Property Control of Layer-by-Layer Assembled Sulfonated Poly(phenylene oxide) Composite Membrane Based on Nafion for Fuel Cell Applications

被引：7
作者：
Kim, Byung Guk [1 ]
Kim, Seon Mi [1 ]
Cho, Chang Gi [1 ]
机构：
[1] Hanyang Univ, Dept Organ & Nano Engn, Seoul 133791, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2015年 / 15卷 / 02期
关键词：
Layer by Layer; Methanol Permeability; Proton Exchange Membrane; Selectivity; PROTON-EXCHANGE MEMBRANE; POLYELECTROLYTE MULTILAYERS; SALT; COPOLYMERS;
D O I：
10.1166/jnn.2015.9301
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Multilayered composite proton exchange membranes were prepared by LbL method by alternating deposition of poly(diallyl dimethyl ammonium chloride) (PDDA) and highly sulfonated poly(phenylene oxide) (sPPO) onto the surface of Nation 212. The sulfonated sPPO solution contained polystyrenesulfonic acid copolymer with azide moiety. Thickness of the LbL composite membrane was controlled by using the anionic solution of sPPO containing 0.5 M NaCl. The membranes were crosslinked by using UV to give the mechanical and chemical durability. The crosslinked composite membrane showed decreased methanol permeability with the increasing number of bilayers, and showed increased overall selectivity compared to Nafion film.
引用
收藏
页码：1379 / 1382
页数：4
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