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    PRECURSORS OF CATHODE MATERIALS FOR A RECHARGEABLE LITHIUM ION BATTERY
    2.
    发明申请
    PRECURSORS OF CATHODE MATERIALS FOR A RECHARGEABLE LITHIUM ION BATTERY 审中-公开

    公开(公告)号：US20200024153A1

    公开(公告)日：2020-01-23

    申请号：US16488717

    申请日：2018-02-07

    Applicant: Umicore ,  Umicore Korea Ltd.

    Inventor： Dae-Hyun KIM ,  Jens PAULSEN ,  JinDoo OH ,  Maxime BLANGERO

    IPC: C01G51/00 ,  H01M4/52 ,  H01M4/525

    Abstract: A method for manufacturing a cobalt based hydroxide carbonate compound having a malachite-rosasite mineral structure, comprising the steps of: —providing an first aqueous solution comprising a source of Co, —providing a second aqueous solution comprising Na2CO3, —mixing both solutions in a precipitation reactor at a temperature above 70° C., thereby precipitating a cobalt based hydroxide carbonate compound whilst evacuating from the reactor any CO2 formed by the precipitation reaction, wherein the residence time of the compound in the reactor is between 1 and 4 hours, and—recovering the cobalt based hydroxide carbonate compound. The cobalt based hydroxide carbonate compound is used as a precursor of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries.

    PRECURSORS OF CATHODE MATERIALS FOR A RECHARGEABLE LITHIUM ION BATTERY
    6.
    发明申请
    PRECURSORS OF CATHODE MATERIALS FOR A RECHARGEABLE LITHIUM ION BATTERY 审中-公开

    公开(公告)号：US20200017370A1

    公开(公告)日：2020-01-16

    申请号：US16568756

    申请日：2019-09-12

    Applicant: Umicore ,  Umicore Korea Ltd.

    Inventor： Dae-Hyun KIM ,  Jens PAULSEN ,  JinDoo OH ,  Maxime BLANGERO

    IPC: C01G51/00 ,  H01M4/525 ,  H01M10/0525

    Abstract: A method for manufacturing a cobalt based hydroxide carbonate compound having a malachite-rosasite mineral structure, comprising the steps of: providing an first aqueous solution comprising a source of Co, providing a second aqueous solution comprising Na2CO3, mixing both solutions in a precipitation reactor at a temperature above 70° C., thereby precipitating a cobalt based hydroxide carbonate compound whilst evacuating from the reactor any CO2 formed by the precipitation reaction, wherein the residence time of the compound in the reactor is between 1 and 4 hours, and recovering the cobalt based hydroxide carbonate compound. The cobalt based hydroxide carbonate compound is used as a precursor of a lithium cobalt based oxide usable as an active positive electrode material in lithium ion batteries.

    METHODS FOR PREPARING POSITIVE ELECTRODE MATERIAL FOR RECHARGEABLE LITHIUM ION BATTERIES
    7.
    发明申请
    METHODS FOR PREPARING POSITIVE ELECTRODE MATERIAL FOR RECHARGEABLE LITHIUM ION BATTERIES 有权

    公开(公告)号：US20210143423A1

    公开(公告)日：2021-05-13

    申请号：US17041022

    申请日：2019-03-13

    Applicant: UMICORE ,  UMICORE KOREA LTD.

    Inventor： Jens PAULSEN ,  Shinichi KUMAKURA ,  TaeHyeon YANG ,  Dae-Hyun KIM ,  HyeJeong YANG

    IPC: H01M4/525 ,  H01M4/505 ,  H01M4/04

    Abstract: A method for preparing a powderous positive electrode material comprising single crystal monolithic particles and having a general formula Li1+a((Niz(Ni1/2Mn1/2)yCox)1-k Ak)1-aO2, wherein A is a dopant, −0.03≤a≤0.06, 0.05≤x≤0.35, 0.10≤z≤0.95, x+y+z=1 and k≤0.05 is described. The method comprises providing a mixture comprising a Ni- and Co-bearing precursor and a Li bearing precursor, subjecting the mixture to a multiple step sintering process whereby in the final sintering step a sintered lithiated intermediate material is obtained comprising agglomerated primary particles having a primary particle size distribution with a D50 between 2.0 and 8.0 μm, subjecting the lithiated intermediate material to a wet ball milling step to deagglomerate the agglomerated primary particles and obtain a slurry comprising deagglomerated primary particles, separating the deagglomerated primary particles from the slurry, and heat treating the deagglomerated primary particles at a temperature between 300° C. and at least 20° C. below the temperature in the final sintering step.

    Sulfate Containing Rechargeable Battery Cathode with Oxidized Surface
    8.
    发明申请
    Sulfate Containing Rechargeable Battery Cathode with Oxidized Surface 审中-公开
    含有氧化表面的可充电电池阴极的硫酸盐

    公开(公告)号：US20160365571A1

    公开(公告)日：2016-12-15

    申请号：US15121439

    申请日：2015-02-25

    Applicant: UMICORE ,  UMICORE KOREA LTD.

    Inventor： Dae-Hyun KIM ,  Jens PAULSEN

    IPC: H01M4/36 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

    CPC classification number: H01M4/366 ,  H01B1/06 ,  H01B1/08 ,  H01M4/131 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028

    Abstract: A method for preparing a positive electrode material for a rechargeable lithium battery, comprising the steps of: providing a Li metal (M) oxide electroactive material, providing an inorganic oxidizing chemical compound, providing a chemical that is a Li-acceptor, mixing the Li metal (M) oxide, the oxidizing compound and the Li-acceptor, and heating the mixture at a N temperature between 200 and 800° C. in an oxygen comprising atmosphere. In an embodiment the positive electrode material comprises a Li metal (M) oxide electroactive material, and between 0.15 and 5 wt % of a LiNaSO4 secondary phase. The Li metal oxide may have the general formula Li1+a′M1−aO2, with a′

    Abstract translation: 一种制备可再充电锂电池正极材料的方法，包括以下步骤：提供Li金属（M）氧化物电活性材料，提供无机氧化化合物，提供作为Li-受体的化学物质，将Li 氧化金属（M），氧化性化合物和Li-受体，并在200〜800℃的N温度下在含氧气氛中加热该混合物。 在一个实施方案中，正电极材料包含Li金属（M）氧化物电活性材料和0.15至5重量％的LiNaSO 4次相。 Li金属氧化物可具有通式为Li1 + a'M1-aO2，具有'

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