Chemical stability and H<sub>2</sub> flux degradation of cercer membranes based on lanthanum tungstate and lanthanum chromite

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Chemical stability and H₂ flux degradation of cercer membranes based on lanthanum tungstate and lanthanum chromite

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作者：Jonathan M. Polfus ; ^{jonathan.polfus@sintef.no" class="auth_mail" title="E-mail the corresponding author} ; Zuoan Li ; Wen Xing ; Martin F. Sunding ; John C. Walmsley ; Marie-Laure Fontaine ; Partow P. Henriksen ; Rune Bredesen
关键词：Hydrogen separation ; Dense ceramic membrane ; Ceramic&ndash ; ceramic composite ; Lanthanum tungstate ; Lanthanum chromite
刊名：Journal of Membrane Science
出版年：2016
出版时间：1 April 2016
年：2016
卷：503
期：Complete
页码：42-47
全文大小：2823 K

文摘

•: H₂ flux measured up to 1500 h at 1000 °C in 49% H₂.
•: H₂ flux was reduced by a factor of 5, and La₂O₃ segregation was observed.
•: Inherent compositional instability of the cation-disordered lanthanum tungstate.
•: Partial reduction of lanthanum tungstate to metallic W observed in dry H₂.

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