Binder-Free LiCoO2/Carbon Nanotube Cathodes for High-Performance Lithium Ion Batteries

Binder‐free LiCoO2‐SACNT cathodes with excellent flexibility and conductivity are obtained by constructing a continuous three‐dimensional super‐aligned carbon nanotube (SACNT) framework with embedded LiCoO2 particles. These binder‐free cathodes display much better cycling stability, greater rate per...

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Bibliographic Details
Published inAdvanced materials (Weinheim) Vol. 24; no. 17; pp. 2294 - 2298
Main Authors Luo, Shu, Wang, Ke, Wang, Jiaping, Jiang, Kaili, Li, Qunqing, Fan, Shoushan
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 02.05.2012
WILEY‐VCH Verlag
Subjects
binder-free
Cobalt - chemistry
Electric Power Supplies
Electrodes
lithium ion battery
Nanotubes, Carbon - chemistry
Oxides - chemistry
super-aligned carbon nanotube
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Summary:Binder‐free LiCoO2‐SACNT cathodes with excellent flexibility and conductivity are obtained by constructing a continuous three‐dimensional super‐aligned carbon nanotube (SACNT) framework with embedded LiCoO2 particles. These binder‐free cathodes display much better cycling stability, greater rate performance, and higher energy density than classical cathodes with binder. Various functional binder‐free SACNT composites can be mass produced by the ultrasonication and co‐deposition method described in this paper.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201104720