Patent ID: 11873234
Assignee: SUMITOMO METAL MINING CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H  Y | IPC C  H

Claim 1:
2. A method of manufacturing the positive electrode active material precursor for a non-aqueous electrolyte secondary battery of claim 1, the method comprising:
crystallizing the positive electrode active material precursor including a nickel composite hydroxide particle under an atmosphere having an oxygen concentration of from 5.0 volume % to 15 volume %, in a reaction solution consisting of
metal salts including at least a nickel salt,
an ammonium ion supplier, and
an alkaline metal hydroxide, wherein
an ammonium ion concentration of the reaction solution is greater than or equal to 13.0 g/L and less than or equal to 18.0 g/L, and
a pH value of the reaction solution is greater than or equal to 11.0 and less than or equal to 13.0 based on a liquid temperature of 50° C.