Preparation and characterisation of SrCe0.95Yb0.05O2.975 hollow fibre membranes |
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Institution: | 1. Department of Product Development of LS Business Unit, Sysmex Corporation, Kobe, Japan;2. Department of Pathology, Osaka Police Hospital, Osaka, Japan;3. Department of Molecular Pathology, Osaka University Graduate School of Medicine and Health Science, Osaka, Japan |
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Abstract: | A mixed proton and electronic conducting hollow fibre membrane, SrCe0.95Yb0.05O2.975 (SCYb), has been prepared by spinning a polymer solution containing suspended SCYb particles to a hollow fibre precursor, which is then sintered at elevated temperatures. The SCYb powders having a sub-micron size, i.e. an essential size for fabrication of the hollow fibre with good mechanical strength, were synthesised through a polymerised water-soluble complex method. By controlling weight ratio of the SCYb ceramic powder to the polymer binder and sintering temperatures, the SCYb ceramic hollow fibres with gas-tight properties can be prepared. Some primary factors affecting microstructures, gas tightness and mechanical strength of the mixed conducting hollow fibre membranes were studied in details. |
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