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US 2010/0143804 A1Published application
Anode active material for lithium secondary battery, method of manufacturing the same, and lithium secondary battery including the anode active material
AssigneeSamsung SDI Co., Ltd.
InventorsSang-kook MAH, Han-su Kim, Yoon-sok Kang
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Abstract
An anode active material includes a material alloyable with lithium coated with an oxide including lithium or coated with a complex of an oxide including lithium and an electrically conductive material. An anode of a lithium secondary battery includes the anode active material.
Claims18
An anode active material of a lithium secondary battery, comprising:
- a member consisting of a material alloyable with lithium;
- and
- a coating layer formed on the member, wherein the coating layer comprises an oxide comprising lithium.
An anode active material for a lithium secondary battery, comprising:
- a member consisting of a material alloyable with lithium;
- and
- a coating layer formed on the member, wherein the coating layer comprises a complex of an oxide comprising lithium and an electrically conductive material.
A method of manufacturing an anode active material for a lithium secondary battery, the method comprising:
- mixing and stirring MXn and LiOH to manufacture an oxide precursor comprising lithium;
- adding the oxide precursor comprising lithium to a member comprising a material alloyable with lithium and stirring and drying the resultant;
- and
- heat treating the dried resultant,
- wherein M is a metal, X is a halogen atom or a C1 to C7 alkoxy, and n is an integer in a range of 3 to 6.
2 more elements
Dependencies are inferred from the claim text.