Co-doping effect on the properties of scandia stabilized ZrO2

被引：4

作者：

Nikonov, A. V. ^{[1
]}

Khrustov, V. R. ^{[1
]}

Bokov, A. A. ^{[1
]}

Koleukh, D. S. ^{[1
]}

Zayats, S. V. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Electrophys, Ural Branch, Ekaterinburg 620016, Russia

来源：

RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2014年 / 50卷 / 07期

基金：

俄罗斯基础研究基金会;

关键词：

solid electrolyte; Sc2O3 stabilized ZrO2; co-dopant; conductivity; ELECTRICAL-CONDUCTIVITY; IONIC-CONDUCTIVITY; ELECTROLYTE MATERIAL; CRYSTAL-STRUCTURE; AGING BEHAVIOR; ZIRCONIA; SYSTEM; PHASE; SC2O3; OXIDE;

D O I：

10.1134/S1023193514070106

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The influence of low concentrations (1 mol %) of few co-dopants (Y2O3, La2O3, CeO2, Gd2O3, Er2O3, ZnO) on the structure and characteristic of 10 mol % scandia stabilized zirconia was studied. Sintering kinetics and thermal expansion coefficients of synthesized solid eletrolytes were determined. It was found that co-doping increased the conductivity of electrolytes at temperature below 550A degrees C. However, at high temperatures, the introduction of co-dopants decreased the conductivity; moreover, this reduction was more severe the more the ionic radii of Zr4+ and co-dopant differ.

引用

页码：625 / 629

页数：5

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