globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.03.007
论文题名:
Ionic liquid assisted electrochemical coating zinc nanoparticles on carbon cloth as lithium dendrite suppressing host
作者: Li Y.; Wang Y.; Shi Y.; Wu H.; Zeng J.; Bu H.; Zhu M.; Xiao C.; Zhang Y.; Gao G.; Ding S.
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:13
起始页码: 1094
结束页码: 1102
语种: 英语
中文关键词: 3D carbon cloth ; Ionic liquid ; Li infusion ; Lithium metal battery ; Steady host
英文关键词: Anodes ; Carbon ; Electrochemical deposition ; Ionic liquids ; Lithium ; Nanoparticles ; Reduction ; Scaffolds ; Synthesis (chemical) ; Zinc coatings ; Carbon cloths ; Electrochemical coatings ; High specific capacity ; Interfacial resistances ; Lithium metal anode ; Lithium metals ; Steady host ; Threedimensional (3-d) ; Lithium batteries
英文摘要: The application of lithium metal anode with high specific capacity and energy density is limited by the volume expansion and pulverization caused by dendrite growth during cycle process. We propose a composite lithium anode by immersing molten lithium on the flexible three-dimensional (3D) carbon cloth scaffold with the zinc nanoparticles. The lithiophilic zinc nanoparticles layer of framework is synthesized by fast and easy electrochemical deposition from ionic liquid avoiding high temperature, high pressure and toxic reagent. The lithium is infused into the 3D lithiophilic framework, the composite anode is obtained. The steady network structure can confine the lithium and lead to Li dendrite restraining and reducing volume change due to the low interfacial resistance and reduce the effective current density, which induced the homogeneous Li growth. Benefiting from this, the Li infused 3D carbon cloth-Zn symmetric battery exhibits a low stripping/plating overpotential (~30 mV) and can be stable over 900 h at 1 mA cm−2. The Li//LiFePO4 battery delivers higher reversible capacity (140 mAh g−1 at 2 C and 120 mAh g−1 at 5 C) and stable cycling for 1500 and 2000 cycles than bare Li. © 2020 Science China Press
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被引频次[WOS]:19   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/169969
Appears in Collections:气候变化与战略

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作者单位: Department of Applied Chemistry, School of Science, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University, Xi'an, 710049, China; Department of Materials and Nanotechnology, SINTEF Industry, Forskningsveien 1, Oslo, 0373, Norway

Recommended Citation:
Li Y.,Wang Y.,Shi Y.,et al. Ionic liquid assisted electrochemical coating zinc nanoparticles on carbon cloth as lithium dendrite suppressing host[J]. Science Bulletin,2020-01-01,65(13)
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