Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 13, Issue 12, Pages 1332-1335Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2011.08.001
Keywords
Silicon; Reduced Graphene Oxide; Lithium ion batteries; Anode
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Funding
- NSF of China
- NCET
- Fundamental Research Funds for the Central Universities of China
- Beijing Municipal Science & Technology New Star Plan
- Fok Ying-Tong Education Foundation
- IRTG
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Self-supporting Si/Reduced Graphene Oxide (RGO) nanocomposite films have been prepared by thermal reduction of Si/graphene oxide nanocomposite, which is fabricated by dispersing silicon nanoparticles into an aqueous suspension of graphene oxide nanosheets. The Si nanoparticles are well encapsulated in a RGO matrix and the Si/RGO composite has much higher reversible discharge capacity and a better cycle stability than pure nanosized Si particles as well as the RGO. Such enhancement can be attributed to the RGO matrix, which offers an efficient electrically conductive channel and a flexible mechanical support for strain release. (C) 2011 Elsevier B.V. All rights reserved.
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