Evaluation of Electrochemical Properties of LSCF Electrode with GDC Barrier Layer under both Fuel Cell and H2O/CO2 Co-electrolysis Modes

被引：1
|
作者：
Fan, Hui [1 ]
Zhang, Yongliang [1 ]
Han, Minfang [1 ]
机构：
[1] Tsinghua Univ, State Key Lab Power Syst, Dept Thermal Engn, Beijing 100084, Peoples R China
来源：
SOLID OXIDE FUEL CELLS 15 (SOFC-XV) | 2017年 / 78卷 / 01期
关键词：
OXYGEN-ELECTRODE; CATHODES; PERFORMANCE; DEGRADATION; INTERLAYER; STABILITY; SOFCS;
D O I：
10.1149/07801.3309ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this study, La0.6Sr0.4Co0.2Fe0.8O3-delta (LSCF) oxygen electrode as well as Gd0.1Ce0.9O2-delta (GDC) barrier layer was employed by the screen printing process for both fuel cell and H2O/CO2 co-electrolysis operations. After initial performance evaluation of the cell under SOFC mode, electrochemical measurements of the cell were carried out at 700-800 degrees C for co-electrolysis mode with 45 % H2O, 45% CO2 and 10% H-2 as feed gas. Further, the long-term durability of the cell was examined at a constant current of 0.4 A*cm(-2) for over 200 h. It showed that cell voltage held at a steady value after experiencing initial significant fluctuations.
引用
收藏
页码：3309 / 3315
页数：7
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