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    Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane
    1.
    发明授权
    Lithium secondary battery containing cathode materials having high energy density and organic/inorganic composite porous membrane 有权
    含有能量密度高的阴极材料的锂二次电池和有机/无机复合多孔膜

    公开(公告)号：US08715856B2

    公开(公告)日：2014-05-06

    申请号：US13223731

    申请日：2011-09-01

    申请人： Seungeun Choi ,  Eunyoung Goh ,  Hyang Mok Lee ,  Heegyoung Kang ,  Sangbaek Ryu ,  Kiwoong Kim

    发明人： Seungeun Choi ,  Eunyoung Goh ,  Hyang Mok Lee ,  Heegyoung Kang ,  Sangbaek Ryu ,  Kiwoong Kim

    IPC分类号： H01M2/02 ,  H01M2/16 ,  H01M4/52 ,  H01M4/50 ,  H01M4/62 ,  H01M4/131

    CPC分类号： H01M4/525 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/1673 ,  H01M4/364 ,  H01M4/505 ,  H01M4/622 ,  H01M4/623 ,  H01M10/052 ,  H01M2004/028 ,  Y02T10/7011

    摘要： Disclosed is a secondary battery including a cathode, an anode, a membrane and an electrolyte, wherein the cathode contains a mixture of a first cathode material defined herein and a second cathode material selected from the group consisting of a second-(a) cathode material defined herein and a second-(b) cathode material defined herein, and a combination thereof, wherein a mix ratio of the two cathode materials (first cathode material: second cathode material) is 50:50 to 90:10, and the membrane is an organic/inorganic composite porous membrane including (a) a polyolefin-based membrane substrate and (b) an active layer in which one or more areas selected from the group consisting of the surface of the substrate and a portion of pores of the substrate are coated with a mixture of inorganic particles and a binder polymer, wherein the active layer has a structure in which the inorganic particles are interconnected and fixed through a binder polymer and porous structures are formed by the interstitial volume between the inorganic particles.

    摘要翻译： 公开了包括阴极，阳极，膜和电解质的二次电池，其中阴极包含本文定义的第一阴极材料和第二阴极材料的混合物，第二阴极材料选自第二 - （a）阴极材料 本文定义的第二（b）阴极材料及其组合，其中两种阴极材料（第一阴极材料：第二阴极材料）的混合比为50:50至90:10，膜为 有机/无机复合多孔膜，其包含（a）聚烯烃类膜基材和（b）活性层，其中从由所述基材的表面和所述基材的孔的一部分组成的组中选择的一个或多个区域为 涂覆有无机颗粒和粘合剂聚合物的混合物，其中活性层具有其中无机颗粒通过粘合剂聚合物互连和固定的结构，并且多孔结构由 无机颗粒之间的间隙体积。

    Stack and folding-typed electrode assembly and method for preparation of the same
    3.
    发明授权
    Stack and folding-typed electrode assembly and method for preparation of the same 有权
    堆叠折叠型电极组件及其制备方法

    公开(公告)号：US08709642B2

    公开(公告)日：2014-04-29

    申请号：US12667484

    申请日：2008-07-02

    申请人： Kyong Won Kang ,  Hyang Mok Lee ,  Byungjin Choi ,  Eunyoung Goh ,  Sung-Min Hwang ,  Oh Young Hyun ,  Chang bum Ahn ,  Hyun-Chul Jung ,  Wooyong Lee

    发明人： Kyong Won Kang ,  Hyang Mok Lee ,  Byungjin Choi ,  Eunyoung Goh ,  Sung-Min Hwang ,  Oh Young Hyun ,  Chang bum Ahn ,  Hyun-Chul Jung ,  Wooyong Lee

    IPC分类号： H01M10/04

    CPC分类号： H01M10/0436 ,  H01M6/46 ,  H01M10/0459 ,  H01M10/052 ,  H01M10/0583 ,  Y10T29/49108 ,  Y10T29/49112

    摘要： Disclosed herein is a method of locating a plurality of full cells constructed in a cathode/separator/anode structure, as basic units, on a separator sheet having a continuous length, further locating a unit electrode or a bi-cell on the separator sheet, and winding the full cells and unit electrode or the bi-cell to continuously manufacture a stacking/folding type electrode assembly constructed in a structure in which anodes are located at the outermost electrodes forming the outside of the electrode assembly, respectively, wherein the method including a step of continuously supplying a cathode sheet, an anode sheet, a first separator sheet, and a second separator sheet, to manufacture the unit cells, successively arranging the unit cells on the second separator sheet from a first stage to an nth stage, and winding the unit cells, a step of arranging cathode tabs and anode tabs at the respective stages, while the cathode tabs and the anode tabs are opposite to each other, and arranging electrode tabs having the same polarity between the neighboring stages, while the electrode tabs are opposite to each other, such that the electrode tabs having the same polarity are located all together at predetermined positions of the wound electrode assembly, and a step of supplying electrodes the number of which is odd from two electrode sheets and electrodes the number of which is even from one electrode sheet.

    摘要翻译： 本文公开了一种在具有连续长度的隔离片上定位作为基本单元的阴极/隔板/阳极结构中构成的多个全电池的方法，将单元电极或双电池进一步放置在隔板上， 并卷绕全部单元和单位电极或双电池以连续地制造堆叠/折叠型电极组件，其分别以阳极位于形成电极组件外侧的最外电极的结构中构成，其中包括 连续地供给阴极片，阳极片，第一隔板片和第二隔片片的步骤，以制造单元电池，从第一阶段到第n阶段将单元电池依次布置在第二隔板片上，以及 卷绕单元电池，在阴极片和阳极片彼此相对的同时在相应的阶段排列阴极片和阳极片的步骤， g电极片在相邻台阶之间具有相同的极性，同时电极片彼此相对，使得具有相同极性的电极片全部位于卷绕电极组件的预定位置处，并且提供电极 其数量从两个电极片和电极的数量是奇数的，电极的数量甚至是一个电极片。

    STACK AND FOLDING-TYPED ELECTRODE ASSEMBLY AND METHOD FOR PREPARATION OF THE SAME
    4.
    发明申请
    STACK AND FOLDING-TYPED ELECTRODE ASSEMBLY AND METHOD FOR PREPARATION OF THE SAME 有权
    堆叠和折叠式电极组件及其制备方法

    公开(公告)号：US20100279161A1

    公开(公告)日：2010-11-04

    申请号：US12667484

    申请日：2008-07-02

    申请人： Kyong Won Kang ,  Hyang Mok Lee ,  Byungjin Choi ,  Eunyoung Goh ,  Sung-Min Hwang ,  OhYoung Hyun ,  Chang bum Ahn ,  Hyun-Chul Jung ,  Wooyong Lee

    发明人： Kyong Won Kang ,  Hyang Mok Lee ,  Byungjin Choi ,  Eunyoung Goh ,  Sung-Min Hwang ,  OhYoung Hyun ,  Chang bum Ahn ,  Hyun-Chul Jung ,  Wooyong Lee

    IPC分类号： H01M6/10 ,  H01M4/82

    CPC分类号： H01M10/0436 ,  H01M6/46 ,  H01M10/0459 ,  H01M10/052 ,  H01M10/0583 ,  Y10T29/49108 ,  Y10T29/49112

    摘要： Disclosed herein is a method of locating a plurality of pull cells constructed in a cathode/separator/anode structure, as basic units, on a separator sheet having a continuous length, further locating a unit electrode or a bi-cell on the separator sheet, and winding the pull cells and unit electrode or the bi-cell to continuously manufacture a stacking/folding type electrode assembly constructed in a structure in which anodes are located at the outermost electrodes forming the outside of the electrode assembly, respectively, wherein the method including a step of continuously supplying a cathode sheet, an anode sheet, a first separator sheet, and a second separator sheet, to manufacture the unit cells, successively arranging the unit cells on the second separator sheet from a first stage to an n stage, and winding the unit cells, a step of arranging cathode tabs and anode tabs at the respective stages, while the cathode tabs and the anode tabs are opposite to each other, and arranging electrode tabs having the same polarity between the neighboring stages, while the electrode tabs are opposite to each other, such that the electrode tabs having the same polarity are located all together at predetermined positions of the wound electrode assembly, and a step of supplying electrodes the number of which is odd from two electrode sheets and electrodes the number of which is even from one electrode sheet.

    摘要翻译： 本文公开了一种将在阴极/隔板/阳极结构中构造的多个拉电池作为基本单元定位在具有连续长度的隔板上，将单元电极或双电池进一步放置在隔板上的方法， 以及卷绕拉电池和单元电极或双电池以连续地制造堆叠/折叠型电极组件，其分别以阳极位于形成电极组件外部的最外电极的结构中构成，其中包括 连续地供给阴极片，阳极片，第一隔片片和第二隔片片的步骤，制造单位电池，将第一隔离片的单位电池从第一阶段到第n阶段依次排列，以及 卷绕单元电池，在阴极接片和阳极接片彼此相对的同时在相应的阶段布置阴极接头和阳极接头的步骤，并且布置 电极片在相邻台阶之间具有相同的极性，同时电极片彼此相对，使得具有相同极性的电极片全部位于卷绕的电极组件的预定位置处，并且提供电极的步骤 其数量从两个电极片和电极的数量是奇数的，电极的数量甚至是一个电极片。