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http://dx.doi.org/10.9713/kcer.2018.56.3.315

Variation of Hydrogen Peroxide Concentration during Fenton Reaction for Test the Membrane Durability of PEMFC  

Oh, Sohyung (Department of Chemical Engineering, Sunchon National University)
Kim, Jeongjae (Department of Chemical Engineering, Sunchon National University)
Lee, Daewoong (Department of Chemical Engineering, Sunchon National University)
Park, Kwonpil (Department of Chemical Engineering, Sunchon National University)
Publication Information
Korean Chemical Engineering Research / v.56, no.3, 2018 , pp. 315-319 More about this Journal
Abstract
Fenton reaction is widely used as a out of cell method for evaluating the membrane electrochemical durability of Proton Exchange Fuel Cell (PEMFC). In this study, we investigated the factors affecting the Fenton reaction. In order to estimate the degree of the reaction, it is necessary to analyze the radicals as a product in the Fenton reaction. However, since the radicals are difficult to analyze, the degree of the reaction was measured by analyzing the concentration of hydrogen peroxide. The activation energy was calculated from the rate of hydrogen peroxide change with temperature. The activation energy was 24.9 kJ/mol at 180 min. The Fenton reaction rate was affected by the iron ion concentration. At $80^{\circ}C$, 200 rpm, and $Fe^{2+}$ 80 ppm, the concentration of hydrogen peroxide was decreased more than 20% even for 1 hour, which shows that frequent solution replacement increases the membrane degradation rate.
Keywords
PEMFC; Membrane; Degradation; Fenton reaction; Hydrogen peroxide;
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Times Cited By KSCI : 2  (Citation Analysis)
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