• Journal of Inorganic Materials
  • Vol. 39, Issue 8, 911 (2024)
Jianlong PAN, Guanjun MA, Lemei SONG, Yu HUAN*, and Tao WEI*
Author Affiliations
  • School of Materials Science and Engineering, University of Jinan, Jinan 250022, China
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    DOI: 10.15541/jim20240025 Cite this Article
    Jianlong PAN, Guanjun MA, Lemei SONG, Yu HUAN, Tao WEI. High Stability/Catalytic Activity Co-based Perovskite as SOFC Anode: In-situ Preparation by Fuel Reducing Method [J]. Journal of Inorganic Materials, 2024, 39(8): 911 Copy Citation Text show less
    XRD patterns of SCMO and SVCMO before and after calcination under different conditions
    1. XRD patterns of SCMO and SVCMO before and after calcination under different conditions
    Microstructure of R-SVCMO sample
    2. Microstructure of R-SVCMO sample
    Thermal expansion of different materials
    3. Thermal expansion of different materials
    XPS spectra for SCMO and R-SVCMO
    4. XPS spectra for SCMO and R-SVCMO
    Conductivity and H2-TPR curves for SCMO and R-SVCMO in testing H2
    5. Conductivity and H2-TPR curves for SCMO and R-SVCMO in testing H2
    Electrochemical performance of single cells with SCMO and R-SVCMO as anode materials
    6. Electrochemical performance of single cells with SCMO and R-SVCMO as anode materials
    Electrochemical performance of single cells or symmetric cells with SCMO and R-SVCMO as anodes or symmetric electrodes
    7. Electrochemical performance of single cells or symmetric cells with SCMO and R-SVCMO as anodes or symmetric electrodes
    Electrochemical performance of single cells with SCMO and R-SVCMO as anodes in CH4 atmosphere
    8. Electrochemical performance of single cells with SCMO and R-SVCMO as anodes in CH4 atmosphere
    ietveld refined XRD patterns of (a) SCMO and (b) R-SVCMO
    S1. ietveld refined XRD patterns of (a) SCMO and (b) R-SVCMO
    XRD patterns of SVCMO and D-SVCMO composite anodes
    S2. XRD patterns of SVCMO and D-SVCMO composite anodes
    O1s XPS spectra for SVCMO and SCMO samples
    S3. O1s XPS spectra for SVCMO and SCMO samples
    XRD patterns of SVCMO and LSGM after co-firing in air for 5 h
    S4. XRD patterns of SVCMO and LSGM after co-firing in air for 5 h
    XRD patterns of SVCMO and SDC after co-firing in air for 5 h
    S5. XRD patterns of SVCMO and SDC after co-firing in air for 5 h
    XRD pattern of LSCF
    S6. XRD pattern of LSCF
    SEM image of the single cell with R-SVCMO anode
    S7. SEM image of the single cell with R-SVCMO anode
    Equivalent circuit for the fitting EIS of different cells
    S8. Equivalent circuit for the fitting EIS of different cells
    ParameterSCMOR-SVCMO
    Space groupI4/mI4/m
    a=b5.63745.6218
    c7.91287.8823
    α/(º)9090
    β/(º)9090
    γ/(º)9090
    Sr-O/Å2.81302.8071
    Co-O/Å2.07652.0532
    V-O/Å1.7758
    Mo-O/Å1.89451.9191
    Table 1. Lattice parameters of SCMO and R-SVCMO obtained by XRD Rietveld refinement
    SampleValence ratio/%
    MoOCo
    Mo5+Mo6+Olatt.Oad.H2OCo2+Co3+
    SCMO34.165.931.460.58.274.026.0
    R-SVCMO58.541.531.165.53.462.937.1
    Table 2. Area content percentages of Mo and Co elements in different valences, and different O types for SCMO and R-SVCMO samples based on XPS data
    Jianlong PAN, Guanjun MA, Lemei SONG, Yu HUAN, Tao WEI. High Stability/Catalytic Activity Co-based Perovskite as SOFC Anode: In-situ Preparation by Fuel Reducing Method [J]. Journal of Inorganic Materials, 2024, 39(8): 911
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