CPC H01M 4/366 (2013.01) [H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01)] | 11 Claims |
1. An anode active material for a lithium secondary battery comprising:
a silicon oxide which comprises a carbon coating layer formed on a surface thereof, and is doped with magnesium,
wherein a ratio of peak area at 1303 eV to a sum of a peak area at 1304.5 eV and a peak area at 1303 eV, which appear in a Mg1s spectrum when measuring by X-ray photoelectron spectroscopy (XPS), is 60% or less.
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