SrCe0.9Ho0.1O3-α陶瓷的质子导电性

中国稀土学报, 2006, 24(3): 376-379.

SrCe0.9Ho0.1O3-α陶瓷的质子导电性

于玠 ^1, , 康新华 ^2, , 马桂林 ^3, , 仇立干 ^4,

1.苏州大学化学化工学院,江苏,苏州,215123

2.苏州大学化学化工学院,江苏,苏州,215123

3.苏州大学化学化工学院,江苏,苏州,215123

4.盐城师范学院化学系,江苏,盐城,224002

基金项目: 苏州大学校科研和教改项目国家自然科学基金(20171034)

关键词：钙钛矿型氧化物 , 质子导体 , 气体浓差电池 , 阻抗谱 , 稀土

Electrical Conductivity of SrCe0.9Ho0.1O3-α Ceramics

以高温固相反应法合成了复合氧化物陶瓷SrCe0.9Ho0.1O3-α. 粉末XRD结果表明,该陶瓷样品为单一斜方相钙钛矿型结构. 采用交流阻抗谱和氢浓差电池方法研究了样品在600～1000 ℃下湿润氢气中的质子导电性能. 结果表明,在氢气气氛中600～1000 ℃范围,陶瓷样品质子迁移数约为1,几乎是一个纯质子导体,质子电导活化能为61.0 kJ·mol-1,最大质子电导率为1.6×10-2 S·cm-1,该样品在此实验条件下还具有良好的化学稳定性.

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材料期刊网

SrCe0.9Ho0.1O3-α陶瓷的质子导电性

Electrical Conductivity of SrCe0.9Ho0.1O3-α Ceramics

参考文献