CARBON-BASED ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, RECHARGEABLE LITHIUM BATTERY, AND METHOD OF PREPARING CARBON-BASED ACTIVE MATERIAL

摘要

Disclosed is a carbon-based active material for a rechargeable lithium battery that is capable of increasing charge and discharge efficiency of the battery. The carbon-based active material has no hydroxyl groups on a surface by heat-treating under a fluorine atmosphere.