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Preparation and Their Characterization of Blended Polymer Electrolyte Membranes of Polysulfone and Sulfonated Poly(ether ether ketone)  

Cheon, Hun-Sang (Department of Chemical Engineering, Hanbat National University)
Oh, Min (Department of Chemical Engineering, Hanbat National University)
Hong, Seong-Uk (Department of Chemical Engineering, Hanbat National University)
Publication Information
Membrane Journal / v.13, no.1, 2003 , pp. 47-53 More about this Journal
Abstract
Poly(ether ether ketone)(PEEK) was sulfonated using sulfuric acid and blended with polysulfone with various ratios. The blended polymer electrolyte membranes were characterized in terms of methanol permeability, proton conductivity and ion exchange capacity. As the amount of sulfonated PEEK increased, both methanol permeability and proton conductivity increased. This was due to the increase of ion exchange capacity. The experimental results indicated that the blend membrane with 20% polysulfone was the best choice In terms of the ratio of proton conductivity to methanol permeability.
Keywords
direct methanol fuel cell; sulfonated poly(ether ether ketone); methanol permeability; proton conductivity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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