Liquid Tin-Lead Anode Solid Oxide Fuel Cell Fueled by Coal

被引：10
|
作者：
LaBarbera, M. [1 ]
Fedkin, M. [1 ]
Lvov, S. [1 ]
机构：
[1] Penn State Univ, EMS Energy Inst, University Pk, PA 16802 USA
来源：
SOLID OXIDE FUEL CELLS 12 (SOFC XII) | 2011年 / 35卷 / 01期
关键词：
DIRECT OXIDATION; CONVERSION; OIL;
D O I：
10.1149/1.3570271
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Liquid tin-lead alloy, liquid bismuth, and liquid tin-lead-bismuth alloy were investigated as potential anodes for a solid oxide fuel cell powered directly by coal. Power generation from direct oxidation of solid coal was demonstrated with a good stability only in the case when liquid tin-lead anode was used. The tests were carried out at 900 degrees C under ambient pressure. The open circuit potentials of the SOFC with tin-lead and bismuth anodes operated under nitrogen were compared, and those values were found to correspond to the metal-metal oxide redox potentials for tin and bismuth, respectively. When the SOFCs were fueled by hydrogen, only the tin-lead anode showed a direct electrochemical reaction between hydrogen and oxygen. When 60-mesh coal powder was fed to the liquid tin-lead anode, SOFC showed increase in open circuit potential and generated power from direct electrochemical oxidation of coal.
引用
收藏
页码：2725 / 2734
页数：10
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