Liquid Water Visualization in Cathode Catalyst Layer of PEMFC by Soft X-ray Radiography

被引：2
|
作者：
Deevanhxay, P. [1 ]
Sasabe, T. [1 ]
Tsushima, S. [1 ]
Hirai, S. [1 ]
机构：
[1] Tokyo Inst Technol, Dept Mech & Control Engn, Meguro Ku, Tokyo 1528552, Japan
来源：
POLYMER ELECTROLYTE FUEL CELLS 11 | 2011年 / 41卷 / 01期
关键词：
ELECTROLYTE FUEL-CELLS; TRANSPORT; MANAGEMENT;
D O I：
10.1149/1.3635574
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Liquid water visualization in cathode CL was studied by using soft X-ray radiography. Water concentration gradient in the CL under the rib was observed under fuel cell operation. More liquid water accumulated in the CL at CL/GDL side than in the CL at CL/PEM side was identified. With increase in current density, more liquid water accumulated in both CL and GDL was observed. Correlation between the result of soft X-ray radiography and AC impedance measurement were also discussed.
引用
收藏
页码：403 / 408
页数：6
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