Patent ID: 11909044
Assignee: UMICORE KOREA LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H  Y | IPC C  H

Claim 6:
7. The method according to claim 6, wherein the step of providing the precursor compound comprises:
providing a first aqueous solution comprising M′cSO4, NaOH and NH3, wherein the content of OH−ions is at least twice the content of M′c ions,
precipitating M′c(OH)2 as a core material,
providing a second aqueous solution comprising the precipitated M′c(OH)2, M′sSO4, NaOH and NH3, thereby precipitating the precursor compound comprising the M′c(OH)2 core material and a shell material comprising M′s.