Synthesis and Intermediate-temperature Electrochemical Properties of Tm3+ and Gd3+ Double Doped Ceria-Chlorides Composite Electrolyte

被引：0
|
作者：
Ma, Jilong [1 ]
Shen, Yue [1 ]
Yan, Pan [1 ]
Wang, Lili [1 ]
Hu, Tingting [1 ]
Zhang, Mengjuan [1 ]
Yang, Yongjian [1 ]
Wang, Wenjian [1 ]
Shao, Guoquan [1 ]
机构：
[1] Bozhou Univ, Coll Tradit Chinese Med, Bozhou 236800, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2021年 / 16卷 / 06期
关键词：
Composite; Electrolyte; Fuel cell; Oxygen partial pressure; Conductivity; ELECTRICAL-CONDUCTIVITY; PERFORMANCE; CATHODE; SULFATE; ANODE; CO;
D O I：
10.20964/2021.06.63
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, Ce0.8Gd0.1Tm0.1O2-alpha, was synthesized by a nitrate-citric acid combustion method. Ce0.8Gd0.1Tm0.1O2-alpha, powder and binary chlorides (NaCl, KCl) were mixed with the weight ratio kept at 3:1 to prepare Ce0.8Gd0.1Tm0.1O2-alpha-(Na/K)Cl composite electrolyte. The crystal structures of Ce0.8Gd0.1Tm0.1O2-alpha, and Ce0.8Gd0.1Tm0.1O2-alpha-(Na/K)Cl were determined by X-ray diffraction (XRD). The AC impedance spectra of Ce0.8Gd0.1Tm0.1O2-alpha-(Na/K)Cl were measured in the range of 450-700 degrees C and different oxygen partial pressures. The maximum conductivity and power density of the composite electrolyte reached 24.5 mS.cm(-1) and 147.7 mW.cm(-2) at 700 degrees C, respectively.
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页码：1 / 8
页数：8
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