NDLI: Measurement of Oxygen Partial Pressure Distribution in a Fuel Cell Using Pressure-Sensitive Paint

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Inagaki, Suguru Nagai, Hiroki Asai, Keisuke
Copyright Year	2007
Abstract	To improve efficiency and service life of a fuel cell, it is important to understand the dynamic behavior of oxygen molecules in the cell. In other words, we need to know the oxygen concentration distribution over electrode planes and inside diffused layers in addition to its time variation. We applied the Pressure-Sensitive Paint (PSP) technique to this problem, attempting to measure distribution of partial pressure oxygen along micro channels of a fuel cell. To prevent the effect of water produced by the power generation process, we developed a water-repellent PSP that can withstand heat and humidity produced by power generation. Using this paint, partial oxygen distribution along the micro channels was successfully visualized, although there were noticeable effects of local temperature distribution on the absolute accuracy for the conditions with higher current densities.
Sponsorship	Heat Transfer Division
Starting Page	77
Ending Page	83
Page Count	7
File Format	PDF
ISBN	0791842754
DOI	10.1115/HT2007-32751
e-ISBN	0791838013
Volume Number	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2
Conference Proceedings	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
Language	English
Publisher Date	2007-07-08
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Electrodes Water Temperature distribution Oxygen Heat Fuel cells Service life (equipment) Energy generation Water repellents Pressure Paints Microchannels
Content Type	Text
Resource Type	Article

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