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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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Kiviaho, Jari
VTT Technical Research Centre of Finland
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2015Post-experimental analysis of a solid oxide fuel cell stack using hybrid sealscitations
- 2015Evaluation of protective coatings for SOFC interconnectscitations
- 2015Evaluation of protective coatings for SOFC interconnectscitations
- 2014Scaling up MnCo2O4 ALD Process for Coating SOFC Interconnect Plates
- 2013Development and application of HVOF sprayed spinel protective coating for SOFC interconnectscitations
- 2012Method for measuring chromium evaporation from SOFC balance-of-plant componentscitations
- 2011Method for measuring chromium evaporation from SOFC balance-of-plant componentscitations
- 2010Performance of a 10 kW SOFC Demonstration Unitcitations
- 2010MnCo2O4 spinel chromium barrier coatigns coatings for SOFC interconnect by HVOF
- 2009Large-SOFC, Towards a Large SOFC Power Plant
- 2008Characterization SOFC Interconnect Materials: Sandvik Sanergy HT and Crofer 22 APU
- 2008Harmonisation of SOFC Test Procedures under FCTESqa
- 2007Thermal degradation of selected alloys for SOFC interconnectorscitations
- 2007Solid oxide fuel cell system development in VTTcitations
- 2006Characterization and control of autothermal reformer for SOFC applications
- 2006In-service degradation of interconnector materials for solid oxide fuel cells
Places of action
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article
Evaluation of protective coatings for SOFC interconnects
Abstract
Chromium poisoning is a widely recognized degradationprocess in solid oxide fuel cells (SOFC). Stainless steelinterconnect plates, in direct contact with the cathode,have been identified as the major chromium source,raising a need for electrically conducting protectivecoatings for the interconnects. This work evaluates fourdifferent manganese-cobalt protective coatingsmanufactured on thin steel foils, made by threecommercial companies and a research centre. Area specificresistance, coating microstructure, and chromiumretention are compared. Measurements were done in a humidatmosphere over 1000 hours at 700 °C. An innovativemeasurement setup was used, in which the coated steelsamples are stacked adjacent to thin palladium foils witha screen-printed lanthanum strontium cobalt layer,replicating an SOFC cathode. As a conclusion, TeerCoatingLtd's and Turbocoating S.p. A's coatings performedsimilar to the Sandvik Material Technology'scerium-cobalt reference coating, and could be employed assuch in SOFC applications.