Negative electrode active material, method of preparing the same, negative electrode and lithium secondary battery employing the electrode including the negative electrode active material

摘要

In an aspect, a negative electrode active material, a method of preparing the same, and a lithium secondary battery having the negative electrode including the negative electrode active material is provided. The negative electrode active material comprises amorphous silicon oxide, crystalline silicon, carbon, metal silicide, spherical particles and whiskers.