公开(公告)号：EP3413387A1

公开(公告)日：2018-12-12

申请号：EP17863755.9

申请日：2017-09-28

Applicant: LG Chem, Ltd.

Inventor： HAN, Song-Yi ,  CHOI, Young-Geun ,  OH, Song-Taek

IPC: H01M10/052 ,  H01M2/02 ,  H01M2/10 ,  G01R31/36

CPC classification number: G01R31/36 ,  H01M2/02 ,  H01M2/10 ,  H01M10/052 ,  Y02E60/122

Abstract: Disclosed are a secondary battery and a life prediction apparatus thereof. The life prediction apparatus predicts a life of a secondary battery including an electrode assembly, a positive electrode tab, a negative electrode tab, a case and a plurality of reference electrodes. In particular, the life prediction apparatus predicts a residual life of the secondary battery by detecting impedances of different regions of the secondary battery by using the plurality of reference electrodes.

公开(公告)号：EP3048656B1

公开(公告)日：2018-10-31

申请号：EP15195228.0

申请日：2015-11-18

Applicant: Samsung SDI Co., Ltd.

Inventor： PARK, Seung-Hee ,  LEE, Jea-Woan ,  EO, Soo-Mi ,  CHO, Young-Kwang

IPC: H01M2/02 ,  H01M2/26 ,  H01M2/22 ,  H01M10/04 ,  H01M2/30

CPC classification number: H01M10/0431 ,  H01M2/02 ,  H01M2/0202 ,  H01M2/021 ,  H01M2/0212 ,  H01M2/0237 ,  H01M2/0275 ,  H01M2/22 ,  H01M2/26 ,  H01M2/263 ,  H01M2/30 ,  H01M4/38 ,  H01M10/052 ,  H01M2220/20 ,  H01M2220/30

Abstract: A rechargeable battery, including an electrode assembly including wound electrodes with a separator therebetween; a pouch housing the electrode assembly; and lead tabs connected to the electrodes and drawn out of the pouch, the lead tabs including an inner tab having a first thickness, connected to the electrode, and drawn out of the electrode assembly.

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：EP3385998A1

公开(公告)日：2018-10-10

申请号：EP17859952.8

申请日：2017-08-29

Applicant: LG Chem, Ltd.

Inventor： KIM, Sang Hun ,  CHOI, Yong Su ,  YU, Hyung Kyun ,  HWANG, Soo Ji ,  KIM, Na Yoon ,  KIM, Yong

IPC: H01M2/06 ,  H01M2/26 ,  H01M2/08 ,  H01M2/02 ,  H01M10/04

CPC classification number: H01M2/02 ,  H01M2/06 ,  H01M2/08 ,  H01M2/26 ,  H01M10/04

Abstract: Disclosed are a secondary battery and a method for manufacturing the same.
According to the present invention, since an external protrusion protruding from the outside of an exterior constituting a body of the secondary battery as a component through which a secondary battery according to a related art is electrically connected to external electric equipment is removed, the secondary battery may be reduced in volume under the same capacity.

公开(公告)号：EP3385412A1

公开(公告)日：2018-10-10

申请号：EP16870855.0

申请日：2016-12-05

Applicant: Toyo Kohan Co., Ltd.

Inventor： SADAKI, Kota ,  YOSHIOKA, Koh

IPC: C25D5/50 ,  C25D5/26 ,  C25D7/00 ,  H01M2/02

CPC classification number: C25D5/50 ,  B32B15/015 ,  B32B2250/03 ,  B32B2311/22 ,  B32B2311/30 ,  B32B2439/00 ,  C25D3/12 ,  C25D7/00 ,  H01M2/02 ,  H01M2/022 ,  H01M2/026 ,  H01M2/0287 ,  H01M2/0292 ,  H01M2/0486 ,  H01M2/1055 ,  H01M2002/0297

Abstract: The present invention provides a nickel-plated heat-treated steel sheet for a battery can (1), having a nickel layer with a nickel amount of 4.4 to 26.7 g/m 2 on a steel sheet (11), wherein when the Fe intensity and the Ni intensity are continuously measured along the depth direction from the surface of the nickel-plated heat-treated steel sheet for a battery can, by using a high frequency glow discharge optical emission spectrometric analyzer, the difference (D2 - D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is less than 0.04 µm.

公开(公告)号：EP3385410A1

公开(公告)日：2018-10-10

申请号：EP16870853.5

申请日：2016-12-05

Applicant: Toyo Kohan Co., Ltd.

Inventor： ASADA, Kengo ,  SUDA, Masao ,  SADAKI, Kota ,  MINAGI, Hideyuki

IPC: C25D5/50 ,  C25D5/26 ,  C25D7/00 ,  H01M2/02

CPC classification number: C25D5/50 ,  B32B15/015 ,  B32B2250/03 ,  B32B2311/22 ,  B32B2311/30 ,  B32B2439/00 ,  C25D3/12 ,  C25D7/00 ,  H01M2/02 ,  H01M2/022 ,  H01M2/026 ,  H01M2/0287 ,  H01M2/0292 ,  H01M2/0486 ,  H01M2/1055 ,  H01M2002/0297

Abstract: The present invention provides a surface-treated steel sheet (1) for a battery container, including a steel sheet(11), an iron-nickel diffusion layer (12) formed on the steel sheet(11), and a nickel layer (14) formed on the iron-nickel diffusion layer (12) and constituting the outermost layer, wherein when the Fe intensity and the Ni intensity are continuously measured from the surface of the surface-treated steel sheet (1) for a battery container along the depth direction with a high frequency glow discharge optical emission spectrometric analyzer, the thickness of the iron-nickel diffusion layer being the difference (D2 - D1) between the depth (D1) at which the Fe intensity exhibits a first predetermined value and the depth (D2) at which the Ni intensity exhibits a second predetermined value is 0.04 to 0.31 µm; and the total amount of the nickel contained in the iron-nickel diffusion layer (12) and the nickel contained in the nickel layer (14) is 4.4 g/m 2 or more and less than 10.8 g/m 2 .

公开(公告)号：EP3382771A1

公开(公告)日：2018-10-03

申请号：EP17849017.3

申请日：2017-08-29

Applicant: LG Chem, Ltd.

Inventor： JUNG, Tai-Jin ,  MUN, Jeong-O ,  JEONG, Byoung-Cheon

IPC: H01M2/02 ,  H01M10/04 ,  H01M10/0585

CPC classification number: H01M2/02 ,  H01M10/04 ,  H01M10/0585

Abstract: Disclosed are a pouch exterior capable of easily mounting an electrode assembly at an accurate position between accommodating parts, having an integrated form to minimize sealing parts contacting the air and to increase a lifetime of a battery, capable of preventing a rupture of the pouch exterior in an assembly process, and capable of increasing an energy density of a cell, a pouch-type secondary battery using the pouch exterior, and a method of manufacturing the pouch-type secondary battery. A pouch exterior for a secondary battery, according to the present disclosure, includes two corresponding accommodating parts configured to mount an electrode assembly therebetween and symmetrically formed at both sides by disposing a protruding part therebetween, and is folded along two folding lines outside a center part of the protruding part by vertically mounting a side surface of the electrode assembly on the protruding part, such that folded parts surround side edges of the electrode assembly.

公开(公告)号：EP3373358A1

公开(公告)日：2018-09-12

申请号：EP15888079.9

申请日：2015-12-18

Applicant: LG Chem, Ltd.

Inventor： LEE, Jong-Young ,  LEE, Gang-U ,  KANG, Dal-Mo ,  PARK, Jung-Min ,  SEONG, Jun-Yeob ,  CHOI, Yong-Seok

IPC: H01M2/10 ,  H01M2/02 ,  H01M10/6554 ,  B60L11/18

CPC classification number: H01M2/1077 ,  B60L11/18 ,  H01M2/02 ,  H01M2/10 ,  H01M10/613 ,  H01M10/625 ,  H01M10/653 ,  H01M10/6551 ,  H01M10/6554 ,  H01M10/6562 ,  H01M2220/20

Abstract: Disclosed is a battery pack which has a simple structure, small volume and weight, and efficient cooling performance. The battery pack includes a module assembly including a plurality of secondary batteries, and a plurality of cartridges configured to be stacked with each other and surround an outer circumference of the secondary batteries at an outer side, the plurality of cartridges being at least partially made of thermally-conductive material; and a pack case having an empty space therein to accommodate the module assembly and at least partially made of thermally-conductive material to discharge heat of the module assembly.

公开(公告)号：EP3342838A1

公开(公告)日：2018-07-04

申请号：EP16841647.7

申请日：2016-08-25

Applicant: DIC Corporation

Inventor： NAKAMURA Hidemi ,  MATSUO Takatoshi ,  KOUYAMA Tatsuya

IPC: C09J123/26 ,  B32B15/085 ,  C09J11/06 ,  C09J125/04 ,  H01M2/02 ,  H01M10/04 ,  H01M10/0566 ,  H01M10/058

CPC classification number: H01M2/0275 ,  B32B7/12 ,  B32B15/085 ,  B32B15/088 ,  B32B15/09 ,  B32B2307/518 ,  B32B2457/10 ,  C08J5/128 ,  C08J2323/02 ,  C08J2423/26 ,  C08J2425/06 ,  C09J11/06 ,  C09J123/26 ,  C09J125/04 ,  H01M2/02 ,  H01M2/0287 ,  H01M2/08 ,  H01M2/26 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0566 ,  H01M10/058

Abstract: There are provided a laminating adhesive including, as essential components, an olefin resin (A) having acid groups or acid anhydride groups, a curing agent (B), and a styrene resin (C), wherein a mixing ratio of the styrene resin (C) relative to 100 parts by mass of the olefin resin (A) is 0.01 to 1.5 parts by mass; a multilayer film including, as an essential film structure, a laminate obtained by laminating a non-stretched polyolefin film and a metal film to each other with the laminating adhesive; and a secondary battery produced by using the multilayer film.

公开(公告)号：EP3336923A1

公开(公告)日：2018-06-20

申请号：EP16835329.0

申请日：2016-07-20

Applicant: LG Chem, Ltd.

Inventor： KIM, Seong Min

IPC: H01M2/02 ,  H01M2/10 ,  H01M10/04

CPC classification number: H01M2/0287 ,  H01M2/02 ,  H01M2/026 ,  H01M2/0285 ,  H01M2/10 ,  H01M2/1061 ,  H01M10/04 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2220/30

Abstract: Disclosed herein is a battery cell including a battery case, wherein the battery case includes thermally bondable portions thermally bonded to each other to constitute a first sealed portion of the battery cell, a first space for receiving an electrode assembly, and second spaces defined outside the thermally bondable portions, the second spaces constituting the outer edges of the battery case together with the thermally bondable portions, and wherein a metal piece for preventing the penetration of humidity into the first space from the outside is mounted in at least one of the second spaces.