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Ken Watenabe, Masayoshi Yuasa, Tetsuya Kida, Yasutake Teraoka, Noboru Yamazoe and Kengo Shimanoe High-Performance Oxygen-Permeable Membranes with an Asymmetric Structure Using Ba0.95La0.05FeO3−δ Perovskite-Type Oxide Advanced Materials 22

Version of Record online: 30 MAR 2010 | DOI: 10.1002/adma.200903953

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High oxygen permeability was achieved using an asymmetric Ba0.95La0.05FeO3−δ membrane. In this membrane, oxygen diffuses physically through pores of a porous support and oxygen permeates electrochemically through a dense layer. The oxygen permeation flux of the asymmetric Ba0.95La0.05FeO3−δ membrane reached more than 10 cm3 (STP) min−1 cm−2 from a test gas containing 50% oxygen at 930 °C.

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