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：US10770758B2

公开(公告)日：2020-09-08

申请号：US15766157

申请日：2016-10-21

Applicant: LG Chem, Ltd.

Inventor： In-Sung Uhm ,  Je-Young Kim ,  Jong-Hwa Choi ,  Suk-In Noh ,  Dong-Chan Lee

IPC: H01M10/0587 ,  H01M2/14 ,  H01M2/02 ,  H01M4/74 ,  H01M10/058 ,  H01M4/13 ,  H01M2/16 ,  H01M2/18 ,  H01M4/583 ,  H01M4/66 ,  H01M4/75 ,  H01M10/0525 ,  H01M4/02

Abstract: Disclosed is a cable-type secondary battery, including: a winding core having guide portions formed by intaglio or relief in a spiral shape on the surface thereof; a sheet-type first inner electrode formed on the outside of the winding core surface between the guide portions by spiral winding; a sheet-type first separation layer formed on the outside of the first inner electrode by spiral winding; a sheet-type second inner electrode formed on the outside of the first separation layer by spiral winding; a second separation layer formed on the outside of the second inner electrode by spiral winding; and an outer electrode formed on the outside of the second separation layer by spiral winding.

公开(公告)号：US20180287212A1

公开(公告)日：2018-10-04

申请号：US15765932

申请日：2017-01-09

Applicant: LG Chem, Ltd.

Inventor： In-Sung Uhm ,  Yo-Han Kwon ,  Je-Young Kim ,  Suk-In Noh ,  Dong-Chan Lee

IPC: H01M10/0587 ,  H01M10/04 ,  H01M2/18 ,  B65H55/00 ,  B65H54/44 ,  B21C47/02

Abstract: Disclosed is a method for manufacturing a cable-type secondary battery, which includes successively supplying a first electrode member, a separator ribbon and a second electrode member around a rod-shaped winding core, wherein a width of the first electrode member and a width of the second electrode member are respectively smaller than a winding circumference, and a width of the separator ribbon is greater than the winding circumference.

公开(公告)号：US10673047B2

公开(公告)日：2020-06-02

申请号：US15772300

申请日：2017-02-06

Applicant: LG Chem, Ltd.

Inventor： In-Sung Uhm ,  Je-Young Kim ,  Suk-In Noh ,  Young-Ji Yuk ,  Dong-Chan Lee

IPC: H01M2/18 ,  H01M4/75 ,  H01M10/058 ,  H01M2/02 ,  H01M4/139 ,  H01M2/16 ,  H01M10/0525

Abstract: The present disclosure relates to a cable type secondary battery which includes: a cable type electrode assembly including an inner electrode, a separator layer formed to surround the outer surface of the inner electrode and preventing a short-circuit between electrodes, and an outer electrode formed to surround the separator layer; a taping layer formed by spirally winding a sheet type tape so that it surrounds the outer surface of the cable type electrode assembly; and a packaging formed to surround the outer surface of the taping layer. According to the present disclosure, it is possible to prevent separation of the separator layer or the outer electrode, and thus to reinforce the bending characteristics of the cable type secondary battery.

公开(公告)号：US20180323418A1

公开(公告)日：2018-11-08

申请号：US15772300

申请日：2017-02-06

Applicant: LG Chem, Ltd.

Inventor： In-Sung Uhm ,  Je-Young Kim ,  Suk-In Noh ,  Young-Ji Yuk ,  Dong-Chan Lee

IPC: H01M2/18 ,  H01M10/0525 ,  H01M10/058 ,  H01M4/139 ,  H01M4/75 ,  H01M2/16

CPC classification number: H01M2/18 ,  H01M2/026 ,  H01M2/029 ,  H01M2/1673 ,  H01M4/139 ,  H01M4/75 ,  H01M10/0525 ,  H01M10/058 ,  H01M2002/0205 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure relates to a cable type secondary battery which includes: a cable type electrode assembly including an inner electrode, a separator layer formed to surround the outer surface of the inner electrode and preventing a short-circuit between electrodes, and an outer electrode formed to surround the separator layer; a taping layer formed by spirally winding a sheet type tape so that it surrounds the outer surface of the cable type electrode assembly; and a packaging formed to surround the outer surface of the taping layer. According to the present disclosure, it is possible to prevent separation of the separator layer or the outer electrode, and thus to reinforce the bending characteristics of the cable type secondary battery.

公开(公告)号：US20180309153A1

公开(公告)日：2018-10-25

申请号：US15765663

申请日：2016-09-09

Applicant: LG Chem, Ltd.

Inventor： Suk-In Noh ,  Dong-Chan Lee ,  In-Sung Uhm ,  Je-Young Kim ,  Jong-Hwa Choi

IPC: H01M10/04 ,  H01M10/0587 ,  H01M2/08 ,  H01M4/75

CPC classification number: H01M10/0409 ,  H01M2/08 ,  H01M4/75 ,  H01M10/04 ,  H01M10/0431 ,  H01M10/0468 ,  H01M10/058 ,  H01M10/0587 ,  H01M2004/025

Abstract: The present disclosure relates to a cable-type secondary battery having improved performance and capable of alleviating stress caused by external force. The present disclosure provides provided a sheet-type electrode assembly which includes: an electrode array including an inner electrode, a first separator, a double-sided electrode, a second separator and an outer electrode stacked successively; and a support layer formed integrally on at least one surface of the electrode array by compression, and a cable-type secondary battery including the same.

公开(公告)号：US20180294532A1

公开(公告)日：2018-10-11

申请号：US15766157

申请日：2016-10-21

Applicant: LG Chem, Ltd.

Inventor： In-Sung Uhm ,  Je-Young Kim ,  Jong-Hwa Choi ,  Suk-In Noh ,  Dong-Chan Lee

IPC: H01M10/0587 ,  H01M10/0525 ,  H01M4/66 ,  H01M4/583 ,  H01M4/75 ,  H01M2/16 ,  H01M2/18

Abstract: Disclosed is a cable-type secondary battery, including: a winding core having guide portions formed by intaglio or relief in a spiral shape on the surface thereof; a sheet-type first inner electrode formed on the outside of the winding core surface between the guide portions by spiral winding; a sheet-type first separation layer formed on the outside of the first inner electrode by spiral winding; a sheet-type second inner electrode formed on the outside of the first separation layer by spiral winding; a second separation layer formed on the outside of the second inner electrode by spiral winding; and an outer electrode formed on the outside of the second separation layer by spiral winding.

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：US20190267633A1

公开(公告)日：2019-08-29

申请号：US16331024

申请日：2017-12-11

Applicant: LG Chem, Ltd.

Inventor： Jae-Hyun Lee ,  In-Sung Uhm ,  Sung-Joong Kang ,  Dong-Chan Lee

IPC: H01M4/78 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0587

Abstract: A flexible secondary battery includes: a first electrode including a first electrode current collector extended longitudinally, a first electrode active material layer formed on the outside of the first electrode current collector, and a first insulation coating layer formed on the outside of the first electrode active material layer; and a second electrode including a second electrode current collector extended longitudinally, a second electrode active material layer formed on the outside of the second electrode current collector, and a second insulation coating layer formed on the outside of the second electrode active material layer, wherein the first electrode and the second electrode are wound in such a manner that they are disposed alternately in contact with each other.