Patent ID: 11949099
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 0:
1. An electrode active material with a coating layer, comprising:
a core, comprising a ternary material selected from the group consisting of lithium nickel cobalt manganese oxides, lithium nickel cobalt aluminum oxides, and a combination thereof; and
a coating layer disposed on at least part of a surface of the core, wherein the coating layer comprises a reaction product formed by curing a solution disposed on the surface of the core, the solution comprises a solvent, a sulfur-containing compound, and a lithium-containing compound, the sulfur-containing compound is selected from the group consisting of sulfamide, aminomethanesulfonic acid, lithium bisfluorosulfonimide, thio-propionamide, thio-isobutyramide, propylene sulfide, methyl ethyl sulfide, and any combination thereof, and the reaction product comprises Li, S, and O,
wherein a weight content of S in the electrode active material is 500-5000 ppm.