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学科主题: 物理化学
题名: Poly(tetrafluoroethylene) reinforced sulfonated poly(ether ether ketone) membranes for vanadium redox flow battery application
作者: Wei, Wenping1, 2;  Zhang, Huamin1;  Li, Xianfeng1;  Mai, Zhensheng1, 2;  Zhang, Hongzhang1, 2
通讯作者: 张华民 ;  李先锋
关键词: Vanadium redox flow battery ;  Sulfonated poly(ether ether ketone) ;  Poly(tetrafluoroethylene) ;  Membrane
刊名: JOURNAL OF POWER SOURCES
发表日期: 2012-06-15
DOI: 10.1016/j.jpowsour.2012.02.047
卷: 208, 期:208, 页:421-425
收录类别: SCI
文章类型: Article
部门归属: DNL17
项目归属: DNL17
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: Poly(tetrafluoroethylene) reinforced sulfonated poly(ether ether ketone) (SPEEK/PTFE) composite membranes are prepared for vanadium redox flow battery (VRB) application. Results show that SPEEK/PTFE composite membranes have lower water uptake and swelling ratio than that of SPEEK membranes due to the PTFE reinforcement. As a result, the composite membranes show higher elongation ratio and better mechanical stability than SPEEK membranes. VRB single cell tests are also carried out to further evaluate their performance. The batteries assembled with SPEEK/PTFE membranes exhibit higher columbic efficiency (CE) and energy efficiency (EE) than that of SPEEK membranes. Furthermore, the composite membranes show much better stability than pristine SPEEK, confirming that PTFE can effectively reinforce membranes to improve their chemical and mechanical stability under VRB operating condition. (C) 2012 Elsevier B.V. All Fights reserved.
关键词[WOS]: PROTON-EXCHANGE MEMBRANES ;  FUEL-CELL APPLICATIONS ;  POLYMER ELECTROLYTE MEMBRANES ;  MODIFIED NAFION MEMBRANE ;  COMPOSITE MEMBRANE ;  POLYELECTROLYTE ;  PERFORMANCE ;  COPOLYMER ;  STORAGE
语种: 英语
WOS记录号: WOS:000303286500056
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/118194
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, Div Energy Storage, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Wei, Wenping,Zhang, Huamin,Li, Xianfeng,et al. Poly(tetrafluoroethylene) reinforced sulfonated poly(ether ether ketone) membranes for vanadium redox flow battery application[J]. JOURNAL OF POWER SOURCES,2012,208(208):421-425.
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