Abstract:
In this study, carbon nanospheres (CNSs) were synthesized by the
nebulyzed assisted pyrolysis process using kerosene as carbon
precursors, ferrocene catalyst and activated carbon support at
elevated temperature under an nitrogen atmosphere. Morphology
and structure of as grown CNSs were characterized by Scanning
Electron Microscope (SEM), High-Resolution Transmission
Electron Microscope (HRTEM) and Raman spectroscopy. It was
found that the carbon products had a turbostratic structures and
high degree of disorder carbon structures. Preliminary
electrochemical measurements of kerosene derived CNSs as
anode materials of lithium secondary batteries were carried out
using charge –discharge tests. Experimental results showed that a
stable cycle performances until the 100th cycles was obtained with
specific capacity of 200 mAh/g. However, the main problem is
the high irreversible capacity at the first cycle due to the low
purity and non uniform carbon nano-spheres.
