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Effective yttrium based coating for steel interconnects of solid oxide cells: Corrosion evaluation in steam-hydrogen atmosphere
Abstract
This work describes manufacture, analysis and test of a new well conducting corrosion-protection coating that can be applied on steel types with high chromium content. Electrolytic deposition of yttrium salts is used to form thin (<100 nm) coatings on both flat steel sheets (material: Crofer 22 APU) and its properties are proven on woven wire-meshes (materials from two different sources: SUS316 and SUS316L). The oxide scale on the coated Crofer 22 APU sheet remains intact after 2000 h operation at 750 °C in H2 with 90% H2O. The corrosion rate at 750 °C of the coated Crofer 22 APU sheets is compared with that of uncoated samples and of samples with a commercial magneton sputtered CGO coating revealing that the coatings reduce the parabolic rate constant characteristic of the corrosion by a factor of 10 and 20 for the CGO and the Y, respectively.
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Authors (9)
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Å.h. Persson
- Technical University of Denmark Department of Energy Conversion and Storage
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T.l. Skafte
- Technical University of Denmark Department of Energy Conversion and Storage
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A.l. Smitshuysen
- Technical University of Denmark Department of Energy Conversion and Storage
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S.h. Jensen
- Technical University of Denmark Department of Energy Conversion and Storage
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K. H. Andersen
- Technical University of Denmark Department of Energy Conversion and Storage
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H. Xu
- Technical University of Denmark Department of Energy Conversion and Storage
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Ming Chen
- Technical University of Denmark Department of Energy Conversion and Storage
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Peter Vang Hendriksen
- Technical University of Denmark Department of Energy Conversion and Storage
Cite as
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Keywords
Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
JOURNAL OF POWER SOURCES
no. 440,
ISSN: 0378-7753 - Language:
- English
- Publication year:
- 2019
- Bibliographic description:
- Molin S., Persson Å., Skafte T., Smitshuysen A., Jensen S., Andersen K., Xu H., Chen M., Hendriksen P.: Effective yttrium based coating for steel interconnects of solid oxide cells: Corrosion evaluation in steam-hydrogen atmosphere// JOURNAL OF POWER SOURCES -Vol. 440, (2019), s.226814-
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.jpowsour.2019.226814
- Verified by:
- Gdańsk University of Technology
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