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题名: Cross linked poly(vinylbenzyl chloride) with a macromolecular crosslinker for anion exchange membrane fuel cells
作者: Lu, Wangting1, 2;  Shao, Zhi-Gang1;  Zhang, Geng1, 2;  Zhao, Yun1;  Yi, Baolian1
关键词: Poly(vinylbenzyl chloride) ;  Anion exchange membrane ;  Crosslinking ;  Macromolecular crosslinker ;  Fuel cell
刊名: JOURNAL OF POWER SOURCES
发表日期: 2014-02-15
DOI: 10.1016/j.jpowsour.2013.08.141
卷: 248, 页:905-914
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
英文摘要: A new material based on crosslinked poly(vinylbenzyl chloride) (PVBC) with a macromolecular crosslinker is synthesized and employed as the membrane for anion exchange membrane fuel cells (AEMFCs). PVBC is used as the hydroxide conducting polymers, while poly(vinyl acetal) (PVAc) containing dimethylamino groups plays the role as macromolecular crosslinker and the supporting matrix simultaneously. Fourier transform infrared (FT-IR) absorption spectra and X-ray photoelectron (XPS) spectra prove successful crosslinking between PVBC and PVAc. The crosslinked membrane shows hydroxide conductivity larger than 0.01 S cm(-1) at room temperature, and the swelling by water at elevated temperature is suppressed. The H-2/O-2 AEMFC using the crosslinked membrane shows a peak power density (P-max) of 124.7 mW cm(-2) at 40 degrees C, and the decrease of the open circuit voltage (OCV) of the fuel cell is negligible under continuous OCV conditions for 120 h. All the results indicate that the crosslinking with a macromolecular crosslinker may be a promising strategy to fabricate anion exchange membrane for the application in the AEMFCs. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: POLY(ARYLENE ETHER SULFONE) ;  POLYMER ;  ELECTROLYTE ;  DURABILITY ;  STABILITY
语种: 英语
WOS记录号: WOS:000330551000113
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145863
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. Cross linked poly(vinylbenzyl chloride) with a macromolecular crosslinker for anion exchange membrane fuel cells[J]. JOURNAL OF POWER SOURCES,2014,248:905-914.
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