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Energies 2015, 8(7), 7084-7099; doi:10.3390/en8077084

Characterization of Anion Exchange Membrane Containing Epoxy Ring and C–Cl Bond Quaternized by Various Amine Groups for Application in Fuel Cells

Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea
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Academic Editor: Vladimir Gurau
Received: 26 May 2015 / Revised: 22 June 2015 / Accepted: 7 July 2015 / Published: 14 July 2015
(This article belongs to the Special Issue Polymer Electrolyte Membrane Fuel Cells 2015)
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Abstract

Anion exchange membranes were synthesized from different compositions of glycidyl methacrylate (GMA) and vinylbenzyl chloride (VBC), with constant content of divinyl benzene (DVB) by radical polymerization using benzoyl peroxide (BPO) on non-woven polyethylene terephthalate (PET) substrate. Polymerized membranes were then quaternized by soaking in trimethylamine (TMA), triethylamine (TEA), tripropylamine (TPA), and 1,4-diazabicyclo [2.2.2] octane (DABCO). Characteristics of membranes were confirmed by Fourier transform infrared spectroscopy, water uptake, ion exchange capacity, ion conductivity, thermal, and alkaline stability. The results revealed that membranes quaternized by TPA and DABCO showed high affinity when GMA content was 15 wt% and 75 wt%, respectively. IEC and ion conductivity of membranes quaternized by TPA were 1.34 meq·g1 and 0.022 S·cm1 (at 60 °C), respectively. IEC and ion conductivity of membranes were quaternized by DABCO were 1.34 meq·g1 and 0.021 S·cm1 (at 60 °C), respectively. The results indicate that the membrane containing GMA 15 wt% quaternized by TPA showed the highest thermal stability among membranes and exhibited high ion conductivity compared to existing researches using GMA, VBC, and DVB monomers. View Full-Text
Keywords: fuel cell; glycidyl methacrylate; divinyl benzene; vinyl benzyl chloride; anion exchange membrane fuel cell; glycidyl methacrylate; divinyl benzene; vinyl benzyl chloride; anion exchange membrane
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Jeong, S.K.; Lee, J.S.; Woo, S.H.; Seo, J.A.; Min, B.R. Characterization of Anion Exchange Membrane Containing Epoxy Ring and C–Cl Bond Quaternized by Various Amine Groups for Application in Fuel Cells. Energies 2015, 8, 7084-7099.

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