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In-situ Exsolution of Cerium Oxide-Metal-Perovskite Composite Cathode for Solid Oxide Electrolysis Cell
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Meilan PENG1, Zhishan LI1, 2, Xiaoxin ZHANG1, Yifan ZHANG1, Jiarui NING1, Yifei SUN1, 2
Journal of the Chinese Ceramic Society | 2023, 51(4) : 1015 - 1024
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Journal of the Chinese Ceramic Society | 2023, 51(4): 1015-1024
• Research Articles •
In-situ Exsolution of Cerium Oxide-Metal-Perovskite Composite Cathode for Solid Oxide Electrolysis Cell
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Meilan PENG1, Zhishan LI1, 2, Xiaoxin ZHANG1, Yifan ZHANG1, Jiarui NING1, Yifei SUN1, 2
Affiliations
  • 1.College of Energy, Xiamen University, Xiamen 363102, Fujian, China
  • 2.Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, Fujian, China

    • PENG Meilan (1998-), female, Master candidate. E-mail:

About Author:

PENG Meilan (1998-), female, Master candidate. E-mail:

Published: 2023-04-20 doi: 10.14062/j.issn.0454-5648.20220906
Outline
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The solid oxide electrolytic cell can use a renewable electricity to convert CO2 into CO for storage. However, it still suffers from the sintering of reactive sites and carbon deposition at cathode. In this work, A-site deficient La0.4Ca0.4Ti0.94Ni0.06O3-δ perovskite cathode with the decoration of a large number of exsolved Ni nanoparticles was prepared by an in-situ exsolution method. Also, a promoter of CeO2 was introduced into the system via different synthetic methods (i.e., doping, impregnation and mechanical mixing) to construct a "cerium oxide-metal-perovskite" three-phase composite cathode material. The results show that the carbon deposition resistance and electrochemical performance of the mechanical mixed modified materials can be improved at 800℃, 70% (in volume) CO2/30%CO and 1.4 V electrolytic voltage. The current density is increased by 3 times and the voltage decay rate is decreased by 58%. Such an improvement is correlated to the increased amount of surface oxygen vacancies and the strengthened CO2 absorption.

solid oxide electrolysis cell  /  conversion of carbon dioxide  /  in-situ exsolution  /  perovskite cathode  /  modification of cerium oxide  /  carbon deposition resistance
彭美兰, 李智姗, 张肖鑫, 张一凡, 宁嘉瑞, 孙毅飞. 原位析出制备固体氧化物电解池的“氧化铈-金属-钙钛矿”复合阴极材料. 硅酸盐学报, 2023 , 51 (4) : 1015 -1024 . DOI: 10.14062/j.issn.0454-5648.20220906
Meilan PENG, Zhishan LI, Xiaoxin ZHANG, Yifan ZHANG, Jiarui NING, Yifei SUN. In-situ Exsolution of Cerium Oxide-Metal-Perovskite Composite Cathode for Solid Oxide Electrolysis Cell[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (4) : 1015 -1024 . DOI: 10.14062/j.issn.0454-5648.20220906
Appendix
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Year 2023 volume 51 Issue 4
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Article Info
doi: 10.14062/j.issn.0454-5648.20220906
  • Receive Date：2022-10-23
  • Online Date：2026-10-20
  • Published：2023-04-20
Article Data
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History
  • Received：2022-10-23
  • Revised：2022-11-04
Funding
Affiliations
    1.College of Energy, Xiamen University, Xiamen 363102, Fujian, China
    2.Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen 361005, Fujian, China

Corresponding:

SUN Yifei (1987-), 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
total species (%)		 属
Genus		 种数
Number of
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Percentage of total
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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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