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Cu supported on various oxides as a candidate catalyst for dry methane reforming in DIR-SOFCs systems

Abstract

A series of Cu-support systems were tested as potential candidates for DIR-SOFC (Direct Internal Reforming SOFC) catalysts towards a dry reforming of methane (DRM). The various supports (-Al2O3, CeO2, ZrO2, SrTiO3) with comparable specific surface area (SSA), and additionally -Al2O3 with SSA an order of magnitude larger than that of the other supports has been applied. The obtained Cu-support systems were characterized in terms of structure (XRD, XPS), microstructure (SEM), redox properties (TPR /TPOx), and next their catalytic activity and selectivity in DRM reaction were tested. All Cu-support materials show catalytic activity in DRM reaction, but only activity of Cu-SrTiO3 is high (due to the incorporation of Cu into SrTiO3 structure). The catalytic activity of other materials depends on the copper oxidation state (Cu2+ and Cu+). The highest catalytic activity in DRM process was obtained for Cu-AlO(OH) catalyst thanks to an order of greater SSA than in the case of other systems.

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DOI:
Digital Object Identifier (open in new tab) 10.1016/j.ijhydene.2022.06.016
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Category:
Articles
Type:
artykuły w czasopismach
Published in:
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY no. 47, pages 25647 - 25661,
ISSN: 0360-3199
Language:
English
Publication year:
2022
Bibliographic description:
Mizera A., Błaszczak P., Bochentyn B., Lach R., Drożdż E.: Cu supported on various oxides as a candidate catalyst for dry methane reforming in DIR-SOFCs systems// INTERNATIONAL JOURNAL OF HYDROGEN ENERGY -Vol. 47,iss. 61 (2022), s.25647-25661
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.ijhydene.2022.06.016
Sources of funding:
  • Free publication
Verified by:
Gdańsk University of Technology

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