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http://dx.doi.org/10.9713/kcer.2013.51.3.325

Effect of Membrane Degradation on the Electrode Degradation in PEMFC  

Song, Jinhoon (Department of Chemical Engineering, Sunchon National University)
Jeong, Jaejin (Department of Chemical Engineering, Sunchon National University)
Jeong, Jaehyeun (Department of Chemical Engineering, Sunchon National University)
Kim, Saehoon (HMC Eco Technology Research Institute)
Ahn, Byungki (HMC Eco Technology Research Institute)
Ko, Jaijoon (HMC Eco Technology Research Institute)
Park, Kwonpil (Department of Chemical Engineering, Sunchon National University)
Publication Information
Korean Chemical Engineering Research / v.51, no.3, 2013 , pp. 325-329 More about this Journal
Abstract
The membrane and electrode were degraded coincidentally at real PEMFC(Proton Exchange Membrane Fuel Cells) operation condition. But the interaction membrane degradation between electrode degradation has not been studied. The effect of membrane degradation on electrode degradation was studied in this work. We compared electrode degradation after membrane degradation and electrode degradation without membrane degradation. I-V performance, hydrogen crossover current, impedance and TEM were measured after and before degradation of MEA. Membrane degradation enhanced hydrogen crossover, and then Pt particle growth rate was reduced. Increase of hydrogen crossover by membrane degradation reduced the electrode degradation rate.
Keywords
PEMFC; Degradation; Membrane; Electrode; Hydrogen Crossover;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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