A proton-conducting In3+-doped SnP2O7 electrolyte for intermediate-temperature fuel cells

被引：142
|
作者：
Nagao, M [1 ]
Takeuchi, A
Heo, P
Hibino, T
Sano, M
Tomitab, A
机构：
[1] Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan
[2] Natl Inst Adv Ind Sci & Technol, Nagoya, Aichi 4638560, Japan
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2006年 / 9卷 / 03期
关键词：
D O I：
10.1149/1.2159298
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
We report proton conduction in In3+-doped SnP2O7 in the temperature range from 100 to 300 degrees C, and the performance of a H-2-air fuel cell using this material as the electrolyte. The proton conductivity of In3+-doped SnP2O7 was more than 10(-1) S cm(-1) between 125 and 300 degrees C, and a conductivity value of 1.95 x 10(-1) S cm(-1) was achieved at 250 degrees C. The resulting fuel cell exhibited a reasonable power density of 264 mW cm(-2) at 250 degrees C (electrolyte thickness = 0.35 mm), together with perfect tolerance toward 10% CO and good thermal stability in unhumidified conditions. (c) 2006 The Electrochemical Society.
引用
收藏
页码：A105 / A109
页数：5
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