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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on as a courtesy and upon agreement with AVERE.
Open AccessArticle

Investigation of PEMFC Stack Operating at Elevated Temperature

1,2, 1,2, 1,2, 1,2 and 1,2,*
School of Automotive Studies, Tongji University, 4800 Cao’an Road, Shanghai, 201804, P R China
Clean Energy Automotive Engineering Center, Tongji University, 4800 Cao’an Road, Shanghai, 201804, P R China
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2010, 4(3), 481-486;
Published: 24 September 2010
PDF [459 KB, uploaded 18 May 2018]


Proton exchange membrane fuel cell (PEMFC) operating at elevated temperature has many advantages compared to low temperature prototypes. With the adoption of short side chain, low equivalent weight (EW) perfluorosulphonic acid (PFSA) membrane, a 100W PEMFC stack was built and evaluated at an elevated temperature of 95℃. For the purpose of studying the effect of anode relative humidity (RH) on fuel cell performance, the stack was tested with (1) 60% RH air and 70% RH H2, (2) 60% RH air and dry H2, respectively under different temperatures. Furthermore, the CO tolerance of the stack was investigated at low and elevated temperatures in the presence of 5ppm, 10ppm and 20ppm CO/H2, respectively. The results demonstrated that the stack performance with dry H2 was more than 30% inferior to that with H2 of 70% RH, and the cell consistency deteriorated under higher temperature and lower anode RH. The polarization curves of the stack employed fuel rich in CO indicated that elevating the operating temperature to 95℃ could improve the anode catalyst tolerance to CO, and the CO poisoning effect on cell polarization is slight at low current densities.
Keywords: PEMFC; Elevated temperature; Relative humidity; CO tolerance PEMFC; Elevated temperature; Relative humidity; CO tolerance
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zhang, H.; Yang, D.; Tao, K.; Zheng, X.; Ma, J. Investigation of PEMFC Stack Operating at Elevated Temperature. World Electr. Veh. J. 2010, 4, 481-486.

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