OXYGEN PUMPING CHARACTERISTICS OF OXIDE-ION ELECTROLYTES AT LOW-TEMPERATURES

被引：6

作者：

DOSHI, R ^{[1
]}

SHEN, Y ^{[1
]}

ALCOCK, CB ^{[1
]}

机构：

[1] UNIV NOTRE DAME,CTR SENSOR MAT,NOTRE DAME,IN 46556

来源：

SOLID STATE IONICS | 1994年 / 68卷 / 1-2期

关键词：

D O I：

10.1016/0167-2738(94)90242-9

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：

Electrochemical oxygen pumping was employed to study oxygen transport characteristics of electrolytes and electrodes. Oxygen transference numbers were measured by measuring volume changes using a liquid column in a capillary. The two electrolytes used were 10 mol% Ca doped CeO2 and 20 mol% Sr doped Bi2O3. The electrodes used were Pt, Pd/Au, La0.7Sr0.3MnO3-delta, La0.5Sr0.5MnO3-delta, and La0.7Sr0.3FeO3-delta. The manganite perovskite electrode performance was comparable to Pt at 700-degrees-C on both electrolytes. The bismuth electrolyte was found to be reduced to metal on the cathode side at high current densities.

引用

页码：133 / 137

页数：5

共 10 条

[1] PEROVSKITE ELECTRODES FOR SENSORS [J].