Performance and degradation of metal-supported solid oxide fuel cells with impregnated electrodes

被引：46
作者：
Zhou, Yucun [1 ]
Xin, Xianshuang [1 ]
Li, Junliang [1 ]
Ye, Xiaofeng [1 ]
Xia, Changrong [1 ,2 ]
Wang, Shaorong [1 ,2 ]
Zhan, Zhongliang [1 ,2 ]
机构：
[1] Chinese Acad Sci SICCAS, Shanghai Inst Ceram, CAS Key Lab Mat Energy Convers, Shanghai 200050, Peoples R China
[2] Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Metal-supported solid oxide fuel cell; Impregnation; Degradation; Ni coarsening; DIFFUSION BARRIER LAYERS; STAINLESS-STEEL; SOFC; CATHODE; OPERATION; PROGRESS;
D O I：
10.1016/j.ijhydene.2013.11.086
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：
Metal-supported solid oxide fuel cells (MS-SOFCs) containing porous 430L stainless steel supports, YSZ electrolytes and porous YSZ cathode backbones are fabricated by tape casting, laminating and co-firing in a reducing atmosphere. Nano-scale Ni and La0.6Sr0.4Fe0.9Sc0.1O3-delta,5 (LSFSc) coatings are impregnated onto the internal surfaces of porous 430L and YSZ, acting as the anode and the cathode catalysts, respectively. The resulting MS-SOFCs exhibit maximum power densities of 193, 418, 636 and 907 mW cm(-2) at 650, 700, 750 and 800 degrees C, respectively. Nevertheless, a continuous degradation in the fuel cell performance is observed at 650 degrees C and 0.7 V during a 200-h durability measurement. Possible degradation mechanisms were discussed in detail. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：2279 / 2285
页数：7
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