CPC H01M 4/366 (2013.01) [H01M 4/0428 (2013.01); H01M 4/133 (2013.01); H01M 4/134 (2013.01); H01M 4/1393 (2013.01); H01M 4/1395 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01)] | 12 Claims |
1. An anode active material for a lithium secondary battery, the anode active material comprising:
a carbon/silicon composite comprising:
a carbon based particle;
a first carbon coating layer positioned on and in contact with the carbon based particle the first carbon coating layer including pores;
a silicon coating layer positioned on and in contact with the first carbon coating layer; and
wherein the anode active material further comprises a second carbon coating layer positioned on the carbon/silicon composite, and
wherein the first carbon coating layer is formed from a carbon precursor which is different from the carbon based particle.
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