期刊
JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY
卷 8, 期 5, 页码 -出版社
ASME
DOI: 10.1115/1.4003982
关键词
SOFC; interconnect; SrTiO3; perovskite; non-stoichiometry
The A-Site and B-Site non-stoichiometry and sintering characteristics of (Sr1-xLax)(1-y)Ti1-zO3 perovskites were studied using samples prepared by solid-state mixing. A-Site or B-Site deficiency was observed for La-doped SrTiO3 perovskites, and this increased with increasing La content. For A-Site deficient (Sr1-xLax)(1-y)TiO3 perovskites, the cell volumes decreased although the reverse was observed for B-Site deficient (Sr1-xLax)Ti1-zO3 perovskites. This may be related to number of B-Site vacancies in the perovskites through charge compensation. It was found that A-Site and B-Site deficiencies increase the density of (Sr1-xLax)(1-y)Ti1-zO3 perovskites. These characteristics may prove useful in the development of solid oxide fuel cell interconnect materials. [DOI: 10.1115/1.4003982]
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