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In-situ Hydrothermal Growth of Dense Ceria Based Barrier Layer for Solid Oxide Fuel Cells
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Haoyu ZHAO, Qiuqiu LYU, Liya CHENG, Shenglong WU, Tenglong ZHU, Qin ZHONG
Journal of the Chinese Ceramic Society | 2023, 51(4) : 1000 - 1006
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Journal of the Chinese Ceramic Society | 2023, 51(4): 1000-1006
• Research Articles •
In-situ Hydrothermal Growth of Dense Ceria Based Barrier Layer for Solid Oxide Fuel Cells
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Haoyu ZHAO, Qiuqiu LYU, Liya CHENG, Shenglong WU, Tenglong ZHU, Qin ZHONG
Affiliations
  • School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

    • ZHAO Haoyu (2000-), female, Master candidate. E-mail:

About Author:

ZHAO Haoyu (2000-), female, Master candidate. E-mail:

Published: 2023-04-20 doi: 10.14062/j.issn.0454-5648.20221073
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A novel fabrication method of dense ceria-based barrier layer was proposed to fulfil the low-cost fabrication and long-term operation of solid oxide fuel cell (SOFC). A Y2O3 stabilized ZrO2 (YSZ) electrolyte of anode supported half-cell was immersed in a solution of gadolinium nitrate and cerium nitrate, and treated at 180 ℃ for 36 h, then yielding a dense Gd2O3 doped CeO2 (GDC) thin film. The GDC thin film was co-sintered with screen printed La0.6Sr0.4Co0.2Fe0.8O3-δ cathode at 1075 ℃, thus obtaining an anode supported single cell. The results show that the hydrothermal grown GDC barrier layer is continuous and dense, with a chemical composition of Gd0.044Ce0.956O2-δ and a thickness of 0.23 μm. The Ohmic resistance of anode supported a single cell at 750 ℃ is 0.101 Ω·cm2, which is 38% lower than that of the cell with a conventional screen printed GDC barrier layer. The maximum power density using a wet hydrogen fuel reaches 1.038 W/cm2 with a decent long-term operation durability. This hydrothermal in-situ growth method can satisfy the low-cost and large-scale fabrication of dense and thin-film barrier layers for SOFC with multi-configurations and dimensions, showing a promising application prospect.

solid oxide fuel cell  /  barrier layer  /  gadolinium-doped ceria  /  in-situ hydrothermal growth  /  ceramic thin film
赵浩宇, 吕秋秋, 程丽亚, 吴升龙, 朱腾龙, 钟秦. 水热原位生长制备致密氧化铈基固体氧化物燃料电池隔离层. 硅酸盐学报, 2023 , 51 (4) : 1000 -1006 . DOI: 10.14062/j.issn.0454-5648.20221073
Haoyu ZHAO, Qiuqiu LYU, Liya CHENG, Shenglong WU, Tenglong ZHU, Qin ZHONG. In-situ Hydrothermal Growth of Dense Ceria Based Barrier Layer for Solid Oxide Fuel Cells[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (4) : 1000 -1006 . DOI: 10.14062/j.issn.0454-5648.20221073
Appendix
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Year 2023 volume 51 Issue 4
33
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Article Info
doi: 10.14062/j.issn.0454-5648.20221073
  • Receive Date：2022-12-12
  • Online Date：2026-10-20
  • Published：2023-04-20
Article Data
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History
  • Received：2022-12-12
  • Revised：2022-12-27
Funding
Affiliations
    School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Corresponding:

ZHU Tenglong (1988-), male, Ph.D., Associate Professor. E-mail:
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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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