中国科学院大连化学物理研究所机构知识库
Advanced  
DICP OpenIR  > 中国科学院大连化学物理研究所  > 期刊论文
题名: Comparative studies of configurations and preparation methods for direct methanol fuel cell electrodes
作者: Mao, Qing;  Sun, Gongquan;  Wang, Suli;  Sun, Hai;  Wang, Guoxiong;  Gao, Yan;  Ye, Aiwei;  Tian, Yang;  Xin, Qin
关键词: DMFC ;  MEA preparation ;  reference electrode ;  ambient condition ;  methanol crossover
刊名: ELECTROCHIMICA ACTA
发表日期: 2007-08-01
DOI: 10.1016/j.electacta.2007.04.120
卷: 52, 期:24, 页:6763-6770
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: Catalyst-coated membrane (CCM) and catalyzed diffusion medium (CDM) prepared either by brush painting method or by spraying method were compared for direct methanol fuel cell (DMFC) anode and cathode. The pore structure and the morphology of the electrodes were characterized by mercury intrusion porosimetry (MIP) and scanning electron microscopy (SEM). Internal resistance corrected polarization curves were employed to separate the contribution of each compartment of the membrane electrode assembly (MEA) to the overall polarization. It was shown that the increased mass transport resistance in the anode diffusion layer made the anode in CDM form act as the methanol barrier. The CCM configuration and the increased pores in micron scales in the catalyst layer were in favor of improving the performance of both anode and cathode. Accounting for the effect of methanol permeation, the combination of the anode in CDM form prepared by brush painting method and the cathode in CCM form prepared by spraying method was finally selected as the optimized configuration for MEA, which had the highest DMFC performance under near-ambient conditions. (c) 2007 Elsevier Ltd. All rights reserved.
关键词[WOS]: GAS-DIFFUSION ELECTRODE ;  MEA PREPARATION ;  REACTION LAYER ;  PERFORMANCE ;  MEMBRANES ;  IMPEDANCE ;  CROSSOVER ;  ANODE ;  WATER ;  DMFC
语种: 英语
WOS记录号: WOS:000248783300023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140508
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

Files in This Item:

There are no files associated with this item.


作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Mao, Qing,Sun, Gongquan,Wang, Suli,et al. Comparative studies of configurations and preparation methods for direct methanol fuel cell electrodes[J]. ELECTROCHIMICA ACTA,2007,52(24):6763-6770.
Service
 Recommend this item
 Sava as my favorate item
 Show this item's statistics
 Export Endnote File
Google Scholar
 Similar articles in Google Scholar
 [Mao, Qing]'s Articles
 [Sun, Gongquan]'s Articles
 [Wang, Suli]'s Articles
CSDL cross search
 Similar articles in CSDL Cross Search
 [Mao, Qing]‘s Articles
 [Sun, Gongquan]‘s Articles
 [Wang, Suli]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
  Add to CiteULike  Add to Connotea  Add to Del.icio.us  Add to Digg  Add to Reddit 
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Powered by CSpace