Citation: Jian Hua TONG, Wei Shen YANG, Rui CAI, Bai Chun ZHU. A Novel Zirconium-Based Perovskite-Type Membrane Material for Oxygen Permeation[J]. Chinese Chemical Letters, ;2001, 12(9): 835-838.
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A novel zirconium-based membrane material of BaCo0.4Fe0.4Zr0.2O3-ä with cubic perovskite structure was synthesized for the first time through a method of citric and EDTA acid combined complexes. The structural stability was characterized by XRD, O2-TPD and H2-TPR techniques respectively. The high oxygen permeation flux of 0.873 mL/cm2·min at 950℃ was obtained under He/Air gradient. Meanwhile, the single activation energy for oxygen permeation and the long-term steady operation of 200 h at 800℃ were achieved.
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Keywords:
- Perovskite,
- mixed-conducting,
- oxygen separation,
- zirconium
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