Patent ID: 11955632
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 15:
16. The method of claim 15, wherein:
the primary heat treatment comprises a step firing process comprising a temperature increase process, a maintenance process, a reaction process and a temperature decrease process,
the temperature increase process is performed by heating the transition metal hydroxide precursor at a rate of about 1° C./min to about 5° C./min,
the maintenance process is performed at about 150° C. to about 250° C. for about 0.5 hours to about 10 hours,
the reaction process is performed at about 400° C. to about 600° C. for about 0.5 hours to about 10 hours, and
the temperature decrease process is performed by decreasing a temperature at a rate of about 1° C./min to about 5° C./min.