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Superior cycling stability and high rate capability of three-dimensional Zn/Cu foam electrodes for zinc-based alkaline batteries
Yan, Zhao1,2; Wang, Erdong1; Jiang, Luhua1; Sun, Gongquan1
刊名RSC ADVANCES
2015
DOI10.1039/c5ra16264e
5期:102页:83781-83787
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]LAYERED DOUBLE HYDROXIDE ; ZN SECONDARY BATTERIES ; ELECTROCHEMICAL PERFORMANCE ; NEGATIVE ELECTRODE ; NANOTUBE COMPOSITE ; ANODE MATERIAL
英文摘要Three-dimensional (3D) Zn/Cu foam electrodes are fabricated by pulse electro-deposition of zinc on copper foam and investigated as negative electrode materials for zinc-based alkaline batteries. Scanning electron microscopy (SEM) images show that epitaxially layered zinc crystals distribute uniformly on the 3D copper foam-like skeleton. A peak power density of 286 mW cm(-2) and utilization of 92% (754 mA h g(-1) at 200 mA cm(-2)) are obtained when the Zn/Cu foam electrodes are used in primary zinc/oxygen batteries and reveal high rate capability and material utilization of the 3D electrodes. To probe the rechargeability of the Zn/Cu foam electrodes, zinc/zinc quasi-symmetric cells are cycled under severe conditions, i.e., a discharge-charge current density of as high as 250 mA cm(-2), 100% depth of discharge and without dendrite-suppressing additives that would otherwise suppress dendrite growth, yet the 3D Zn/Cu foam electrodes remain dendrite-free experienced 10 000 discharge-charge cycles. The specific capacity of the 3D Zn/Cu foam electrodes reaches up to 620 mA h g(-1) after at least 9000 discharge-charge cycles in a prototype Zn/Ni battery, exhibiting the superior cycling stability of the 3D Zn/Cu foam electrodes.
语种英语
WOS记录号WOS:000362752400029
引用统计
被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146595
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Div Fuel Cell & Battery, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Yan, Zhao,Wang, Erdong,Jiang, Luhua,et al. Superior cycling stability and high rate capability of three-dimensional Zn/Cu foam electrodes for zinc-based alkaline batteries[J]. RSC ADVANCES,2015,5(102):83781-83787.
APA Yan, Zhao,Wang, Erdong,Jiang, Luhua,&Sun, Gongquan.(2015).Superior cycling stability and high rate capability of three-dimensional Zn/Cu foam electrodes for zinc-based alkaline batteries.RSC ADVANCES,5(102),83781-83787.
MLA Yan, Zhao,et al."Superior cycling stability and high rate capability of three-dimensional Zn/Cu foam electrodes for zinc-based alkaline batteries".RSC ADVANCES 5.102(2015):83781-83787.
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