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Thermal Stress of Solid Oxide Fuel Cell with Gradient Porosity Anode
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Ming SONG1, Chuansheng DU2, Bingying WANG2, Shuai MA1, Wenchun JIANG3
Journal of the Chinese Ceramic Society | 2022, 50(5) : 1233 - 1240
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Journal of the Chinese Ceramic Society | 2022, 50(5): 1233-1240
• Research Articles •
Thermal Stress of Solid Oxide Fuel Cell with Gradient Porosity Anode
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Ming SONG1, Chuansheng DU2, Bingying WANG2, Shuai MA1, 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: 2022-05-20 doi: 10.14062/j.issn.0454-5648.20210366
Outline
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Gradient anode is an effective way to improve the electrical performance of anode-supported solid oxide fuel cell (SOFC). However, the porosity is closely related to the thermomechanical properties and thermal stress distribution of the anode. It is thus important to investigate the comprehensive effect of porosity on the thermal stress and electrical performance of SOFC. A single planar SOFC model considering various porosity-dependent properties of the materials was proposed via multi-physics coupling based on the COMSOL Multiphysics simulation platform. The electrochemical performance and thermal stress distribution of the SOFC with a gradient-porosity-anode design at working stage were investigated. The results show that the gradient porosity-anode design effectively improves the thermomechanical matching of the positive-electrolyte-negative structure, while maintains the high electrochemical performance of the SOFC. Compared with the usual uniform porosity anode designed SOFC with a porosity of 0.4, the output power of SOFC is increased by 3.5%, while the maximum first principal stress of the electrolyte is reduced by 68.5%. The results of this study provide the theoretical and data supports for optimizing anode structure design of SOFC.

solid oxide fuel cell  /  thermal stress  /  gradient porosity anode  /  numerical simulation
宋明, 杜传胜, 王炳英, 马帅, 蒋文春. 梯度孔隙阳极固体氧化物燃料电池的热应力. 硅酸盐学报, 2022 , 50 (5) : 1233 -1240 . DOI: 10.14062/j.issn.0454-5648.20210366
Ming SONG, Chuansheng DU, Bingying WANG, Shuai MA, Wenchun JIANG. Thermal Stress of Solid Oxide Fuel Cell with Gradient Porosity Anode[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (5) : 1233 -1240 . DOI: 10.14062/j.issn.0454-5648.20210366
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Year 2022 volume 50 Issue 5
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Article Info
doi: 10.14062/j.issn.0454-5648.20210366
  • Receive Date：2021-05-14
  • Online Date：2026-10-22
  • Published：2022-05-20
Article Data
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History
  • Received：2021-05-14
  • Revised：2021-09-03
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

Corresponding:

WANG Bingying (1972-), female, Ph.D., Professor. E-mail:
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