Origin of Polarization Losses in Solid Oxide Electrolysis Cells Under High Current Density

被引：7
|
作者：
Knibbe, R. [1 ]
Ebbesen, S. D. [1 ]
Mogensen, M. [1 ]
机构：
[1] Tech Univ Denmark, Riso Natl Lab Sustainable Energy, Fuel Cells & Solid State Chem Div, DK-4000 Roskilde, Denmark
来源：
ELECTROCHEMICAL TECHNOLOGIES FOR HYDROGEN PRODUCTION | 2010年 / 28卷 / 26期
关键词：
FUEL-CELL; CONVERSION IMPEDANCE;
D O I：
10.1149/1.3501097
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Under high current density, polarization losses in a solid oxide cell are higher in electrolysis mode than in fuel cell mode. Although part of these differences under high current density can be attributed to gas diffusion differences between steam and hydrogen. Diffusion coefficient differences can only partially explain the higher polarization losses during electrolysis operation.
引用
收藏
页码：77 / 87
页数：11
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