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Preparation and Performance of Hierarchical Scaffold Cathode for Low-Temperature Solid Oxide Fuel Cells
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Fei WEI1, Leying WANG1, Linghong LUO1, Shuangshuang ZHANG1, Liang CHENG2, Xu XU1, Lin YANG3
Journal of the Chinese Ceramic Society | 2023, 51(7) : 1763 - 1772
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Journal of the Chinese Ceramic Society | 2023, 51(7): 1763-1772
• Research Articles •
Preparation and Performance of Hierarchical Scaffold Cathode for Low-Temperature Solid Oxide Fuel Cells
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Fei WEI1, Leying WANG1, Linghong LUO1, Shuangshuang ZHANG1, Liang CHENG2, Xu XU1, Lin YANG3
Affiliations
  • 1.School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, Jiangxi, China
  • 2.National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen 333001, Jiangxi, China
  • 3.Jiangmen Polytechnic, Jiangmen 529090, Guangdong, China

    • WEI Fei (1983-), female, Doctoral candidate. E-mail:

About Author:

WEI Fei (1983-), female, Doctoral candidate. E-mail:

Published: 2023-05-29 doi: 10.14062/j.issn.0454-5648.20220998
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In order to improve the electrochemical performance of cathodes for low-temperature solid oxide fuel cells, two kinds of La0.6Sr0.4Co0.2Fe0.8O3-δ/Ce0.9Gd0.1O2-δ (LSCF/GDC) cathodes with a multifunctional hierarchical scaffold structure were prepared. The microstructure and electrochemical properties of the cathodes were investigated. The results show that the GDC primary scaffold with a porosity of 80.5% fully ensure the construction of LSCF or GDC secondary scaffold, subsequent loading and oxygen diffusion in the working state. Based on the analyses of distribution of relaxation times for the electrochemical impedance spectra, the cathode with LSCF nanoparticles as a secondary scaffold has a total polarization resistance of only 0.236 Ω·cm2 at 600 ℃ due to the abundant reactive sites and unobstructed electronic conduction, and the GDC nanoparticles loading promotes the adsorption/dissociation of oxygen. The hierarchical scaffold cathode has a simple process and excellent oxygen reduction performance, which can promote the further development of low-temperature solid oxide fuel cells.

low-temperature solid oxide fuel cells  /  cathode  /  hierarchical scaffold  /  distribution of relaxation times
韦斐, 王乐莹, 罗凌虹, 张双双, 程亮, 徐序, 杨琳. 低温固体氧化物燃料电池层级骨架阴极的制备与性能. 硅酸盐学报, 2023 , 51 (7) : 1763 -1772 . DOI: 10.14062/j.issn.0454-5648.20220998
Fei WEI, Leying WANG, Linghong LUO, Shuangshuang ZHANG, Liang CHENG, Xu XU, Lin YANG. Preparation and Performance of Hierarchical Scaffold Cathode for Low-Temperature Solid Oxide Fuel Cells[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (7) : 1763 -1772 . DOI: 10.14062/j.issn.0454-5648.20220998
Appendix
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Year 2023 volume 51 Issue 7
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Article Info
doi: 10.14062/j.issn.0454-5648.20220998
  • Receive Date：2022-11-20
  • Online Date：2026-10-19
  • Published：2023-05-29
Article Data
Affiliations
History
  • Received：2022-11-20
  • Revised：2022-12-09
Funding
Affiliations
    1.School of Materials Science and Engineering, Jingdezhen Ceramic University, Jingdezhen 333403, Jiangxi, China
    2.National Engineering Research Center for Domestic & Building Ceramics, Jingdezhen Ceramic University, Jingdezhen 333001, Jiangxi, China
    3.Jiangmen Polytechnic, Jiangmen 529090, Guangdong, China

Corresponding:

WANG Leying (1988-), female, Ph.D., Lecturer. E-mail:
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number 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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