DICP OpenIR
Selection of Oxygen Permeation Models for Different Mixed Ionic-Electronic Conducting Membranes
Zhu, Yue1,2; Li, Wenping1,2; Liu, Yan1,2; Zhu, Xuefeng1; Yang, Weishen1
KeywordOxygen Permeation Models Miec Membranes Oxygen Vacancy Oxygen Partial Pressure Perovskite
Source PublicationAICHE JOURNAL
2017-09-01
DOI10.1002/aic.15718
Volume63Issue:9Pages:4043-4053
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Chemical
WOS Research AreaEngineering
WOS KeywordHOLLOW-FIBER MEMBRANE ; OXIDE FUEL-CELLS ; PEROVSKITE-TYPE OXIDES ; DUAL-PHASE MEMBRANES ; PARTIAL OXIDATION ; AIR SEPARATION ; STRUCTURAL STABILITY ; COMPOSITE MEMBRANE ; CERAMIC MEMBRANES ; EXCHANGE KINETICS
AbstractPermeation data of several mixed ionic-electronic conducting (MIEC) membranes were analyzed by two oxygen permeation models (i.e., Zhu's model and Xu-Thomson's model), respectively, to find a concise method to guide the choice of permeation models. We found that Zhu's model can well fit the permeation data of perovskite-type membranes, like Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) and BaCe0.05Fe0.95O3-delta (BCF), and dual-phase membranes, like 75 wt % Ce0.85Sm0.15O1.925-25 wt % Sm0.6Sr0.4Al0.3Fe0.7O3-delta (SDC-SSAF), whose oxygen vacancy concentrations are almost independent of the oxygen partial pressure at elevated temperatures. However, Zhu's model was not appropriate for membranes whose oxygen vacancy concentration changed obviously with oxygen partial pressure at elevated temperatures, such as La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF) and La0.7Sr0.3CoO3-delta (LSC). On the contrary, XuThomson's model can fit the data of LSCF and LSC well, but it is inapplicable for BSCF, BCF, and SDC-SSAF. Therefore, the dependence of oxygen vacancy concentration on oxygen partial pressure was suggested as an index for the selection of the permeation models. (C) 2017 American Institute of Chemical Engineers
Language英语
WOS IDWOS:000407192500034
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149947
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Yue,Li, Wenping,Liu, Yan,et al. Selection of Oxygen Permeation Models for Different Mixed Ionic-Electronic Conducting Membranes[J]. AICHE JOURNAL,2017,63(9):4043-4053.
APA Zhu, Yue,Li, Wenping,Liu, Yan,Zhu, Xuefeng,&Yang, Weishen.(2017).Selection of Oxygen Permeation Models for Different Mixed Ionic-Electronic Conducting Membranes.AICHE JOURNAL,63(9),4043-4053.
MLA Zhu, Yue,et al."Selection of Oxygen Permeation Models for Different Mixed Ionic-Electronic Conducting Membranes".AICHE JOURNAL 63.9(2017):4043-4053.
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