The effect of nickel ozide microstructure on the performance of Ni-YSZ anode-supported SOFCs
Four kinds of nickel oxide powder with different microstructure were used as the anode materials for anode-supported solid oxide fuel cells (SOFCs). The microstructure of the powders was evaluated using scanning electron microscopy (SEM). The performance of the anode-supported SOFCs was investigated through measuring and analyzing the current-voltage characteristics, electrochemical impedance spectra (EIS) and microstructure images. It was found that the performance of a Ni-YSZ anode-supported SOFC depends strongly upon the anode microstructure which is decided by the characteristics of nickel oxide powder. The highest SOFC performance was obtained from the cell with the finest nickel oxide powder synthesized by glycine-nitrate combustion method while the lowest performance was with the coarsest powder purchased from a general chemical supplier.
SOFCs Nickel ozide powder Microstructure Anode-supported Thin electrolyte Centrifugal casting
Weimin Guo Jiang Liu
College of Chemistry, South China University of Technology, Guangzhou 510640, PR China
国际会议
The 16th International Conference on Solid State Ionics(第十六届国际固态离子学会议)
上海
英文
1516-1520
2007-07-01（万方平台首次上网日期，不代表论文的发表时间）