Durability of Solid Oxide Electrolysis Cell and Interconnects for Steam Electrolysis

被引：11
|
作者：
Sun, Xiufu [1 ]
Chen, Ming [1 ]
Liu, Yi-Lin [1 ]
Hendriksen, Peter Vang [1 ]
Mogensen, Mogens Bjerg [1 ]
机构：
[1] Tech Univ Denmark, Dept Energy Convers & Storage, DK-4000 Roskilde, Denmark
来源：
SOLID OXIDE FUEL CELLS 13 (SOFC-XIII) | 2013年 / 57卷 / 01期
关键词：
DEGRADATION; ELECTRODES; MECHANISM; HYDROGEN; ENERGY; FUELS;
D O I：
10.1149/05701.3229ecst
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Durability of a solid oxide electrolysis cell tested at -1.5A / cm(2) for high temperature steam electrolysis was investigated in the present work under stack relevant conditions. Detailed electrochemical and microstructural analyses were carried out. The results show that both the hydrogen and the oxygen electrodes degraded during the durability test. The degree of percolation loss in the active Ni-YSZ hydrogen electrode is found to decrease along the steam flow direction whereas the formation of cracks or cavities/pores within the electrolyte shows the opposite trend. The influence of sealing and interconnects on cell degradation under harsh electrolysis conditions is further discussed.
引用
收藏
页码：3229 / 3238
页数：10
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