Anode active material, preparation method therefor, and lithium secondary battery comprising same
AssigneeTokai Carbon Korea Co., Ltd
InventorSeok Min KANG
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Abstract
The present invention relates to an anode active material, a preparation method therefor, and a lithium secondary battery comprising same. An anode active material according to one aspect of the present invention comprises a carbon material and silicon particles, wherein the carbon material encompasses, inside bulk particles, the silicon particles and a method for preparing the anode active material, according to another aspect, comprises the steps of: preparing a mixture powder by mixing a carbon material and silicon particles; and mechanically over-mixing the mixture powder.
Claims17
An anode active material comprising a carbon material and silicon particles,
- wherein the carbon material encompasses the silicon particles in a bulk particle.
A method for preparing an anode active material, the method comprising:
- preparing a mixture powder by mixing a carbon material and silicon particles;
- and
- mechanically over-mixing the mixture powder.
Dependencies are inferred from the claim text.