期刊
JOURNAL OF POWER SOURCES
卷 521, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2022.230984
关键词
Solid oxide electrolysis cell; CO2 electrolysis; Perovskite oxide; La doping
资金
- Natural Science Foundation of China [51974167]
- Innovation fund of Inner Mongolia University of Sci-ence and Technology [2019QDL-B01]
- Natural Science Foundation of Inner Mongolia Autonomous Region [2020BS05033]
- Inner Mongolia Autonomous Region Science and Technology Plan [2020GG0155]
The study presents a promising cathode material, Sr1.9La0.1Fe1.5Mo0.5O6-delta, for CO2 electrolysis, which exhibits excellent electrochemical performance and stability.
Commercialization of solid oxide electrolysis cell (SOEC) depends on the development of cathode materials with outstanding catalytic activity for CO2 electroreduction. Herein, Pure La-doped Sr2-xLaxFe1.5Mo0.5O6-delta double perovskite oxide is prepared via the citric acid-glycine method and used as a cathode to evaluate its electro-chemical performance for CO2 electrolysis. La substitution at Sr-site promotes the oxygen surface exchange and bulk diffusion in Sr2-xLaxFe1.5Mo0.5O6-delta oxide, leading to higher CO2 electrolysis performance compared to Sr2Fe1.5Mo0.5O6-delta parent oxide. At 850 degrees C and 1.5 V, a current density of -2760 mA cm(-2) is obtained on an LSGM-supported single cell with Sr1.9La0.1Fe1.5Mo0.5O6-delta cathode. In addition, the electrolysis cell displays excellent stability under a constant voltage of 1.2 V, suggesting that Sr1.9La0.1Fe1.5Mo0.5O6-delta oxide is a promising SOEC cathode material for pure CO2 electrolysis.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据