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Preparation and Electrochemical Properties of Sandwich-like Si/RGO@PANI Nanocomposite as Anode for Lithium Ion Battery
Author NameAffiliationE-mail
ZHANG Xing-Shuai Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China  
XU Xiao-Mu Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China  
GUO Yu-Zhong Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China ynguocn62@sina.com 
HUANG Rui-An National Engineering Laboratory for Vacuum Metallurgy, Kunming 650093, China rahuang2002@163.com 
WANG Jian-Hua Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China  
YANG Bin National Engineering Laboratory for Vacuum Metallurgy, Kunming 650093, China  
DAI Yong-Nian National Engineering Laboratory for Vacuum Metallurgy, Kunming 650093, China  
Abstract: A sandwich-like Si/RGO@PANI nanocomposite as anode for lithium ion batteries was successfully in situ prepared under condition of ultrasonication by using graphene and silicon nano particles as precursors, aniline as monomers, phytic acid as a dopant and ammonium persulfate as an oxidizer (initiator). The sandwich structure composed of graphene sheets, conductive polyaniline, and nano silicon particles create an efficient conductive network which can endure the great volume change of silicon and retain structural stability during Li-ion insertion/extraction. The electrodes consisting of this sandwich-like Si/RGO@PANI nanocomposite reveal excellent cyclability and rate capability, and can be considered as an ideal anode material for lithium ion battery.
Keywords: sandwich-like Si/RGO@PANI nanocomposite  graphene  anode materials  lithium ion battery
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ZHANG Xing-Shuai,XU Xiao-Mu,GUO Yu-Zhong,HUANG Rui-An,WANG Jian-Hua,YANG Bin,DAI Yong-Nian.Preparation and Electrochemical Properties of Sandwich-like Si/RGO@PANI Nanocomposite as Anode for Lithium Ion Battery[J].Chinese Journal of Inorganic Chemistry,2017,33(3):377-382.
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Chinese Journal of Inorganic Chemistry