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http://dx.doi.org/10.9713/kcer.2017.55.3.296

Durability of MEA Using sPEEK Membrane Reinforced with Poly Imide in PEMFC  

Lee, Hye-Ri (Department of Chemical Engineering, Sunchon National University)
Na, Il-Chai (CNL Energy Co)
Oh, Sung-Jun (CNL Energy Co)
Park, Kwon-Pil (Department of Chemical Engineering, Sunchon National University)
Publication Information
Korean Chemical Engineering Research / v.55, no.3, 2017 , pp. 296-301 More about this Journal
Abstract
Recently, there are many efforts focused on development of more economical non-fluorinated membranes for PEMFCs (Proton Exchange Membrane Fuel Cells). In this study, sulfonated poly (ether ether ketone) (sPEEK) membrane reinforced with poly imide was made to enhance of membrane durability. In order to test durability of single (un-reinforced) membrane and reinforced membrane MEA (Membrane and Electrode Assembly), degradation accelerated stress test was used. Before and after degradation, I-V polarization curve, hydrogen crossover current, electrochemical surface area, membrane resistance and charge transfer resistance were measured. As a result of experiments, hydrogen crossover current of reinforced MEA was lower than that of single MEA, therefor durability of reinforced MEA was higher than that of single MEA. There was not especially short phenomena in reinforced MEA after degradation accelerated stress test.
Keywords
PEMFC; sPEEK; Degradation; Accelerated stress test; Durability; Reinforced MEA; Poly imide;
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Times Cited By KSCI : 5  (Citation Analysis)
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