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Flux investigations on composite (La0.8Sr0.2)0.95Cr0.5Fe0.5O3 − δ–Sc0.198Ce0.012Zr0.789O1.90 oxygen transport membranes

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Zachary Alexander Dehaney-Steven, Despoina Papargyriou, John Thomas Sirr Irvine

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Abstract

Oxygen permeation measurements were performed on planar membranes of (La0.8Sr0.2)0.95Cr0.5Fe0.5O3 − δ (LSCrF)–Sc0.198Ce0.012Zr0.789O1.90 (10Sc1CeSZ) with various exchange layers and membrane thicknesses. Addition of a fuel side exchange layer capable of nickel exsolution provided approximately twice the performance compared with no exsolved catalyst for a 300 μm thick membrane at 900 °C. Use of a 20 μm thick membrane with a porous support structure produced a further 7 fold improvement in oxygen flux at 900 °C to yield 3.54 ml cm− 2 min− 1.
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Original languageEnglish
Pages (from-to)338-341
Number of pages4
JournalSolid State Ionics
Volume288
Early online date27 Jan 2016
DOIs
Publication statusPublished - May 2016

    Research areas

  • Oyxgen transport membrane, Perovskite, Fluorite

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