Electrochemical insertion of lithium into multi-walled carbon nanotubes prepared by catalytic decomposition

Various electrochemical techniques have been used to study the electrochemical insertion (extraction) of lithium into (from) multi-walled carbon nanotubes (MWNTs) prepared by catalytic decomposition of ferrocene and xylene. The galvanostatic charge/discharge profiles display a small hysteretic loss...

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Bibliographic Details
Published in:Journal of power sources 2002-10, Vol.112 (1), p.216-221
Main Authors: Shin, Heon-Cheol, Liu, Meilin, Sadanadan, B, Rao, Apparao M
Format: Article
Language:English
Subjects:
Applied sciences
Carbon nanotube
Catalytic decomposition
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium battery
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Summary:Various electrochemical techniques have been used to study the electrochemical insertion (extraction) of lithium into (from) multi-walled carbon nanotubes (MWNTs) prepared by catalytic decomposition of ferrocene and xylene. The galvanostatic charge/discharge profiles display a small hysteretic loss and the cyclic voltammograms are quite symmetric in the shape of cathodic and anodic branches, implying that lithium insertion/extraction process is highly reversible. In addition, rate capability and cycleability of charge into the MWNTs are satisfactory. The excellent reversibility and small hysteretic loss of the MWNT are attributed to the extremely pure structural character of the MWNTs with moderate chemical diffusion coefficient of lithium through the structure.
ISSN:0378-7753
1873-2755
DOI:10.1016/S0378-7753(02)00366-X