stacks have been tested, some of them also in external laboratories. Recent investigations rationalize the differences between optimum single cell performance and the limitations resulting from stack operation. Work also concentrates on the understanding and modeling of degradation phenomena. The paper gives an overview over the performance improvements in FZJ SOFC stacks and the various approaches to analyze and quantify degradation of cells and stacks.</p>