气候变化领域集成服务门户(CCPortal): Low-temperature fusion fabrication of Li-Cu alloy anode with in situ formed 3D framework of inert LiCux nanowires for excellent Li storage performance

CCPortal

DOI	10.1016/j.scib.2020.07.012
	Low-temperature fusion fabrication of Li-Cu alloy anode with in situ formed 3D framework of inert LiCux nanowires for excellent Li storage performance
	Jia W.; Liu Y.; Wang Z.; Qing F.; Li J.; Wang Y.; Xiao R.; Zhou A.; Li G.; Yu X.; Hu Y.-S.; Li H.; Wang Z.; Huang X.; Chen L.
发表日期	2020
ISSN	20959273
起始页码	1907
结束页码	1915
卷号	65 期号:22
英文摘要	The commercialization of rechargeable Li metal batteries is hindered by dendrite growth and volumetric variation. Herein, we report a Li-rich dual-phase Li-Cu alloy with built-in 3D conductive skeleton to replace conventional planar Li anode. The Li-Cu alloy is simply prepared by fusion of Li and Cu metals at a relatively low-temperature of 500 °C, followed by a cooling process where phase-segregation leads to metallic Li phase distributed in the network of LiCux solid solution phase. Different from the common Li alloy, the electrochemical alloying reaction between Li and Cu metals is not observed. Therefore, the lithiophilic LiCux nanowires guides conformal plating of Li and the porous framework provides superior dimensional stability for the anode. This unique ferroconcrete-like structure of Li-Cu alloy enables dendrite-free Li plating for an expanded cycling lifetime. Constructing a new type of Li alloy with in situ formed electrochemically inactive framework is a promising and easily scaled-up strategy toward practical application of Li metal anodes. © 2020 Science China Press
关键词	3D nanostructure Lithium dendrite Lithium metal anode Lithium-copper alloy Nanowire
英文关键词	Anodes; Binary alloys; Lithium alloys; Metals; Nanowires; Temperature; Cooling process; Dendrite growth; Dual phase; Li-storage; Low temperatures; Phase segregations; Scaled-up; Solid solution phase; Copper alloys
语种	英语
来源期刊	Science Bulletin
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/207074
作者单位	School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu, 611731, China; Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China; College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, China
推荐引用方式 GB/T 7714	Jia W.,Liu Y.,Wang Z.,et al. Low-temperature fusion fabrication of Li-Cu alloy anode with in situ formed 3D framework of inert LiCux nanowires for excellent Li storage performance[J],2020,65(22).
APA	Jia W..,Liu Y..,Wang Z..,Qing F..,Li J..,...&Chen L..(2020).Low-temperature fusion fabrication of Li-Cu alloy anode with in situ formed 3D framework of inert LiCux nanowires for excellent Li storage performance.Science Bulletin,65(22).
MLA	Jia W.,et al."Low-temperature fusion fabrication of Li-Cu alloy anode with in situ formed 3D framework of inert LiCux nanowires for excellent Li storage performance".Science Bulletin 65.22(2020).