公开(公告)号：EP2966120B1

公开(公告)日：2019-02-20

申请号：EP14829970.4

申请日：2014-07-25

Applicant: LG Chem, Ltd.

Inventor： KIM, Seok Koo ,  LEE, Eun Ju ,  CHOI, Bokkyu ,  OH, Sei Woon ,  KIM, Je Young

IPC: H01M10/052 ,  H01M10/0567 ,  H01M10/42

公开(公告)号：EP3641017A2

公开(公告)日：2020-04-22

申请号：EP18870996.8

申请日：2018-10-19

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  CHO, Sung Hwan ,  LIM, Soo-Hyun ,  WOO, Sun Hwak ,  PARK, Jinseo

IPC: H01M2/26 ,  H01M2/02

Abstract: A rechargeable battery includes an electrode assembly; a case comprising a sealing portion surrounding the electrode assembly; and a lead electrically connected to the electrode assembly and extending in a first direction, wherein the lead includes a first region in contact with the electrode assembly and located inside the case; a second region exposed to an outside of the case; and a third region located between the first region and the second region and overlapping the sealing portion of the case, wherein the third region has a width greater than the first region and the second region in a second direction and has a thickness smaller than the first region and the second region in a third direction, and wherein the second direction is perpendicular to the first direction, and the third direction is perpendicular to the first direction and the second direction.

公开(公告)号：EP3611774A1

公开(公告)日：2020-02-19

申请号：EP18903305.3

申请日：2018-12-10

Applicant: LG CHEM, LTD.

Inventor： OH, Sei Woon ,  HWANG, Soo Ji ,  JUNG, Jung Hwa ,  LEE, Ho Sub ,  PARK, Jin Seo

IPC: H01M2/02 ,  B29C51/14 ,  B29L31/00

Abstract: Disclosed is a method for manufacturing a secondary battery.
According to the present invention, a problem of weakening durability of a pouch, which may occur in a process of forming cups having different depths in the pouch may be solved.

公开(公告)号：EP3348373A1

公开(公告)日：2018-07-18

申请号：EP17766931.4

申请日：2017-03-13

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  KIM, Hyun Min ,  WOO, Sun Hwak ,  YOON, Yeo Kyung ,  LEE, Eun Ju ,  LEE, Ji Eun ,  HWANG, Soo Ji

IPC: B29C49/22 ,  H01M2/02 ,  B29C49/78

CPC classification number: B29C51/10 ,  B29C49/22 ,  B29C49/78 ,  B29C51/002 ,  B29C51/14 ,  B29C51/36 ,  B29C51/40 ,  B29C51/46 ,  B29K2023/00 ,  B29K2067/003 ,  B29K2077/00 ,  B29K2827/18 ,  B29K2995/0067 ,  B29K2995/0069 ,  B29L2009/003 ,  B29L2031/3468 ,  B29L2031/7146 ,  H01M2/02 ,  H01M2/0202 ,  H01M2220/30

Abstract: The present invention provides a manufacturing device of a battery case including a first mold including a first space part having a shape corresponding to a storage part formed therein; a second mold including a second space part having a shape corresponding to the storage part and a through-hole communicating with the second space part formed therein, and coupled to the first mold with a laminate sheet interposed therebetween; and an air pressure regulator mounted in the through-hole in a state in which the first space part and the second space part are isolated from the outside, and increasing or decreasing an air pressure of the second space part through the through-hole to stretch and modify the laminate sheet into a shape corresponding to the first space part or the second space part.

公开(公告)号：EP2966120A1

公开(公告)日：2016-01-13

申请号：EP14829970.4

申请日：2014-07-25

Applicant: LG Chem, Ltd.

Inventor： KIM, Seok Koo ,  LEE, Eun Ju ,  CHOI, Bokkyu ,  OH, Sei Woon ,  KIM, Je Young

IPC: C08K9/10 ,  C08J3/12 ,  C08J3/24 ,  H01M10/05

CPC classification number: H01M2/1653 ,  H01M4/602 ,  H01M4/604 ,  H01M4/608 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0567 ,  H01M10/4235 ,  H01M2220/20 ,  H01M2300/0082 ,  Y02T10/7011

Abstract: Disclosed are a cross-linked compound particle and a secondary battery including the same. More particularly, a compound particle which includes a monomer and a polymerization initiator, as a core and a film including a material disappeared at predetermined temperature as a shell is provided.

Abstract translation: 公开了交联化合物粒子和包含该粒子的二次电池。 更具体地，提供了包含作为核心的单体和聚合引发剂的复合颗粒和包含材料的膜在预定温度下作为壳消失。

公开(公告)号：EP3352286B1

公开(公告)日：2020-09-09

申请号：EP17736122.7

申请日：2017-01-06

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  KIM, Hyun Min ,  WOO, Sun Hwak

IPC: H01M10/42 ,  H01M10/52 ,  H01M10/0567 ,  H01M2/02 ,  H01M2/10 ,  B01J20/26 ,  H01M10/052 ,  H01M10/0585

公开(公告)号：EP3614477A1

公开(公告)日：2020-02-26

申请号：EP18884222.3

申请日：2018-11-02

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  JEONG, Yura ,  YOON, Yeo Kyung

IPC: H01M10/04 ,  H01M10/0583 ,  H01M2/26

Abstract: Disclosed is an electrode assembly, including: a positive electrode having a plurality of positive patterns formed by being pattern-coated with a positive active material at a predetermined interval and including positive uncoated regions where the positive active material is not coated; a negative electrode having a plurality of negative patterns formed by being pattern-coated with a negative active material at a predetermined interval and including negative uncoated regions where the negative active material is not coated; and a separator disposed between the positive electrode and the negative electrode, in which the electrode assembly is formed in a zigzag shape by bending the positive uncoated region and the negative uncoated region.

公开(公告)号：EP3386019A1

公开(公告)日：2018-10-10

申请号：EP17851138.2

申请日：2017-09-18

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  SHIM, Jung Ah ,  KIM, Hyun Min ,  LIM, Seong Yoon

IPC: H01M10/04 ,  H01M2/02

CPC classification number: H01M2/02 ,  H01M10/04

Abstract: A secondary battery according to the present invention comprises an electrode assembly in which an electrode and a separator are alternately stacked and a battery case accommodating the electrode assembly therein, wherein the battery case comprises a stepped part that is disposed to be stepped, an outer surface of the battery case is sealed to allow a folded part to be seated on the outer surface of the stepped part, and the electrode assembly comprises a stepped protrusion that is stepped in a shape corresponding to an inner surface of the stepped part disposed on the battery case.

公开(公告)号：EP3185346B1

公开(公告)日：2018-09-19

申请号：EP16780180.2

申请日：2016-01-28

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  LIM, Seong Yoon ,  KIM, Hyun Min ,  SHIM, Jung Ah ,  LEE, Ho Sub ,  JUNG, Jung Hwa

IPC: H01M10/0525 ,  H01M10/0585 ,  H01M2/10 ,  H01M2/26 ,  H01M2/30 ,  H01M10/04 ,  H01M10/058

CPC classification number: H01M2/266 ,  H01M2/10 ,  H01M2/26 ,  H01M2/30 ,  H01M10/04 ,  H01M10/049 ,  H01M10/0525 ,  H01M10/058 ,  H01M10/0585 ,  H01M2220/20 ,  H01M2220/30

Abstract: Disclosed herein are an electrode assembly including a plurality of unit cells arranged in a height direction on the basis of a plane, at least two of the unit cells having different planar sizes, and a space portion defined by the difference in planar size between the arranged unit cells, wherein each of the unit cells includes at least one electrode plate, electrode tabs protruding from the electrode plates of the unit cells are electrically connected to an electrode lead via a tab-lead coupling part, and the tab-lead coupling part is located in the space portion, and a battery cell including the same.

公开(公告)号：EP3352286A1

公开(公告)日：2018-07-25

申请号：EP17736122.7

申请日：2017-01-06

Applicant: LG Chem, Ltd.

Inventor： OH, Sei Woon ,  KIM, Hyun Min ,  WOO, Sun Hwak

IPC: H01M10/42 ,  H01M10/52 ,  H01M10/0567 ,  H01M2/02 ,  H01M2/10 ,  B01J20/26

Abstract: The present invention provides a secondary battery in which an electrode assembly is sealed within a battery case together with an electrolyte, wherein a gas-absorbing polymer having an azo group is included in the battery cell so as to absorb gas generated within the battery.