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Damage and Creep Behavior in Planar Solid Oxide Fuel Cell by Modeling of Multiphysics Coupled
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Ming SONG1, Shuai MA1, Chuansheng DU2, Bingying WANG2, Wenchun JIANG3
Journal of the Chinese Ceramic Society | 2022, 50(1) : 212 - 218
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Journal of the Chinese Ceramic Society | 2022, 50(1): 212-218
• Research Articles •
Damage and Creep Behavior in Planar Solid Oxide Fuel Cell by Modeling of Multiphysics Coupled
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Ming SONG1, Shuai MA1, Chuansheng DU2, Bingying WANG2, Wenchun JIANG3
Affiliations
  • 1.College of Pipeline and Civil Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China
  • 2.College of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China
  • 3.College of New Energy, China University of Petroleum (East China), Qingdao 266580, Shandong, China

    • SONG Ming(1984-), male, Ph.D., Lecturer. E-mail:

About Author:

SONG Ming(1984-), male, Ph.D., Lecturer. E-mail:

Published: 2022-01-20 doi: 10.14062/j.issn.0454-5648.20210344
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A multiphysics-coupling model of solid oxide fuel cell (SOFC) was proposed via a software named COMSOL Multiphysics for the establishment of coupled fields of electrochemical-gas, flow-matter and transfer-temperature. The inhomogeneous temperature distribution obtained from the numerical analysis was applied to the corresponding model build by ABAQUS as a thermal load, and the creep damage subroutine developed based on the Wen-Tu creep ductile depletion model was used to analyze the creep damage of SOFC. The creep damage behavior of SOFC was investigated and the creep crack propagation was predicted. The results show that the creep deformation and damage of SOFC components firstly increase and then remain unchanged. The lower connector is the first to reach the critical damage value, which is the potential dangerous area and is the most likely to failure. After 50 000 h, two creep damages occur in SOFC. The maximum crack is 1.6 mm as the non-penetrating crack that occurs at the junction of 1.1 mm in the air inlet of the lower connector and the cathode material. Compared with the overall structure size, the smaller crack will not cause gas leakage, thus meeting the requirement of commercial safe operation for 40 000 h.

solid oxide fuel cell  /  uniform temperature field  /  creep and damage  /  crack propagation
宋明, 马帅, 杜传胜, 王炳英, 蒋文春. 多物理场耦合作用下平板式固体氧化物燃料电池的蠕变损伤行为. 硅酸盐学报, 2022 , 50 (1) : 212 -218 . DOI: 10.14062/j.issn.0454-5648.20210344
Ming SONG, Shuai MA, Chuansheng DU, Bingying WANG, Wenchun JIANG. Damage and Creep Behavior in Planar Solid Oxide Fuel Cell by Modeling of Multiphysics Coupled[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (1) : 212 -218 . DOI: 10.14062/j.issn.0454-5648.20210344
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Year 2022 volume 50 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20210344
  • Receive Date：2021-04-30
  • Online Date：2026-10-22
  • Published：2022-01-20
Article Data
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History
  • Received：2021-04-30
  • Revised：2021-07-30
Funding
Affiliations
    1.College of Pipeline and Civil Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China
    2.College of Materials Science and Engineering, China University of Petroleum (East China), Qingdao 266580, Shandong, China
    3.College of New Energy, China University of Petroleum (East China), Qingdao 266580, Shandong, China
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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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