NDLI: The study of carbon nanotubes as conductive additives of cathode in lithium ion batteries

Content Provider	Springer Nature Link
Author	Wang, Guoping Li, Hong Zhang, Qingtang Yu, Zuolong Qu, Meizheng
Copyright Year	2010
Abstract	Carbon nanotubes (CNTs), including multi-walled CNTs (MWCNTs) and single-walled CNTs (SWCNTs), are employed as conductive additives in lithium ion batteries. The effects of MWCNTs’ carbon precursors, diameter, and weight fraction on the electrochemical behavior of MWCNTs/LiCoO2 composite cathode are investigated. Meanwhile, a comparison is made between SWCNTs /LiCoO2 and MWCNTs/LiCoO2. Among the three kinds of carbon precursors: CH4, natural gas, and C2H2, MWCNTs prepared from CH4 are very fit for acting as conductive additives due to their better crystallinity and lower electrical resistance. MWCNTs with smaller diameter favor improving the electrochemical behavior of MWCNTs/LiCoO2 composite cathode at higher charge/discharge rate owing to their advantage in primary particle number in unit mass. To make full use of LiCoO2 at higher rate, it is necessary to add at least 5 wt.% of MWCNTs with a diameter 10~30 nm. However, SWCNTs are not expected to be added into LiCoO2 composite cathode since they tend to form bundles.
Starting Page	759
Ending Page	764
Page Count	6
File Format	PDF
ISSN	14328488
Journal	Journal of Solid State Electrochemistry
Volume Number	15
Issue Number	4
e-ISSN	14330768
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-07-30
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Conductive additive Rate capacity Carbon nanotubes Lithium ion batteries Condensed Matter Physics Analytical Chemistry Electrochemistry Characterization and Evaluation of Materials Energy Storage Physical Chemistry
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science Electrical and Electronic Engineering Electrochemistry

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