• Journal of Inorganic Materials
  • Vol. 39, Issue 11, 1189 (2024)
Dingxi XUE1, Bingyao YI1, Guojun LI1,*, Shuai MA2, and Keqin LIU3
Author Affiliations
  • 11. MOE Key Laboratory of Thermo-Fluid Science and Engineering, School of Energy & Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
  • 22. Xi'an BYD Auto Company Limited, Xi'an 710049, China
  • 33. Gree Altairnano New Energy Inc., Zhuhai 519040, China
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    DOI: 10.15541/jim20240117 Cite this Article
    Dingxi XUE, Bingyao YI, Guojun LI, Shuai MA, Keqin LIU. Numerical Simulation of Thermal Stress in Solid Oxide Fuel Cells with Functional Gradient Anode[J]. Journal of Inorganic Materials, 2024, 39(11): 1189 Copy Citation Text show less
    Geometric model of the fuel cell
    1. Geometric model of the fuel cell
    Distribution functions of functional gradient materials in anode
    2. Distribution functions of functional gradient materials in anode
    Effect of Ni volume fraction on TPB density
    3. Effect of Ni volume fraction on TPB density
    Distribution of residual stress in electrolyte based on model
    4. Distribution of residual stress in electrolyte based on model
    Polarization curves of simulation and experiment[20]
    5. Polarization curves of simulation and experiment[20]
    Schematic of SOFC sintering process
    6. Schematic of SOFC sintering process
    First principal stresses of anode in different preparation processes
    7. First principal stresses of anode in different preparation processes
    Maximum residual stresses in (a) anode, (b) cathode and (c) electrolyte
    8. Maximum residual stresses in (a) anode, (b) cathode and (c) electrolyte
    Temperature distribution of the cell during operation
    9. Temperature distribution of the cell during operation
    Stress distribution in the metal frame of the cell during operation
    10. Stress distribution in the metal frame of the cell during operation
    First principal stress at the anode interface along y axis
    11. First principal stress at the anode interface along y axis
    Maximum residual stresses in SOFC under different gradient conditions
    12. Maximum residual stresses in SOFC under different gradient conditions
    ParameterValue/mmDescription
    L×W×H40×40×4.59Length, width and height of the SOFC model
    hASL0.48Thickness of anode support layer
    hAFL0.02Thickness of anode functional layer
    hEL0.02Thickness of electrolyte
    hCFL0.02Thickness of cathode functional layer
    hCCCL0.05Thickness of cathode current collecting layer
    Hch1Height of gas channel
    Wch6Width of gas channel
    Table 1. Geometric parameters of the model
    MaterialT/K E/MPa $\nu $$\alpha $/(×10–6, K–1).
    NiO2982200.3211.70
    10732200.3214.10
    Ni2982100.3012.48
    10731710.3016.90
    LSM29841.30.2811.42
    107348.30.2812.70
    8YSZ2982060.318.37
    10731450.3110.50
    Frame2982160.3010.06
    1073920.3011.87
    Table 2. Material parameters of the model[10, 13-17]
    Dingxi XUE, Bingyao YI, Guojun LI, Shuai MA, Keqin LIU. Numerical Simulation of Thermal Stress in Solid Oxide Fuel Cells with Functional Gradient Anode[J]. Journal of Inorganic Materials, 2024, 39(11): 1189
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