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题名: Fabrication and investigation of SiO2 supported sulfated zirconia/Nafion (R) self-humidifying membrane for proton exchange membrane fuel cell applications
作者: Bi, Cheng1, 2;  Zhang, Huamin1;  Zhang, Yu1, 2;  Zhu, Xiaobing3, 4;  Ma, Yuanwei1, 2;  Dai, Hua1, 2;  xiao, Shaohua1, 2
关键词: proton exchange membrane fuel cell ;  self-humidifying membrane ;  Nafion (R) ;  silicon oxide supported sulfated zirconia ;  proton conductivity
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-09-15
DOI: 10.1016/j.jpowsour.2008.06.019
卷: 184, 期:1, 页:197-203
收录类别: SCI
文章类型: Article
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 self-humidifying composite membrane based on Nafion (R) hybrid with SiO2 supported sulfated zirconia particles (SiO2-SZ) was fabricated and investigated for fuel cell applications. The bi-functional SiO2-SZ particles, possessing hygroscopic property and high proton conductivity, were homemade and as the additive incorporated into our composite membrane. X-ray diffraction (XRD) and Fourier infrared spectrum (FT-IR) techniques were employed to characterize the structure of SiO2-SZ particles. Scanning electronic microscopy (SEM) and energy dispersive spectroscopy (EDS) measurements were conducted to study the morphology of composite membrane. To verify the advantages of Nafion (R)/SiO2-SZ composite membrane, the IEC value, water uptake, proton conductivity, single cell performance and areal resistance were compared with Nafion (R)/SiO2 membrane and recast Nafion (R) membrane. The single cell employing our Nafion (R)/SiO2-SZ membrane exhibited the highest peak power density of 0.98 Wcm(-2) under dry operation condition in comparison with 0.74 Wcm(-2) of Nafion (R)/SiO2 membrane and 0.64 Wcm(-2) of recast Nafion (R) membrane, respectively. The improved performance was attributed to the introduction of SiO2-SZ particles, whose high proton conductivity and good water adsorbing/retaining function under dry operation condition, could facilitate proton transfer and water balance in the membrane. Crown Copyright (C) 2008 Published by Elsevier B.V. All rights reserved.
关键词[WOS]: HIGH-TEMPERATURE OPERATION ;  SOLID-POLYMER-ELECTROLYTE ;  POLY(ETHER ETHER KETONE) ;  COMPOSITE MEMBRANES ;  PEMFC OPERATION ;  ZIRCONIA ;  ACID ;  HYBRID ;  NAFION ;  WATER
语种: 英语
WOS记录号: WOS:000259716800023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141131
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, Proton Exchange Membrane Fuel Cell Key Mat & Tech, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Georgia Inst Technol, Sch Mat Sci & Engn, Ctr Innovat Fuel Cell & Battery Technol, Atlanta, GA 30332 USA
4.Univ Houston, Dept Chem & Biomol Engn, Houston, TX 77204 USA

Recommended Citation:
Bi, Cheng,Zhang, Huamin,Zhang, Yu,et al. Fabrication and investigation of SiO2 supported sulfated zirconia/Nafion (R) self-humidifying membrane for proton exchange membrane fuel cell applications[J]. JOURNAL OF POWER SOURCES,2008,184(1):197-203.
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