Patent ID: 11955634
Assignee: ADVANCED LITHIUM ELECTROCHEMISTRY CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H  Y | IPC H

Claim 12:
13. A particle structure of cathode material, comprising:
a core comprising potassium, aluminum and a Li-M-O based material, wherein M is one selected from the group consisting of nickel, cobalt, manganese, magnesium, titanium, aluminum, tin, chromium, vanadium, molybdenum and a combination thereof;
a first coating layer coated on the core, wherein the first coating layer comprises potassium and aluminum, and a potassium content of the first coating layer is higher than a potassium content of the core; and
a second coating layer coated on the first coating layer, wherein the second coating layer comprises sulfur.