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Correlation between structural and electrical properties in highly porous (Y,Sr)(Ti,Nb)O3-delta SOFC anodes
Abstrakt
In order to find a relationship between structural and electrical properties, niobium and yttrium doped SrTiO3 ceramics were prepared via solid-state reaction. The samples were sintered in hydrogen and air conditions. The samples were also fabricated with a pore-former to obtain highly porous specimens. The electrical properties of Nb-doped SrTiO3 samples and yttrium and niobium co-doped SrTiO3 were compared. The comparable electrical properties were observed and discussed according to previous literature reports. It was noticed that the synthesis in a reducing hydrogen atmosphere can increase the solubility of dopants. Moreover, the samples sintered in air presented lower conductivity level and worse structural properties than the samples sintered in hydrogen. The explanation of obtained results was also suggested and discussed.
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- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
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MATERIALS SCIENCE-POLAND
nr 32,
wydanie 3,
strony 331 - 340,
ISSN: 0137-1339 - Język:
- angielski
- Rok wydania:
- 2014
- Opis bibliograficzny:
- Miruszewski T., Trawiński B., Gałka M., Morzy J., Bochentyn B., Karczewski J., Gdaniec P., Gazda M., Kusz B.: Correlation between structural and electrical properties in highly porous (Y,Sr)(Ti,Nb)O3-delta SOFC anodes// MATERIALS SCIENCE-POLAND. -Vol. 32, iss. 3 (2014), s.331-340
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 97 razy
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