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Perovskite-type B-site Bi-doped ceramic membranes for oxygen separation
Shao, ZP; Cong, Y; Xiong, GX; Sheng, SS; Yang, WS
关键词Bi2o3 Mixed Conductor Inorganic Membrane Perovskite Oxygen Permeation
刊名CHINESE SCIENCE BULLETIN
2000-05-01
45期:10页:889-893
收录类别SCI
文章类型Article
部门归属5
项目归属504
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]PERMEATION ; ION
英文摘要Novel mixed conducting oxides, B-site Bi-doped perovskites were exploited and synthesized. Cubic perovskite structures were formed for BaBi0.2COyFe0.8-yO3-delta (y less than or equal to 0.4) and BaBixCo0.2Fe0.8-xP3-delta (x=0.1-0.5) The materials exhibited considerable high oxygen permeability at high temperature. The oxygen permeation flux of BaBi0.2Co0.35Fe0.45O3-delta membrane reached about 0.77 x 10(-6) mol/cm(2) s under an air/helium oxygen partial pressure gradient at 900 degrees C, which was much higher than that of other bismuth-contained mixed conducting membranes. The permeation fluxes of the materials increased with the increase of cobalt content, but no apparent simple relationship was found with the bismuth content. The materials also demonstrated excellent reversibility of oxygen adsorption and desorption. Stable time-related oxygen permeation fluxes were found for BaBi0.2CO0.35Fe0.45O3-delta and BaBi0.3Co0.2Fe0.5O3-delta a membranes at 875 degrees C.
语种英语
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WOS记录号WOS:000088416300006
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/85149
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. Perovskite-type B-site Bi-doped ceramic membranes for oxygen separation[J]. CHINESE SCIENCE BULLETIN,2000,45(10):889-893.
APA Shao, ZP,Cong, Y,Xiong, GX,Sheng, SS,&Yang, WS.(2000).Perovskite-type B-site Bi-doped ceramic membranes for oxygen separation.CHINESE SCIENCE BULLETIN,45(10),889-893.
MLA Shao, ZP,et al."Perovskite-type B-site Bi-doped ceramic membranes for oxygen separation".CHINESE SCIENCE BULLETIN 45.10(2000):889-893.
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