PROCESS FOR MAKING AN ELECTRODE, AND ELECTRODE ACTIVE MATERIALS

    公开(公告)号:WO2021254808A1

    公开(公告)日:2021-12-23

    申请号:PCT/EP2021/065172

    申请日:2021-06-07

    Applicant: BASF SE

    Abstract: The present invention is directed towards a process for making an electrode wherein the process comprises the following steps (a) providing a particulate lithiated transition metal oxide according to the formula Li1+xTM1-xO2 wherein x is in the range of from zero to 0.1 and TM contains nickel and at least one of Co, Mn and Al, (b) mixing the lithiated transition metal oxide from step (a) with carbon in electrically conductive form, (c) exposing the mixture obtained in step (b) to a pressure in the range of from 100 to 500 MPa over a period of time of from one second to one minute, thereby causing cracks in at least some of the particles of the electrode active material, (d) mixing the mixture from step (c) with a binder polymer and, optionally, with further carbon in electrically conductive form and with a solvent, (e) applying the mixture from step (d) to a metal foil.

    PROCESS FOR MAKING A PRECURSOR OF AN ELECTRODE ACTIVE MATERIAL

    公开(公告)号:WO2022043314A1

    公开(公告)日:2022-03-03

    申请号:PCT/EP2021/073368

    申请日:2021-08-24

    Applicant: BASF SE

    Abstract: Process for making a precursor of an electrode active material comprising the steps of: (a) making an oxide, (oxy) hydroxide, hydroxide or carbonate comprising nickel by (co-)precipitation in an aqueous medium, (b) separating said oxide, (oxy) hydroxide, hydroxide or carbonate from said aqueous medium by a solid-liquid separation method, (c) optionally, drying the solid residue from step (b) in air, (d) applying a robot to take at least two samples of 10 mg to 10 g from the solid material from step (b) or (c), if applicable, (e) transferring said samples to another robot or to another part of the same robot, where the respective robot transfers the samples to at least one test unit to perform measurements with respect to at least one parameter selected from (e1) particle diameter, (e2) element distribution, and (e3) moisture content (e4) crystallographic properties in XRD, or (e5) specific surface (BET), (e6) sulfate content.

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL, AND ELECTRODE ACTIVE MATERIAL

    公开(公告)号:WO2021170483A1

    公开(公告)日:2021-09-02

    申请号:PCT/EP2021/054030

    申请日:2021-02-18

    Abstract: Process for making an electrode active material wherein said process comprises the following steps: (a) Providing a hydroxide TM(OH)2 or at least one oxide TMO or oxyhydroxide of TM or combination of at least two of the foregoing wherein TM contains at least 99 mol-% Ni and, optionally, in total up to 1 mol-% of at least one metal selected from Ti, Zr, V, Co, Zn, Ba, or Mg, (b) mixing said hydroxide TM(OH)2 or oxide TMO or oxyhydroxide of TM or combination with a source of lithium and an aqueous solution of a compound of Me wherein Me is selected from Al or Ga or a combination of the foregoing and wherein the molar amount of TM corresponds to the sum of Li and Me, (c) removing the water by evaporation, (d) treating the solid residue obtained from step (c) thermally at a temperature in the range of from 500 to 800°C in the presence of oxygen.

    SLURRIES OF INORGANIC MATERIALS FOR FORMING SOLID STRUCTURES
    5.
    发明申请
    SLURRIES OF INORGANIC MATERIALS FOR FORMING SOLID STRUCTURES 审中-公开
    用于形成固体结构的无机材料的碎片

    公开(公告)号:WO2017202693A1

    公开(公告)日:2017-11-30

    申请号:PCT/EP2017/062016

    申请日:2017-05-18

    Applicant: BASF SE

    Abstract: The present invention relates to a slurry comprising i) an inorganic material, ii) a binder, and iii) an organic solvent of formula (I), wherein R 1 is H, d-Ce-Alkyl, R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 are independently from each other either H or Me, and n is O oM. The present invention further relates to the use of such slurries as a component for producing a solid structure, to a process for preparing a solid structure and to a process for preparing a cathode for a rechargeable electrochemical cell.

    Abstract translation: 本发明涉及包含i)无机材料,ii)粘合剂和iii)式(I)的有机溶剂的浆液,其中R 1是 H,C 1 -C 6烷基,R 2,R 3,R 4,R 5,R 5,R 5, R 7,R 8,R 9,R 10,R 10,R 8,R 8, 它们彼此独立地是H或Me,并且n是0或0。 本发明进一步涉及这种浆料作为用于生产固体结构的组分的用途,涉及制备固体结构的方法和制备用于可再充电的电化学电池的阴极的方法。

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