Optical Measurement Technique of Water Contents in Polymer Membrane for PEFCs
作者： Kazuyoshi Fushinobu , Kenji Shimizu , Nariaki Miki , Ken Okazaki
DOI: 10.1115/1.2133801
关键词: Transient (oscillation) 、 Infrared 、 Polymer 、 Chemical engineering 、 Water content 、 Analytical chemistry 、 Calibration 、 Wavelength 、 Electrolyte 、 Membrane 、 Materials science
摘要: The feasibility of an optical technique is examined for the measurement membrane water content in polymer electrolyte fuel cells (PEFCs). Transmission infrared light 1.92 μm wavelength used to measure membrane. A calibration procedure examined, and applied transient a Nafion that gives value diffusion coefficient, consistent with previous reports. then operating PEFC show its applicability situ measurement.
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