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US 10,096,825 B2Granted
Composite anode active material, preparing method thereof, anode including the composite anode active material, and lithium secondary battery including the anode
AssigneesSamsung Electronics Co., Ltd., Samsung SDI Co., Ltd.
InventorsSangkook Mah, Gyusung Kim
Life of this patent
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Abstract
A composite anode active material includes a first core member including a silicon-containing material; a second core member including at least one selected from metal nitride and metal carbide; and a coating layer on at least one of the first core member and the second core member. The coating layer contains metal silicide.
Claims19
A composite anode active material comprising:
- a first core member comprising a silicon-containing material;
- a second core member comprising at least one selected from metal nitride and metal carbide;
- and
- a coating layer containing metal silicide, on at least one of the first core member and the second core member,
- wherein the coating layer containing the metal silicide defines an outermost surface of the composite anode active material.
2 more elements
An anode comprising:
- an anode active material member defined by a shaped composite anode active material,
- the shaped composite anode active material comprising:
- a first core member comprising a silicon-containing material;
- a second core member comprising at least one selected from metal nitride and metal carbide;
- and
- a coating layer containing metal silicide, on at least one of the first core member and the second core member,
- wherein the coating layer containing the metal silicide defines an outermost surface of the composite anode active material.
4 more elements
Dependencies are inferred from the claim text.