| 摘要 |
The present invention relates to a production method of NMC (Ni-Co-Mn) hydroxide from nickel ore and, more specifically, to a production method of NMC (Ni-Co-Mn) hydroxide from nickel ore which comprises the following steps: a step for producing a nickel-iron compound from ore containing nickel; a purification step for removing impurities; a collecting step for collecting organic metal; and a step of producing NMC (Ni-Co-Mn) hydroxide. According to the present invention, a user can easily obtain the NMC (Ni-Co-Mn) hydroxide which is a material for a core material for a secondary battery, a positive electrode material precursor. |
