Gadolinia-doped ceria barrier layer produced by sputtering and annealing for anode-supported solid oxide fuel cells

被引：14
|
作者：
Wu, Weiming [1 ,2 ]
Liu, Zhongbo [1 ,2 ]
Zhao, Zhe [1 ]
Zhang, Xiaomin [1 ,2 ]
Ou, Dingrong [1 ]
Tu, Baofeng [1 ]
Cui, Da'an [1 ]
Cheng, Mojie [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cells, Dalian 116023, Liaoning, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CHINESE JOURNAL OF CATALYSIS | 2014年 / 35卷 / 08期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
Solid oxide fuel cell; Rare earth metal oxide; Gadolinia-doped ceria; Barrier layer; Sputtering; Annealing; GDC INTERLAYER; CATHODE; TEMPERATURE; SOFCS; ELECTROLYTE;
D O I：
10.1016/S1872-2067(14)60137-6
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
We prepared gadolinia-doped ceria (GDC) barrier layers by sputtering and annealing at various temperatures. We then investigated the effects of the GDC barrier layers on the performance of anode-supported solid oxide fuel cells. Sputtering at 200 degrees C readily produced a uniform, thin layer of cubic GDC. Sputtering and annealing at 900-1100 degrees C formed uniform, thin, dense films, which effectively prevented the reaction between the yttria-stabilized zirconia electrolyte and the Ba0.5Sr0.5Co0.8Fe0.2O3-delta cathode. The single cells assembled with the thin, dense GDC barrier layers sputtered at 200 C and annealed at 900-1000 degrees C exhibited excellent electrochemical performance. (C) 2014, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：1376 / 1384
页数：9
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