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US 12,676,305 B2Granted
Negative active material for rechargeable lithium battery and rechargeable lithium battery including same
AssigneeSamsung SDI Co., Ltd.
InventorsEunji Kang, Young-Min Kim, Sunil Park, Jongmin Won, Doori Oh, Dae-Hyeok Lee, Changsu Shin
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Abstract
A negative active material for a rechargeable lithium battery, the negative active material including a core having silicon and a first carbon nanotube, an amorphous carbon coating layer surrounding the core, and a second carbon nanotube adhered to the amorphous carbon coating layer.
Claims16
A negative active material for a rechargeable lithium battery, the negative active material comprising:
- a core comprising silicon and a first carbon nanotube;
- an amorphous carbon coating layer surrounding the core;
- and
- a second carbon nanotube adhered to the amorphous carbon coating layer,
- wherein the second carbon nanotube is positioned on the surface of the negative active material, and
- wherein a total amount of the first and second carbon nanotubes is about 0.0001 wt % to 0.009 wt %, based on a total weight of the negative active material.
3 more elements
Dependencies are inferred from the claim text.