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Residual Thermal Stress and Failure Probability Analysis of Solid Oxide Fuel Cell with Gradient Anode
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Xi ZHANG, Zilin YAN, Yexin ZHOU, Zheng ZHONG
Journal of the Chinese Ceramic Society | 2022, 50(5) : 1223 - 1232
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Journal of the Chinese Ceramic Society | 2022, 50(5): 1223-1232
• Research Articles •
Residual Thermal Stress and Failure Probability Analysis of Solid Oxide Fuel Cell with Gradient Anode
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Xi ZHANG, Zilin YAN, Yexin ZHOU, Zheng ZHONG
Affiliations
  • School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, Guangdong, China

    • ZHANG Xi (1998-), male, Master candidate. E-mail:

About Author:

ZHANG Xi (1998-), male, Master candidate. E-mail:

Published: 2022-05-20 doi: 10.14062/j.issn.0454-5648.20210365
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Due to the difference of thermal expansion coefficient between the components in the solid oxide fuel cell (SOFC), there are some residual thermal stresses in the cell in fabrication. Introducing the functional gradient layer is an effective technique to relieve the residual thermal stress in fabrication. The residual thermal stress and failure probability were calculated by a commercial package named ANSYS. The effects of gradient distribution factor n, sublayers number w in the gradient layer and gradient layer thickness H on the thermal residual stress and failure probability were investigated. The results show that the functional gradient layer can reduce the stress and failure probability in the cell. The increase of the number of sublayers w has little effect on the decrease of the stress and failure probability when the w number exceeds 2. The optimum w number of sublayers is 2. When the gradient distribution factor n is small, the anode failure probability decreases with the increase of gradient layer thickness. In addition, the gradient parameter for the composition functionally graded anode layer was also optimized.

solid oxide fuel cell  /  residual thermal stress  /  functional gradient  /  failure probability
张曦, 严资林, 周晔欣, 仲政. 含梯度阳极固体氧化物燃料电池热残余应力与失效概率分析. 硅酸盐学报, 2022 , 50 (5) : 1223 -1232 . DOI: 10.14062/j.issn.0454-5648.20210365
Xi ZHANG, Zilin YAN, Yexin ZHOU, Zheng ZHONG. Residual Thermal Stress and Failure Probability Analysis of Solid Oxide Fuel Cell with Gradient Anode[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (5) : 1223 -1232 . DOI: 10.14062/j.issn.0454-5648.20210365
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Year 2022 volume 50 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20210365
  • Receive Date：2021-05-10
  • Online Date：2026-10-22
  • Published：2022-05-20
Article Data
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History
  • Received：2021-05-10
  • Revised：2021-10-25
Funding
Affiliations
    School of Science, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, Guangdong, China

Corresponding:

ZHOU Yexin (1983-), male, Ph.D., Associate Professor. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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