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

页码：6279 / 6284

页数：6

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