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题名: Carbon nanotubes based gas diffusion layers in direct methanol fuel cells
作者: Gao, Y.1, 2;  Sun, G. Q.1;  Wang, S. L.1;  Zhu, S.1, 2
关键词: Direct methanol fuel cells (DMFCs) ;  Gas diffusion layer (GDL) ;  Carbon nanotube (CNT) ;  Porosity ;  Mass transfer
刊名: ENERGY
发表日期: 2010-03-01
DOI: 10.1016/j.energy.2009.11.031
卷: 35, 期:3, 页:1455-1459
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Thermodynamics ;  Energy & Fuels
研究领域[WOS]: Thermodynamics ;  Energy & Fuels
英文摘要: A carbon nanotube based gas diffusion layer (CNT-GDL) for direct methanol fuel cells (DMFCS) was prepared by sintering the wet carbon paper made of CNT, polyacrylonitrile-based carbon fibre (PCF) and PTFE, completely replacing the commercial carbon paper based GDL (Toray-GDL). The results of X-ray diffraction (XRD), scanning electron microscope (SEM) and mercury intrusion porosimeter (MIP) showed that CNT-GDL is of higher graphitization degree, more abundant pores in the pore diameter range of 1000-3000 nm and better mass transfer ability, compared with those of Toray-GDL Electrochemical impedance spectroscopy (EIS) results display that the cell with CNT-GDL had better electrical conductivity and mass transfer ability than those of Toray-GDL As a result, the limiting current density and peak power density of DMFC single cell with CNT-GDL are improved by 40% and 27%, respectively. Crown Copyright (C) 2009 Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: PERFORMANCE ;  ELECTRODES ;  CATHODE ;  WATER
语种: 英语
WOS记录号: WOS:000275596200029
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142157
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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

Recommended Citation:
Gao, Y.,Sun, G. Q.,Wang, S. L.,et al. Carbon nanotubes based gas diffusion layers in direct methanol fuel cells[J]. ENERGY,2010,35(3):1455-1459.
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