Double cross-linked polyetheretherketone proton exchange membrane for fuel cell

被引：24
作者：
Luo, Hongze [1 ]
Vaivars, Guntars [2 ]
Mathe, Mkhulu [1 ]
机构：
[1] CSIR, ZA-0001 Pretoria, South Africa
[2] Latvian State Univ, Inst Solid State Phys, LV-1063 Riga, Latvia
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 07期
关键词：
Cross-linked PEEK; Water uptake; Proton conductivity; Proton exchange membrane; Fuel cell; POLY(ETHER ETHER KETONE); STATE;
D O I：
10.1016/j.ijhydene.2011.05.115
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：
The proton exchange membrane based on polyetheretherketone was prepared via two steps of cross-linking. The properties of the double cross-linked membrane (water uptake, proton conductivity, methanol permeability and thermal stability) have been investigated for fuel cell applications. The prepared membrane exhibited relatively high proton conductivity, 3.2 x 10(-2) S cm(-1) at room temperature and 5.8 x 10(-2) S cm(-1) at 80 degrees C. The second cross-linking significantly decreased the water uptake of the membrane. The performance of direct methanol fuel cell was slightly improved as compared to Nafion (R) 117 due to its low methanol permeability. The results indicated that the double cross-linked membrane is a promising candidate for the polymer electrolyte membrane fuel cell, especially for the direct methanol fuel cell due to its low methanol permeability and high stability in a methanol solution. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：6148 / 6152
页数：5
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