Optical measurement technique of water contents in polymer membrane for PEFCs

被引：11
|
作者：
Fushinobu, Kazuyoshi [1 ]
Shimizu, Kenji [1 ]
Miki, Nariaki [1 ]
Okazaki, Ken [1 ]
机构：
[1] Tokyo Inst Technol, Dept Mech & Control Engn, Meguro Ku, Tokyo 1528552, Japan
来源：
JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY | 2006年 / 3卷 / 01期
关键词：
D O I：
10.1115/1.2133801
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The feasibility of an optical technique is examined for the measurement of the membrane water content in polymer electrolyte fuel cells (PEFCs). Transmission of the infrared light of 1.92 mu m wavelength is used to measure the water content in the polymer electrolyte membrane. A calibration procedure is examined, and the technique is applied for the transient measurement of a Nafion membrane that gives the value of water diffusion coefficient, consistent with previous reports. The technique is then applied to an operating PEFC to show its applicability for in situ measurement.
引用
收藏
页码：13 / 17
页数：5
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