ALUMINUM-DOPED COBALT CARBONATE AND PREPARATION METHOD THEREFOR

• Main Authors: HU, Haihan, RUAN, Dingshan, LI, Changdong, LU, Xinghua, ZHOU, Siyuan, LIU, Genghao
• Format: Patent
• Language: Chinese; English; French
• Published: 28.03.2024
• Subjects: CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; INORGANIC CHEMISTRY; METALLURGY

Disclosed is a preparation method for aluminum-doped cobalt carbonate. The preparation method comprises the following steps: (1) liquid preparation: dissolving a soluble cobalt salt, a soluble aluminum salt and a dispersing agent in water to obtain molten metal A, dissolving a soluble cobalt salt and a soluble aluminum salt in water to obtain molten metal B, preparing bicarbonate as a base solution, and preparing carbonate as a precipitant; (2) reaction I: adding the molten metal A and the precipitant into the base solution in parallel, and reacting to generate a mixed system containing an aluminum-doped cobalt carbonate crystal; and (3) reaction II: stopping adding the molten metal A into the mixed system when the D50 of the aluminum-doped cobalt carbonate crystal generated in step (2) reaches up to 14-15 μm, simultaneously adding the molten metal B and the precipitant into the mixed system in parallel, reacting, and carrying out solid-liquid separation when the D50 of the generated aluminum-doped cobalt car