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题名: A simple model for the vanadium redox battery
作者: You, Dongjiang1, 2;  Zhang, Huamin1;  Chen, Jian1
通讯作者: 张华民
关键词: Vanadium redox battery ;  Stationary model ;  Applied current density ;  Electrode porosity ;  Local mass transfer coefficient
刊名: ELECTROCHIMICA ACTA
发表日期: 2009-11-30
DOI: 10.1016/j.electacta.2009.06.086
卷: 54, 期:27, 页:6827-6836
收录类别: SCI
文章类型: Article
部门归属: 3
项目归属: 303
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: A two-dimensional stationary model, based on the universal conservation laws and coupled with electrochemical reactions, is applied to describe a single all-vanadium redox flow cell. Emphasis is placed on studying the effects of applied current density, electrode porosity and local mass transfer coefficient on the cell performance. The model results indicate that bulk reaction rate depends on the applied current density. The transfer current density and over-potential increase almost twice as the applied current density doubled. A decrease in electrode porosity leads to a more rapid depletion of the reactant concentration, a higher integral average value of the transfer current density and a more uniform distribution of the over-potential. The local mass transfer coefficient only affects the value of the over-potential. (C) 2009 Elsevier Ltd. All rights reserved.
关键词[WOS]: ION-EXCHANGE MEMBRANES ;  BROMINE FLOW CELL ;  MATHEMATICAL-MODEL ;  CARBON FELT ;  SOLVENT TRANSPORT ;  MASS-TRANSFER ;  ELECTRODES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000272547200010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/102653
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, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
You, Dongjiang,Zhang, Huamin,Chen, Jian. A simple model for the vanadium redox battery[J]. ELECTROCHIMICA ACTA,2009,54(27):6827-6836.
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