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学科主题: 物理化学
题名: Carbon nanotubes grown in situ on carbon paper as a microporous layer for proton exchange membrane fuel cells
作者: Xie, Zhiyong1;  Chen, Guofen1;  Yu, Xiao2;  Hou, Ming2;  Shao, Zhigang2;  Hong, Shaojing2;  Mu, Cong2
通讯作者: 侯明
关键词: Proton exchange membrane fuel cell ;  Gas diffusion layer ;  In-situ carbon nanotubes ;  Mass transfer
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2015-08-03
DOI: 10.1016/j.ijhydene.2015.04.129
卷: 40, 期:29, 页:8958-8965
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: The performance of proton exchange membrane fuel cell (PEMFC) is greatly influenced by the characteristics of gas diffusion layer (GDL). Herein, in situ grown carbon nanotubes (CNTs) on carbon paper as a gas diffusion layer (GDL) were fabricated by a plasma-enhanced chemical vapor deposition (PECVD) process. Fuel cells using CNT-based GDLs with nickel (II) nitrate loading of 1.6 mg cm(-2) show better performance compared with the GDLs which employ Vulcan XC-72 as the MPL. The pore size distribution and the gas permeability results revealed that the increasing density of CNT layer had two main effects on the pore structure of GDL: firstly, the increasing density of CNT layer decreased the macro pore volume and the open through pore volume of CNT-based GDL; secondly, the increasing density of CNT layer decreased the micro pore diameter of CNT-based GDL. The data obtained from the vapor permeability and the fuel cell performance tests indicated that the water flooding can be reduced by applying CNT-based GDLs. The electrochemical impedance spectroscopy (EIS) confirmed that the CNT-based GDL can effectively promote the mass transfer in the FCs which was attributed to its suitable hydrophobicity and proper structure. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: CHEMICAL-VAPOR-DEPOSITION ;  GAS-DIFFUSION LAYERS ;  MICRO-POROUS LAYER ;  ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY ;  PERFORMANCE ;  ELECTRODES ;  PEMFC ;  NANOPARTICLES ;  BLACK ;  SIZE
语种: 英语
WOS记录号: WOS:000357228300022
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143772
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.Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Fuel Cell Syst & Engn Lab, Dalian 116023, Peoples R China

Recommended Citation:
Xie, Zhiyong,Chen, Guofen,Yu, Xiao,et al. Carbon nanotubes grown in situ on carbon paper as a microporous layer for proton exchange membrane fuel cells[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2015,40(29):8958-8965.
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