Enhanced Electrochemical Properties of Lu-doped BaCeO3 and KCl-NaCl Composite as Electrolyte for Intermediate Temperature Solid Oxide Fuel Cells

被引：2
|
作者：
Han, Yan
Du, Ruifeng
Wang, Chang
Zhai, Hongbin
Wu, Fufang [1 ]
Wang, Hongtao [1 ]
机构：
[1] Fuyang Normal Univ, Sch Chem & Mat Engn, Fuyang 236037, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Defects; Hydrogen; Electrolytes; Fuel cell; Conductivity; Composite; HIGH-PERFORMANCE; CONDUCTIVITY; ANODE; DURABILITY; STABILITY; STRONTIUM; MEMBRANE; METHANE; CO;
D O I：
10.20964/2019.08.63
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, BaCe0.9Lu0.1O3-alpha was prepared by the sol-gel method with cerium nitrate, lutetium oxide and barium acetate as raw materials and BaCe0.9Lu0.1O3-alpha-NaCl-KCl composite electrolyte was also synthesized using BaCe0.9Lu0.1O3-alpha combined with sodium and potassium chloride. The samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and thermal analyser. TGA-DSC plots indicated that a perovskite-type structure was formed above 1040 degrees C. The highest conductivities of BaCe0.9Lu0.1O3-alpha and BaCe0.9Lu0.1O3-alpha-NaCl-KCl were 9.5 x 10(-2) S . cm(-1) and 2.8 x 10(-1) S . cm(-1) at 700 degrees C, respectively. The highest power density of BaCe0.9Lu0.1O3-alpha-NaCl-KCl was 146 mW. cm(-2) at 700 degrees C.
引用
收藏
页码：7695 / 7702
页数：8
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