(Pr0.9La0.1)2(Ni0.74Cu0.21Nb0.05)04+δ-Ce0.9Gd0.1O2-δ (GDC) as an active and CO2-tolerant nano composite cathode for intermediate temperature solid oxide fuel cells

被引：14
作者：
Li, Geng [1 ]
Jin, Hongyun [1 ,2 ]
Gui, Liangqi [1 ]
He, Beibei [1 ,2 ]
Zhao, Ling [1 ,2 ]
机构：
[1] China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Hubei, Peoples R China
[2] China Univ Geosci, Engn Res Ctr Nanogeo Mat, Minist Educ, Wuhan 430074, Hubei, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2018年 / 43卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Ruddlesden popper; CO2; tolerant; Nanostructured cathode; Solid oxide fuel cells; HIGH-PERFORMANCE CATHODE; ELECTRODE PROPERTIES; CHROMIUM DEPOSITION; OXYGEN ELECTRODES; DOUBLE-PEROVSKITE; IN-SITU; CO2; SOFC; BISMUTH; ANODE;
D O I：
10.1016/j.ijhydene.2017.12.140
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：
Nano composite of Ruddlesden-Popper electrocatalyst-oxygen ionic conductor, (Pr0.9La0.1)(2)(Ni0.74Cu0.21Nb0.05)0(4+delta) (PLNCN)-Ce0.9Gd0.1O2-delta (GDC), is developed as composite cathode for intermediate temperature solid oxide fuel cells (IT-SOFCs) via a infiltration way. The electrochemical behavior of PLNCN-GDC nanostructured electrode is assessed with respect to infiltration loading and oxygen partial pressure. The optimized PLNCN loading can improve charge transfer dynamics for electrochemical oxygen reduction reaction, thus promoting cathode performance. Importantly, the encouraging results of single cell highlight high activity and good CO2 tolerance of PLNCN-GDC nanostructured cathode. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：3291 / 3298
页数：8
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