Negative active material composite for rechargeable lithium battery, method of preparing the same, and negative electrode and rechargeable lithium battery including the same
Grant
US12580186B2
Kind: B2
Mar 17, 2026
Assignee
Samsung SDI Co., Ltd.
Inventors
Changsu Shin, Young-Min Kim, Soonho Ahn, Jaehou Nah, Jaemyung Kim
Abstract
A negative active material composite includes a core and a coating layer around (surrounding) the core. The core includes amorphous carbon and silicon nanoparticles, the coating layer includes amorphous carbon, and an adjacent distance between the silicon nanoparticles is less than or equal to about 100 nm.
CPC Classifications
H01M 4/366
H01M 4/133
H01M 4/587
H01M 10/0525
H01M 2004/021
H01M 2004/027
H01M 4/131
H01M 4/134
H01M 4/386
H01M 4/485
H01M 4/1393
Y02E 60/10
Filing Date
2024-07-18
Application No.
18777265
Claims
12