Effect of PTFE content on the performance of a Direct Methanol fuel cell

被引：24
|
作者：
Krishnamurthy, Balaji [1 ]
Deepalochani, S. [1 ]
机构：
[1] Adv Res Ctr Powder Met & New Mat, Ctr Fuel Cell Technol, Chennai 600100, Tamil Nadu, India
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2009年 / 34卷 / 01期
关键词：
Platinum utilization; Cyclic voltammetry; Nafion; PTFE; GAS-DIFFUSION LAYER; HYDROPHOBIC POLYMER CONTENT; WATER TRANSPORT; ELECTRODES; MORPHOLOGY; MEMBRANES; CROSSOVER; BACKING; DMFC;
D O I：
10.1016/j.ijhydene.2008.09.093
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：
Polytetrafluroethylene (PTFE) plays a key role in the performance of a Direct Methanol fuel cell. The presence of PTFE content in the backing layer and the microporous layer affects the performance of a Direct Methanol fuel cell independently. PTFE content is found to affect the catalyst utilization values and cell impedance values. A 20% PTFE content is found to be optimal in the cathode backing layer and cathode microporous layer. The performance of a Direct Methanol fuel cell is found to be more sensitive to the PTFE content in the anode microporous layer. (C) 2008 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：446 / 452
页数：7
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