APPLICATION OF AC-IMPEDANCE IN FUEL-CELL RESEARCH-AND-DEVELOPMENT

被引:40
作者
SELMAN, JR
LIN, YP
机构
[1] Department of Chemical Engineering, Illinois Institute of Technology, Chicago
关键词
IMPEDANCE SPECTROSCOPY; FUEL CELL; POROUS ELECTRODE; ELECTRODE REACTION;
D O I
10.1016/0013-4686(93)80341-V
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
In applying ac impedance to fuel cells and their porous (gas diffusion) electrodes the emphasis lies on different fuel cell components, and their properties, according to the fuel cell type. The focus has been directed at the electrode/electrolyte interface in MCFC and PAFC, whereas in SOFC and PEMFC the ionic/electronic conductivity of the electrolyte or the characteristics of its composite with the electrocatalyst is of primary interest. The limitations of ac impedance in fuel cell application are in part due to difficulties of interpretation and in part due to experimental difficulties because of the generally fast electrode reaction kinetics. Further research directions are indicated.
引用
收藏
页码:2063 / 2073
页数:11
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