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Ce0.85Sm0.15O1.925-Sm0.6Sr0.4Al0.3Fe0.7O3 dual-phase membranes: One-pot synthesis and stability in a CO2 atmosphere
Zhu, Xuefeng; Liu, Yan; Cong, You; Yang, Weishen
关键词Dual-phase Membrane Oxygen Permeation Synthesis Method Co2 Stability
刊名SOLID STATE IONICS
2013-12-15
DOI10.1016/j.ssi.2013.08.040
253页:57-63
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical ; Physics, Condensed Matter
研究领域[WOS]Chemistry ; Physics
关键词[WOS]HOLLOW-FIBER MEMBRANE ; OXYGEN-PERMEATION ; COMPOSITE MEMBRANES ; ELECTRICAL-CONDUCTIVITY ; CERAMIC MICROSTRUCTURE ; PEROVSKITE MEMBRANES ; IONIC-CONDUCTIVITY ; PERMEABILITY ; SEPARATION ; CAPTURE
英文摘要As alternatives of single-phase mixed conducting materials, dual-phase materials have been suggested as candidates for application as oxygen separation membranes, since it is difficult to meet all the requirements in a single-phase membrane material. The influence of synthetic methods on the performance of the 75 wt.%Ce0.85Sm0.15O1.925-25 wt.%Sm0.6Sr0.4Al0.3Fe0.7O3 (SDC-SSAF) dual-phase membranes has been investigated. Three one-pot methods, i.e. the solid state reaction (SSR), EDTA-citrate complex (EC) and co-precipitation (CP) methods, were used to prepare the SDC-SSAF powder. The structure, surface morphologies, electrical conductivity, oxygen permeation, and stability in a CO2 atmosphere were investigated. It was found that the membrane derived from the SSR method shows the highest oxygen permeation flux and total conductivity. The significant differences between the performances of the dual-phase membrane derived from the different methods relates to the different microstructures developed during membrane preparation, which further influences the formation of a continuous electronic Conduction network across the membranes. The stability of the dual-phase membrane was studied by treating the membrane materials under a CO2 atmosphere and by sweeping the membrane with pure CO2. The results show that the membrane is CO2-stable and is potentially integrated with the oxyfuel process for CO2 capture. (C) 2013 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000329478400009
引用统计
被引频次:23[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/321008/137548
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, Peoples R China
推荐引用方式
GB/T 7714
Zhu, Xuefeng,Liu, Yan,Cong, You,et al. Ce0.85Sm0.15O1.925-Sm0.6Sr0.4Al0.3Fe0.7O3 dual-phase membranes: One-pot synthesis and stability in a CO2 atmosphere[J]. SOLID STATE IONICS,2013,253:57-63.
APA Zhu, Xuefeng,Liu, Yan,Cong, You,&Yang, Weishen.(2013).Ce0.85Sm0.15O1.925-Sm0.6Sr0.4Al0.3Fe0.7O3 dual-phase membranes: One-pot synthesis and stability in a CO2 atmosphere.SOLID STATE IONICS,253,57-63.
MLA Zhu, Xuefeng,et al."Ce0.85Sm0.15O1.925-Sm0.6Sr0.4Al0.3Fe0.7O3 dual-phase membranes: One-pot synthesis and stability in a CO2 atmosphere".SOLID STATE IONICS 253(2013):57-63.
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