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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。

    LITHIUM SECONDARY BATTERY CONTAINING CATHODE MATERIALS HAVING HIGH ENERGY DENSITY AND ORGANIC/INORGANIC COMPOSITE POROUS MEMBRANE
    3.
    发明申请
    LITHIUM SECONDARY BATTERY CONTAINING CATHODE MATERIALS HAVING HIGH ENERGY DENSITY AND ORGANIC/INORGANIC COMPOSITE POROUS MEMBRANE 有权
    含有高能密度和有机/无机复合多孔膜的阴极材料的锂二次电池

    公开(公告)号：US20120219840A1

    公开(公告)日：2012-08-30

    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： H01M4/62 ,  H01M2/18

    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。