ARTIFICIAL GRAPHITE FOR NEGATIVE ELECTRODE OF LITHIUM ION SECONDARY BATTERY, AND METHOD FOR PRODUCTION THEREOF

摘要

Disclosed is an artificial graphite for a negative electrode of a lithium ion secondary battery, which is characterized by having a crystallite size (Lc) in the c-axis direction of 60 to 120 nm as measured by X-ray diffraction and also having a crystallite size (Lc) of 150 nm or greater after being graphitized at a temperature of 3000°C in an inert gas atmosphere.