The Influence of Hydrophobic Polymer Content in the Microporous Layer on the Performance of Proton Exchange Membrane Fuel Cells

被引：0
|
作者：
Vidmar, Jeff [1 ]
da Costa, Matthew [1 ]
Karimi, Shahram [1 ]
Foulkes, Frank R. [2 ]
机构：
[1] Lambton Coll, Alternat Energy Engn Technol, Sarnia, ON, Canada
[2] Univ Toronto, Dept Chem Engn & Appl Chem, Toronto, ON, Canada
来源：
IEEE TIC-STH 09: 2009 IEEE TORONTO INTERNATIONAL CONFERENCE: SCIENCE AND TECHNOLOGY FOR HUMANITY | 2009年
基金：
加拿大自然科学与工程研究理事会;
关键词：
proton exchange membrane fuel cell; hydrophobic polymer; gas diffusion layer; microporous layer; GAS-DIFFUSION ELECTRODES; PTFE; BEHAVIOR;
D O I：
10.1109/TIC-STH.2009.5444415
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The effects of hydrophobic polymer content and loading in the gas diffusion and microporous layers on the performance of an H-2/O-2 proton exchange membrane fuel cell were investigated. A membrane-electrode assembly with a microporous layer containing 20 wt.% polytetrafluoroethylene exhibits the best performance. Furthermore, a microporous layer loading of 1.5 milligrams of polytetrafluoroethylene and carbon powder per square centimeter of the gas diffusion electrode shows the best result. Electrodes have been characterized by electrochemical tests in a 5-cm(2) single cell.
引用
收藏
页码：669 / 674
页数：6
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