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US 9,178,214 B2Granted
Anode active material for lithium rechargeable battery, method of preparing the same, and lithium battery including the anode active material
AssigneeSamsung Electronics Co., Ltd.
InventorsSang-kook Mah, Ryoung-hee Kim
Life of this patent
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Abstract
An anode active material for a lithium rechargeable battery, the anode active material including: a base material which is alloyable with lithium and a metal nitride disposed on the base material.
Claims22
An anode active material for a lithium rechargeable battery, the anode active material comprising:
- a base material which is alloyable with lithium;
- and
- a layer comprising a metal nitride disposed on the base material,
- wherein the metal nitride comprises at least one metal selected from lithium, titanium, aluminum, zirconium, and silicon, and
- wherein the base material is at least one selected from Si, SiOx wherein 0<x<2, and a Si alloy.
2 more elements
Dependencies are inferred from the claim text.