DICP OpenIR
Mixed-conducting perovskite-type SrxBi1-xFeO3_delta oxygen-permeating membranes
Shao, ZP; Cong, Y; Xiong, GX; Sheng, SS; Yang, WS
KeywordOxygen Membrane Srxbi1-xfeo3-delta Crystal Structure Phase Stability Permeation Flux
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
2000-08-01
Volume43Issue:4Pages:421-427
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordSOLID ELECTROLYTES ; PARTIAL OXIDATION ; FUEL-CELLS ; REACTORS ; METHANE
AbstractSrxBi1-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.
Language英语
WOS IDWOS:000089289400010
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/138691
Collection中国科学院大连化学物理研究所
AffiliationChinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
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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