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	Si, Si/Cu core in carbon shell composite as anode material in lithium-ion batteries
	Wang, Ke ; He, Xiangming ; Wang, Li ; Ren, Jianguo ; Jiang, Changyin ; Wan, Chunrong
	2010-05-10 ; 2010-05-10
关键词	inverse emulsion polymerization carbon gel microspheres Si core in carbon shell Si/Cu alloy SILICON INSERTION GRAPHITE TEMPERATURE CAPACITY CU Chemistry, Physical Physics, Condensed Matter
中文摘要	Si core in carbon shell (C/Si) composites were synthesized through an inverse emulsion polymerization of resorcinol -formaldehyde (RF) performed in the presence of silicon powders, followed by carbonization in an inert atmosphere. SEM, EDS and XRD analyses of the obtained carbon gel microspheres showed that the Si powders were encapsulated within the carbon gel microspheres. The C/Si composite exhibited a reversible lithium storage capacity of 910 mA h g(-1) when used as anode in lithium-ion cells. Furthermore, the addition of Cu for Si core in carbon shell was also investigated to enhance the cycleability. It was shown that the addition of Cu further improved the cycling performance of the composite. The proposed process paves the way to prepare high performance anode materials for lithium-ion batteries. (c) 2006 Elsevier B.V All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/22853]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Ke,He, Xiangming,Wang, Li,et al. Si, Si/Cu core in carbon shell composite as anode material in lithium-ion batteries[J],2010, 2010.
APA	Wang, Ke,He, Xiangming,Wang, Li,Ren, Jianguo,Jiang, Changyin,&Wan, Chunrong.(2010).Si, Si/Cu core in carbon shell composite as anode material in lithium-ion batteries..
MLA	Wang, Ke,et al."Si, Si/Cu core in carbon shell composite as anode material in lithium-ion batteries".(2010).

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