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题名: Sulfonated poly(ether ether ketone) membranes containing pendent carboxylic acid groups and their application in vanadium flow battery
作者: Chen, Dongju1;  Li, Xianfeng2
关键词: Vanadium flow battery ;  Sulfonated poly(ether ether ketone) ;  Carboxylic acid groups ;  Membranes
刊名: JOURNAL OF POWER SOURCES
发表日期: 2014-02-01
DOI: 10.1016/j.jpowsour.2013.09.006
卷: 247, 页:629-635
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: Sulfonated poly(ether ether ketone) (C-SPEEK) membranes with pendent carboxylic acid groups are prepared and first investigated for vanadium flow battery (VFB) application. The introduction of carboxylic acid groups can effectively improve the ion conductivities of C-SPEEK membranes, while, keep their ion selectivities. The prepared C-SPEEK membranes exhibit excellent performance under VFB operating condition. VFB single cell assembled with C-SPEEK-50 membranes shows much higher energy efficiency (85% Vs 82%) and columbic efficiency (97.3% Vs 94.6%) than that assembled with Nation 115. The membrane keeps a stable performance after more than 180 cycles charge discharge test, showing good stability. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: PROTON-EXCHANGE MEMBRANES ;  COMPOSITE MEMBRANES ;  NAFION MEMBRANE ;  CELL
语种: 英语
WOS记录号: WOS:000328177000085
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145577
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.Liaoning Normal Univ, Sch Chem & Chem Engn, Dalian 116029, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Beijing 100864, Peoples R China

Recommended Citation:
Chen, Dongju,Li, Xianfeng. Sulfonated poly(ether ether ketone) membranes containing pendent carboxylic acid groups and their application in vanadium flow battery[J]. JOURNAL OF POWER SOURCES,2014,247:629-635.
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