Investigation of anode flow field for direct dimethyl ether fuel cell

被引：6
|
作者：
Cai, Kedi [1 ,2 ]
Wang, Cheng [1 ]
Pu, Weihua [1 ]
Gao, Yong [1 ,3 ]
Mao, Zongqiang [1 ]
机构：
[1] Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
[2] Bohai Univ, Inst Liaoxi Ecol Environm Sci, Jinzhou 121013, Peoples R China
[3] China Univ Geosci, Fac Mat Sci & Chem Engn, Wuhan 430074, Hubei, Peoples R China
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2012年 / 37卷 / 17期
基金：
国家高技术研究发展计划(863计划); 中国博士后科学基金;
关键词：
Fuel cell; Dimethyl ether; Anode flow field; ELECTROOXIDATION; METHANOL; ETHANOL; PERFORMANCE; CATALYSTS;
D O I：
10.1016/j.ijhydene.2012.04.080
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 this work, we presented the novel anode flow field for direct dimethyl ether fuel cell (DDFC). The anode flow field of the DDFC consisted of hydrophilic, hydrophobic, and diffusion region (with a ratio of region areas of 3:6:1). The maximum power density of the DDFC with novel anode flow field was 67 mW cm(-2), which was higher than that of the cell fed with conventional flow field (60 mW cm(-2)). The electrochemical impedance spectra analyses revealed that the mass transfer resistance of novel anode flow field was lower than that of conventional flow field. The constant current operation curves showed that the performance decay ratio of the novel anode flow field was lower than that of conventional one. It indicated that the novel flow field benefited the long-term operation of DDFC. (C) Copyright 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：12605 / 12608
页数：4
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