Effect of Sintering Temperature on the Behavior of Oxygen Permeation for La0.6Sr0.4Co0.2Fe0.8O3-δ Tubular Membraness

被引：4
作者：
Fan, Chuangang [1 ]
Wu, Riming [1 ]
Pei, Lizhai [1 ]
Zhang, Qianfeng [1 ]
机构：
[1] Anhui Univ Technol, Sch Mat Sci & Engn, Maanshan 243002, Peoples R China
来源：
CHINESE CERAMICS COMMUNICATIONS | 2010年 / 105-106卷
关键词：
perovskite; oxygen permeation; ceramic membrane; plastic extrusion;
D O I：
10.4028/www.scientific.net/AMR.105-106.643
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
La(0.6)Sr(0.4)Co(0.2)Fe(0.8)O(3-delta) (LSCF) tubular membranes with relative density more than 95% were prepared using plastic extrusion method, and their oxygen permeation properties were characterized in steady state. It was found that the permeation properties were influenced apparently by the sintering temperature for the resulting LSCF membranes. The as prepared LSCF membrane sintered at 1300 degrees C had a permeation rate by 5-6 times higher than that sintered at 1250 degrees C. The XRD results showed that the as prepared LSCF membrane sintered at 1250 degrees C had the content of impurity more than that sintered at 1300 degrees C. Namely the reasonable elevation of sintering temperature can reduce the impurity in LSCF membranes, which was produced during green process, and the effect of impurity reduction can improve the transport capability of LSCF membranes made by plastic extrusion.
引用
收藏
页码：643 / 646
页数：4
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