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Bi2O3-Y2O3-CeO2 solid solution oxide-ion electrolyte

被引：47
作者：
Huang, KQ
Feng, M
Goodenough, JB
机构：
[1] Ctr. Mat. Sci. and Eng. ETC 9,102, University of Texas at Austin, Austin
来源：
SOLID STATE IONICS | 1996年 / 89卷 / 1-2期
关键词：
oxide-ion electrolyte; ceria; bismuth oxide; phase transformation; lanthanum-cobalt perovskite;
D O I：
10.1016/0167-2738(96)00260-3
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：
The Bi2O3-Y2O3-CeO2 solid solution with oxygen-deficient fluorite structure is shown to have an oxide-ion conductivity sigma(0) = 0.1 S cm(-1) at 600 degrees C without degradation after annealing at 650 degrees C for over 300 h. The oxygen-deficient perovskite La0.6Sr0.4Co0.2Fe0.8O3-delta proves to be an excellent cathode for an air or O-2 oxidant. With an appropriate strategy for the anode, this electrolyte may be used in a solid oxide fuel cell.
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页码：17 / 24
页数：8
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