公开(公告)号：US20140255741A1

公开(公告)日：2014-09-11

申请号：US14279917

申请日：2014-05-16

Applicant: LG CHEM, LTD.

Inventor： Yo-Han Kwon ,  Jang-Hyuk Hong ,  Hye-Ran Jung ,  Je-Young Kim ,  Jong-Hun Kim

IPC: H01M4/36 ,  H01M4/62

CPC classification number: H01M10/0587 ,  H01M2/0222 ,  H01M4/0404 ,  H01M4/0452 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/131 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/387 ,  H01M4/483 ,  H01M4/62 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M4/661 ,  H01M4/74 ,  H01M4/75 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0563 ,  H01M10/0569 ,  H01M10/058 ,  H01M2220/30 ,  H01M2300/002 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present invention provides an electrode for a secondary battery, more specifically an electrode for a secondary battery, comprising a current collector; an electrode active material layer formed on at least one surface or the whole outer surface of the current collector; a conductive material-coating layer formed on the top surface of the electrode active material layer and comprising a conductive material and a first polymer binder; and a porous coating layer formed on the top surface of the conductive material-coating layer and comprising a second polymer binder. Also, the present invention provides a secondary battery and a cable-type secondary battery comprising the electrode

Abstract translation: 本发明提供一种二次电池用电极，特别是二次电池用电极，其特征在于，具备集电体， 形成在所述集电体的至少一个面或整个外表面上的电极活性物质层; 形成在所述电极活性物质层的顶表面上并包含导电材料和第一聚合物粘合剂的导电材料涂层; 以及形成在所述导电材料涂层的顶表面上并包含第二聚合物粘合剂的多孔涂层。 此外，本发明提供一种二次电池和包括电极的电缆型二次电池

公开(公告)号：US20140212719A1

公开(公告)日：2014-07-31

申请号：US14242942

申请日：2014-04-02

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Sang-Wook Woo ,  Hye-Ran Jung ,  Je-Young Kim

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M4/75 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: Described herein is a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions, which comprises an electrolyte; an inner electrode surrounding the outer surface of the core for supplying lithium ions, and comprising an inner current collector in the form of a pipe having a three-dimensional network structure, the inner current collector being coated with an inner electrode active material on the outer surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer and comprising an outer electrode active material layer and an outer current collector.

Abstract translation: 本文描述的是具有预定形状并纵向延伸的水平横截面的电缆型二次电池，包括：用于提供锂离子的芯，其包含电解质; 围绕所述芯的外表面的内部电极，用于提供锂离子，并且包括具有三维网状结构的管形式的内部集电体，所述内部集电体在外部涂覆有内部电极活性材料 表面 围绕所述内部电极的外表面的分离层，以防止电极之间的短路; 以及围绕分离层的外表面并包括外电极活性材料层和外部集电器的外电极。

公开(公告)号：US20140178727A1

公开(公告)日：2014-06-26

申请号：US14190211

申请日：2014-02-26

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Sung-Kyun Chang ,  Byung-Hun Oh ,  Je-Young Kim ,  Dong-Sub Jung ,  Sang-Wook Woo

IPC: H01M10/04

CPC classification number: H01M10/0422 ,  H01M4/75 ,  H01M6/44 ,  H01M10/0431 ,  H01M10/05 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/058 ,  H01M2300/0082 ,  H01M2300/0094 ,  Y02T10/7011

Abstract: The present invention relates to a cable-type secondary battery comprising a polymer electrolyte having a first electrolyte layer comprising a mixture of a first polymer and a first organic electrolyte solution in a weight ratio of 50:50 and 80:20; and a second electrolyte layer formed on at least one surface of the first electrolyte layer and comprising a mixture of a second polymer and a second organic electrolyte solution in a weight ratio of 20:80 and 50:50. Since the multiple-layered polymer electrode film of the present invention exhibits good characteristics in terms of both mechanical property and ionic conductivity, the cable-type secondary battery comprising the same according to the present invention has superior battery performances and flexibility, as well as good strength for withstanding external impact.

Abstract translation: 本发明涉及一种包含聚合物电解质的电缆型二次电池，其具有包含第一聚合物和第一有机电解质溶液的混合物的第一电解质层，其重量比为50:50至80:20; 以及第二电解质层，形成在所述第一电解质层的至少一个表面上，并且包含重量比为20:80和50:50的第二聚合物和第二有机电解质溶液的混合物。 由于本发明的多层聚合物电极膜在机械性能和离子传导性方面表现出良好的特性，因此根据本发明的包含该电缆的二次电池的电缆型二次电池具有优异的电池性能和柔性，以及良好的 抵抗外部影响的力量。

公开(公告)号：US20140178726A1

公开(公告)日：2014-06-26

申请号：US14178864

申请日：2014-02-12

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Sang-Wook Woo ,  Hye-Ran Jung ,  Je-Young Kim

IPC: H01M10/04

CPC classification number: H01M10/0431 ,  H01M4/66 ,  H01M4/70 ,  H01M4/75 ,  H01M6/44 ,  H01M10/04 ,  H01M10/052 ,  H01M10/058 ,  H01M2004/025 ,  H01M2220/20 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: a core for supplying lithium ions; an inner electrode, comprising a spiral electrode formed by spirally twisting two or more wire-type inner current collectors coated with an inner electrode active material on the surface thereof; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and comprising an outer electrode active material layer and an outer current collector.The core for supplying lithium ions is disposed in the inner electrode, from which the electrolyte of the core for supplying lithium ions can be easily penetrated into an electrode active material, thereby facilitating the supply and exchange of lithium ions.

Abstract translation: 本发明涉及一种具有预定形状并纵向延伸的水平横截面的电缆型二次电池，包括：用于提供锂离子的芯; 内部电极，包括螺旋状电极，其通过在其表面上螺旋状地卷绕涂覆有内部电极活性物质的两根以上的线型内部集电体而形成; 围绕所述内部电极的外表面的分离层，以防止电极之间的短路; 以及包围分离层的外表面的外电极，并且包括外电极活性物质层和外集电体。 用于提供锂离子的核心设置在内部电极中，用于提供锂离子的芯的电解质可以从该电极容易地穿过其中，从而便于锂离子的供应和交换。

公开(公告)号：US20140170453A1

公开(公告)日：2014-06-19

申请号：US14187740

申请日：2014-02-24

Applicant: LG CHEM, LTD.

Inventor： Yo-Han Kwon ,  Byung-Hun Oh ,  Dong-Sub Jung ,  Je-Young Kim

IPC: H01M10/04

CPC classification number: H01M4/13 ,  H01M2/1653 ,  H01M4/134 ,  H01M4/38 ,  H01M4/387 ,  H01M4/622 ,  H01M4/625 ,  H01M4/661 ,  H01M4/663 ,  H01M4/668 ,  H01M4/75 ,  H01M10/04 ,  H01M10/052 ,  H01M10/058

Abstract: The present invention relates to an anode for a secondary battery, comprising: a spiral anode having at least two anode wires which are parallel to each other and spirally twisted, each of the anode wires having an anode active material layer coated on the surface of a wire-type current collector; and a conductive layer formed to surround the spiral anode.The anode active material layer of the spirally-twisted has a thin thickness as compared with a single strand of an anode having the same anode active material. Therefore, Li ions can be easily diffused to enhance battery performance. Also, the anode of the present invention has a conductive layer on the surface thereof to prevent or alleviate the release of an anode active material which is caused by volume expansion during charging and discharging processes, and to solve the isolation of the anode active material.

Abstract translation: 二次电池用阳极技术领域本发明涉及一种二次电池用阳极，其特征在于，包括：螺旋状阳极，具有至少两个彼此平行并且螺旋状扭曲的阳极线，每个所述阳极线具有涂覆在所述阳极的表面上的阳极活性物质层 线式集电器; 以及形成为围绕螺旋阳极的导电层。 与具有相同阳极活性物质的阳极的单股相比，螺旋状扭转的阳极活性物质层具有薄的厚度。 因此，Li离子可以容易地扩散以增强电池性能。 此外，本发明的阳极在其表面上具有导电层，以防止或减轻由充电和放电过程中的体积膨胀引起的阳极活性材料的释放，并解决阳极活性材料的分离。

公开(公告)号：US20140050979A1

公开(公告)日：2014-02-20

申请号：US14041280

申请日：2013-09-30

Applicant: LG Chem, Ltd.

Inventor： Sang-Wook Woo ,  Ki-Tae Kim ,  Yo-Han Kwon

IPC: H01M4/36 ,  H01M4/04

CPC classification number: H01M4/0452 ,  C25D3/30 ,  H01M4/133 ,  H01M4/134 ,  H01M4/139 ,  H01M4/1393 ,  H01M4/366 ,  H01M4/38 ,  H01M4/387 ,  H01M4/587 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

Abstract: The present invention relates to an anode active material for a lithium secondary battery, comprising a carbon material, and a coating layer formed on the surface of particles of the carbon material and having a plurality of Sn-based domains having an average diameter of 1 μm or less. The inventive anode active material having a Sn-based domains coating layer on the surface of a carbon material can surprisingly prevent stress due to volume expansion which generates by an alloy of Sn and lithium. Also, the inventive method for preparing an anode active material can easily control the thickness of the coating layer.

Abstract translation: 本发明涉及一种用于锂二次电池的负极活性材料，其包括碳材料和形成在碳材料颗粒表面上并具有多个平均直径为1μm的Sn基畴的涂层 或更少。 在碳材料表面上具有Sn-型畴涂层的本发明的负极活性材料可以令人惊讶地防止由Sn和锂的合金产生的体积膨胀引起的应力。 此外，本发明的制备负极活性材料的方法可以容易地控制涂层的厚度。

公开(公告)号：US20140011065A1

公开(公告)日：2014-01-09

申请号：US14022773

申请日：2013-09-10

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Sang-Wook Woo ,  Hye-Ran Jung ,  Je-Young Kim ,  Heon-Cheol Shin

IPC: H01M10/04

CPC classification number: H01M10/052 ,  H01M2/0267 ,  H01M2/1653 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/66 ,  H01M4/667 ,  H01M4/75 ,  H01M4/767 ,  H01M4/78 ,  H01M6/44 ,  H01M10/04 ,  H01M10/0431 ,  H01M10/0565 ,  H01M10/058 ,  H01M10/0587 ,  H01M2004/025

Abstract: The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode having an inner current collector and an inner electrode active material layer surrounding the outer surface of the inner current collector; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and an outer electrode surrounding the outer surface of the separation layer, and having an outer electrode active material layer, an open-structured outer current collector and a conductive paste layer.The outer electrode having a conductive paste layer and an open-structured outer current collector according to the present invention has good flexibility to improve the flexibility of a cable-type secondary battery having the same. Also, the conductive paste layer is made of a light material, and thus can contribute to the lightening of the cable-type secondary battery.

Abstract translation: 本发明涉及一种具有预定形状并纵向延伸的水平横截面的电缆型二次电池，包括：具有内部集电器和内部电极活性材料层的内部电极，该内部电极活性材料层围绕内部集电体的外表面 ; 围绕所述内部电极的外表面的分离层，以防止电极之间的短路; 以及包围分离层的外表面的外电极，具有外电极活性物质层，开放结构的外部集电体和导电膏层。 根据本发明的具有导电浆料层和开放结构的外部集电器的外部电极具有良好的灵活性，以提高具有该外部电极的电缆型二次电池的柔性。 此外，导电浆料层由轻质材料制成，因此有助于电缆型二次电池的照明。

公开(公告)号：US20130344368A1

公开(公告)日：2013-12-26

申请号：US13966619

申请日：2013-08-14

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Je-Young Kim ,  Hyung-Ju Ahn

IPC: H01M10/50

CPC classification number: H01M10/504 ,  H01M2/0277 ,  H01M2/028 ,  H01M2/0285 ,  H01M4/78 ,  H01M10/04 ,  H01M10/0477 ,  H01M10/625 ,  H01M10/643 ,  H01M10/653 ,  H01M10/6554 ,  H01M10/658 ,  H01M2220/20

Abstract: A cable-type secondary battery is provided. The cable-type secondary battery includes an electrode assembly and a covering capable of surrounding the electrode assembly. The electrode assembly includes a first polarity electrode, a second polarity electrode, and a separator or an electrolyte layer interposed between the two electrodes. Each of the electrodes has an elongated shape and a structure in which an electrode active material is applied to the surface of a current collector whose shape in cross section orthogonal to the lengthwise direction thereof is circular, elliptical or polygonal. The covering includes a thermally conductive cover member as an upper half part and a thermally insulating cover member as a lower half part. The upper half part and the lower half part are divided by a horizontal plane passing the center of the cross section orthogonal to the lengthwise direction of the cable-type secondary battery.

Abstract translation: 提供电缆式二次电池。 电缆型二次电池包括电极组件和能够围绕电极组件的覆盖物。 电极组件包括第一极性电极，第二极性电极和插入在两个电极之间的隔膜或电解质层。 每个电极具有细长形状和其中电极活性材料被施加到集电器的表面的结构，该集电器的形状与其长度方向正交的截面为圆形，椭圆形或多边形。 覆盖物包括作为上半部分的导热盖构件和作为下半部分的隔热盖构件。 上半部分和下半部分被通过与电缆型二次电池的长度方向正交的横截面的中心的水平面划分。

公开(公告)号：US20130295425A1

公开(公告)日：2013-11-07

申请号：US13937517

申请日：2013-07-09

Applicant: LG CHEM, LTD.

Inventor： Yo-Han Kwon ,  Sang-Wook Woo ,  Hye-Ran Jung ,  Je-Young Kim

IPC: H01M4/70

CPC classification number: H01M4/70 ,  H01M2/1653 ,  H01M2/166 ,  H01M2/204 ,  H01M2/30 ,  H01M4/66 ,  H01M4/78 ,  H01M10/04 ,  H01M10/0422 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0587 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: The present invention relates to a cable-type secondary battery having a horizontal cross section of a predetermined shape and extending longitudinally, comprising: an inner electrode comprising a wire-type inner current collector having a first metal tap formed to be extended in a predetermined length at one end thereof, and an inner electrode active material layer formed on the surface of the inner current collector; a separator layer formed on the outer surface of the inner electrode active material layer; and an outer electrode formed on the outer surface of the separator layer, and comprising an outer electrode active material layer and an outer current collector having a second metal tap formed to be extended in a predetermined length at one end thereof.

Abstract translation: 本发明涉及具有预定形状并纵向延伸的水平横截面的电缆型二次电池，其包括：内电极，其包括线型内部集电器，该线性内部集电器具有形成为以预定长度延伸的第一金属抽头 在其一端形成有内部电极活性物质层，形成在内部集电体的表面上; 分隔层，形成在所述内部电极活性物质层的外表面上; 以及形成在所述隔离层的外表面上的外电极，并且包括外电极活性物质层和外部集电体，所述外电极活性物质层和外部集电体具有形成为在其一端以预定长度延伸的第二金属抽头。

公开(公告)号：US10403863B2

公开(公告)日：2019-09-03

申请号：US14191608

申请日：2014-02-27

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Je-Young Kim ,  Sang-Hun Kim ,  Sang-Wook Woo

IPC: H01M2/02 ,  H01M4/66 ,  H01M4/75 ,  H01M10/04 ,  H01M10/052

Abstract: The present invention relates to a packaging for a cable-type secondary battery extending longitudinally, comprising: a hollow metal foil layer; a first polymer resin layer formed on one surface of the metal foil layer; and a second polymer resin layer formed on the other surface of the metal foil layer, and a cable-type secondary battery comprising the packaging.The packaging of the present invention comprises a metal foil layer to prevent the contamination of an electrolyte in the cable-type battery and prevent the deterioration of battery performances, and also maintain the mechanical strength of the cable-type battery.