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US 12,113,209 B2Granted
Negative electrode active material with metal dopant, and negative electrode, and lithium secondary battery including the same
AssigneeLG Energy Solution, Ltd.
InventorsSe Mi Park, Yong Ju Lee, Dong Hyuk Kim
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Abstract
The present invention relates to a negative electrode active material including a silicon-based core, a first coating layer positioned on the silicon-based core, and a second coating layer positioned on the first coating layer, wherein the second coating layer includes a metal material doped onto a surface thereof.
Claims12
A negative electrode active material comprising:
- a silicon-based core;
- a first coating layer positioned on the silicon-based core;
- and
- a second coating layer positioned on the first coating layer,
- wherein the second coating layer includes a metal material doped onto a surface of the second coating layer, and
- wherein the metal material is positioned on the surface of the second coating layer, which is opposite to a surface of the second coating layer which contacts with the first coating layer.
3 more elements
Dependencies are inferred from the claim text.