Electrochemical characterization of vacuum plasma sprayed thin-film solid oxide fuel cells (SOFC) for reduced operating temperatures

被引：43
|
作者：
Lang, M [1 ]
Franco, T [1 ]
Schiller, G [1 ]
Wagner, N [1 ]
机构：
[1] Deutsch Zentrum Luft & Raumfahrt DLR, Inst Tech Thermodynam, D-70569 Stuttgart, Germany
来源：
JOURNAL OF APPLIED ELECTROCHEMISTRY | 2002年 / 32卷 / 08期
关键词：
current voltage behaviour; electrochemical impedance spectroscopy (EIS); solid oxide fuel cells (SOFC); vacuum plasma spraying (VPS);
D O I：
10.1023/A:1020591323343
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
This paper focuses on the electrochemical characterization, such as current voltage measurements, impedance spectroscopy and long-term operation of completely plasma-sprayed SOFC assemblies for a planar metallic substrate-supported thin film concept. The influence of the variation in operating conditions is presented. To determine the different resistances in the cells, the measured impedance spectra were fitted to an equivalent circuit. This enables further improvement of the electrochemical performance of the cells and allows the assembling of high performance SOFC stacks.
引用
收藏
页码：871 / 874
页数：4
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