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    PROCESS FOR MAKING A PARTICULATE (OXY)HYDROXIDE
    1.
    发明申请
    PROCESS FOR MAKING A PARTICULATE (OXY)HYDROXIDE 审中-公开

    公开(公告)号：WO2022157014A1

    公开(公告)日：2022-07-28

    申请号：PCT/EP2022/050224

    申请日：2022-01-07

    Applicant: BASF SE

    Inventor： BERGNER, Benjamin Johannes Herbert ,  BERK, Rafael Benjamin ,  GARVE, Lennart Karl Bernhard

    IPC: C01G53/00

    Abstract: Process for making a particulate (oxy)hydroxide of TM wherein TM represents metals and TM comprises at least 75 mol-% nickel and wherein said process comprises the steps of: (a) providing an aqueous solution (α) containing a water-soluble salt of nickel and of one metal selected from cobalt and manganese, and further in the range of from 0.05 to 3.0 mol-% of a compound of at least one metal selected from Ti, Zr, Mg and Nb, and in the range of from 0.05 to 2.0 mol-%, referring to TM, of an α- or β-hydroxy carboxylic acid or ascorbic acid or of an amino acid selected from glycine, alanine and serine, or their alkali metal salts, and an aqueous solution (β) containing an alkali metal hydroxide and, optionally, an aqueous solution (γ) containing ammonia, (b) combining a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH value in the range of from 11.0 to 13.0 in a stirred tank reactor, thereby creating solid particles of a hydroxide containing nickel, said solid particles being slurried.

    PROCESS FOR MAKING A PARTICULATE (OXY)HYDROXIDE
    3.
    发明申请
    PROCESS FOR MAKING A PARTICULATE (OXY)HYDROXIDE 审中-公开

    公开(公告)号：WO2021244963A1

    公开(公告)日：2021-12-09

    申请号：PCT/EP2021/064322

    申请日：2021-05-28

    Applicant: BASF SE

    Inventor： BERGNER, Benjamin Johannes Herbert ,  BEIERLING, Thorsten

    IPC: C01G53/04 ,  C01G53/00

    Abstract: Process for making a particulate (oxy)hydroxide of TM wherein TM comprises nickel and where-in said process comprises the steps of:(a) Providing an aqueous solution (α) containing water-soluble salts of Ni and of at least one transition metal selected from Co and Mn, and, optionally, at least one further metal se-lected from Ti, Zr, Mo, W, Al, Mg, Nb, and Ta, and an aqueous solution (β) containing an alkali metal hydroxide and, optionally, an aqueous solution (γ) containing ammonia,(b) combining a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH valuein the range of from 12.0 to 13.0 in a stirred tank reactor, thereby creating solid particles ofa hydroxide containing nickel, said solid particles being slurried, (c) transferring said slurry into another stirred tank reactor and combining it with a solution (α)and a solution (β) and, if applicable, a solution (γ) at a pH value in the range of from 11.0to 12.7 and at conditions wherein the solubility of nickel is higher than in step (b),wherein the stirring speed is reduced in the course of step (c).

    PROCESS FOR MAKING A PARTICULATE (OXY)HYDROXIDE, AND ELECTRODE ACTIVE MATERIAL MADE THEREFROM
    4.
    发明申请
    PROCESS FOR MAKING A PARTICULATE (OXY)HYDROXIDE, AND ELECTRODE ACTIVE MATERIAL MADE THEREFROM 审中-公开

    公开(公告)号：WO2021228614A1

    公开(公告)日：2021-11-18

    申请号：PCT/EP2021/061636

    申请日：2021-05-04

    Applicant: BASF SE

    Inventor： BERGNER, Benjamin Johannes Herbert ,  BERK, Rafael Benjamin

    IPC: C01G53/00 ,  H01M4/525

    Abstract: Process for making a particulate (oxy)hydroxide of TM wherein TM comprises nickel wherein said process comprises the steps of: (a) Providing an aqueous solution (α) containing water-soluble salts of Ni and of at least one transition metal selected from Co and Mn, and, optionally, at least one further metal selected from Ti, Zr, Mo, W, Al, Mg, Nb, and Ta, and an aqueous solution (β) containing an alkali metal hydroxide and, optionally, an aqueous solution (γ) containing ammonia, (b) combining a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH value in the range of from 12.0 to 13.0, thereby creating solid particles of hydroxide containing nickel, (c) continuing combining solutions (α) and (β) and, if applicable, (γ) at a pH value in the range of from 9.0 to 12.0 and in any way below the pH value in step (b), (d) adding a solution (α) and a solution (β) and, if applicable, a solution (γ) at a pH value in the range of from 12.0 to 12.7 and in any way above the pH value in step (c), (e) continuing combining such solutions (α) and (β) and, if applicable, (γ) at a pH value in the range of from 9.0 to 12.0 and in any way below the pH value in step (d), wherein step (d) has a duration in the range of from rt-0.01 to rt-0.15 and wherein rt is the average residence time of the reactor in which steps (b) to (e) are carried out.

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL
    8.
    发明申请
    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL 审中-公开

    公开(公告)号：WO2022122448A1

    公开(公告)日：2022-06-16

    申请号：PCT/EP2021/083359

    申请日：2021-11-29

    Applicant: BASF SE [DE]/[DE]

    Inventor： BERGNER, Benjamin Johannes Herbert ,  HARTMANN, Pascal

    Abstract: Process for making an electrode active material wherein said process comprises the following steps: (a) Providing an (oxy)hydroxide or oxide of TM wherein TM is a combination of metals and wherein TM contains Ni and at least one of Mn and Co; (b) treating said oxide or (oxy)hydroxide from step (a) with a non-aqueous or aqueous solution of a compound of M2 wherein M2 is selected from Ti, Zr, Nb or Ta; (c) removing the solvent(s), thereby obtaining a solid residue; (d) mixing the solid residue from step (c) with a source of lithium and, optionally, at least one compound of Ti or Al or Zr; (e) treating the mixture obtained from step (d) thermally at a temperature in the range of from 550 to 900°C.

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