公开(公告)号：US09868881B2

公开(公告)日：2018-01-16

申请号：US14306933

申请日：2014-06-17

Applicant: LG CHEM, LTD.

Inventor： Se Ra Kim ,  Suk Ky Chang ,  Byung Kyu Jung ,  Yoon Tae Hwang ,  Cha Hun Ku ,  Sung Jong Kim ,  Se Woo Yang ,  Hyo Sook Joo ,  Min Soo Park

IPC: B32B41/00 ,  C09J7/02 ,  H01M2/10 ,  H01M10/04 ,  H01M6/00 ,  H01M10/02 ,  B32B37/02 ,  H01M4/04 ,  B32B27/36 ,  B32B27/28 ,  B32B27/40 ,  B32B27/30 ,  B32B27/38 ,  C09J133/08

CPC classification number: C09J7/241 ,  B32B27/285 ,  B32B27/308 ,  B32B27/36 ,  B32B27/38 ,  B32B27/40 ,  B32B37/02 ,  C09J7/22 ,  C09J7/245 ,  C09J7/25 ,  C09J7/26 ,  C09J7/29 ,  C09J133/08 ,  C09J2203/33 ,  C09J2401/006 ,  C09J2433/00 ,  C09J2433/006 ,  C09J2463/00 ,  C09J2463/006 ,  C09J2475/00 ,  C09J2475/006 ,  H01M2/10 ,  H01M4/04 ,  H01M6/005 ,  H01M10/02 ,  H01M10/04 ,  H01M10/0431 ,  H01M10/049 ,  Y10T29/49114 ,  Y10T428/24521 ,  Y10T428/28 ,  Y10T428/2852 ,  Y10T428/287 ,  Y10T428/2891

Abstract: A swelling tape for filling a gap and a method of filling a gap are provided. The swelling tape can be applied within the gap having a fluid to realize a 3D shape thereby filling the gap, and be used to fix a subject forming the gap as necessary.

公开(公告)号：US11978861B2

公开(公告)日：2024-05-07

申请号：US16619751

申请日：2019-02-18

Applicant: LG CHEM, LTD.

Inventor： Won Nyeon Kim ,  Jung Kwan Pyo ,  Cha Hun Ku ,  Byeong Kyu Lee ,  Tai Jin Jung

IPC: H01M10/04 ,  G01B11/26 ,  H01M10/0585

CPC classification number: H01M10/0585 ,  G01B11/26 ,  H01M10/04 ,  H01M10/0404

Abstract: An apparatus for manufacturing the secondary battery includes a first measurement part photographing unit cells, which are continuously transferred, to measure a position of a first electrode having a relatively large size of the first electrode and a second electrode, which are provided in the unit cells and have polarities opposite to each other, from an image of each of the photographed unit cells; and a first arrangement part disposing the unit cell passing through the first measurement part at a preset position of the separation sheet to adjust an interval between the unit cells disposed on the separation sheet on the basis of the position of the first electrode, which is measured by the first measurement part.

公开(公告)号：US11569113B2

公开(公告)日：2023-01-31

申请号：US16733704

申请日：2020-01-03

Applicant: LG CHEM, LTD.

Inventor： Tai Jin Jung ,  Cha Hun Ku ,  Jung Kwan Pyo ,  Byeong Kyu Lee

IPC: H01L21/68 ,  B65G27/02 ,  H01L21/677 ,  H01M10/04

Abstract: A unit cell alignment apparatus that includes a base member, on the upper surface of which unit cells constituting an electrode assembly are stacked parallel thereto, a first guide member located at one side of the base member, the first guide member being disposed so as to be perpendicular to the upper surface of the base member, a second guide member located at the base member, the second guide member being disposed so as to be perpendicular to the upper surface of the base member while being at right angles to the first guide member, and an inclination adjustment member configured to adjust the inclination of the base member.

公开(公告)号：US11522258B2

公开(公告)日：2022-12-06

申请号：US16614201

申请日：2018-10-17

Applicant: LG Chem, Ltd.

Inventor： Seok Jin Kim ,  Sang Hyun Koo ,  Cha Hun Ku

IPC: H01M50/691 ,  H01M10/04 ,  H01M50/30 ,  H01M50/60 ,  H01M50/10

Abstract: The present invention relates to an electrolyte removing device. The electrolyte removing device comprises: a jig assembly configured to receive in a seated position a pouch comprising an accommodation part in which an electrode assembly is accommodated, a gas pocket part, and a connection part connecting the accommodation part to the gas pocket part; and an electrolyte removing assembly configured to push an electrolyte remaining on the connection part to the gas pocket part to remove the electrolyte from the connection part.

公开(公告)号：US11196031B2

公开(公告)日：2021-12-07

申请号：US15757886

申请日：2017-07-03

Applicant: LG Chem, Ltd.

Inventor： Sang Kyun Lee ,  Seok Jin Kim ,  Cha Hun Ku

IPC: H01M4/04 ,  H01M4/13 ,  H01M4/139

Abstract: The present invention relates to an electrode, for reducing a difference in ductility between a non-coating portion and a coating portion of the electrode, a method for manufacturing the electrode, and a roller for manufacturing the electrode. Also, the electrode according to the present invention includes an electrode foil, a coating portion coated with an electrode active material on one surface of the electrode foil, and a non-coating portion which is disposed adjacent to the coating portion on the one surface of the electrode foil, and is not coated with the electrode active material and on which a pattern is disposed.

公开(公告)号：US11179862B2

公开(公告)日：2021-11-23

申请号：US16629866

申请日：2019-04-01

Applicant: LG CHEM, LTD.

Inventor： Byeong Kyu Lee ,  Cha Hun Ku ,  Jung Kwan Pyo ,  Jin Gon Kim ,  Tai Jin Jung ,  Won Nyeon Kim

IPC: B26D7/14 ,  B26F1/12 ,  A01C7/04 ,  A01C7/06 ,  A01C7/20 ,  A01C5/04 ,  H01M50/103 ,  H01M4/04

Abstract: Discussed is a notching apparatus for a secondary battery that includes: a lower mechanism comprising a die and a die holder to which the die is fixed, the die engaging an electrode provided with a coating portion and a non-coating portion; a stripper including a first stripper pressing the coating portion and a pair of second strippers pressing and fixing the non-coating portion; an upper mechanism including a punch provided between the pair of second strippers and provided with a cutting blade cutting the non-coating portion disposed between the pair of second strippers and a punch holder allowing the punch to move in a direction of the lower mechanism; and a pressing member pressing the non-coating portion disposed between the pair of second strippers to increase in tension force when the non-coating portion is cut by the punch.

公开(公告)号：US10921294B2

公开(公告)日：2021-02-16

申请号：US16325507

申请日：2018-01-30

Applicant: LG CHEM, LTD.

Inventor： Sang Hyun Koo ,  Seok Jin Kim ,  Cha Hun Ku

IPC: G01M3/24 ,  G01N29/11 ,  G01N29/04 ,  G01N29/36 ,  G01N29/44 ,  G01N29/06 ,  B29C65/82

Abstract: A non-destructive inspection judgment system for inspecting a non-destructive inspection subject using ultrasonic waves, including an ultrasonic wave generator transmitting and receiving ultrasonic signals by generating ultrasonic waves to the non-destructive inspection subject placed on an inspection table, an interface transmitting an ultrasonic signal received from the ultrasonic wave generator to an ultrasonic wave generation data controller, the ultrasonic wave generation data controller processing ultrasonic wave data received from the interface, a sealing defect presence judger determining, using the processed ultrasonic wave data, whether a sealing defect is present, and a display displaying a result of the judgment on a monitor to detect an unsealed portion of an aluminum pouch.

公开(公告)号：US10749152B2

公开(公告)日：2020-08-18

申请号：US15737356

申请日：2016-10-11

Applicant: LG CHEM, LTD.

Inventor： Sang Kyun Lee ,  Cha Hun Ku

IPC: H01M2/08 ,  H01M2/02 ,  H01M2/04 ,  H01M10/04

Abstract: The present invention relates to a sealing apparatus for a secondary battery, which seals a sealing part of a case in which an electrode assembly and an electrolyte are accommodated, and the sealing apparatus comprises a sealing member comprising a first sealing piece and a second sealing piece, which thermally fuse a surface of the sealing part to seal the sealing part, wherein the first sealing piece and the second sealing piece comprise a plurality of thermal fusion parts, which are disposed from an outer end of a surface of the sealing part toward an inner end that is opposite to the outer end to thermally fuse the surface of the sealing part, and non-thermal fusion parts, which are disposed between the plurality of thermal fusion parts and do not seal the surface of the sealing part.

公开(公告)号：US20200235433A1

公开(公告)日：2020-07-23

申请号：US16348297

申请日：2018-03-27

Applicant: LG Chem, Ltd.

Inventor： Won Nyeon Kim ,  Jung Kwan Pyo ,  Cha Hun Ku ,  Tae Kyu Kim

IPC: H01M10/0585 ,  H01M2/16

Abstract: A lamination apparatus for a secondary battery comprises a roller part comprising a separator supply roller that supplies a separator sheet and an electrode supply roller that supplies an electrode sheet, a cutting part that cuts the electrode sheet supplied by the electrode supply roller to manufacture a plurality of electrode plates, a first transfer part that transfers the electrode plates cut by the cutting part at a same interval, an inspection part that inspects whether the electrode plates transferred by the first transfer part are defective, a second transfer part that transfers a normal electrode plate, which is determined as the normal electrode plate by the inspection part, among the electrode plates, and a lamination part that thermally bonds the normal electrode plate transferred by the second transfer part to the separator sheet supplied by the separator supply roller.

公开(公告)号：US10714716B2

公开(公告)日：2020-07-14

申请号：US15737356

申请日：2016-10-11

Applicant: LG CHEM, LTD.

Inventor： Sang Kyun Lee ,  Cha Hun Ku

IPC: H01M2/08 ,  H01M2/02 ,  H01M2/04 ,  H01M10/04

Abstract: The present invention relates to a sealing apparatus for a secondary battery, which seals a sealing part of a case in which an electrode assembly and an electrolyte are accommodated, and the sealing apparatus comprises a sealing member comprising a first sealing piece and a second sealing piece, which thermally fuse a surface of the sealing part to seal the sealing part, wherein the first sealing piece and the second sealing piece comprise a plurality of thermal fusion parts, which are disposed from an outer end of a surface of the sealing part toward an inner end that is opposite to the outer end to thermally fuse the surface of the sealing part, and non-thermal fusion parts, which are disposed between the plurality of thermal fusion parts and do not seal the surface of the sealing part.