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Investigation of a novel anode for solid oxide fuel cells using iso-octane fuels
Dong Ding 1,Zhangbo Liu 1,Lei Li 1,Kai Feng 2,Changrong Xia 2 * #
1.Department of Materials Science and Engineering, University of Science and Technology of China
2.Department of Materials Science and Engineering,University of Science and Technology of China
*Correspondence author
#Submitted by
Subject:
Funding: 教育部博士点基金（No.20050358023）
Opened online:17 September 2008
Accepted by: none
Citation: Dong Ding,Zhangbo Liu,Lei Li.Investigation of a novel anode for solid oxide fuel cells using iso-octane fuels[OL]. [17 September 2008] http://en.paper.edu.cn/en_releasepaper/content/24115
 
 
A Ru-free anode was developed for the direct utilization of iso-octane in solid oxide fuel cells (SOFCs). The anode was consisted of Ni frameworks and nano-sized oxygen-ion conductor, samaria-doped ceria (SDC), which was introduced via an ion impregnation process. Compared with the cells with conventional Ni-cermet anodes, the cells with SDC-coated Ni anodes showed improved stability and enhanced electrochemical activity. Peak power density of ~ 400 mW cm-2 was achieved at 600 oC, and power generation was relatively stable over 260 hours when iso-octane-air mixtures were directly used as the fuel. The fuel composition had great effect on cell stability, indicating the fuel cell performance could be further improved by adjusting iso-octane content in the mixtures.
Keywords:Hydrocarbons; octane; ceria-coated anode; ion impregnation process; solid oxide fuel cells
 
 
 

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