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US 2021/0242455 A1Published application
Negative active material for rechargeable lithium battery, and rechargeable lithium battery including same
AssigneeSamsung SDI Co., Ltd.
InventorChul YOUM
Life of this patent
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Abstract
Disclosed is a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes: a silicon primary particle core having a particle size of micrometers; a particle layer formed by agglomerating silicon oxide primary particles having a particle size of 10 nm or less on a surface of the core, the particle layer including pores; and a carbon-based material filled in the pores of the particle layer.
Claims9
A negative active material for a rechargeable lithium battery, comprising:
- a silicon primary particle core having a particle size of micrometers;
- a particle layer formed by agglomerating silicon oxide primary particles having a particle size of 10 nm or less on a surface of the core, the particle layer comprising pores;
- and
- a carbon-based material filled in the pores of the particle layer
1 more element
Dependencies are inferred from the claim text.