Nano-structured (La, Sr)(Co, Fe)O3+YSZ composite cathodes for intermediate temperature solid oxide fuel cells

被引：112

作者：

Chen, Jing ^{[1
]}

Liang, Fengli ^{[1
]}

Liu, Lina ^{[1
]}

Jiang, Sanping ^{[2
]}

Chi, Bo ^{[1
]}

Pu, Jian ^{[1
]}

Li, Jian ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Hubei, Peoples R China

[2] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore 639798, Singapore

来源：

JOURNAL OF POWER SOURCES | 2008年 / 183卷 / 02期

关键词：

LSCF; composite cathode; IT-SOFC; nano-structured; wet impregnation;

D O I：

10.1016/j.jpowsour.2008.05.082

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：

A nano-structured La0.8Sr0.2Co0.5Fe0.5O3 + Y2O3 doped ZrO2 (LSCF + YSZ) composite cathode was prepared by impregnation of a I-SCIF-containing solution into porous YSZ structure presintered on the YSZ electrolyte. The result shows that the LSCF phase was formed at 700 degrees C. forming a nano-structured, effective and functional LSCF + YSZ composite cathode that not only produces high triple phase boundaries for the O-2 reduction reaction, but also provides a Structurally stable interface between the LSCF and YSZ. The electrode polarization resistance for the O-2 reduction reaction is from 0.539 to 0.047 Omega cm(2) between 600 and 750 degrees C, indicating the promising potential the LSCF + YSZ as a high performance cathode for intermediate temperature solid oxide fuel cells. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：586 / 589

页数：4

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