An investigation on Structure and Electrical Conductivity of Sm0.5-xGdxSr0.5CoO3-δ

被引：2

作者：

Zhou, Fen ^{[1
]}

Zhong, Chongying ^{[1
]}

Song, Xiwen ^{[1
]}

Hao, Xihong ^{[1
]}

An, Shengli ^{[1
]}

机构：

[1] Inner Mongolia Univ Sci & Technol, Sch Met & Mat, Baotou 014010, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2010年 / 93卷 / 06期

基金：

中国国家自然科学基金;

关键词：

OXIDE FUEL-CELLS; COMPOSITE CATHODES; SOFC; PERFORMANCE; LA1-XSRXCO1-YFEYO3; ELECTROLYTES; ND;

D O I：

10.1111/j.1551-2916.2009.03593.x

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：

Sm0.5-xGdxSr0.5CoO3-delta (SGSC, x=0, 0.1, 0.2, 0.3, 0.4, 0.5) powders were synthesized by a solution-combustion method. SGSC formed the major perovskite phase with an orthorhombic symmetry after calcined at 1200 degrees C. The electrical measurements indicated that the Gd3+content have a strong influence on the electrical conductivities of SGSC. It was found that the electrical conductivities of SGSC was firstly increased then decreased as the Gd3+ content changed from 0 to 0.5. The highest electrical conductivity with a value 1820 S/cm was obtained when the amount of Gd reached to 0.2.

引用

页码：1551 / 1553

页数：3

共 18 条

[1]

Chen JY, 2007, MOL CELL TOXICOL, V3, P35

[2]

Chen YH, 2006, CHINESE J INORG CHEM, V22, P1941

[3] Effect of the A cation size on the structural, magnetic, and electrical properties of perovskites (La1-xNdx)0.7Sr0.3MnO3 [J].

Cherif, K ;

Dhahri, J ;

Dhahri, E ;

Oumezzine, M ;

Vincent, H .

JOURNAL OF SOLID STATE CHEMISTRY, 2002, 163 (02) :466-471

[4] Thermal expansion matching of Gd1-xSrxCoO3-δ composite cathodes to Ce0.8Gd0.2O1.95IT-SOFC electrolytes [J].

Dyck, CR ;

Yu, ZB ;

Krstic, V .

SOLID STATE IONICS, 2004, 171 (1-2) :17-23

[5] Intermediate temperature SOFC - a promise for the 21st century [J].

Huijsmans, JPP ;

van Berkel, FPF ;

Christie, GM .

JOURNAL OF POWER SOURCES, 1998, 71 (1-2) :107-110

[6] Thermal, electrical, and electrochemical properties of Nd-doped Ba0.5Sr0.5Co0.8Fe0.2O3-δ as a cathode material for SOFC [J].

Li, Shuyan ;

Lue, Zhe ;

Huang, Xiqiang ;

Su, Wenhui .

SOLID STATE IONICS, 2008, 178 (35-36) :1853-1858

[7] Effect of B-site doping on Sm0.5Sr0.5MxCo1-xO3-δ properties for IT-SOFC cathode material (M = Fe, Mn) [J].

Lv, Hong ;

Zhao, Bin-Yuan ;

Wu, Yu-Ji ;

Sun, Gang ;

Chen, Gang ;

Hu, Ke-Ao .

MATERIALS RESEARCH BULLETIN, 2007, 42 (12) :1999-2012

[8]

Murray EP, 2002, SOLID STATE IONICS, V148, P27, DOI 10.1016/S0167-2738(02)00102-9

[9] Appraisal of Ce1-yGdyO2-y/2 electrolytes for IT-SOFC operation at 500°C [J].

Steele, BCH .

SOLID STATE IONICS, 2000, 129 (1-4) :95-110

[10] STRUCTURE AND ELECTRICAL-PROPERTIES OF LA1-XSRXCO1-YFEYO3 .1. THE SYSTEM LA0.8SR0.2CO1-YFEYO3 [J].

TAI, LW ;

NASRALLAH, MM ;

ANDERSON, HU ;

SPARLIN, DM ;

SEHLIN, SR .

SOLID STATE IONICS, 1995, 76 (3-4) :259-271

← 1 2 →