A novel environment-friendly route to prepare proton exchange membranes for direct methanol fuel cells

被引：15
|
作者：
Wei, Zheng [1 ,2 ]
He, Shaojian [3 ]
Liu, Xin [1 ,2 ]
Qiao, Jing [1 ,2 ]
Lin, Jun [3 ]
Zhang, Liqun [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Beijing City Preparat & Proc Novel Polyme, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[3] N China Elect Power Univ, Sch Renewable Energy, Beijing 102206, Peoples R China
来源：
POLYMER | 2013年 / 54卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Proton exchange membrane; Solvent-free; In situ reaction; POLYMER ELECTROLYTE MEMBRANES; ETHER KETONE) COPOLYMERS; ZINC DIMETHACRYLATE; CROSS-LINKING; WATER; POLYPROPYLENE; SULFONE)S; TRANSPORT; STYRENE; MOIETY;
D O I：
10.1016/j.polymer.2012.12.060
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
For the past decade, much effort has been dedicated to non-fluorinated polymeric membranes as alternatives for commercial Nafion in the field of direct methanol fuel cells (DMFCs). However, most of researches have used solvents that are environmentally unfriendly during the membranes preparation. This work reported a novel solvent-free route to prepare non-fluorinated proton exchange membranes (PEMs) via the in situ reaction and grafting of sodium 4-styrene sulfonate (NaSS) to hydrogenated nitrile butadiene rubber (HNBR) during peroxide curing. Membrane morphology was characterized by TEM and SEM-EDX experiments. The effect of NaSS loading and unsaturation level of HNBR on the membrane properties were studied. The obtained membranes exhibited proton conductivity on the order of 0.01 S/cm and selectivity (the ratio of proton conductivity to methanol permeability) higher than that of Nafion, and could be potentially used for the application in DMFCs. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1243 / 1250
页数：8
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