Ruddlesden-Popper-Type Epitaxial Film as Oxygen Electrode for Solid-Oxide Fuel Cells

The unexpected SOFC hetero‐epitaxial system with large lattice mismatch is demonstrated. A (110)‐oriented flat epitaxial film of Nd2NiO4+δ is successfully grown on the (100) surface of yttrium‐stabilized zirconia, which realizes selective exposure of the active surface for oxygen reduction. The char...

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Published inAdvanced materials (Weinheim) Vol. 20; no. 21; pp. 4124 - 4128
Main Authors Yamada, Atsuo, Suzuki, Yoshitaka, Saka, Kazuyuki, Uehara, Makiko, Mori, Daisuke, Kanno, Ryoji, Kiguchi, Takanori, Mauvy, Fabrice, Grenier, Jean-Claude
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 03.11.2008
WILEY‐VCH Verlag
Wiley-VCH Verlag
Subjects
Chemical Sciences
epitaxial films
K2NiF4
Material chemistry
oxygen electrodes
solid oxide fuel cells
Oxygen electrodes
K2NiF4
Solid oxide fuel cells
Epitaxial films
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Summary:The unexpected SOFC hetero‐epitaxial system with large lattice mismatch is demonstrated. A (110)‐oriented flat epitaxial film of Nd2NiO4+δ is successfully grown on the (100) surface of yttrium‐stabilized zirconia, which realizes selective exposure of the active surface for oxygen reduction. The charge‐transfer process is analyzed to be the rate‐limiting step with a simple impedance model.
Bibliography:istex:90DC339A91AF3B69103906CBD1A64F574588FBFD
This work was financially supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan, through a Grant-in-Aid for Scientific Research No. 19017007. Supporting Information is available online from Wiley InterScience or from the author.
ArticleID:ADMA200801199
Ministry of Education, Culture, Sports, Science and Technology of Japan - No. 19017007
ark:/67375/WNG-V0L5PG0W-Z
This work was financially supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan, through a Grant‐in‐Aid for Scientific Research No. 19017007. Supporting Information is available online from Wiley InterScience or from the author.
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200801199