| abstract |
The present invention is a silicon oxide particle doped with a metal of lithium, magnesium, calcium or aluminum; a linear conductive material positioned between the doped silicon oxide particles; and a composite particle comprising a carbon-based binder binding the doped silicon oxide particles and the conductive material to each other, wherein the carbon-based binder is a calcination product of a carbon-based precursor, a negative active material for a lithium secondary battery, a manufacturing method thereof, and an anode and a lithium secondary battery including the same. The negative electrode active material according to the present invention is excellent in terms of initial efficiency and lifespan characteristics. |