PROCESS FOR MAKING A COATED OXIDE MATERIAL
    1.
    发明申请

    公开(公告)号:WO2020099302A2

    公开(公告)日:2020-05-22

    申请号:PCT/EP2019/080834

    申请日:2019-11-11

    Applicant: BASF SE

    Abstract: Process for making a coated oxide material wherein said process comprises the following steps: (a) providing a particulate material selected from lithiated nickel-cobalt aluminum oxides, lithium cobalt oxide, lithiated cobalt-manganese oxides and lithiated layered nickel-cobalt- manganese oxides, (b) treating said particulate material with an aqueous medium, (c) removing said aqueous medium, (d) drying said treated particulate material, (e) treating said particulate material from step (d) with a metal amide or alkyl metal compound, (f) treating the material obtained in step (e) with moisture or an oxidizing agent, and, optionally, repeating the sequence of steps (e) and (f).

    PROCESS FOR MAKING A PARTIALLY COATED ELECTRODE ACTIVE MATERIAL

    公开(公告)号:WO2020109360A1

    公开(公告)日:2020-06-04

    申请号:PCT/EP2019/082678

    申请日:2019-11-27

    Applicant: BASF SE

    Abstract: Process for making a partially coated electrode active material wherein said process comprises the following steps: (a) providing an electrode active material according to general formula Li 1+x TM 1-x 0 2 , wherein TM is Ni and at least one of Co and Mn, and, optionally, at least one element selected from Al, Mg, Ba, B, and transition metals other than Ni, Co, and Mn, and x is in the range of from -0.05 to 0.2, (b) treating said electrode active material with a compound according to the general formula (H 2 AI-OR 1 ) 2 wherein R 1 is selected from C 2 -C 6 -alkyl, followed by an after-treatment step selected from (c) treating the material obtained from step (b) with an oxidizing agent, (d) treating the material obtained from step (b) with HP, and (e) treating the material obtained from step (b) with a phosphorus-bearing reagent selected from H 3 PO 4 , fluorophosphoric acid and difluorophosphoric acid.

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL

    公开(公告)号:WO2018215254A1

    公开(公告)日:2018-11-29

    申请号:PCT/EP2018/062660

    申请日:2018-05-16

    Applicant: BASF SE

    Abstract: Process for making an electrode active material for a lithium ion battery, said process comprising the following steps: (a) Contacting a mixture of (A) a precursor of a mixed oxide according to general formula Li 1+x TM 1-x O 2 , wherein TM is a combination of two or more transition metals selected from Mn, Co and Ni, optionally in combination with at least one more metal selected from Ba, Al, Ti, Zr, W, Fe, Cr, K, Mo, Nb, Mg, Naand V, and x is in the range of from zero to 0.2, and (B) at least one lithium compound, with (C) Br 2 , I 2 , or at least one compound selected from carbon perhalides selected from the bromides and iodides, and interhalogen compounds comprising bromine or iodine, and (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000°C.

    SLURRIES OF INORGANIC MATERIALS FOR FORMING SOLID STRUCTURES
    4.
    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。

    PROCESS FOR THE MANUFACTURE OF A CATHODE ACTIVE MATERIAL

    公开(公告)号:WO2022069237A1

    公开(公告)日:2022-04-07

    申请号:PCT/EP2021/075440

    申请日:2021-09-16

    Applicant: BASF SE

    Abstract: Process for the manufacture of a cathode active material comprising the steps of (a) providing a particulate electrode active material according to general formula Li1+xTM1-xO2, wherein TM is Ni and, optionally, at least one element selected from Al, Mg, Ba, and transition metals other than Ni, and x is in the range of from -0.05 to 0.2, wherein at least 50mole-% of TM is Ni, (b) adding an aqueous medium that contains LiOH in dissolved form to the particulate electrode active material provided in step (a), and (c) removing the liquid phase by a solid-liquid separation method, and (d) at least partially recycling the liquid phase from step (c) for a treatment step in analogy to step (b).

    PROCESS FOR MAKING AN ELECTRODE ACTIVE MATERIAL

    公开(公告)号:WO2020148104A1

    公开(公告)日:2020-07-23

    申请号:PCT/EP2020/050135

    申请日:2020-01-06

    Applicant: BASF SE

    Abstract: Process for making an electrode active material according to general formula Li 1+x TM 1-x O 2 , wherein TM is a combination of Ni and Co and Zr and at least one metal selected from Mn and Al, and, optionally, at least one of Mg, Ti, and W, wherein at least 60 mole-% is Ni, referring to the sum of Ni, Co and, if applicable, Mn and Al, and x is in the range of from zero to 0.2, said process comprising the following steps: (a) mixing (A) a mixed oxide or oxyhydroxide of Ni, Co and, if applicable, Mn, (B) at least one lithium compound selected from lithium hydroxide, lithium oxide and lithium carbonate, and (C) at least one oxide or hydroxide or oxyhydroxide of Zr with an average diameter D50 in the range of from 1 to 7 μm, and in compounds (C) that are selected from oxides of Zr, their crystallite size is in the range of from 5 to 20 nm and (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000°C.

    PROCESS FOR MAKING A COATED CATHODE ACTIVE MATERIAL

    公开(公告)号:WO2022078980A1

    公开(公告)日:2022-04-21

    申请号:PCT/EP2021/078103

    申请日:2021-10-12

    Applicant: BASF SE

    Abstract: The present invention is directed towards a process for making an electrode active material according to general formula Li1+(TM1-yM1y)1-xO2, wherein TM includes a combination of Ni and at least one of Co, Mn and Al, M1 is selected from Nb and Ta, and at least one of Co, Mn and Al, and optionally at least one more metal selected from Mg, Al, Ti, Zr, and W, y is in the range of from 0.001 to less than 0.01, and x is in the range of from zero to 0.2, said process comprising the following steps: (a) mixing (A) a mixed oxide or (oxy)hydroxide of Mn, Co and Ni, and (B) at least one lithium compound selected from lithium hydroxide, lithium oxide and lithium carbonate, and (C) an amorphous compound of Nb or Ta, (b) Subjecting said mixture to heat treatment at a temperature in the range of from 700 to 1000°C, wherein at least 60 mole-% of the transition metal of TM is Ni.

    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.

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