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Mixed-conducting perovskite-type SrxBi1-xFeO3_delta oxygen-permeating membranes
Shao, ZP; Cong, Y; Xiong, GX; Sheng, SS; Yang, WS
关键词Oxygen Membrane Srxbi1-xfeo3-delta Crystal Structure Phase Stability Permeation Flux
刊名SCIENCE IN CHINA SERIES B-CHEMISTRY
2000-08-01
43期:4页:421-427
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]SOLID ELECTROLYTES ; PARTIAL OXIDATION ; FUEL-CELLS ; REACTORS ; METHANE
英文摘要SrxBi1-xFeO3-delta (SBF) series mixed conductors were synthesized using standard ceramic method. The properties of such materials were characterized by XRD, O-2-TPD techniques. Abnormal crystal phenomena were found and explained and correlated with the oxygen permeation results. By analysis of the critical radius (r(c)), the degree of openness of the lattice (F-v) and the average metal-oxygen bonding energy of the perovskite lattice (ABE), it was proposed that the oxygen permeation flux is determined mainly by the oxygen diffusion rate in bulk when 1-x less than or equal to 0.5, and by the concentration of oxygen vacancy when 1-x greater than or equal to 0.5. The stability of Sr0.5Bi0.5FeO3-delta was also investigated, and the high stability of it was attributed to the stable BO6 octahedra.
语种英语
WOS记录号WOS:000089289400010
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被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138691
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
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Shao, ZP,Cong, Y,Xiong, GX,et al. Mixed-conducting perovskite-type SrxBi1-xFeO3_delta oxygen-permeating membranes[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2000,43(4):421-427.
APA Shao, ZP,Cong, Y,Xiong, GX,Sheng, SS,&Yang, WS.(2000).Mixed-conducting perovskite-type SrxBi1-xFeO3_delta oxygen-permeating membranes.SCIENCE IN CHINA SERIES B-CHEMISTRY,43(4),421-427.
MLA Shao, ZP,et al."Mixed-conducting perovskite-type SrxBi1-xFeO3_delta oxygen-permeating membranes".SCIENCE IN CHINA SERIES B-CHEMISTRY 43.4(2000):421-427.
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