COMPOSITE ANODE ACTIVE MATERIAL, ANODE AND LITHIUM BATTERY COMPRISING THE MATERIAL, AND PREPARATION METHOD THEREOF

摘要

Disclosed are: a composite negative electrode active material including a composite core and a coating layer formed on the core, wherein the composite core includes a carbon base material and a metal/metalloid nanostructure located on the base material, the coating layer is formed more on the nanostructure than on the carbon base material, and the coating layer includes metal oxide; a negative electrode and a lithium battery comprising the material; and a production method thereof.