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Preparation of Cation Exchange Membrane using Polybenzimidazole and Its Characteristic  

Kim, Joeng-Geun (Energy Efficiency Department, KIER)
Lee, Sang-Ho (Energy Efficiency Department, KIER)
Ryu, Cheol-Hwi (Grad. School, Dep. Green Energy Engineering, Hoseo University)
Hwang, Gab-Jin (Grad. School, Dep. Green Energy Engineering, Hoseo University)
Publication Information
Membrane Journal / v.22, no.4, 2012 , pp. 265-271 More about this Journal
Abstract
Polybenzimidazole (PBI) was prepared by condensation polymerization using diaminobenzidine (DAB) and isophtalic acid (IPAc). The cation exchange membrane was prepared by introduce the ion exchange group in the PBI polymer. It was confirmed from FT-IR analysis that the prepared PBI powder had same peak compared with commercial PBI power. The ionic conductivity of PBI film was $0.1{\sim}0.9{\times}10^{-2}$ S/cm. The ionic conductivity of prepared SPBI cation exchange membrane showed $3.7{\sim}4.7{\times}10^{-2}$ S/cm and had higher than Nafion117 ($2.0{\times}10^{-2}$ S/cm).
Keywords
PBI (polybenzimidazole); ion exchange membrane; cation exchange membrane; membrane preparation; ionic conductivity;
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Times Cited By KSCI : 3  (Citation Analysis)
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