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题名: Dramatic performance gains of a novel circular vanadium flow battery
作者: Zheng, Qiong1, 2, 3;  Xing, Feng2;  Li, Xianfeng2;  Liu, Tao2;  Lai, Qinzhi2;  Ning, Guiling1;  Zhang, Huamin2
关键词: Circular vanadium flow battery ;  Utilization of electrolyte ;  Energy storage capacity ;  Mass transport ;  Concentration polarization
刊名: JOURNAL OF POWER SOURCES
发表日期: 2015-03-01
DOI: 10.1016/j.jpowsour.2014.11.142
卷: 277, 页:104-109
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: Vanadium flow battery (VFB) holds great promise for use in large scale energy storage applications. However, one major issue that limits the battery performance is the energy storage capacity loss due to insufficient use of electrolyte. The battery structure design is flexible and acceptable to solve the issue. Based on the mass transport limitation of the conventional rectangular vanadium flow battery (RFB), a novel circular vanadium flow battery (CFB) was firstly proposed in the research. Without increasing pump consumption, the new structure of CFB is effective to achieve mass transport enhancement and concentration polarization reduction. The charge discharge test confirmed the performance advantage of CFB, presenting a significant increment of 10.52% at 40 mA cm(-2) and 30.46% at 160 mA cm(-2) in the utilization of electrolyte and improved energy storage capacity by 12.56% at 40 mA cm(-2) and a 2.55 times of that for RFB at 160 mA cm(-2). The performance advantage of CFB becomes exceptionally evident at high current densities. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: REDOX BATTERY ;  HALF-CELL ;  ELECTRODE ;  MODEL
语种: 英语
WOS记录号: WOS:000348957000013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145928
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.Dalian Univ Technol, Sch Chem Engn, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, PR, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China

Recommended Citation:
Zheng, Qiong,Xing, Feng,Li, Xianfeng,et al. Dramatic performance gains of a novel circular vanadium flow battery[J]. JOURNAL OF POWER SOURCES,2015,277:104-109.
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