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<datestamp>2018-01-16</datestamp>
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<title lang=en>Palladium surface modified La0.6Sr0.4Co0.2Fe0.8O3−δ hollow fibres for oxygen separation</title>
<creator>Yacou, Christelle</creator>
<creator>Sunarso, Jaka</creator>
<creator>Lin, Chun X.C.</creator>
<creator>Smart, Simon</creator>
<creator>Liu, Shaomin</creator>
<creator>Diniz da Costa, João C.</creator>
<contributor>Institut Européen des membranes (IEM) ; Centre National de la Recherche Scientifique (CNRS) - Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM) - Université Montpellier 2 - Sciences et Techniques (UM2) - Université de Montpellier (UM)</contributor>
<contributor>Chimie des Matériaux - Connaissance et Valorisation (COVACHIMM) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>State key Laboratory of Remote Sensing Science ; State key Laboratory of Remote Sensing Science</contributor>
<contributor>The University of Queensland, FIM2Lab – Functional Interfacial Materials and Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4067, Australia (FIM2Lab) ; University of Queensland [Brisbane]</contributor>
<description>International audience</description>
<source>ISSN: 0376-7388</source>
<source>Journal of Membrane Science</source>
<publisher>Elsevier</publisher>
<identifier>hal-01683196</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01683196</identifier>
<source>https://hal.univ-antilles.fr/hal-01683196</source>
<source>Journal of Membrane Science, Elsevier, 2011, 380 (1-2), pp.223 - 231. 〈10.1016/j.memsci.2011.07.008〉</source>
<identifier>DOI : 10.1016/j.memsci.2011.07.008</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.memsci.2011.07.008</relation>
<language>en</language>
<subject>[CHIM.MATE] Chemical Sciences/Material chemistry</subject>
<subject>[CHIM.GENI] Chemical Sciences/Chemical engineering</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Abstract View references (35)La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) hollow fibres were prepared by a phase inversion/sintering method using polyetherimide as a binder. In order to overcome surface exchange kinetics limitation, LSCF hollow fibres were coated with ∼200nm palladium (Pd) nanoparticles. The O2 flux of best performing membranes increased by up to 350% in comparison to unmodified LSCF hollow fibres. Optimal enhancement was achieved with a single Pd coating. Additional coatings resulted in reduced O2 fluxes, thus counter acting the beneficial spill-over effect of the catalyst. Long term stability testing in atmospheric air at 850°C showed that a LSCF membrane modified with a single Pd coating continually outperformed a pure LSCF hollow fibre for over 400h, though the level of enhancement was reduced over time. A dramatic reduction in performance of more than 45% occurred within the first 24h of testing, which was attributed to the coalescence and aggregation of Pd catalyst particles to ∼1000nm size at the LSCF grain boundaries. This greatly reduced the available area for the oxygen species to spill-over onto the LSCF surface and thus reduced the overall O2 flux. © 2011 Elsevier B.V.</description>
<date>2011-09</date>
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