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题名: Pt/CNTs-Nafion reinforced and self-humidifying composite membrane for PEMFC applications
作者: Liu, Yong-Hao;  Yi, Baolian;  Shao, Zhi-Gang;  Wang, Liang;  Xing, Danmin;  Zhang, Huamin
通讯作者: 衣宝廉
关键词: fuel cell ;  self-humidifying membrane ;  composite membrane ;  Pt/CNTs
刊名: JOURNAL OF POWER SOURCES
发表日期: 2007
DOI: 10.1016/j.jpowsour.2006.09.065
卷: 163, 期:2, 页:807-813
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 303
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: A novel thin three-layer reinforced and self-humidifying composite membrane has been developed for PEMFCs. The membrane has two outer layers of plain Nation and a middle layer of Pt/carbon nanotubes (Pt/CNTs) dispersed Nation. The Pt/CNTs present in the membrane provides the sites for the catalytic recombination of H-2 and O-2 permeating through the membrane from the anode and cathode to produce water and improve the mechanical properties of the composite membrane at the same time. The water produced directly humidifies the membrane and allows the operation of PEMFCs with dry reactants. The electrochemical performance and mechanical properties of the composite membranes are compared with those of a commercial Nafion((R)) membrane. The self-humidifying composite membrane could minimize membrane conductivity loss under dry conditions and improve mechanical strength due to the presence of the Pt/CNTs. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: POLYMER ELECTROLYTE MEMBRANES ;  FUEL-CELL APPLICATIONS ;  DIFFUSION ;  TRANSPORT
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000243650800024
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98989
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, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Liu, Yong-Hao,Yi, Baolian,Shao, Zhi-Gang,et al. Pt/CNTs-Nafion reinforced and self-humidifying composite membrane for PEMFC applications[J]. JOURNAL OF POWER SOURCES,2007,163(2):807-813.
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