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题名: Alkali doped polybenzimidazole membrane for high performance alkaline direct ethanol fuel cell
作者: Hou, Hongying1, 3;  Sun, Gongquan1;  He, Ronghuan2;  Wu, Zhimou1, 3;  Sun, Baoying2
通讯作者: 孙公权
关键词: polybenzimidazole (PBI) ;  anion exchange membrane ;  alkali direct ethanol fuel cell (ADEFC) ;  ethanol permeability
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-07-15
DOI: 10.1016/j.jpowsour.2008.04.010
卷: 182, 期:1, 页:95-99
收录类别: 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: An anion exchange membrane for alkaline direct ethanol fuel cell (ADEFC) was prepared by doping KOH in polybenzimidazole (PBI) membrane. The distributions of nitrogen, oxygen and potassium in the membrane were analyzed by means of XRD and SEM-EDX, respectively. It was found that free or combined KOH molecules may exist in the PBI matrix, which was helpful for the ionic conductivity of PBI/KOH. Ethanol permeability through this membrane was much lower than that of Nafion (R). For ADEFC based on this PBI/KOH membrane electrolyte, the power density was 3 to 6 times of the results in literatures. In addition, the micro-structure of alkali doped PBI and the interaction between KOH and PBI matrix were also speculated logically. (c) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: ANION-EXCHANGE MEMBRANE ;  COMPOSITE MEMBRANES ;  ELECTROLYTE MEMBRANES ;  SODIUM-BOROHYDRIDE ;  METHANOL ;  PEMFCS ;  ACID ;  ELECTROOXIDATION ;  100-DEGREES-C ;  OPERATION
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000257642500013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100891
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, Direct Alcohol Fuel Cells Lab, Dalian 116023, Peoples R China
2.Northeastern Univ, Shenyang 110004, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Hou, Hongying,Sun, Gongquan,He, Ronghuan,et al. Alkali doped polybenzimidazole membrane for high performance alkaline direct ethanol fuel cell[J]. JOURNAL OF POWER SOURCES,2008,182(1):95-99.
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