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Fabrication and investigation of SiO2 supported sulfated zirconia/Nafion (R) self-humidifying membrane for proton exchange membrane fuel cell applications
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
2008-09-15
DOI10.1016/j.jpowsour.2008.06.019
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
关键词[WOS]HIGH-TEMPERATURE OPERATION ; SOLID-POLYMER-ELECTROLYTE ; POLY(ETHER ETHER KETONE) ; COMPOSITE MEMBRANES ; PEMFC OPERATION ; ZIRCONIA ; ACID ; HYBRID ; NAFION ; WATER
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.
语种英语
WOS记录号WOS:000259716800023
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141131
专题中国科学院大连化学物理研究所
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
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GB/T 7714
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.
APA Bi, Cheng.,Zhang, Huamin.,Zhang, Yu.,Zhu, Xiaobing.,Ma, Yuanwei.,...&xiao, Shaohua.(2008).Fabrication and investigation of SiO2 supported sulfated zirconia/Nafion (R) self-humidifying membrane for proton exchange membrane fuel cell applications.JOURNAL OF POWER SOURCES,184(1),197-203.
MLA Bi, Cheng,et al."Fabrication and investigation of SiO2 supported sulfated zirconia/Nafion (R) self-humidifying membrane for proton exchange membrane fuel cell applications".JOURNAL OF POWER SOURCES 184.1(2008):197-203.
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