A novel interconnect material for SOFCs

被引：12
|
作者：
Liu, ZG [1 ]
Dong, DW
Huang, XQ
Lü, Z
Sui, Y
Wang, XJ
Miao, JP
Shen, ZX
Su, WH
机构：
[1] Harbin Inst Technol, Ctr Condensed Matter Sci & Technol, Harbin 150001, Peoples R China
[2] Natl Univ Singapore, Fac Sci, Dept Phys, Singapore 117542, Singapore
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2005年 / 8卷 / 05期
关键词：
D O I：
10.1149/1.1883867
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A novel interconnect material for solid oxide fuel cells (SOFCs) Pr0.7Ca0.3Cr0.98O3 was synthesized. Different from LaCrO3-based interconnect material, no structure transformation was found in Pr0.7Ca0.3Cr0.98O3 from room temperature to 1000 degrees C. It has an average thermal expansion coefficient of 10.79 x 10(-6)/degrees C in this temperature range which shows a good mechanical compatibility with YSZ-based SOFCs, and a high conductivity of 1.09 S/cm at 800 degrees C in hydrogen. In addition, it has high density and good chemical stability in reducing atmosphere, making it a promising candidate as an interconnect material for SOFCs. (C) 2005 The Electrochemical Society.
引用
收藏
页码：A250 / A252
页数：3
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