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    Positive Electrode Active Material for Lithium Secondary Battery and Method for Preparing the Same
    6.
    发明申请
    Positive Electrode Active Material for Lithium Secondary Battery and Method for Preparing the Same 审中-公开

    公开(公告)号：US20200161650A1

    公开(公告)日：2020-05-21

    申请号：US16496167

    申请日：2018-11-22

    申请人： LG CHEM, LTD.

    发明人： Younguk PARK ,  Tae Gu YOO ,  Jintae HWANG ,  Wang Mo JUNG ,  Sungbin PARK

    IPC分类号： H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/485 ,  H01M4/04

    摘要： Provided is a positive electrode active material for a lithium secondary battery, the positive electrode active material being a secondary particle formed by agglomerating a plurality of polycrystalline primary particles including a lithium composite metal oxide of Chemical Formula 1, wherein an average crystallite size of the primary particle is 180 to 400 nm, an average particle size D50 of the primary particle is 1.5 to 3 μm, and the primary particle is doped or surface-coated with at least one element M selected from the group consisting Al, Ti, Mg, Zr, Y, Sr, and B in an amount of 3,800 to 7,000 ppm: Lia(NixMnyCozAw)O2+b   [Chemical Formula 1] in Chemical Formula 1, A, b, x, y, z, and w are the same as defined in the present specification.

    DEVICE FOR PREPARING INORGANIC COMPOUND AND METHOD FOR PREPARING INORGANIC COMPOUND USING THE SAME
    7.
    发明申请
    DEVICE FOR PREPARING INORGANIC COMPOUND AND METHOD FOR PREPARING INORGANIC COMPOUND USING THE SAME 审中-公开
    用于制备无机化合物的装置和使用其制备无机化合物的方法

    公开(公告)号：US20130129596A1

    公开(公告)日：2013-05-23

    申请号：US13743018

    申请日：2013-01-16

    申请人： LG CHEM, LTD.

    发明人： Hyun Kuk NOH ,  Eun Sang LEE ,  Kwang Soo PARK ,  Hong Kyu PARK ,  Wang Mo JUNG ,  Sang Seung OH ,  JuHyeong JEONG

    IPC分类号： B01J14/00

    CPC分类号： B01J14/00 ,  B01J3/008 ,  B01J4/002 ,  C01B25/45 ,  C01G1/00 ,  C01G15/006 ,  C01G17/006 ,  C01G45/02 ,  C01G45/1242 ,  C01G49/02 ,  C01G51/04 ,  C01G53/04 ,  H01M4/5825 ,  Y02P20/544

    摘要： Disclosed is a device for continuously preparing an inorganic slurry by a hydrothermal method including a precursor liquid or slurry stream containing a precursor for preparing an inorganic substance, a supercritical liquid stream containing high-temperature and high-pressure water, and a reactor into which the precursor liquid or slurry stream and the supercritical liquid stream are injected, and from which an inorganic slurry obtained as a reaction product of hydrothermal reaction between the precursor liquid or slurry stream and the supercritical liquid stream is continuously discharged, wherein an injection direction of the precursor liquid or slurry stream forms an angle of 0 to 60 degrees with respect to a discharge direction of an inorganic slurry stream (inorganic substance stream) containing the inorganic slurry in the reactor.

    摘要翻译： 公开了一种用于通过水热法连续制备无机浆料的装置，包括含有用于制备无机物质的前体的前体液体或浆料流，含有高温高压水的超临界液体流，以及反应器， 将前体液体或浆料流和超临界液体流注入，并将从前体液体或浆液流与超临界液体流之间的水热反应的反应产物获得的无机淤浆连续地排出，其中前体的注入方向 相对于在反应器中含有无机浆料的无机浆料流（无机物流）的排出方向，液体或浆料流形成0〜60度的角度。