Back to results
US 2010/0136432 A1Published application
Negative electrode active material, negative electrode having the same and lithium secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorBong-Chull KIM
Life of this patent
Estimating the term…
Abstract
A lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, a separator separating the positive electrode from the negative electrode and an electrolyte. The negative electrode active material includes a graphite core particle, a carbon layer coating the graphite core particle, and metal particles dispersed in the carbon layer.
Claims20
A negative electrode active material, comprising:
- a graphite core particle;
- a carbon layer coating the graphite core particle;
- and
- metal particles dispersed in the carbon layer.
1 more element
A negative electrode, comprising:
- a negative electrode collector;
- and
- a negative electrode active material coated on the negative electrode collector, the negative electrode active material comprising,
- a graphite core particle,
- a carbon layer coating the graphite core particle, and
- metal particles dispersed in the carbon layer.
3 more elements
A lithium secondary battery, comprising:
- a positive electrode comprising a positive electrode active material;
- a negative electrode comprising a negative electrode active material, the negative electrode active material comprising,
- a graphite core particle,
- a carbon layer coating the graphite core particle, and
- metal particles dispersed in the carbon layer;
- a separator to separate the positive electrode and the negative electrode;
- and
- an electrolyte to immerse the positive and negative electrode.
5 more elements
Dependencies are inferred from the claim text.