公开(公告)号：US11264618B2

公开(公告)日：2022-03-01

申请号：US16568947

申请日：2019-09-12

Applicant: LG Chem, Ltd.

Inventor： Yong-Hee Lee ,  Dong-Hyeon Kang ,  In-Sung Uhm ,  Sung-Joong Kang ,  Min-Chul Jang ,  Byoung-Kuk Son ,  Dong-Chan Lee

IPC: H01M4/74 ,  H01M4/75 ,  H01M4/78 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0587

Abstract: A lithium metal electrode includes a current collector having a surface irregularity structure, a lithium metal layer disposed outside of the surface irregularity structure except the uppermost surface of the surface irregularity structure in the current collector, an electron-insulating protective layer disposed outside of the lithium metal layer, and a lithium ion-isolating layer disposed (1) on the uppermost surface of the surface irregularity structure of the current collector, or (2) on the uppermost surface of the surface irregularity structure of the current collector, on the uppermost surface of the lithium metal layer, and on the uppermost surface of the electron-insulating protective layer, wherein the electron-insulating protective layer includes a non-porous layer transporting lithium ions and having no pores, and a polymer porous layer disposed outside thereof. A lithium secondary battery and flexible secondary battery including the lithium metal electrode are also provided.

公开(公告)号：US09673443B2

公开(公告)日：2017-06-06

申请号：US14440539

申请日：2014-09-03

Applicant: LG CHEM, LTD.

Inventor： Byoung-Kuk Son ,  Min-Chul Jang ,  Min-Seo Kim ,  Da-Young Sung ,  Seong-Ho Lee

IPC: H01M4/131 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M4/80 ,  H01M10/052 ,  H01M4/136 ,  H01M4/76 ,  H01M4/134 ,  H01M4/66 ,  H01M4/02 ,  H01M4/38

CPC classification number: H01M4/131 ,  H01M4/134 ,  H01M4/136 ,  H01M4/382 ,  H01M4/661 ,  H01M4/762 ,  H01M4/80 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025 ,  H01M2300/0028 ,  Y02T10/7011

Abstract: The present disclosure relates to a lithium electrode, comprising a porous metallic current collector; and lithium metal inserted into pores present in the metallic current collector. The lithium electrode according to the present disclosure can increase contact surface between lithium metal and a current collector to improve the performances of a lithium secondary battery, and can exhibit uniform electron distribution therein to prevent the growth of lithium dendrites during the operation of a lithium secondary battery, thereby improving the safety of a lithium secondary battery.

公开(公告)号：US10361470B2

公开(公告)日：2019-07-23

申请号：US15548372

申请日：2016-02-04

Applicant: LG CHEM, LTD.

Inventor： Ki-Young Kwon ,  Da-Young Sung ,  Young-Jin Yi ,  Min-Chul Jang ,  Byoung-Hyo Jung ,  Ye-Hoon Im ,  Doo-Kyung Yang

IPC: H01M10/50 ,  H01M10/658 ,  H01M10/615 ,  H01M10/625 ,  H01M10/627 ,  H01M10/63 ,  H01M10/6554 ,  H01M2/02 ,  H01M10/48 ,  H01M2/10 ,  H01M10/0562 ,  H01M10/0525 ,  H01M10/052 ,  H01M10/647

Abstract: A cartridge having a novel structure for guaranteeing stable operational performance of a secondary battery that operates at a high temperature or has improved performance at a high temperature, and a battery module including the cartridge is provided. The battery module includes at least one secondary battery; and a cartridge receiving at least a portion of the secondary battery and configured to be stacked in at least one direction, the cartridge including a heat insulating member.

公开(公告)号：US09577240B2

公开(公告)日：2017-02-21

申请号：US13959381

申请日：2013-08-05

Applicant: LG CHEM, LTD.

Inventor： Jun-Seok Choi ,  Jin-Kyu Lee ,  Tae-Hwan Roh ,  Seung-Don Choi ,  Seong-Tae Kim ,  Tae-Hyuck Kim ,  Jung-Hoon Yang ,  Min-Chul Jang ,  In-Cheol Shin ,  Dal-Mo Kang

IPC: H01M2/34 ,  H01M2/30 ,  H01M2/20 ,  H01M2/10 ,  H01M10/647 ,  H01M10/6557

CPC classification number: H01M2/34 ,  H01M2/1016 ,  H01M2/1061 ,  H01M2/202 ,  H01M2/204 ,  H01M2/30 ,  H01M2/348 ,  H01M10/647 ,  H01M10/6557 ,  H01M2200/103

Abstract: Disclosed is a battery module capable of ensuring safety in use by breaking a bus bar when an overcurrent flows at the battery module. The battery module includes at least one unit cell, a case for accommodating the unit cell, and a bus bar electrically connected to the unit cell, wherein the bus bar includes a first metal plate, a second metal plate spaced apart from the first metal plate, and a metal bridge configured to connect the first metal plate and the second metal plate and having a lower melting point than the metal plate.

Abstract translation: 公开了一种电池模块，其能够在电池模块的过电流流动时通过断开母线来确保使用中的安全性。 电池模块包括至少一个单元电池，用于容纳单位电池的壳体和电连接到该单元电池的母线，其中母线包括第一金属板，与第一金属板间隔开的第二金属板 以及配置为连接第一金属板和第二金属板并且具有比金属板低的熔点的金属桥。

公开(公告)号：US20150295246A1

公开(公告)日：2015-10-15

申请号：US14440455

申请日：2014-09-03

Applicant: LG CHEM, LTD.

Inventor： Byoung-Kuk Son ,  Min-Chul Jang ,  Yu-Mi Kim ,  Gi-Su Park

IPC: H01M4/62 ,  H01M4/66 ,  H01M4/74 ,  H01M4/485 ,  H01M4/525 ,  H01M2/02 ,  H01M4/58 ,  H01M2/16 ,  H01M10/0569 ,  H01M10/0568 ,  H01M10/052 ,  H01M4/80 ,  H01M4/505

CPC classification number: H01M4/628 ,  H01M2/0217 ,  H01M2/022 ,  H01M2/0222 ,  H01M2/024 ,  H01M2/162 ,  H01M4/134 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/661 ,  H01M4/662 ,  H01M4/74 ,  H01M4/762 ,  H01M4/80 ,  H01M4/808 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0028 ,  H01M2300/0034 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure relates to a lithium electrode, comprising an electrode composite comprising a porous metallic current collector, and lithium metal inserted into pores present in the metallic current collector; and a protective membrane for lithium ion conduction, the protective membrane being formed on at least one surface of the electrode composite.The lithium electrode according to the present disclosure can increase contact surface between lithium metal and a current collector to improve the performances of a lithium secondary battery, and can exhibit uniform electron distribution therein to prevent the growth of lithium dendrites during the operation of a lithium secondary battery, thereby improving the safety of a lithium secondary battery. Furthermore, even though the lithium electrode is coated with a protective membrane for lithium ion conduction on the surface thereof, the protective membrane can be prevented from being peeled off during the charge and discharge of a lithium secondary battery.

Abstract translation: 本发明涉及锂电极，其包括包含多孔金属集电体的电极复合体和插入存在于金属集流体中的孔中的锂金属; 以及用于锂离子传导的保护膜，所述保护膜形成在所述电极复合体的至少一个表面上。 根据本公开的锂电极可以增加锂金属和集电体之间的接触表面，以提高锂二次电池的性能，并且可以显示均匀的电子分布，以防止在锂二次电池的操作期间锂枝晶的生长 电池，从而提高锂二次电池的安全性。 此外，即使锂电极在其表面上涂覆有用于锂离子传导的保护膜，也可以防止在锂二次电池的充放电期间保护膜被剥离。

公开(公告)号：US11223037B2

公开(公告)日：2022-01-11

申请号：US16606389

申请日：2018-08-31

Applicant: LG CHEM, LTD.

Inventor： Jung-Hun Choi ,  Dong-Hyeon Kang ,  Sung-Joong Kang ,  Byoung-Kuk Son ,  In-Sung Uhm ,  Dong-Chan Lee ,  Yong-Hee Lee ,  Min-Chul Jang

IPC: H01M4/139 ,  H01M4/04 ,  H01M4/62 ,  H01M4/75 ,  H01M10/04 ,  H01M10/052 ,  H01M10/0587 ,  H01M4/02

Abstract: A method for manufacturing an anode for a cable-type secondary battery, includes forming a lithium-containing electrode layer on the outer surface of a wire-type current collector; and surrounding the outer surface of the lithium-containing electrode layer with a substrate for forming a polymer layer spirally, and pressing the outside of the substrate for forming a polymer layer to form a polymer layer on the lithium-containing electrode layer, wherein the polymer layer includes a hydrophobic polymer, an ion conductive polymer, and a binder for binding the hydrophobic polymer and the ion conductive polymer with each other. An anode obtained from the method and a cable-type secondary battery including the anode are also provided.

公开(公告)号：US20200006779A1

公开(公告)日：2020-01-02

申请号：US16568947

申请日：2019-09-12

Applicant: LG Chem, Ltd.

Inventor： Yong-Hee Lee ,  Dong-Hyeon Kang ,  In-Sung Uhm ,  Sung-Joong Kang ,  Min-Chul Jang ,  Byoung-Kuk Son ,  Dong-Chan Lee

IPC: H01M4/74 ,  H01M4/75 ,  H01M4/78 ,  H01M10/0525 ,  H01M10/04 ,  H01M10/0587

Abstract: A lithium metal electrode includes a current collector having a surface irregularity structure, a lithium metal layer disposed outside of the surface irregularity structure except the uppermost surface of the surface irregularity structure in the current collector, an electron-insulating protective layer disposed outside of the lithium metal layer, and a lithium ion-isolating layer disposed (1) on the uppermost surface of the surface irregularity structure of the current collector, or (2) on the uppermost surface of the surface irregularity structure of the current collector, on the uppermost surface of the lithium metal layer, and on the uppermost surface of the electron-insulating protective layer, wherein the electron-insulating protective layer includes a non-porous layer transporting lithium ions and having no pores, and a polymer porous layer disposed outside thereof. A lithium secondary battery and flexible secondary battery including the lithium metal electrode are also provided.

公开(公告)号：US09711798B2

公开(公告)日：2017-07-18

申请号：US14440455

申请日：2014-09-03

Applicant: LG CHEM, LTD.

Inventor： Byoung-Kuk Son ,  Min-Chul Jang ,  Yu-Mi Kim ,  Gi-Su Park

IPC: H01M4/62 ,  H01M10/0569 ,  H01M4/525 ,  H01M10/052 ,  H01M4/66 ,  H01M4/74 ,  H01M4/80 ,  H01M4/134 ,  H01M4/36 ,  H01M4/76 ,  H01M10/42 ,  H01M2/02 ,  H01M2/16 ,  H01M4/485 ,  H01M4/505 ,  H01M4/58 ,  H01M10/0568

CPC classification number: H01M4/628 ,  H01M2/0217 ,  H01M2/022 ,  H01M2/0222 ,  H01M2/024 ,  H01M2/162 ,  H01M4/134 ,  H01M4/364 ,  H01M4/366 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/661 ,  H01M4/662 ,  H01M4/74 ,  H01M4/762 ,  H01M4/80 ,  H01M4/808 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2220/20 ,  H01M2220/30 ,  H01M2300/0028 ,  H01M2300/0034 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure relates to a lithium electrode, comprising an electrode composite comprising a porous metallic current collector, and lithium metal inserted into pores present in the metallic current collector; and a protective membrane for lithium ion conduction, the protective membrane being formed on at least one surface of the electrode composite.The lithium electrode according to the present disclosure can increase contact surface between lithium metal and a current collector to improve the performances of a lithium secondary battery, and can exhibit uniform electron distribution therein to prevent the growth of lithium dendrites during the operation of a lithium secondary battery, thereby improving the safety of a lithium secondary battery. Furthermore, even though the lithium electrode is coated with a protective membrane for lithium ion conduction on the surface thereof, the protective membrane can be prevented from being peeled off during the charge and discharge of a lithium secondary battery.

公开(公告)号：US20150280212A1

公开(公告)日：2015-10-01

申请号：US14440539

申请日：2014-09-03

Applicant: LG CHEM, LTD.

Inventor： Byoung-Kuk Son ,  Min-Chul Jang ,  Min-Seo Kim ,  Da-Young Sung ,  Seong-Ho Lee

IPC: H01M4/131 ,  H01M10/0569 ,  H01M10/0567 ,  H01M10/0525

CPC classification number: H01M4/131 ,  H01M4/134 ,  H01M4/136 ,  H01M4/382 ,  H01M4/661 ,  H01M4/762 ,  H01M4/80 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025 ,  H01M2300/0028 ,  Y02T10/7011

Abstract: The present disclosure relates to a lithium electrode, comprising a porous metallic current collector; and lithium metal inserted into pores present in the metallic current collector.The lithium electrode according to the present disclosure can increase contact surface between lithium metal and a current collector to improve the performances of a lithium secondary battery, and can exhibit uniform electron distribution therein to prevent the growth of lithium dendrites during the operation of a lithium secondary battery, thereby improving the safety of a lithium secondary battery.

Abstract translation: 本发明涉及一种锂电极，包括多孔金属集流体; 并将锂金属插入存在于金属集流体中的孔中。 根据本公开的锂电极可以增加锂金属和集电体之间的接触表面，以提高锂二次电池的性能，并且可以显示均匀的电子分布，以防止在锂二次电池的操作期间锂枝晶的生长 电池，从而提高锂二次电池的安全性。