Fuel cells have attracted extensive attention throughout the world in recent years for their high efficiency and high environmental compatibility. Temperature plays a key role in achieving high performance of fuel cells because it deeply influences the activity of catalyst, dehydration of solid polymer membrane, mass transfer and heat management of fuel cells. The temperature distribution has close relationship with current density distribution and lifetime of fuel cells because the uniformity of temperature distribution is a quite important problem for fuel cells. In this paper, a review of temperature measurement technologies that can be used to measure temperature distribution of fuel cells was presented. The measurement of cathode exterior surface temperature fields of a hydrogen proton exchange membrane fuel cell under various operational conditions was conducted by using the technology of infrared thermal imaging. The proton exchange membrane fuel cell structure was designed for uniformity of input heat. A NEC TH5102 thermo tracer was applied to measure the cathode exterior surface temperature distributions of the cell with 5cm2 active area. The experimental results showed that the infrared thermal imaging is an effective method to measure the exterior temperature fields of the PEMFC. The cathode temperature distributions of the cell varied with cell temperatures and flow rates.
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Temperature Measurement Technologies and Their Application in the Research of Fuel Cells
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Wang, MH, Guo, H, Ma, CF, Ye, F, Yu, J, Liu, X, Wang, Y, & Wang, CY. "Temperature Measurement Technologies and Their Application in the Research of Fuel Cells." Proceedings of the ASME 2003 1st International Conference on Fuel Cell Science, Engineering and Technology. 1st International Fuel Cell Science, Engineering and Technology Conference. Rochester, New York, USA. April 21–23, 2003. pp. 95-100. ASME. https://doi.org/10.1115/FUELCELL2003-1705
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