NDLI: Preparation and electrochemical performance of SiCN–CNTs composite anode material for lithium ion batteries

Content Provider	Springer Nature Link
Author	Feng, Yan Du, Gui Xiang Zhao, Xiao Jun Yang, En Cui
Copyright Year	2011
Abstract	The composite of silicon carbonitride (SiCN) and carbon nanotubes (CNTs) was synthesized by sintering the mixture of polysilylethylenediamine-derived amorphous SiCN and multi-walled CNTs at a temperature of 1,000 °C for 1 h in argon. The as-prepared SiCN–CNTs material, which was used as anode active substance in a lithium ion battery, showed excellent electrochemical performance. Charge–discharge tests showed the SiCN–CNTs anode provided a high initial specific discharge capacity of 1176.6 mA h g$^{−1}$ and a steady specific discharge capacity of 450–400 mA h g$^{−1}$ after 30 charge–discharge cycles at 0.2 mA cm$^{−2}$. Both of the abovementioned values are higher than that of pure polymer-derived SiCN, CNTs, and commercial graphite at the same charge–discharge condition. It was deduced that the CNTs in the composite not only improved the electronic conductivity and offered channels and sites for the immigrating and intercalating of Li$^{+}$ but also stabilized the structure of the composite.
Starting Page	999
Ending Page	1002
Page Count	4
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	41
Issue Number	8
e-ISSN	15728838
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-05-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Silicon carbonitride Polymer-derived Carbon nanotube Anode Li-ion battery Industrial Chemistry/Chemical Engineering Physical Chemistry Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

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