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	Silicon nanowires coated with copper layer as anode materials for lithium-ion batteries
	Chen, Huixin ; Xiao, Ying ; Wang, Lin ; Yang, Yong ; Yang Y(杨勇)
	2011-01-07
关键词	Silicon nanowires Electrochemical performance Lithium-ion batteries Copper-coated
英文摘要	Silicon nanowires (Si NWs) with copper-coating as high capacity and improved cycle-life anode for lithium-ion batteries have been successfully prepared by chemical vapor deposition and magnetron sputtering methods. The morphology, structure, composition as well as the electrochemical performance of copper-coated Si NWs is characterized in detail. The results indicate that the copper-coated Si NWs electrodes show an initial coulombic efficiency of 90.3% when cycling between 0.02V and 2.0 V (versus Li/Li(+)) at a current density of 210 mA g(-1). The copper-coated Si NWs electrodes exhibit a capacity as high as 2700 mAh g(-1) at the first cycle. They also show a good capacity retention and excellent rate capability compared with pristine and carbon-coated Si NWs. (C) 2011 Elsevier B.V. All rights reserved.; National Natural Science Foundation of China[90606015]; National Basic Research Program of China (973 program)[2007CB209702]
语种	英语
出版者	ELSEVIER SCIENCE BV
内容类型	期刊论文
源URL	[http://dx.doi.org/doi:10.1016/j.jpowsour.2010.12.075]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Chen, Huixin,Xiao, Ying,Wang, Lin,et al. Silicon nanowires coated with copper layer as anode materials for lithium-ion batteries[J],2011.
APA	Chen, Huixin,Xiao, Ying,Wang, Lin,Yang, Yong,&杨勇.(2011).Silicon nanowires coated with copper layer as anode materials for lithium-ion batteries..
MLA	Chen, Huixin,et al."Silicon nanowires coated with copper layer as anode materials for lithium-ion batteries".(2011).

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