Cell performance of SOFC using CH4-CO2 mixed gases

被引：18
|
作者：
Sameshima, Soichiro [1 ]
Furukawa, Naoki [1 ]
Hirata, Yoshihiro [1 ]
Shimonosono, Taro [1 ]
机构：
[1] Kagoshima Univ, Dept Chem Biotechnol & Chem Engn, Kagoshima 8900065, Japan
来源：
CERAMICS INTERNATIONAL | 2014年 / 40卷 / 04期
关键词：
C. Electrical properties; D; CeO2; Carbon; E. Fuel cells; DOPED CERIA ELECTROLYTE; GDC ANODE; ELECTROCHEMICAL-CELL; CARBON-MONOXIDE; FUEL; NI; BIOGAS; MIXTURES; HYDROGEN; DIOXIDE;
D O I：
10.1016/j.ceramint.2013.11.086
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Cell performance was measured for a solid oxide fuel cell with dense gadolinium-doped ceria (GDC) electrolyte, Ni GDC anode and (La0.8Sr0.2)(Co0.8Fe0.2)O-3 cathode using CH4-CO2 mixed gases. The power density of SOFC increased with increasing CH4 concentration (30-60 vol%) of CH4-CO2 gas. The maximum powder density was 334 mW/cm(2) at 800 degrees C for a 60 vol% CH4 fuel. The outlet gas contained CH4, CO2, H-2, CO and O-2 gases. No degradation of cell performance at 800 degrees C was measured for 50 h when 50-70 vol% CH4 fuels were supplied. A part of supplied CH4 gas was decomposed to form graphite and a H-2 fuel at the anode. However, no blockage of outlet gas was measured for 50 h. (c) 2013 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：6279 / 6284
页数：6
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