Sulfur-tolerant Fe-doped La0·3Sr0·7TiO3 perovskite as anode of direct carbon solid oxide fuel cells

被引：0
|
作者：
Cai W. [1 ,2 ]
Cao D. [2 ]
Zhou M. [2 ]
Yan X. [2 ]
Li Y. [1 ]
Wu Z. [3 ]
Lü S. [1 ,2 ]
Mao C. [1 ]
Xie Y. [3 ]
Zhao C. [1 ]
Yu J. [1 ]
Ni M. [4 ]
Liu J. [2 ]
Wang H. [1 ]
机构：
[1] College of Engineering, South China Agricultural University, Guangzhou
[2] Guangzhou Key Laboratory for Surface Chemistry of Energy Materials, New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou
[3] School of Metallurgy and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou
[4] Building Energy Research Group, Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
来源：
Liu, Jiang (jiangliu@scut.edu.cn) | 1600年 / Elsevier Ltd卷 / 211期
基金：
中国国家自然科学基金;
关键词：
Anode catalyst; Direct carbon solid oxide fuel cell; Electrochemical oxidation; Lanthanum doped strontium titanate;
D O I：
10.1016/j.energy.2020.118958
中图分类号：
学科分类号：
摘要：
Fe-doped La0·3Sr0·7TiO3 (LSFT) is synthesized and systematically characterized towards application as an anode material for direct carbon solid oxide fuel cells (DC-SOFCs). The structural, electrical and electrochemical properties of LSFT under the operation conditions of DC-SOFCs have been evaluated. High structural stability, improved ionic conductivity, electrocatalytic activity, and electrochemical performance are demonstrated. Electrolyte-supported DC-SOFC with LSFT anode provides a maximum power density of 292 mW cm−2 at 850 °C, which is comparable to those state-of-the-art Ni-YSZ anode for DC-SOFC. In addition, it shows excellent long-term operational stability (over 110 h) in H2S-containing CO atmosphere. It thus promises as a novel anode candidate for DC-SOFCs with whole-solid-state configuration. © 2020
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