OXYGEN PERMEATION AND STABILITY OF Zr0.84Y0.16O1.92-La0.8Sr0.2Cr0.5Fe0.5O3-δ DUAL-PHASE COMPOSITE

机译：Zr0.84Y0.16O1.92-La0.8Sr0.2Cr0.5Fe0.5O3-δ双相复合材料的透氧性和稳定性

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A disk shaped membrane made of Zr0.84Y0.16O1.92 (60 vol%) and La0.8Sr0.2Cr0.5Fe0.5O3-δ (40 vol%) was prepared by a standard ceramic process. Oxygen permeation through the membrane was measured by exposing one side to ambient air and sweeping the other side with pure helium or pure CO. An oxygen permeation flux of 2.31×10-8mol.cm-2.s-1 was measured at 950℃ under air/He gradient, and a much larger flux of 2.70×10-7mol.cm-2.s-1 at 950 ℃ under air/CO gradient. The membrane tube was found to exhibit excellent stability under highly reducing atmosphere and elevated temperatures.

机译：通过标准陶瓷工艺制备由Zr0.84Y0.16O1.92（60体积％）和La0.8Sr0.2Cr0.5Fe0.5O3-δ（40体积％）制成的盘状膜。将一侧暴露于环境空气中，然后用纯氦气或纯CO吹扫另一侧，以测量通过膜的氧气渗透率。在950℃的条件下，测得的氧气渗透通量为2.31×10-8mol.cm-2.s-1。空气/氦气梯度，在950℃空气/ CO梯度下的通量更大，为2.70×10-7mol.cm-2.s-1。发现该膜管在高度还原的气氛和升高的温度下表现出优异的稳定性。

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来源
《Proceedings of the 12th Asian conference on solid state ionics : Fundamental researches and technological applications》|2010年|p.262-268|共7页
会议地点 Wuhan(CN)
作者
JIANJUN LIU; CHUSHENG CHEN;
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作者单位

Laboratory of Advanced Functional Materials and Devices, Department of MaterialsScience and Engineering, University of Science and Technology of China,Hefei, Anhui 230026, P. R. China;

Laboratory of Advanced Functional Materials and Devices, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China;

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原文格式 PDF
正文语种 eng
中图分类材料;
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入库时间 2022-08-26 13:47:22

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OXYGEN PERMEATION AND STABILITY OF Zr0.84Y0.16O1.92-La0.8Sr0.2Cr0.5Fe0.5O3-δ DUAL-PHASE COMPOSITE

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