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http://dx.doi.org/10.9713/kcer.2021.59.4.508

Comparison of Degradation due to Fenton Reaction between Reinforced and Non-reinforced Membranes Used in PEMFC  

Oh, Sohyeong (Department of Chemical Engineering, Sunchon National University)
Yoo, Donggeun (Department of Chemical Engineering, Sunchon National University)
Lee, Mihwa (Department of Chemical Engineering, Sunchon National University)
Park, Jisang (Department of Chemical Engineering, Sunchon National University)
Park, Kwon-Pil (Department of Chemical Engineering, Sunchon National University)
Publication Information
Korean Chemical Engineering Research / v.59, no.4, 2021 , pp. 508-513 More about this Journal
Abstract
In order to improve the durability of a proton exchange membrane fuel cells (PEMFC), it is essential to improve the durability of the polymer membrane. In order to improve the durability of the membrane, an e-PTFE support and a radical scavenger are added. In this study, the chemical durability of the reinforced membrane with ePTFE support and the non-reinforced membrane was compared by Fenton reaction. In the Fenton experiment of the polymer membrane without the addition of a radical scavenger, the absorption rate of hydrogen peroxide solution and iron ions through the cross section of the specimen cut into small pieces was higher in the reinforced membrane, so that the fluorine outflow concentration was higher. According to the type and amount of radical scavenger added, the fluorine outflow concentration of the reinforced membrane has a large difference of more than 3 times, indicating that the effect of the radical scavenger was stronger than that of the support.
Keywords
PEMFC; Reinforced membrane; e-PTFE; Fenton reaction; Chemical degradation;
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