A review of polymer electrolyte membranes for direct methanol fuel cells

被引:782
作者
Neburchilov, Vladimir [1 ]
Martin, Jonathan [1 ]
Wang, Haijiang [1 ]
Zhang, Jiujun [1 ]
机构
[1] Inst Fuel Cell Innovat, Natl Res Council, Vancouver, BC V6T 1W5, Canada
关键词
polymer electrolyte membrane; DMFC; methanol crossover; proton conductivity; durability; thermal stability; PROTON CONDUCTING MEMBRANES; ACID-DOPED POLYBENZIMIDAZOLE; COMPOSITE MEMBRANES; THERMAL-STABILITY; ELECTROCHEMICAL CHARACTERIZATION; NAFION MEMBRANE; CROSSOVER; PERFORMANCE; PEM; POLYETHERKETONE;
D O I
10.1016/j.jpowsour.2007.03.044
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
This review describes the polymer electrolyte membranes (PEM) that are both under development and commercialized for direct methanol fuel cells (DMFC). Unlike the membranes for hydrogen fuelled PEM fuel cells, among which perfluorosulfonic acid based membranes show complete domination, the membranes for DMFC have numerous variations, each has its advantages and disadvantages. No single membrane is emerging as absolutely superior to others. This review outlines the prospects of the currently known membranes for DMFC. The membranes are evaluated according to various properties, including: methanol crossover, proton conductivity, durability, thermal stability and maximum power density. Hydrocarbon and composite fluorinated membranes currently show the most potential for low cost membranes with low methanol permeability and high durability. Some of these membranes are already beginning to impact the portable fuel cell market. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:221 / 238
页数:18
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