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

被引:24
作者
Jeong, Sung Kuk [1 ]
Lee, Ju Sung [1 ]
Woo, Sahng Hyuck [1 ]
Seo, Jin Ah [1 ]
Min, Byoung Ryul [1 ]
机构
[1] Yonsei Univ, Dept Chem & Biomol Engn, Seoul 120749, South Korea
关键词
fuel cell; glycidyl methacrylate; divinyl benzene; vinyl benzyl chloride; anion exchange membrane; GLYCIDYL METHACRYLATE; PROTON TRANSPORT; PERFORMANCE; STABILITY; HYDROXIDE; MECHANISM; COPOLYMER; EFFICIENT;
D O I
10.3390/en8077084
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
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<bold>g(</bold>-1) and 0.022 S<bold>cm(</bold>-1) (at 60 degrees C), respectively. IEC and ion conductivity of membranes were quaternized by DABCO were 1.34 meq<bold>g(</bold>-1) and 0.021 S<bold>cm(</bold>-1) (at 60 degrees 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.
引用
收藏
页码:7084 / 7099
页数:16
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