TiO2-coated Ni powder as a new cathode material for molten carbonate fuel cells

被引：10
|
作者：
Hong, Ming Zi
Lee, Hyun Suk
Kim, Min Hyuk
Park, Eun Joo
Ha, Hyung Wook
Kim, Keon [1 ]
机构：
[1] Korea Univ, Div Chem & Mol Engn, Seoul 136701, South Korea
[2] Jilin Inst Chem Technol, Jilin 132022, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2006年 / 156卷 / 02期
关键词：
molten carbonate fuel cell; LiTi1-xNixO2; solubility; TiO2-coated nickel cathode; sol-gel method;
D O I：
10.1016/j.jpowsour.2005.03.236
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：
The properties of a new cathode material of nano-sized TiO2-coated Ni powder for application in molten carbonate fuel cells (MCFCs) are investigated. The material is prepared by a sol-gel method. X-ray diffraction (XRD), field emission-scanning electron microscopy (FE-SEM) with energy dispersive X-ray analysis (EDAX), transmission electron microscopy (TEM) and Raman spectroscopy are employed to characterize the cathode material. The nano-sized TiO2 particles are homogenously coated on the surface of the Ni powder. A stable LiTi1-xNixO2 phase is formed on the surface of the Ni powder during immersion in molten carbonate at 650 degrees C. The solubility of the TiO2-coated Ni cathode is about 50% lower compare with that of a pure Ni cathode. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：158 / 165
页数：8
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