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题名: Zinc-nickel single flow batteries with improved cycling stability by eliminating zinc accumulation on the negative electrode
作者: Cheng, Yuanhui1, 2;  Lai, Qinzhi1;  Li, Xianfeng1;  Xi, Xiaoli1, 2;  Zheng, Qiong1;  Ding, Cong1, 2;  Zhang, Huamin1
关键词: Batteries ;  Coulombic efficiency ;  Cycling stability ;  Parasitic reactions ;  Zinc accumulation
刊名: ELECTROCHIMICA ACTA
发表日期: 2014-11-01
DOI: 10.1016/j.electacta.2014.08.090
卷: 145, 页:109-115
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Electrochemistry
研究领域[WOS]: Electrochemistry
英文摘要: Zinc accumulation is recognized as one of the most critical issues that affect the cycle life of zinc-nickel single flow batteries (ZNBs). In this paper, a novel and very specific method has been proposed to solve the above problem. The side reactions, which are always regarded as negative factors, are promoted at negative side to balance the side reactions at positive side. A novel electrode with high reaction area and well mass transport structure has been designed to facilitate parasitic reactions at negative side. The result shows that zinc accumulation has been successfully solved by balancing positive reactions and negative reactions with this novel electrode, and no zinc accumulates on the negative electrode over 400 cycles. This paper provides an effective way to improve the cycling stability of ZNBs, which is the most troublesome for the commercialization of ZNBs. (C) 2014 Elsevier Ltd. All rights reserved.
关键词[WOS]: HYDROXIDE ELECTRODE ;  XPS CHARACTERIZATION ;  ALKALINE-SOLUTION ;  OXYGEN EVOLUTION ;  ENERGY-STORAGE ;  OXIDE ;  DEPOSITION ;  MORPHOLOGY ;  METAL ;  TRANSITION
语种: 英语
WOS记录号: WOS:000344203900013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143208
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.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Cheng, Yuanhui,Lai, Qinzhi,Li, Xianfeng,et al. Zinc-nickel single flow batteries with improved cycling stability by eliminating zinc accumulation on the negative electrode[J]. ELECTROCHIMICA ACTA,2014,145:109-115.
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