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学科主题: 物理化学
题名: Preparation and characterization of imidazolium-functionalized poly (ether sulfone) as anion exchange membrane and ionomer for fuel cell application
作者: Lu, Wangting1, 2;  Shao, Zhi-Gang1;  Zhang, Geng1, 2;  Zhao, Yun1, 2;  Li, Jin1, 2;  Yi, Baolian1
通讯作者: 邵志刚
关键词: Anion exchange membrane ;  Anion exchange ionomer ;  Fuel cell ;  Imidazolium ;  Poly (ether sulfone)
刊名: INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
发表日期: 2013-07-26
DOI: 10.1016/j.ijhydene.2013.05.070
卷: 38, 期:22, 页:9285-9296
收录类别: SCI
文章类型: Article
部门归属: DNL03
项目归属: DNL0301
产权排名: 1,1
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: Imidazolium-functionalized anion exchange membranes (AEMs) for anion exchange membrane fuel cells (AEMFCs) were synthesized by functionalization of chloromethylated poly (ether sulfone) (PES) with 1-alkylimidazole. The properties of AEMs can be controlled by the degree of chloromethylation of PES. Moreover, with the increment of the alkyl line length on the imidazolium group, the water uptake, swelling ratio and solubility of AEMs increased, whereas the hydroxide conductivity declined. By dissolving AEMs in the mixture of ethanol and water, IM-based anion exchange ionomers (AEIs) can be obtained. Electrochemical studies revealed that the catalytic activities of Pt/C towards oxygen reduction and hydrogen oxidation in the presence of imidazolium-functionalized AEIs were almost the same with that of commercial quaternary ammonium-based ionomers. The fabricated AEM and AEI were utilized to assemble H-2/O-2 AEMFC, yielding a peak power density of similar to 30 mW cm(-2) with open circuit potential larger than 1.0 V. The results obtained indicate that imidazolium-functionalized AEMs and AEIs may be candidates which are worth further investigation for the application in the AEMFCs. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
关键词[WOS]: OXYGEN REDUCTION REACTION ;  ALKALINE ;  POLYSULFONE ;  ELECTROLYTE ;  PLATINUM ;  PERFORMANCE ;  QUATERNARY ;  HYDROXIDE
语种: 英语
WOS记录号: WOS:000322562800026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117662
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, Fuel Cell Syst & Engn Grp, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Lu, Wangting,Shao, Zhi-Gang,Zhang, Geng,et al. Preparation and characterization of imidazolium-functionalized poly (ether sulfone) as anion exchange membrane and ionomer for fuel cell application[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2013,38(22):9285-9296.
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