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    Lithium Secondary Battery With Excellent Performance
    1.
    发明申请
    Lithium Secondary Battery With Excellent Performance 有权
    锂二次电池性能优良

    公开(公告)号：US20140377657A1

    公开(公告)日：2014-12-25

    申请号：US14482266

    申请日：2014-09-10

    申请人： LG Chem, Ltd.

    发明人： Soo Hyun Lim ,  Jae Hyun Lee ,  Jihyun Kim

    IPC分类号： H01M4/131 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/48 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52

    CPC分类号： H01M4/131 ,  H01M4/483 ,  H01M4/485 ,  H01M4/502 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2010/4292 ,  H01M2200/20 ,  H01M2220/20 ,  Y02T10/7011

    摘要： Disclosed is a lithium secondary battery including: an electrode assembly including a cathode including a cathode mixture layer formed on a cathode current collector, an anode including an anode mixture layer formed on an anode current collector, and a separator disposed between the cathode and the anode; and an electrolyte, wherein the anode includes lithium titanium oxide (LTO) as an anode active material, and four planes of the cathode mixture layer have the same or greater length than four planes of the anode mixture layer and thus the cathode mixture layer has the same or greater area than the anode mixture layer.

    摘要翻译： 公开了一种锂二次电池，其包括：电极组件，包括阴极，阴极包括形成在阴极集电器上的阴极混合物层，阳极，阳极混合物层形成在阳极集电器上，阳极混合层形成在阴极和阳极之间 ; 和电解质，其中所述阳极包括作为阳极活性材料的锂二氧化钛（LTO），并且所述阴极混合物层的四个平面具有与所述阳极混合物层的四个平面相同或更长的长度，因此所述阴极混合物层具有 相同或更大的面积比阳极混合物层。

    ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING CATHODE AND ANODE HAVING DIFFERENT SHAPES
    2.
    发明申请
    ELECTRODE ASSEMBLY AND SECONDARY BATTERY INCLUDING CATHODE AND ANODE HAVING DIFFERENT SHAPES 审中-公开
    电极组件和二次电池，包括阴极和阳极具有不同的形状

    公开(公告)号：US20140349181A1

    公开(公告)日：2014-11-27

    申请号：US14459453

    申请日：2014-08-14

    申请人： LG Chem, Ltd.

    发明人： Soo Hyun Lim ,  Min Hee Lee ,  Jae Hyun Lee ,  Seong Min Lee ,  Jihyun Kim ,  Tae Jin Park

    IPC分类号： H01M2/26 ,  H01M2/16 ,  H01M2/30

    CPC分类号： H01M2/26 ,  H01M2/1673 ,  H01M2/266 ,  H01M2/30 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/654 ,  H01M10/6553

    摘要： Disclosed is an electrode assembly including a plurality of alternately arranged cathode and anode plates, a separator interposed between the cathode plate and the anode plate, a plurality of cathode tabs respectively formed on the cathode plates, a plurality of anode tabs respectively formed on the anode plates, a cathode lead coupled to the cathode tabs, and an anode lead coupled to the anode tabs, wherein i) the cathode and anode tabs have different shapes and widths of the cathode tabs and the anode tabs are equal to 2 to 100% the length of electrode surfaces with the tabs formed thereon, or ii) the cathode tabs and the anode tabs are asymmetrically arranged with respect to electrode surfaces with the cathode and anode tabs formed thereon and widths of the cathode tabs and the anode tabs are equal to 5 to 45% the length of the electrode surfaces.

    摘要翻译： 公开了一种电极组件，其包括多个交替布置的阴极和阳极板，分隔件插入在阴极板和阳极板之间，多个阴极片分别形成在阴极板上，多个阳极片分别形成在阳极上 板，耦合到阴极突片的阴极引线以及耦合到阳极突片的阳极引线，其中i）阴极和阳极突片具有不同形状和宽度的阴极突片和阳极突片等于2至100％ 具有其上形成有突片的电极表面的长度，或ii）阴极突片和阳极突片相对于电极表面不对称地布置，阴极和阳极突片形成在其上，阴极突片和阳极突片的宽度等于5 至电极表面长度的45％。

    Rechargeable Battery
    3.
    发明申请
    Rechargeable Battery 有权

    公开(公告)号：US20210036272A1

    公开(公告)日：2021-02-04

    申请号：US16630243

    申请日：2018-10-19

    申请人： LG Chem, Ltd.

    发明人： Sei Woon Oh ,  Sung Hwan Cho ,  Soo Hyun Lim ,  Sun Hwak Woo ,  Jinseo Park

    IPC分类号： H01M2/06 ,  H01M2/30 ,  H01M2/26

    摘要： A rechargeable battery includes an electrode assembly; a case having a sealing portion surrounding the electrode assembly; and a lead electrically connected to the electrode assembly and extending in a first direction, wherein the lead includes a first region in contact with the electrode assembly and located inside the case; a second region exposed to an outside of the case; and a third region located between the first region and the second region and overlapping the sealing portion of the case, wherein the third region has a width greater than that of the first region and the second region in a second direction and has a thickness smaller than that of the first region and the second region in a third direction, and wherein the second direction is perpendicular to the first direction, and the third direction is perpendicular to the first direction and the second direction.

    Method for preparing electrode for secondary battery
    5.
    发明授权
    Method for preparing electrode for secondary battery 有权

    公开(公告)号：US11205771B2

    公开(公告)日：2021-12-21

    申请号：US16606964

    申请日：2018-11-30

    申请人： LG Chem, Ltd.

    发明人： Sei Woon Oh ,  Soo Hyun Lim ,  Sun Hwak Woo ,  Jinseo Park

    IPC分类号： H01M4/21 ,  H01M4/04 ,  H01M4/139 ,  H01M4/62 ,  H01M4/02 ,  H01M10/00

    摘要： The present invention provides a method for preparing an electrode for a secondary battery, including the steps of: (i) mixing and kneading an active material, a binder, and a conductive material together with a solvent to prepare a slurry in the form of a paste having a solid content of 70 to 90 wt %; (ii) positioning the slurry in the form of a paste on a current collector; and (iii) passing the current collector through a rolling apparatus together with the slurry in the form of a paste to simultaneously press it while forming an electrode coating layer on the current collector.

    Method for Preparing Electrode for Secondary Battery
    6.
    发明申请
    Method for Preparing Electrode for Secondary Battery 审中-公开

    公开(公告)号：US20200335766A1

    公开(公告)日：2020-10-22

    申请号：US16606964

    申请日：2018-11-30

    申请人： LG Chem, Ltd.

    发明人： Sei Woon Oh ,  Soo Hyun Lim ,  Sun Hwak Woo ,  Jinseo Park

    IPC分类号： H01M4/04 ,  H01M4/62 ,  H01M4/139

    摘要： The present invention provides a method for preparing an electrode for a secondary battery, including the steps of: (i) mixing and kneading an active material, a binder, and a conductive material together with a solvent to prepare a slurry in the form of a paste having a solid content of 70 to 90 wt %; (ii) positioning the slurry in the form of a paste on a current collector; and (iii) passing the current collector through a rolling apparatus together with the slurry in the form of a paste to simultaneously press it while forming an electrode coating layer on the current collector.