Journal of Inorganic Materials, Volume. 36, Issue 5, 497(2021)

Preparation and Property of GDC-LSF Dual-phase Composite Membrane with Straight Pores and Sandwich Structure

Qifan ZHENG, Chaoqun LI, Xiaokuan BAN, Zhongliang ZHAN, and Chusheng CHEN*
Author Affiliations
  • Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, China
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    Figures & Tables(9)
    Schematic diagram of GDC-LSF membrane preparation process
    Experimental setup for oxygen permeation measurements
    XRD patterns of GDC-LSF membranes
    SEM images of GDC-LSF membrane
    Oxygen permeation flux as a function of temperature when using He as sweep gas
    Electrical conductivity relaxation curves (normalized conductivity as a function of time) of GDC-LSF bar at 850 ℃ (a) and Arrhenius plots of the surface exchange coefficient at 800-900 ℃ (b) (1 bar=105 Pa)
    Temporal dependence of oxygen permeation flux of GDC-LSF membrane at 900 ℃
    • Table 1. Composition of the slurries for the support prepared by phase-inversion tape casting (wt%)

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      Table 1. Composition of the slurries for the support prepared by phase-inversion tape casting (wt%)

      CompositionSlurry 1 (Top)Slurry 2 (Bottom)
      GDC35.92-
      LSF20.58-
      Graphite13.5060.00
      NMP24.8333.10
      PESf4.145.52
      PVP1.031.38
    • Table 2. Composition of the slurries for the dense layer prepared by conventional tape casting (wt%)

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      Table 2. Composition of the slurries for the dense layer prepared by conventional tape casting (wt%)

      CompositionWeight percentage
      GDC36.33
      LSF20.80
      Ethanol16.80
      2-Butanone12.60
      TEOA1.72
      PVB5.75
      PEG-4003.00
      DBP3.00
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    Qifan ZHENG, Chaoqun LI, Xiaokuan BAN, Zhongliang ZHAN, Chusheng CHEN. Preparation and Property of GDC-LSF Dual-phase Composite Membrane with Straight Pores and Sandwich Structure[J]. Journal of Inorganic Materials, 2021, 36(5): 497

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Jul. 30, 2020

    Accepted: --

    Published Online: Nov. 25, 2021

    The Author Email: Chusheng CHEN (ccsm@ustc.edu.cn)

    DOI:10.15541/jim20200421

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