Calcium doped ceria-based materials for cost-effective intermediate temperature solid oxide fuel cells

被引：60
作者：
Zhu, B [1 ]
Liu, XG
Sun, MT
Ji, SJ
Sun, JC
机构：
[1] Royal Inst Technol, Dept Chem Engn & Technol, S-10044 Stockholm, Sweden
[2] Univ Sci & Technol China, Dept Thermal Sci & Energy Engn, Hefei 20026, Anhui, Peoples R China
[3] Goeta Technol Dev Int, S-17160 Solna, Sweden
[4] Dalian Maritime Univ, Inst Mat & Technol, Dalian 116026, Peoples R China
来源：
SOLID STATE SCIENCES | 2003年 / 5卷 / 08期
关键词：
ceria; calcium doping ceria; ceria-composite; intermediate temperature; solid oxide fuel cells (SOFCs);
D O I：
10.1016/S1293-2558(03)00123-7
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
This paper studies preparation and characterization of the calcium doping ceria (CCO) and carbonate composite materials. The material preparation was performed based on an oxalate co-precipitation. Various material characterizations were carried on the material phase structure based on XRD, TG/DSC and their fuel cell applications. The CCO materials showed a two-phase composite with very high ionic conductivity, 0.01 to 0.5 S cm(-1) between 400 and 700degreesC. Using the CCO-composites as the electrolytes for intermediate temperature solid oxide fuel cells (ITSOFC) a high performance, e.g., 600 mW cm(-2) was demonstrated at 600degreesC. (C) 2003 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
引用
收藏
页码：1127 / 1134
页数：8
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