Properties of bias-assisted sputtered gadolinia-doped ceria interlayers for solid oxide fuel cells

被引：40
|
作者：
Fonseca, F. C. [2 ]
Uhlenbruck, S. [1 ]
Nedelec, R.
Buchkremer, H. P.
机构：
[1] KFA Julich GmbH, Forschungszentrum, Inst Energy Res IEF 1, D-52425 Julich, Germany
[2] IPEN CNEN SP, BR-05508000 Sao Paulo, Brazil
来源：
JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 06期
基金：
巴西圣保罗研究基金会;
关键词：
Solid oxide fuel cells; Bias-assisted sputtering; Ceria interlayer; Mixed ionic-electronic cathode; Anode supported; SOFC; TECHNOLOGIES;
D O I：
10.1016/j.jpowsour.2009.09.050
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 growth and electrochemical properties of gadolinia-doped ceria (GDC) inlet layers deposited by bias-assisted magnetron sputtering in solid oxide fuel cells have been investigated Such interlayers act as diffusion barriers to protect the yttria-stabilized zirconia electrolyte. preventing possible degradation when mixed ionic-electronic conductor (La,Si)(Co,Fe)O(3-delta) is used as the cathode The dependence of the applied bias during the sputtering deposition on both the interlayer microstructure and fuel cell performance has been studied in anode-supported single cells. The main experimental results Showed that bias-assisted sputtering of GDC interlayers produced microstructures denser than those of unbiased deposit ions, which resulted in increased electrochemical properties of fuel cells (C) 2009 Elsevier B.V All rights reserved
引用
收藏
页码：1599 / 1604
页数：6
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