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000828390 037__ $$aFZJ-2017-02351
000828390 041__ $$aEnglish
000828390 1001_ $$0P:(DE-Juel1)129660$$aSchulze-Küppers, Falk$$b0$$eCorresponding author$$ufzj
000828390 1112_ $$a92nd DKG Annual Meeting and Symposium on High-Performance Ceramics$$cBerlin$$d2017-03-19 - 2017-03-22$$wGermany
000828390 245__ $$aComparison of support microstructures for oxygen transport membranes: freeze-drying vs. tape-casting.
000828390 260__ $$c2017
000828390 3367_ $$033$$2EndNote$$aConference Paper
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000828390 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1490280005_15286$$xAfter Call
000828390 520__ $$aMixed Oxygen Ion Electron Conducting (MIEC) ceramic membranes for separation of oxygen from gas mixtures (OTM) are of great interest for different applications due to their high efficiency and practically infinite selectivity. Existing high performance membranes consist of a 20-50 µm thick membrane layer on a support with random porosity and varying thickness in the range of 500 – 1000 µm. Those membranes possess high oxygen flux, however, a non-adequate support microstructure can become rate limiting for the gas transfer. The gases may accumulate or deplete at the membrane-support interface due to insufficient gas exchange, which leads to a decrease in driving force across the membrane layer itself. Accordingly, microstructural optimization of the porous support architecture is needed, which involves controlled and tailored porosity, tortuosity, morphology, and pore opening diameter. Freeze drying is one opportunity to obtain hierarchical porous structures that potentially enhance the oxygen flux of the membrane.In this work, membranes with different support architectures are fabricated, i.e. hierarchically organized porous supports via water-based freeze drying and its porosity and membrane layer thickness is mimicked by tape casting for direct comparison. The effect of the support microstructure on oxygen flux and mechanical properties has been studied. The results will help to further improve membrane performance and aid the development of mechanical stable thin film membranes.
000828390 536__ $$0G:(DE-HGF)POF3-113$$a113 - Methods and Concepts for Material Development (POF3-113)$$cPOF3-113$$fPOF III$$x0
000828390 536__ $$0G:(EU-Grant)608524$$aGREEN-CC - Graded Membranes for Energy Efficient New Generation Carbon Capture Process (608524)$$c608524$$fFP7-ENERGY-2013-1$$x1
000828390 536__ $$0G:(DE-Juel1)HITEC-20170406$$aHITEC - Helmholtz Interdisciplinary Doctoral Training in Energy and Climate Research (HITEC) (HITEC-20170406)$$cHITEC-20170406$$x2
000828390 7001_ $$0P:(DE-Juel1)162276$$aZou, Ying$$b1$$ufzj
000828390 7001_ $$0P:(DE-Juel1)161336$$aBalaguer, Maria$$b2
000828390 7001_ $$0P:(DE-Juel1)129587$$aBaumann, Stefan$$b3$$ufzj
000828390 7001_ $$0P:(DE-Juel1)129637$$aMeulenberg, Wilhelm Albert$$b4$$ufzj
000828390 7001_ $$0P:(DE-Juel1)161591$$aGuillon, Olivier$$b5$$ufzj
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000828390 9131_ $$0G:(DE-HGF)POF3-113$$1G:(DE-HGF)POF3-110$$2G:(DE-HGF)POF3-100$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bEnergie$$lEnergieeffizienz, Materialien und Ressourcen$$vMethods and Concepts for Material Development$$x0
000828390 9141_ $$y2017
000828390 920__ $$lyes
000828390 9201_ $$0I:(DE-Juel1)IEK-1-20101013$$kIEK-1$$lWerkstoffsynthese und Herstellungsverfahren$$x0
000828390 9201_ $$0I:(DE-Juel1)IEK-2-20101013$$kIEK-2$$lWerkstoffstruktur und -eigenschaften$$x1
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