Influence of CO2 on Ba0.2Sr0.8Co0.8Fe0.2O3-δ at elevated temperatures

被引：39
|
作者：
Yang, Zhen [1 ]
Harvey, Ashley S. [1 ]
Gauckler, Ludwig J. [1 ]
机构：
[1] ETH, Dept Mat, Nonmetall Inorgan Mat, CH-8093 Zurich, Switzerland
来源：
SCRIPTA MATERIALIA | 2009年 / 61卷 / 11期
关键词：
BSCF; Thermogravimetric analysis (TG); TEM; EDXS; EELS; OXIDE FUEL-CELLS; CARBON DIOXIDE SYSTEM; PEROVSKITE OXIDES; CATHODE; ATMOSPHERES; PERFORMANCE; STRONTIUM; MEMBRANES; ABSENCE;
D O I：
10.1016/j.scriptamat.2009.08.039
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A potential high-performance solid oxide fuel cell cathode material, Ba0.2Sr0.8Co0.8Fe0.2O3-delta, was synthesized by a solid-state reaction method. As atmospheric CO2 may degrade its cathodic performance, the reaction of this material to different gas atmospheres was measured by thermogravimetric analysis. Powder particles were characterized by transmission electron microscopy, energy-dispersive X-ray spectroscopy and electron energy-loss spectroscopy, and the formation of a carbonate layer was found. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1083 / 1086
页数：4
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