Novel Composite Electrolyte of Double-Doped Ceria-Sulphate for Medium Temperature Fuel Cells

被引：7
|
作者：
Zhang, Wenbao [1 ]
Hu, Tianhui [1 ]
Shi, Ruijuan [1 ]
Wang, Hongtao [1 ]
机构：
[1] Fuyang Normal Univ, Sch Chem & Mat Engn, Anhui Prov Key Lab Degradat & Monitoring Pollut E, Fuyang 236037, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2020年 / 15卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Defects; Composite; Electrolytes; Hydrogen; Fuel cell; Conductivity; ELECTROCHEMICAL PERFORMANCE; IONIC-CONDUCTIVITY; CEO2; ANODE; NANOCOMPOSITE; LAYER; FILMS; YSZ;
D O I：
10.20964/2020.01.44
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
In this study, Gd3+ and Er3+ double-doped CeO2 was synthesized by a microemulsion method. Ce0.8Er0.1Gd0.1O2-alpha-K2SO4-Li2SO4 composite electrolyte was prepared by mixing Ce0.8Er0.1Gd0.1O2-alpha powder with binary sulphates. The structures of Ce0.8Er0.1Gd0.1O2-alpha and Ce0.8Er0.1Gd0.1O2-alpha-K2SO4-Li2SO4 were characterized by X-ray diffraction (XRD) and Raman spectrometer. XRD spectra showed that the Ce0.8Er0.1Gd0.1O2-alpha structure was not affected by K2SO4-Li2SO4. Raman spectrometer further indicated that the prepared Ce0.8Er0.1Gd0.1O2-alpha-K2SO4-Li2SO4 had a cubic structure of CeO2 and the existence of SO42-. The maximum conductivity of Ce0.8Er0.1Gd0.1O2-alpha-K2SO4-Li2SO4 reached 0.21 S.cm(-1) at 700 degrees C.
引用
收藏
页码：304 / 310
页数：7
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