<trans-title>Structural Stability of Ni-Fe Supported Solid Oxide Fuel Cells Based on Stress Analysis</trans-title>

Kai LI; Xiao LI; Jian LI; Jia-Miao XIE

doi:10.15541/jim20180398

Journal of Inorganic Materials, Volume. 34, Issue 6, 611(2019)

Structural Stability of Ni-Fe Supported Solid Oxide Fuel Cells Based on Stress Analysis

Kai LI1... Xiao LI1, Jian LI2 and Jia-Miao XIE3 |Show fewer author(s)

Author Affiliations

¹School of Materials Science and Engineering, Xi’an Shiyou University, Xi’an 710065, China;

²State Key Laboratory for Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;

³Department of Engineering Mechanics, Northwestern Polytechnical University, Xi’an 710065, China;

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Figures & Tables(10)

1. XRD patterns of N, NF91, NF73 and NF55 support

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2. Cross-sectional micrographs of MS-SOFC with N, NF91, NF73, and NF55 supports

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3. Sintering curves of N, NF91, NF73, NF55 supports and GDC

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4. Residual stress maps of N, NF91, NF73 and NF55 supports at room temperature

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5. Deformation and displacement diagrams of MS-SOFC with N, NF91, NF73 and NF55 supports

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6. Flexure strength of MS-SOFC with N, NF91, NF73 and NF55 supports before and after reduction

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7. I-V-P curves of SOFC with Ni, Ni_0.9Fe_0.1, Ni_0.7Fe_0.3 and Ni_0.5Fe_0.5 supports

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8. Impedance spectra of SOFC with Ni, Ni_0.9Fe_0.1, Ni_0.7Fe_0.3 and Ni_0.5Fe_0.5 supports

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9. Stability tests of SOFC with Ni, Ni_0.9Fe_0.1, Ni_0.7Fe_0.3 and Ni_0.5Fe_0.5 supports at 650 ℃ and a constant current density of 400 mA·cm^-2

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Table 1. Material properties of MS-SOFC components

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Table 1. Material properties of MS-SOFC components

Materials	Temperature/℃	Elasticity modulus/GPa	Poisson ratio	CTE/×10^-6
N	25	180	0.310	16.3
N	1350	176	0.310	15.9
NF91	25	150	0.268	14.8
NF91	1350	148	0.281	14.1
NF73	25	146	0.270	14.2
NF73	1350	143	0.280	13.6
NF55	25	140	0.280	14.1
NF55	1350	132	0.290	13.6
NiO+GDC	25	190	0.292	14.2
NiO+GDC	1350	192	0.300	13.8
GDC	25	260	0.262	13.6
GDC	1350	290	0.264	13.1

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Kai LI, Xiao LI, Jian LI, Jia-Miao XIE. Structural Stability of Ni-Fe Supported Solid Oxide Fuel Cells Based on Stress Analysis[J]. Journal of Inorganic Materials, 2019, 34(6): 611

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