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题名: Combustion synthesis, annealing, and oxygen permeation properties of SrFeCo0.5Oy membranes
作者: Deng, ZQ;  Liu, W;  Peng, DK;  Chen, CS;  Yang, WS
刊名: MATERIALS RESEARCH BULLETIN
发表日期: 2004-06-08
DOI: 10.1016/j.materresbull.2004.03.016
卷: 39, 期:7-8, 页:963-969
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Materials Science, Multidisciplinary
研究领域[WOS]: Materials Science
英文摘要: Perovskite phase dominant SrFeCo0.5Oy ceramic membranes were made from powders prepared by a glycine-nitrate combustion process (GNP). The sample sintered at 1150 degreesC consisted of perovskite and spinel phase. The grain size of the sintered sample increased remarkably with the calcination temperature of the starting powder. The phase composition of a coarse-grained sample remained almost unchanged after annealing at 900 degreesC in air, whereas, annealing of a fine-grained sample resulted in the formation of an intergrowth oxide as a dominant phase. In comparison with solid state reaction (SSR) and sol-gel derived membranes, the GNP-derived membrane exhibited greater oxygen permeability, which could be attributed to the oxygen-deficient perovskite phase that is highly permeable to oxygen. (C) 2004 Elsevier Ltd. All rights reserved.
关键词[WOS]: DIFFUSION-COEFFICIENT ;  O SYSTEM ;  CONDUCTIVITY ;  POWDERS ;  METHANE ;  SYNGAS ;  PHASE
语种: 英语
WOS记录号: WOS:000222005400011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139536
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Sci & Technol China, Dept Mat Sci & Engn, Lab Adv Funct Mat & Devices, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Deng, ZQ,Liu, W,Peng, DK,et al. Combustion synthesis, annealing, and oxygen permeation properties of SrFeCo0.5Oy membranes[J]. MATERIALS RESEARCH BULLETIN,2004,39(7-8):963-969.
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