abstract |
Disclosed are a negative electrode active material, a manufacturing method thereof, and a lithium battery employing the same. Specifically, the present invention relates to a negative electrode active material having a high capacity and excellent capacity retention characteristics, a method for producing the same, and a lithium battery having improved cycle characteristics and the like by employing the negative electrode active material.n n n The negative electrode active material according to the present invention is a composite particle including silicon and graphite; A carbon layer covering a surface of the composite material particle; And a silicon-metal alloy formed between the composite material and the interface of the carbon layer. |