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https://hdl.handle.net/2440/103131
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dc.contributor.author | Cheng, S. | - |
dc.contributor.author | Wang, Y. | - |
dc.contributor.author | Zhuang, L. | - |
dc.contributor.author | Xue, J. | - |
dc.contributor.author | Wei, Y. | - |
dc.contributor.author | Feldhoff, A. | - |
dc.contributor.author | Caro, J. | - |
dc.contributor.author | Wang, H. | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | Angewandte Chemie International Edition, 2016; 55(36):10895-10898 | - |
dc.identifier.issn | 1433-7851 | - |
dc.identifier.issn | 1521-3773 | - |
dc.identifier.uri | http://hdl.handle.net/2440/103131 | - |
dc.description.abstract | A novel concept for the preparation of multiphase composite ceramics based on demixing of a single ceramic precursor has been developed and used for the synthesis of a dual-phase H2 -permeable ceramic membrane. The precursor BaCe0.5 Fe0.5 O3-δ decomposes on calcination at 1370 °C for 10 h into two thermodynamically stable oxides with perovskite structures: the cerium-rich oxide BaCe0.85 Fe0.15 O3-δ (BCF8515) and the iron-rich oxide BaCe0.15 Fe0.85 O3-δ (BCF1585), 50 mol % each. In the resulting dual-phase material, the orthorhombic perovskite BCF8515 acts as the main proton conductor and the cubic perovskite BCF1585 as the main electron conductor. The dual-phase membrane shows an extremely high H2 permeation flux of 0.76 mL min(-1) cm(-2) at 950 °C with 1.0 mm thickness. This auto-demixing concept should be applicable to the synthesis of other ionic-electronic conducting ceramics. | - |
dc.description.statementofresponsibility | Shunfan Cheng, Yanjie Wang, Libin Zhuang, Jian Xue, Yanying Wei, Armin Feldhoff, Jîrgen Caro and Haihui Wang | - |
dc.language.iso | en | - |
dc.publisher | Wiley | - |
dc.rights | © 2016 Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim | - |
dc.source.uri | http://dx.doi.org/10.1002/anie.201604035 | - |
dc.subject | ceramic membranes | - |
dc.subject | dual-phase composites | - |
dc.subject | electron conductors | - |
dc.subject | hydrogen permeation | - |
dc.subject | proton conductors | - |
dc.title | A dual-phase ceramic membrane with extremely high H₂ permeation flux prepared by autoseparation of a ceramic precursor | - |
dc.title.alternative | A dual-phase ceramic membrane with extremely high H(2) permeation flux prepared by autoseparation of a ceramic precursor | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1002/anie.201604035 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 7 Chemistry publications |
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