NEGATIVE ELECTRODE ACTIVE MATERIAL NEGATIVE ELECTRODE COMPRISING THE NEGATIVE ELECTRODE ACTIVE MATERIAL LITHIUM SECONDARTY BATTERY COMPRISING THE NEGATIVE ELECTRODE AND METHOD FOR PREPAREING THE NEGATIVE ELECTRODE ACTIVE MATERIAL

摘要

The present invention SiC _x matrix; It relates to a negative active material including a carbon-based particles and the SiC comprises a boron-doped to the matrix _x, x silicon in the SiC matrix is less than 0.3 _x 0.6.