GdBaCo2O5+x cathode for anode-supported ceria SOFCs

被引：16
|
作者：
Lee, Younki
Kim, Dong Young
Choi, Gyeong Man [1 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Fuel Cell Res Ctr, Pohang 790784, South Korea
来源：
SOLID STATE IONICS | 2011年 / 192卷 / 01期
关键词：
Solid oxide fuel cell; Gadolinium-doped ceria; GdBaCo2O5+x; Composite cathode; Anode-supported cell; SOLID-OXIDE FUEL; OPEN-CIRCUIT VOLTAGE; LAYERED PEROVSKITE; ELECTRICAL-PROPERTIES; CELLS; PERFORMANCE; STATE;
D O I：
10.1016/j.ssi.2010.04.027
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The single-phase GdBaCo2O5+x (GBCO) and GBCO-Gd0.2Ce0.8O1.9 (GDC) composites (10, 30 wt.%) were tested as a cathode material on the anode-supported SOFCs. The cathodes were screen printed on similar to 20 mu m-thick GDC electrolyte that was supported on similar to 1 mm-thick Ni-GDC anode. The maximum power density (P-max) of 0.56 W cm(-2) was obtained for the cells with single-phase GBCO cathode at 600 degrees C under air / 97% H-2 + 3% H2O gradient. P-max decreased to 0.44 and 0.20 W cm(-2) when 10 wt.% and 30 wt.%, respectively, of GDCs were added into GBCO cathodes. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：527 / 530
页数：4
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