| 无Co混合导电型陶瓷透氧膜的制备和性质研究 |
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| 引用本文： | 李思温,丛铀.无Co混合导电型陶瓷透氧膜的制备和性质研究[J].膜科学与技术,1997,17(6):16-19,33. |
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| 作者姓名： | 李思温 丛铀 |
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| 作者单位： | 中国科学院大连化学物理研究所 |
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| 基金项目： | 国家自然科学基金,辽宁科技基金 |
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| 摘 要： | 首次合成了Ｓｒ１０－ｎ／２ＢｉｎＦｅ２０Ｏｍ（ｎ＝２，４，６，８，１０等）系列氧化物透氧膜，它们具有较高的透氧能力，其中，样品ｎ＝１０在１１００Ｋ时的透氧率为０．９０ｍｌ（ＳＴＤ）／（ｃｍ２·ｍｉｎ），比Ｓｒ１－ｘＢｉｘＦｅＯ３高约两倍．Ｓｒ１－ｘＢｉｘＦｅＯ３（ｘ＝０．１，０．３，０．５）系列的透氧率随Ｂｉ含量增加而增大．通过两个系列氧化物的ＸＲＤ和化学组成的对比，发现Ｂｉ离子含量和晶格空位浓度对透氧能力大小起决定性作用．
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| 关 键 词： | 透氧膜 混合导电型 透氧率 陶瓷 膜材料 膜分离 |
Synthesis and study oxygen permeating properties of the mixed conducting membranes without Co |
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| Li Siwen,Cong You,Fang Lianqing,Yang Weishen,Lin Liwu.Synthesis and study oxygen permeating properties of the mixed conducting membranes without Co[J].Membrane Science and Technology,1997,17(6):16-19,33. |
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| Authors: | Li Siwen Cong You Fang Lianqing Yang Weishen Lin Liwu |
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| Abstract: | A new series of mixed conducting oxides were synthesized in solid state reaction method,they have high oxygen permeability which is two times higher than that of Sr 1- x Bi x FeO 3 ( x =0.1,0.3,0.5). In Sr 1- x Bi x FeO 3( x =0.1,0.3,0.5),the oxygen flux increases with the increasing Bi contents.Comparing their XRD and chemical components of the oxides,it's found that the Bi contents and the oxygen vacancies control their oxygen permeability. |
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| Keywords: | oxygen permeating membrane mixed conducting structures synthesis oxygen flux |
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