公开(公告)号：US09276259B2

公开(公告)日：2016-03-01

申请号：US14228879

申请日：2014-03-28

Applicant: LG Chem, Ltd.

Inventor： Sung Kyun Chang ,  Seo-Jae Lee ,  Sanghoon Choy ,  Euiyong Bang ,  Minchul Jang ,  Ki-Young Lee

IPC: H01M4/02 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/485 ,  H01M4/131

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

Abstract: Provided is a lithium secondary battery having improved discharge characteristics in a range of high-rate discharge while minimizing a dead volume and at the same time, having increased cell capacity via increased electrode density and electrode loading amounts, by inclusion of two or more active materials having different redox levels so as to exert superior discharge characteristics in the range of high-rate discharge via sequential action of cathode active materials in a discharge process, and preferably having different particle diameters.

公开(公告)号：US10608220B2

公开(公告)日：2020-03-31

申请号：US15757476

申请日：2016-08-23

Applicant: LG CHEM, LTD.

Inventor： Ki-Young Lee

IPC: H01M2/10 ,  H01M10/42 ,  H01M10/48 ,  B60L58/10 ,  A62D1/00 ,  B60L3/00 ,  B60L3/04 ,  H01M2/02 ,  H01M10/0525

Abstract: Provided are a battery pack and a control method using the same, the battery pack having improved safety so as to prevent fire or prevent fire from spreading even if ignited, thereby reducing the risks which can occur during ignition. The battery pack, according to the present invention, comprises: an electrode assembly comprising an anode, a cathode, and a separator; and a single cell or a plurality of cells having a pouch-shaped battery case for accommodating the electrode assembly, wherein the cell is accommodated and stacked by the module case, the module case comprises a fire suppression agent or a fire extinguishing agent at the inner or outer part thereof such that the fire suppression agent or the fire extinguishing agent is automatically discharged from the module case when cell swelling occurs.

公开(公告)号：US20140242464A1

公开(公告)日：2014-08-28

申请号：US14228879

申请日：2014-03-28

Applicant: LG Chem, Ltd.

Inventor： Sung Kyun Chang ,  Seo-Jae Lee ,  Sanghoon Choy ,  Euiyong Bang ,  Minchul Jang ,  Ki-Young Lee

IPC: H01M4/36 ,  H01M4/485

CPC classification number: H01M4/364 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

Abstract: Provided is a lithium secondary battery having improved discharge characteristics in a range of high-rate discharge while minimizing a dead volume and at the same time, having increased cell capacity via increased electrode density and electrode loading amounts, by inclusion of two or more active materials having different redox levels so as to exert superior discharge characteristics in the range of high-rate discharge via sequential action of cathode active materials in a discharge process, and preferably having different particle diameters.

Abstract translation: 本发明提供一种锂二次电池，其在高速率放电的范围内具有改善的放电特性，同时使死体积最小化，同时，通过增加电极密度和电极负载量，通过包含两种或更多种活性材料 具有不同的氧化还原电位，从而在放电过程中通过阴极活性材料的顺序作用，并且优选具有不同的粒径，在高倍率放电的范围内发挥优异的放电特性。

公开(公告)号：US11043774B2

公开(公告)日：2021-06-22

申请号：US16757842

申请日：2019-02-27

Applicant: LG Chem, Ltd.

Inventor： Dong-Wan Ko ,  Ki-Young Lee

IPC: H01R13/648 ,  H01R12/57 ,  H01R13/10 ,  H01R13/04 ,  H01R13/629 ,  H01R107/00 ,  H01R13/53

Abstract: A male connector, which is connected to or disconnected from a female connector, and includes a male connector housing, male connector pins disposed in an inner space of the male connector housing, and a ground connection member having one side connected to the male connector pins and the other side connected to an inner wall of the male connector housing, wherein the ground connection member is provided in plural, and wherein the plurality of ground connection members are respectively connected to the male connector pins in one-to-one relationship and are detachably connected to the male connector pins, respectively, at positions spaced from front ends of the male connector pins by predetermined distances such that the plurality of ground connection members are separated in sequence from the male connector pin by the female connector according to a depth by which the female connector is inserted into the male connector housing.

公开(公告)号：US20210083431A1

公开(公告)日：2021-03-18

申请号：US16757842

申请日：2019-02-27

Applicant: LG Chem, Ltd.

Inventor： Dong-Wan Ko ,  Ki-Young Lee

IPC: H01R13/648 ,  H01R12/57 ,  H01R13/629 ,  H01R13/10 ,  H01R13/04

Abstract: A male connector, which is connected to or disconnected from a female connector, and includes a male connector housing, male connector pins disposed in an inner space of the male connector housing, and a ground connection member having one side connected to the male connector pins and the other side connected to an inner wall of the male connector housing, wherein the ground connection member is provided in plural, and wherein the plurality of ground connection members are respectively connected to the male connector pins in one-to-one relationship and are detachably connected to the male connector pins, respectively, at positions spaced from front ends of the male connector pins by predetermined distances such that the plurality of ground connection members are separated in sequence from the male connector pin by the female connector according to a depth by which the female connector is inserted into the male connector housing.

公开(公告)号：US10651438B2

公开(公告)日：2020-05-12

申请号：US15757476

申请日：2016-08-23

Applicant: LG CHEM, LTD.

Inventor： Ki-Young Lee

IPC: H01M2/10 ,  H01M10/42 ,  H01M10/48 ,  B60L58/10 ,  A62D1/00 ,  B60L3/00 ,  B60L3/04 ,  H01M2/02 ,  H01M10/0525

Abstract: Provided are a battery pack and a control method using the same, the battery pack having improved safety so as to prevent fire or prevent fire from spreading even if ignited, thereby reducing the risks which can occur during ignition. The battery pack, according to the present invention, comprises: an electrode assembly comprising an anode, a cathode, and a separator; and a single cell or a plurality of cells having a pouch-shaped battery case for accommodating the electrode assembly, wherein the cell is accommodated and stacked by the module case, the module case comprises a fire suppression agent or a fire extinguishing agent at the inner or outer part thereof such that the fire suppression agent or the fire extinguishing agent is automatically discharged from the module case when cell swelling occurs.