Efficient hydrogen production from aqueous methanol in a PEM electrolyzer with porous metal flow field: Influence of PTFE treatment of the anode gas diffusion layer

被引：26
作者：
Anh Tuan Pham [1 ]
Baba, Tomohiro [1 ]
Sugiyama, Tatsuki [1 ]
Shudo, Toshio [1 ]
机构：
[1] Tokyo Metropolitan Univ, Grad Sch Sci & Engn, Hachioji, Tokyo 1920397, Japan
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2013年 / 38卷 / 01期
关键词：
Hydrogen production; Methanol electrolysis; Porous metal flow field; Proton exchange membrane (PEM); Gas diffusion layer; Polytetrafluoroethylene (PTFE); ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; FUEL-CELL ANODES; PERFORMANCE; WATER; OXIDATION; KINETICS; DMFC;
D O I：
10.1016/j.ijhydene.2012.10.036
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：
In a proton exchange membrane (PEM) methanol electrolyzer, the even supply of reactant to and the smooth removal of carbon dioxide from the anode are very important in order to achieve a high hydrogen production performance. An appropriate design of flow field and gas diffusion layer (GDL) is a key factor in satisfying the above requirements. Previous research has shown that hydrogen production performance of the PEM methanol electrolyzer cell was largely improved with a porous flow field made of sintered spherical metal powder compared with a conventional groove type flow field. Based on this improvement, the current study investigated the influence of polytetrafluoroethylene (PTFE) treatment of the anode GDL on hydrogen production performance of the PEM methanol electrolyzer with porous metal flow fields. Influences of operating conditions such as methanol concentration and cell temperature with the flow field were also investigated. Copyright (c) 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：73 / 81
页数：9
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