中国科学院大连化学物理研究所机构知识库
Advanced  
DICP OpenIR  > 中国科学院大连化学物理研究所  > 期刊论文
学科主题: 物理化学
题名: Poly(vinylidene fluoride) porous membranes precipitated in water/ethanol dual-coagulation bath: The relationship between morphology and performance in vanadium flow battery
作者: Cao, Jingyu1, 2;  Zhang, Huamin1;  Xu, Wanxing1, 2;  Li, Xianfeng1
通讯作者: 张华民 ;  李先锋
关键词: Vanadium flow battery ;  Poly(vinylidene fluoride) membranes ;  Dual-coagulation bath ;  Morphology control
刊名: JOURNAL OF POWER SOURCES
发表日期: 2014-03-01
DOI: 10.1016/j.jpowsour.2013.10.069
卷: 249, 期:1, 页:84-91
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: Poly(vinylidene fluoride) (PVDF) porous membranes with tunable morphology are facilely prepared via dual-coagulation bath by phase inversion method and investigated in vanadium flow battery (VFB). Water/ethanol solutions with different compositions are selected as the coagulation baths and the effect of water/ethanol including content ratio and immersion time on membrane morphology is studied in detail. SEM results indicate the increased degree of crystallization and surface roughness of prepared membranes with higher ethanol content in coagulation bath and longer immersion time. In addition, beta phase is a dominated crystalline form in these membranes. The upper surface pore size variety and overall crystalline structure lead to a non-monotonous change of ions permeability and area resistance. As a result, the coulombic efficiency decreases on the whole with volume ratio of water/ethanol ranging from 10:0 to 3:7, whereas there is a raised peak at the ratio of 5:5. Meanwhile, the voltage efficiency of these membranes exhibits an opposite tendency. Therefore, the morphology and property of PVDF porous membranes can be adjusted via changing the composition of coagulation bath. This research presents an effective and feasible method to optimize the fabrication parameters of PVDF porous membranes for VFB application. (C) 2013 Elsevier B.V. All rights reserved.
关键词[WOS]: PHASE-INVERSION ;  PVDF MEMBRANES ;  CRYSTALLINE-STRUCTURE ;  FABRICATION ;  SEPARATION ;  STABILITY ;  PROGRESS
语种: 英语
WOS记录号: WOS:000330256300013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143930
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

Files in This Item: Download All
File Name/ File Size Content Type Version Access License
2014PrDr0pHRSV.PDF(2283KB)期刊论文作者接受稿开放获取View Download

作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Cao, Jingyu,Zhang, Huamin,Xu, Wanxing,et al. Poly(vinylidene fluoride) porous membranes precipitated in water/ethanol dual-coagulation bath: The relationship between morphology and performance in vanadium flow battery[J]. JOURNAL OF POWER SOURCES,2014,249(1):84-91.
Service
 Recommend this item
 Sava as my favorate item
 Show this item's statistics
 Export Endnote File
Google Scholar
 Similar articles in Google Scholar
 [Cao, Jingyu]'s Articles
 [Zhang, Huamin]'s Articles
 [Xu, Wanxing]'s Articles
CSDL cross search
 Similar articles in CSDL Cross Search
 [Cao, Jingyu]‘s Articles
 [Zhang, Huamin]‘s Articles
 [Xu, Wanxing]‘s Articles
Related Copyright Policies
Null
Social Bookmarking
  Add to CiteULike  Add to Connotea  Add to Del.icio.us  Add to Digg  Add to Reddit 
文件名: 2014PrDr0pHRSV.PDF
格式: Adobe PDF
此文件暂不支持浏览
所有评论 (0)
暂无评论
 
评注功能仅针对注册用户开放,请您登录
您对该条目有什么异议,请填写以下表单,管理员会尽快联系您。
内 容:
Email:  *
单位:
验证码:   刷新
您在IR的使用过程中有什么好的想法或者建议可以反馈给我们。
标 题:
 *
内 容:
Email:  *
验证码:   刷新

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.

 

 

Valid XHTML 1.0!
Powered by CSpace