Solid-state Synthesis and Properties of Y-doped BaCeO3

被引：4

作者：

Li, Ying ^{[1
]}

Ding, Yushi ^{[1
]}

Wang, Changzhen ^{[1
]}

机构：

[1] Northeastern Univ, Sch Met & Mat, Shenyang 110004, Peoples R China

来源：

PRICM 7, PTS 1-3 | 2010年 / 654-656卷

关键词：

BaCe(1-x)Y(x)O(3-alpha); protonic conductor; sintering; conductivity; CATION NONSTOICHIOMETRY; IONIC-CONDUCTION;

D O I：

10.4028/www.scientific.net/MSF.654-656.2014

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

BaCe(1-x)Y(x)O(3-alpha) (x = 0.1, 0.15) solid electrolytes were prepared via ball milling raw powders of BaCO(3), CeO(2) and Y(2)O(3), and pressing the powder mixtures into tablets followed by calcining in air. X-ray diffraction analysis indicated that the BaCe(0.9)Y(0.1)O(3-alpha) and BaCe(0.85)Y(0.15)O(3-alpha) solid solutions were synthesized at 1250 degrees C and 1400 degrees C, respectively. The solid electrolyte disks were made by grinding the calcined tablets into fine powders, cold isostatic pressing into the shape and sintering at 1550 degrees C in air. The electrochemical impedance spectroscopy measurements revealed that they show useful protonic conduction, up to 2.7x10(-2) S/cm at 900 degrees C.

引用

页码：2014 / 2017

页数：4

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