Intercalated Si/C films as the anode for Li-ion batteries with near   theoretical stable capacity prepared by dual plasma deposition

doi:10.1016/j.jpowsour.2012.08.042

CORC > 北京大学 > 化学与分子工程学院

	Intercalated Si/C films as the anode for Li-ion batteries with near theoretical stable capacity prepared by dual plasma deposition
	Li, Wei ; Yang, Rong ; Wang, Xiaojuan ; Wang, Teng ; Zheng, Jie ; Li, Xingguo
刊名	电源杂志
	2013
关键词	Acetylene plasma Magnetron sputtering Carbon/silicon intercalated structure Lithium ion batteries High reversible capacity RECHARGEABLE BATTERIES NANO-SILICON CYCLE LIFE COMPOSITE ELECTRODES PERFORMANCE BINDER NANOWIRES ALLOY
DOI	10.1016/j.jpowsour.2012.08.042
英文摘要	Si has a very high theoretical capacity of 4200 inAh g(-1) as the anode materials for lithium ion batteries, which is near ten times higher than that of the current commercial graphite anode. However, it suffers from severe volume expansion/contraction during the charge/discharge processes, which is the main obstacle for its application. In this work, we prepare Si/C composite anodes with an intercalated Si/C multilayer structure by alternately depositing C and Si by plasma decomposition of C2H2 and magnetron sputtering of a Si target, respectively. Near theoretical capacity can be achieved (about 4000 mAh g(-1)) for more than 100 cycles for thin Si layers, which is attributed to the buffer effect of the carbon layers. This structure is also scalable up to multiple Si/C layers. A critical thickness of 20 nm is found for the silicon layer, below which the near theoretical capacity can be stably maintained. This critical thickness may shed light on future designs of nanostructured silicon anode with high capacity and stability for lithium ion batteries. (C) 2012 Elsevier B.V. All rights reserved.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000310394800033&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Electrochemistry; Energy & Fuels; SCI(E); 18; ARTICLE; 242-246; 221
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/150858]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Li, Wei,Yang, Rong,Wang, Xiaojuan,et al. Intercalated Si/C films as the anode for Li-ion batteries with near theoretical stable capacity prepared by dual plasma deposition[J]. 电源杂志,2013.
APA	Li, Wei,Yang, Rong,Wang, Xiaojuan,Wang, Teng,Zheng, Jie,&Li, Xingguo.(2013).Intercalated Si/C films as the anode for Li-ion batteries with near theoretical stable capacity prepared by dual plasma deposition.电源杂志.
MLA	Li, Wei,et al."Intercalated Si/C films as the anode for Li-ion batteries with near theoretical stable capacity prepared by dual plasma deposition".电源杂志 (2013).