CPC H01M 4/386 (2013.01) [H01M 4/366 (2013.01); H01M 4/48 (2013.01); H01M 4/583 (2013.01); H01M 10/0525 (2013.01); H01M 10/44 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01)] | 9 Claims |
1. A negative active material for a rechargeable lithium battery, comprising:
a silicon particle core comprising a silicon particle having a particle size in a micrometer range;
an oxide layer having a thickness in a range of about 65 nm to about 450 nm, on the silicon particle core; and
a conductive layer on the oxide layer,
wherein the oxide layer comprises SiOx, 0<x≤2.
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