Application of a novel (Pr0.9La0.1)2(Ni0.74Cu0.21Nb0.05)O4+δ-infiltrated BaZr0.1Ce0.7Y0.2O3-δ cathode flor high performance protonic ceramic fuel cells

被引：67
作者：
Li, Geng [1 ]
Jin, Hongyun [1 ]
Cui, Yuexiao [1 ]
Gui, Liangqi [1 ]
He, Beibei [1 ]
Zhao, Ling [1 ]
机构：
[1] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2017年 / 341卷
基金：
中国国家自然科学基金;
关键词：
Protonic ceramic fuel cells; Cathode materials; Ruddlesden-popper; Infiltration; COMPOSITE CATHODES; OXYGEN-ION; OXIDE; TEMPERATURE; ELECTROLYTE; CONDUCTOR; TOLERANCE; CO2; IMPREGNATION; FABRICATION;
D O I：
10.1016/j.jpowsour.2016.11.008
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A Ruddlesden Popper oxide (Pr0.9La0.1)(2)(Ni0.74Cu0.21Nb0.05)O4+delta (PLNCN)-infiltratedBaZr(0.1)Ce(0.7)Y(0.2)O(3-delta) (BZCY) is developed as an electrode for protonic ceramic fuel cells (PCFCs). PLNCN nanoparticles are evenly dispersed on the surface of BZCY skeleton by using the infiltration technology. The electrochemical behavior of the PLNCN-infiltrated BZCY electrodes are evaluated in terms of infiltration loading and temperature. The impedance results of symmetric cells suggest that the optimized loading of PLNCN is approximately 46.1 wt%. Power density of the single cell as high as 0.77 W cm(-2) is achieved at 700 degrees C by using the 43.6 wt% PLNCN-infiltrated BZCY cathode, and the cell could be operated without degradation at 600 degrees C for 200 h; this finding indicates a promising alternative cathode for PCFCs. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：192 / 198
页数：7
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