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US 11,888,153 B2Granted
Method for preparing positive electrode active material for secondary battery, positive electrode active material thus prepared and lithium secondary battery including the same
AssigneeLG Chem, Ltd.
InventorsDong Joon Ahn, Moon Kyu Cho, Sung Soon Park
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Abstract
A positive electrode active material, a positive electrode including the same, and a lithium secondary batter including the same are disclosed herein. In some embodiments, the positive electrode active material includes a lithium transition metal oxide, and a coating layer formed on a surface of the lithium transition metal oxide particle, wherein the coating layer is formed in a film form, and the coating layer includes a carbonized coating polymer and carbide.
Claims11
A positive electrode active material for a secondary battery, the positive electrode active material comprising:
- a lithium transition metal oxide particle;
- and
- a coating layer formed on a surface of the lithium transition metal oxide particle,
- wherein the coating layer is formed in a film form,
- wherein the coating layer has a thickness from 15-2,000 nm, and
- the coating layer includes a carbonized coating polymer and carbide, wherein the lithium transition metal oxide particle has a layered structure or a spinel structure.
3 more elements
Dependencies are inferred from the claim text.