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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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document
In-service degradation of interconnector materials for solid oxide fuel cells
Abstract
The oxide growth and thermal degradation characteristics of three SOFCinterconnector alloys have been investigated particularly for the cathode sideconditions.The tested materials were ferritic stainless alloys including onecommon standard grade (alloy 430) and two alloys (Crofer 22 APU, ZMG 232)specifically designed for interconnector service.All three alloys appear tofollow parabolic oxidation within the range of testing conditions (up to 500 hat 740 °C in air).A somewhat more pronounced oxidation was found in alloysZMG 232 and Crofer 22 APU than in alloy 430.During oxidation, a consistentdecrease inof iron and increase inof chromium and manganese were observed inthe surface oxide.Some chromium transport was detected on the cathode sidesurface of the cell after 500 h at 740 °C.The results emphasise the importanceof an appropriate coating for of the interconnectors, to prevent chromiumpoisoning on the cathode.A natural coating material would be similar orcompatible with the ceramic cathode.Such a coating also has the additionaladvantage that simpler and cheaper steel grades could be used as theinterconnector material.