公开(公告)号：US09660289B2

公开(公告)日：2017-05-23

申请号：US14484472

申请日：2014-09-12

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Hye-Ran Jung ,  Eun-Kyung Kim ,  Je-Young Kim ,  In-Chul Kim ,  Hyo-Mi Kim

IPC: H01M4/00 ,  H01M10/04 ,  H01M2/14 ,  H01M4/02 ,  H01M4/13 ,  H01M4/64 ,  H01M10/052 ,  H01M10/058 ,  H01M4/66 ,  H01M4/78 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0569 ,  H01M4/04 ,  H01M4/131 ,  H01M4/36 ,  H01M4/62 ,  H01M4/80 ,  H01M10/0525

CPC classification number: H01M10/0422 ,  H01M2/14 ,  H01M4/02 ,  H01M4/0409 ,  H01M4/0416 ,  H01M4/043 ,  H01M4/13 ,  H01M4/131 ,  H01M4/366 ,  H01M4/622 ,  H01M4/623 ,  H01M4/64 ,  H01M4/661 ,  H01M4/662 ,  H01M4/663 ,  H01M4/664 ,  H01M4/667 ,  H01M4/669 ,  H01M4/78 ,  H01M4/80 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/058 ,  Y02E60/122 ,  Y02T10/7011

Abstract: A sheet-form electrode for a secondary battery includes a current collector, an electrode active material layer formed on one surface of the current collector, a porous polymer layer formed on the electrode active material layer, and a first porous supporting layer formed on the porous polymer layer. The sheet-form electrode can have supporting layers on at least one of the surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery.

公开(公告)号：US09419276B2

公开(公告)日：2016-08-16

申请号：US14331385

申请日：2014-07-15

Applicant: LG Chem, Ltd.

Inventor： Yong-Ju Lee ,  Yoon-Ah Kang ,  Mi-Rim Lee ,  Je-Young Kim ,  Hye-Ran Jung

IPC: H01M4/02 ,  H01M4/36 ,  H01M4/134 ,  H01M4/38 ,  H01M4/04 ,  H01M4/131 ,  H01M4/133 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/485 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0525

CPC classification number: H01M4/366 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/405 ,  H01M4/48 ,  H01M4/485 ,  H01M4/587 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54

Abstract: The present disclosure relates to an anode active material comprising a composite of a core-shell structure, a lithium secondary battery comprising the same, and a method of manufacturing the anode active material. According to an aspect of the present disclosure, there is provided an anode active material of a core-shell structure comprising a core including alloyed (quasi)metal oxide-Li (MOx—Liy) and a shell including a carbon material coated on a surface of the core. According to another aspect of the present disclosure, there is provided a method of manufacturing the anode active material of the core-shell structure. According to an aspect of the present disclosure, an anode active material with high capacity, excellent cycle characteristics and volume expansion control capacity, and high initial efficiency is provided.

Abstract translation: 本公开涉及一种负极活性物质，其包含核 - 壳结构的复合物，包含该复合物的锂二次电池和制造阳极活性物质的方法。 根据本公开的一个方面，提供了一种核 - 壳结构的负极活性材料，其包括包含合金（准）金属氧化物-Li（MOx-Liy）的核和包含涂覆在表面上的碳材料的壳 的核心。 根据本公开的另一方面，提供了制造核 - 壳结构的负极活性材料的方法。 根据本公开的一个方面，提供了具有高容量，优异的循环特性和体积膨胀控制能力以及高初始效率的负极活性材料。

公开(公告)号：US09413030B2

公开(公告)日：2016-08-09

申请号：US14925188

申请日：2015-10-28

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Hyo-Mi Kim ,  Je-Young Kim ,  Hye-Ran Jung

IPC: H01M10/04 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2/18 ,  H01M4/13 ,  H01M4/76 ,  H01M4/75 ,  H01M2/16 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/136 ,  H01M4/66

CPC classification number: H01M10/0431 ,  H01M2/1606 ,  H01M2/18 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/136 ,  H01M4/661 ,  H01M4/662 ,  H01M4/663 ,  H01M4/666 ,  H01M4/668 ,  H01M4/669 ,  H01M4/75 ,  H01M4/765 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0025 ,  H01M2300/0085 ,  Y02E60/122

Abstract: Provided is a cable-type secondary battery extending longitudinally including a lithium ion supplying core comprising an electrolyte, an inner electrode support of a hollow structure formed to surround an outer surface of the lithium ion supplying core, an inner electrode formed on a surface of the inner electrode support and including an inner current collector and an inner electrode active material, a separation layer formed to surround an outer surface of the inner electrode to prevent a short circuit between electrodes, and an outer electrode formed to surround an outer surface of the separation layer and including an outer electrode active material layer and an outer current collector.

公开(公告)号：US09299989B2

公开(公告)日：2016-03-29

申请号：US14484401

申请日：2014-09-12

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Hye-Ran Jung ,  Eun-Kyung Kim ,  Je-Young Kim ,  Hyo-Mi Kim

IPC: H01M4/78 ,  H01M4/13 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0569 ,  H01M4/62 ,  H01M4/75 ,  H01M10/0587 ,  H01M4/74 ,  H01M10/052 ,  H01M4/66

CPC classification number: H01M10/0431 ,  H01M2/1673 ,  H01M2/18 ,  H01M4/13 ,  H01M4/366 ,  H01M4/525 ,  H01M4/587 ,  H01M4/62 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M4/626 ,  H01M4/661 ,  H01M4/662 ,  H01M4/667 ,  H01M4/668 ,  H01M4/70 ,  H01M4/742 ,  H01M4/75 ,  H01M4/78 ,  H01M10/0422 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0587 ,  H01M10/125 ,  H01M10/286 ,  H01M2004/025 ,  H01M2220/20 ,  H01M2300/004 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; and a sheet-form outer electrode spirally wound to surround the separation layer or the inner electrode.

公开(公告)号：US20150244018A1

公开(公告)日：2015-08-27

申请号：US14706526

申请日：2015-05-07

Applicant: LG Chem, Ltd.

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

IPC: H01M10/04 ,  H01M4/74 ,  H01M4/76 ,  H01M4/66 ,  H01M10/0564 ,  H01M10/0565 ,  H01M4/38 ,  H01M4/48 ,  H01M4/42 ,  H01M4/46 ,  H01M4/44 ,  H01M4/40 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M4/583 ,  H01M4/58 ,  H01M4/75

CPC classification number: H01M10/0431 ,  H01M2/1686 ,  H01M4/38 ,  H01M4/382 ,  H01M4/386 ,  H01M4/387 ,  H01M4/405 ,  H01M4/42 ,  H01M4/44 ,  H01M4/466 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/583 ,  H01M4/66 ,  H01M4/661 ,  H01M4/662 ,  H01M4/663 ,  H01M4/668 ,  H01M4/669 ,  H01M4/70 ,  H01M4/74 ,  H01M4/75 ,  H01M4/765 ,  H01M6/44 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0564 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/0569 ,  H01M10/058 ,  H01M2004/025 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0017 ,  H01M2300/0082 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Disclosed 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, comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, an inner electrode active material layer formed on the surface of the inner current collector, and a first electrolyte-absorbing layer formed on the outer surface of the inner electrode active material layer; a separation layer surrounding the outer surface of the inner electrode to prevent a short circuit between electrodes; a second electrolyte-absorbing layer formed on the surface of the separator; and an outer electrode surrounding the outer surface of the second electrolyte-absorbing layer and comprising an outer electrode active material layer and an outer current collector.

Abstract translation: 本文公开了具有预定形状的水平横截面并且纵向延伸的电缆型二次电池，包括：用于提供锂离子的芯，其包含电解质; 内部电极，包括围绕用于提供锂离子的芯的外表面的开放式内部集电体，形成在内部集电体的表面上的内部电极活性物质层和形成在内部集电体的第一电解质吸收层 内部电极活性物质层的外表面; 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; 形成在隔膜表面上的第二电解液吸收层; 以及包围第二电解质吸收层的外表面并包括外电极活性物质层和外部集电体的外电极。

公开(公告)号：US09083060B2

公开(公告)日：2015-07-14

申请号：US14479821

申请日：2014-09-08

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Byung-Hun Oh ,  Hye-Ran Jung ,  Je-Young Kim

IPC: H01M10/0587 ,  H01M2/14 ,  H01M4/02 ,  H01M4/13 ,  H01M4/64 ,  H01M10/058 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2/16 ,  H01M4/485 ,  H01M4/62 ,  H01M4/66 ,  H01M4/74 ,  H01M10/04 ,  H01M10/12 ,  H01M10/28 ,  H01M10/0568

CPC classification number: H01M10/0587 ,  H01M2/02 ,  H01M2/14 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/02 ,  H01M4/13 ,  H01M4/485 ,  H01M4/622 ,  H01M4/623 ,  H01M4/624 ,  H01M4/625 ,  H01M4/64 ,  H01M4/66 ,  H01M4/667 ,  H01M4/70 ,  H01M4/74 ,  H01M10/04 ,  H01M10/0422 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/125 ,  H01M10/286 ,  H01M2002/0205 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0037 ,  H01M2300/0082 ,  H01M2300/0085 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49115

Abstract: The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; and a sheet-form laminate of separation layer-outer electrode, spirally wound to surround the outer surface of the inner electrode, the laminate being formed by carrying out compression for the integration of a separation layer for preventing a short circuit, and an outer electrode.According to the present disclosure, the electrodes and the separation layer are compressed and integrated to minimize ununiform spaces between the separation layer and the outer electrode and reduce the thickness of a battery to be prepared, thereby decreasing resistance and improving ionic conductivity within the battery. Also, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery.

公开(公告)号：US09077048B2

公开(公告)日：2015-07-07

申请号：US14483318

申请日：2014-09-11

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Byung-Hun Oh ,  Hye-Ran Jung ,  Je-Young Kim

IPC: H01M10/0587 ,  H01M2/14 ,  H01M4/02 ,  H01M4/13 ,  H01M4/70 ,  H01M10/058 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/28 ,  H01M10/12 ,  H01M10/04 ,  H01M10/0568

CPC classification number: H01M10/0587 ,  H01M2/14 ,  H01M2/1653 ,  H01M2/1673 ,  H01M2/18 ,  H01M4/02 ,  H01M4/13 ,  H01M4/366 ,  H01M4/622 ,  H01M4/626 ,  H01M4/70 ,  H01M4/75 ,  H01M10/04 ,  H01M10/0422 ,  H01M10/0431 ,  H01M10/0436 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/125 ,  H01M10/286 ,  H01M2220/30 ,  H01M2300/0028 ,  H01M2300/0082 ,  Y02E60/122

Abstract: The present disclosure provides a cable-type secondary battery, comprising: an inner electrode supporter; and a sheet-form laminate of inner electrode-separation layer-outer electrode, spirally wound on the outer surface of the inner electrode supporter, wherein the laminate of inner electrode-separation layer-outer electrode is formed by carrying out compression for the integration of an inner electrode, a separation layer for preventing a short circuit, and an outer electrode. In the cable-type secondary battery of the present disclosure, since the electrodes and the separation layer are adhered to each other and integrated, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery.

公开(公告)号：US09065143B2

公开(公告)日：2015-06-23

申请号：US14477317

申请日：2014-09-04

Applicant: LG Chem, Ltd.

Inventor： Yo-han Kwon ,  Hye-Ran Jung ,  Eun-Kyung Kim ,  Je-Young Kim ,  Hyo-Mi Kim

IPC: H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M10/04 ,  H01M10/0565 ,  H01M4/02 ,  H01M4/13 ,  H01M4/64 ,  H01M10/052 ,  H01M10/058 ,  H01M4/04 ,  H01M4/38 ,  H01M4/42 ,  H01M4/44 ,  H01M4/46 ,  H01M4/485 ,  H01M4/525 ,  H01M4/58 ,  H01M4/587 ,  H01M4/66

CPC classification number: H01M10/0422 ,  H01M2/162 ,  H01M2/1653 ,  H01M4/02 ,  H01M4/0404 ,  H01M4/0409 ,  H01M4/043 ,  H01M4/13 ,  H01M4/139 ,  H01M4/381 ,  H01M4/382 ,  H01M4/386 ,  H01M4/387 ,  H01M4/42 ,  H01M4/44 ,  H01M4/466 ,  H01M4/485 ,  H01M4/525 ,  H01M4/581 ,  H01M4/587 ,  H01M4/621 ,  H01M4/623 ,  H01M4/624 ,  H01M4/625 ,  H01M4/64 ,  H01M4/661 ,  H01M4/662 ,  H01M4/663 ,  H01M4/667 ,  H01M4/668 ,  H01M4/669 ,  H01M4/70 ,  H01M4/74 ,  H01M4/75 ,  H01M4/78 ,  H01M10/04 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/058 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0085 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011

Abstract: A sheet-form electrode for a secondary battery, includes a current collector; an electrode active material layer formed on one surface of the current collector; a conductive layer formed on the electrode active material layer and including a conductive material and a binder; and a first porous supporting layer formed on the conductive layer. The sheet-form electrode for a secondary battery has supporting layers on at least one surfaces thereof to exhibit surprisingly improved flexibility and prevent the release of the electrode active material layer from a current collector even if intense external forces are applied to the electrode, thereby preventing the decrease of battery capacity and improving the cycle life characteristic of the battery.

Abstract translation: 一种用于二次电池的片状电极，包括集电器; 形成在集电体的一个面上的电极活性物质层; 形成在所述电极活性物质层上并且包括导电材料和粘合剂的导电层; 以及形成在导电层上的第一多孔支撑层。 用于二次电池的片状电极在其至少一个表面上具有支撑层，以呈现令人惊奇的改善的柔性，并且即使对电极施加强烈的外力也防止电极活性材料层从集电体释放，从而防止 电池容量的降低和电池的循环寿命特性的提高。

公开(公告)号：US09040189B2

公开(公告)日：2015-05-26

申请号：US14479856

申请日：2014-09-08

Applicant: LG Chem, Ltd.

Inventor： Yo-Han Kwon ,  Byung-Hun Oh ,  Hye-Ran Jung ,  Je-Young Kim

IPC: H01M6/10 ,  H01M10/0587 ,  H01M2/14 ,  H01M4/02 ,  H01M4/13 ,  H01M4/64 ,  H01M10/04 ,  H01M10/058 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2/16 ,  H01M4/485 ,  H01M4/62 ,  H01M4/66 ,  H01M4/74

CPC classification number: H01M10/0587 ,  H01M2/02 ,  H01M2/14 ,  H01M2/1653 ,  H01M2/1686 ,  H01M4/02 ,  H01M4/13 ,  H01M4/485 ,  H01M4/622 ,  H01M4/623 ,  H01M4/624 ,  H01M4/625 ,  H01M4/64 ,  H01M4/66 ,  H01M4/667 ,  H01M4/70 ,  H01M4/74 ,  H01M10/04 ,  H01M10/0422 ,  H01M10/0431 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/125 ,  H01M10/286 ,  H01M2002/0205 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0037 ,  H01M2300/0082 ,  H01M2300/0085 ,  Y02E60/122 ,  Y02P70/54 ,  Y02T10/7011 ,  Y10T29/49115

Abstract: The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; and a sheet-form laminate of separation layer-outer electrode, spirally wound to surround the outer surface of the inner electrode, the laminate being formed by carrying out compression for the integration of a separation layer for preventing a short circuit, and an outer electrode.According to the present disclosure, the electrodes and the separation layer are compressed and integrated to minimize ununiform spaces between the separation layer and the outer electrode and reduce the thickness of a battery to be prepared, thereby decreasing resistance and improving ionic conductivity within the battery. Also, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery.

公开(公告)号：US20150104685A1

公开(公告)日：2015-04-16

申请号：US14533644

申请日：2014-11-05

Applicant: LG Chem, Ltd.

Inventor： Yo-han Kwon ,  Sang-Wook Woo ,  Hye-Ran Jung ,  Je-Young Kim ,  In-Chul Kim

IPC: H01M10/04 ,  H01M4/74 ,  H01M4/66 ,  H01M10/052 ,  H01M10/0564 ,  H01M10/0565 ,  H01M10/0569 ,  H01M4/38 ,  H01M4/40 ,  H01M4/42 ,  H01M4/44 ,  H01M4/46 ,  H01M4/48 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/75

CPC classification number: H01M10/0431 ,  H01M2/1653 ,  H01M4/13 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/405 ,  H01M4/42 ,  H01M4/44 ,  H01M4/466 ,  H01M4/48 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/66 ,  H01M4/661 ,  H01M4/662 ,  H01M4/663 ,  H01M4/668 ,  H01M4/74 ,  H01M4/75 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0564 ,  H01M10/0565 ,  H01M10/0566 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/0587 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0017 ,  H01M2300/0028 ,  H01M2300/0082 ,  Y02E60/122 ,  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, which comprises an electrolyte; an inner electrode, comprising an open-structured inner current collector surrounding the outer surface of the core for supplying lithium ions, an inner electrode active material layer formed on the surface of the inner current collector, and an electrolyte-absorbing layer formed on the outer surface of the inner electrode active material layer; 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: 本发明涉及具有预定形状的水平横截面并且纵向延伸的电缆型二次电池，其包括：用于提供锂离子的芯，其包括电解质; 内部电极，包括围绕用于提供锂离子的芯的外表面的开放式内部集电体，形成在内部集电体的表面上的内部电极活性物质层和形成在外部的电解质吸收层 内电极活性物质层的表面; 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。