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题名: Sulfated zirconia-Nafion composite membranes for higher temperature direct methanol fuel cells
作者: Ren, SZ;  Sun, GQ;  Li, CN;  Song, SQ;  Xin, Q;  Yang, XF
通讯作者: 任素贞
关键词: direct methanol fuel cell (DMFC) ;  sulfated zirconia ;  proton conductivity ;  water uptake retention ;  Nafion((R)) ;  composite membrane
刊名: JOURNAL OF POWER SOURCES
发表日期: 2006-07-03
DOI: 10.1016/j.jpowsour.2006.01.001
卷: 157, 期:2, 页:724-726
收录类别: ISTP ;  SCI
文章类型: Article
部门归属: 3
项目归属: 305
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 sulfated zirconia/Nafion (R) 115 nanocomposite membrane is prepared by ion-exchange of zirconium ions into the Nafion followed by precipitation of sulphated ZrO2 by treatment in 5 M H2SO4 at 80 degrees C. The incorporation of sulfated zirconia increases water uptake by the Nation membrane, and importantly, more water is absorbed than by an unmodified membrane at high temperatures. The proton conductivity of the composite membrane is evaluated and compared with that of an unmodified Nafion (R) 115 membrane. The nanocomposite membrane experiences a smaller decrease in proton conductivity than the Nafion (R) 115 membrane at high temperatures. (c) 2006 Elsevier B.V. All rights reserved.
关键词[WOS]: PROTON TRANSPORT ;  NANOCOMPOSITE MEMBRANES ;  THERMODYNAMICS ;  DIFFUSION ;  SORPTION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000238511500013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93817
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, Direct Alcohol Fuel Cell Lab, Dalian Inst Chem Phys, Beijing 100864, Peoples R China
2.Dalian Univ Technol, Lab Plasma Phys Chem, Dalian 116023, Peoples R China

Recommended Citation:
Ren, SZ,Sun, GQ,Li, CN,et al. Sulfated zirconia-Nafion composite membranes for higher temperature direct methanol fuel cells[J]. JOURNAL OF POWER SOURCES,2006,157(2):724-726.
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