Preparation and properties of ion exchange membranes for PEMFC with sulfonic and carboxylic acid groups based on polynorbornenes

被引：39

作者：

Wang, Chao ^{[1
]}

Feng, Zhiming ^{[2
]}

Zhao, Yang ^{[1
]}

Li, Xue ^{[2
]}

Li, Weiwei ^{[2
]}

Xie, Xiaofeng ^{[2
]}

Wang, Shubo ^{[2
]}

Hou, Hua ^{[1
]}

机构：

[1] North Univ China, Coll Mat Sci & Engn, Taiyuan 030051, Shanxi, Peoples R China

[2] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 50期

基金：

中国国家自然科学基金;

关键词：

Proton exchange membrane; Ring opening metathesis polymerization; Norbornene derivatives; Sulfonic and carboxylic functional groups; OPENING METATHESIS POLYMERIZATION; POLY(ARYLENE ETHER SULFONE); ENHANCED PROTON CONDUCTIVITY; LIQUID-CRYSTALLINE POLYMERS; FUEL-CELL APPLICATIONS; MULTIBLOCK COPOLYMERS; PHASE BEHAVIORS; CROSS-LINKING; NAFION; DERIVATIVES;

D O I：

10.1016/j.ijhydene.2017.09.168

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bifunctional groups proton exchange membranes (PEMs) with sulfonic and carboxylic acid groups were prepared via ring-opening metathesis polymerization (ROMP) based on norbornene derivatives. The sulfonic acid groups and the carboxylic acid groups were introduced into the polymer chains in the form of sulfonyl chloride and ester separately. Because of the introduction of these two groups, not only greatly improve the proton conductivity of PEMs, but also improve their mechanical performance and thermal stability. When the highest proton conductivity of the bifunctional groups PEMs is 123.96 mS/cm, its proton conductivity is higher than that of Nafion (R) 117 at 25 degrees C. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：29988 / 29994

页数：7

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