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题名: Synthesis and characterization of a new anion exchange membrane by a green and facile route
作者: Hou, Hongying1;  Wang, Suli1;  Liu, He1, 2;  Sun, Lili1, 2;  Jin, Wei1, 2;  Jing, Mingyi1, 2;  Jiang, Luhua1;  Sun, Gongquan1
关键词: Quaternized polybenzimidazole membrane ;  Air-breathing ;  Alkaline direct ethanol fuel cell
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2011-09-01
DOI: 10.1016/j.ijhydene.2011.06.054
卷: 36, 期:18, 页:11955-11960
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Chemistry ;  Electrochemistry ;  Energy & Fuels
英文摘要: A new anion exchange membrane was synthesized by a green and facile route-chemically grafting polybenzimidazole (PBI) membrane with BrCH(2)CH(3). The obtained membrane was characterized by means of ex-situ and in-situ tests (EDX, FTIR, AC impedance, single cell test and so on). The results suggested that the group of -CH(2)CH(3) was successfully grafted onto N atom within PBI backbone, while with Br(-) as counter ion. The corresponding ionic conductivity and ethanol permeability were about 0.022 Scm(-1) and 5.24 x 10(-8) cm(2)s(-1) respectively. Finally, single cell test suggested that air-breathing alkaline direct ethanol fuel cell with quaternized PBI membrane can deliver a peak power density of about 11 mWcm(-2) even at ambient temperature of 13 degrees C, which was better than those of air-breathing alkaline direct methanol fuel cell in literatures. In addition, a possible reaction mechanism was also proposed and discussed. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: ALKALINE FUEL-CELLS ;  ELECTROLYTE MEMBRANES ;  POLYMER MEMBRANE ;  WATER-UPTAKE ;  METHANOL ;  PERFORMANCE ;  ETHANOL ;  ACID
语种: 英语
WOS记录号: WOS:000294982800050
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142410
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.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Hou, Hongying,Wang, Suli,Liu, He,et al. Synthesis and characterization of a new anion exchange membrane by a green and facile route[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2011,36(18):11955-11960.
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