MANUFACTURE OF ELECTRODE ACTIVE MATERIALS, AND ELECTRODE ACTIVE MATERIALS

    公开(公告)号:US20250122095A1

    公开(公告)日:2025-04-17

    申请号:US18693203

    申请日:2022-10-05

    Applicant: BASF SE

    Abstract: Disclosed herein is a process for making an electrode active material. The process includes the following steps: (a) providing an (oxy)hydroxide of TM, where TM is a transition metal and includes nickel and, optionally, at least one of cobalt and manganese, (b) mixing the (oxy)hydroxide of TM with 75 to 85 mol-% of a lithium source, referring to TM, and at least one compound of Mg or Al, (c) treating the resultant mixture at a temperature in the range of from 400 to 700° C., thereby obtaining a powder, (d) mixing the powder from step (c) with a source of lithium and with at least one compound of Mg or Al and with at least one compound of Nb, Ta, W, Ti or Zr, and (e) treating the mixture obtained from step (d) thermally at a temperature in the range of from 550 to 800° C.

    PROCESS FOR COATING AN OXIDE MATERIAL

    公开(公告)号:US20210218008A1

    公开(公告)日:2021-07-15

    申请号:US17250792

    申请日:2019-08-30

    Applicant: BASF SE

    Abstract: The present disclosure relates to a process for coating an oxide material comprising: (a) providing a particulate material chosen from lithiated nickel-cobalt aluminum oxides, lithiated cobalt-manganese oxides, and lithiated layered nickel-cobalt-manganese oxides, (b) treating the cathode active material with a metal alkoxide, metal amide, alkyl metal compound, metal halide, or metal hydride at a pressure ranging from 5 mbar to 1 bar above ambient pressure, (c) deactivating the material obtained in step (b) with a HF containing gas at ambient pressure,  wherein step (b) is carried out in a mechanical mixer chosen from compulsory mixers and free-fall mixers, or step (b) is carried out using a moving bed or a fixed bed.

    PROCESS FOR MAKING A COATED OXIDE MATERIAL

    公开(公告)号:US20210399291A1

    公开(公告)日:2021-12-23

    申请号:US17309205

    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).

    ALKALI-ION CONDUCTIVE SEPARATOR ASSEMBLY FOR RECHARGEABLE ELECTROCHEMICAL CELLS
    7.
    发明申请
    ALKALI-ION CONDUCTIVE SEPARATOR ASSEMBLY FOR RECHARGEABLE ELECTROCHEMICAL CELLS 审中-公开
    用于可充电电化学电池的碱性离子导电分离器组件

    公开(公告)号:US20160141580A1

    公开(公告)日:2016-05-19

    申请号:US14899899

    申请日:2014-05-27

    Applicant: BASF SE

    Abstract: Disclosed is an alkali-ion conducting separator assembly comprising a porous membrane (A) and an alkali-ion conducting film (B) placed on one major surface of the porous membrane (A), wherein the alkali-ion conducting film (B) comprises an inorganic material of the general formula (I): (L1+[(12−u)2+wv)−xm−[(3−y)3+yn]−[(2−z)5+zp]Im+x](A3+3−yan+y)(B5+2−zbp+z)(O2−12−uDv−w) (I) Further disclosed is a process for producing such an alkali-ion conducting separator assembly and a rechargeable electrochemical cell comprising such an alkali-ion conducting separator assembly.

    Abstract translation: 公开了一种碱离子导电分离器组件,其包括多孔膜(A)和放置在多孔膜(A)的一个主表面上的碱离子传导膜(B)),其中所述碱离子传导膜(B)包含 通式(I)的无机材料:(L1 + [(12-u)2 + wv)-xm- [(3-y)3 + yn] - [(2-z)5 + zp] Im + ](A3 + 3-yan + y)(B5 + 2-zbp + z)(O2-12-uDv-w)(I)进一步公开了一种制备这种碱离子导电分离器组件和可再充电电化学 包含这种碱离子导电分离器组件的电池。

    PROCESS FOR MAKING AN AT LEAST PARTIALLY COATED ELECTRODE ACTIVE MATERIAL

    公开(公告)号:US20220246900A1

    公开(公告)日:2022-08-04

    申请号:US17595860

    申请日:2020-06-17

    Applicant: BASF SE

    Abstract: Process for making an at least partially coated electrode active material wherein said process comprises the following steps: (a) Providing an electrode active material according to general formula Li1+xTM1−xO2, wherein TM is a combination of Ni and Co or Ni and Al and, optionally, Mn, and, optionally, at least one metal selected from Ga, Nb, Ta, Mg, Mo, B, Sn, V, W, Ti and Zr, and x is in the range of from zero to 0.2, (b) treating said electrode active material with at least one carbonyl compound of Co, and (c) treating the material obtained in step (b) with an oxidant.

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