Chem. J. Chinese Universities ›› 2000, Vol. 21 ›› Issue (S1): 118.
• Chemistry in Energy Sciences • Previous Articles Next Articles
XIAO Xiao-Ming, ZENG Yue, XIE Qing-Ji, YU Shang-Ci, LI Ze-Lin
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Abstract:
Proton-exchange membrane fuel cells (PEMFCs) recently have been studied extensively because of their high performance[1-3]. Since a small contacting area between the platinum catalyst and polymer electrolyte in PEMFCs, the platinum utilization is very important for this kind of cells. In order to improve the platinum utilization, Nafion solution is often impregnated into the gas-diffusion electrodes of PEMFCs. We introduced a partially immersed Nafion-coated electrode, Nafion/Pt/HOPG(highly oriented pyrolytic graphite) as a model electrode in PEMFC, to examine the effects of Nafion coating on the mass transport of hydrogen and proton at the meniscus and supermeniscus formed on the electrodes.
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XIAO Xiao-Ming, ZENG Yue, XIE Qing-Ji, YU Shang-Ci, LI Ze-Lin. The Mass Transfer of Proton on Meniscus Nafion/Pt/HOPG Electrode[J]. Chem. J. Chinese Universities, 2000, 21(S1): 118.
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http://www.cjcu.jlu.edu.cn/EN/Y2000/V21/IS1/118