公开(公告)号：US11069943B2

公开(公告)日：2021-07-20

申请号：US16327721

申请日：2017-11-06

申请人： LG Chem, Ltd.

发明人： Sei-Woon Oh ,  Hyun-Min Kim ,  Seong-Yoon Lim ,  Sun-Hwak Woo

IPC分类号： H01M50/531 ,  H01M10/0585 ,  H01M10/04 ,  H01M50/543 ,  H01M50/545 ,  H01M50/553 ,  H01M50/548 ,  H01M50/54 ,  H01M50/55 ,  H01M50/538

摘要： Disclosed herein is an electrode assembly configured to have a rectangular structure including two long sides and two short sides when viewed in a plan view, wherein the electrode assembly includes positive electrode tabs protruding from two or more regions of a first long side that are spaced apart from each other, the first long side being one of the two long sides, and negative electrode tabs protruding from two or more regions of a second long side that are spaced apart from each other, the second long side being the other of the two long sides, and wherein the positive electrode tabs are coupled to a positive electrode lead located at the first long side whereas the negative electrode tabs are coupled to a negative electrode lead located at the second long side.

公开(公告)号：US10933575B2

公开(公告)日：2021-03-02

申请号：US15749668

申请日：2017-04-11

申请人： LG Chem, Ltd.

发明人： Sei-Woon Oh ,  Sun-Hwak Woo ,  Soo-Ji Hwang ,  Hyun-Min Kim ,  Eun-Ju Lee

IPC分类号： B29C51/10 ,  H01M2/02 ,  H01M10/04 ,  B29C33/24 ,  B29D99/00 ,  B29C51/14 ,  B29C51/00 ,  B29C43/36 ,  B29K23/00 ,  B29K67/00 ,  B29K105/00 ,  B29L31/34

摘要： An apparatus and method are provided for forming a pouch case with improved forming quality and minimized surface contact between the forming apparatus and the pouch case in the forming process to form a pouch cup. The apparatus includes a mold on which a pouch case with a plate shape can be placed, wherein the mold bulges upwards, a chamber open at bottom to the pouch case and the mold, the chamber having an inner space in which the mold can be received by lift-up of the mold or lift-down of the chamber, wherein the chamber is seated on an edge portion of the pouch case, and the chamber is equipped with a fluid input valve at top and a fluid output valve at bottom, and a fluid supply unit configured to supply a fluid via the fluid input valve to carry out pressure forming of the pouch case.

公开(公告)号：US20190181415A1

公开(公告)日：2019-06-13

申请号：US16327721

申请日：2017-11-06

申请人： LG Chem, Ltd.

发明人： Sei-Woon Oh ,  Hyun-Min Kim ,  Seong-Yoon Lim ,  Sun-Hwak Woo

IPC分类号： H01M2/26 ,  H01M10/0585

摘要： Disclosed herein is an electrode assembly configured to have a rectangular structure including two long sides and two short sides when viewed in a plan view, wherein the electrode assembly includes positive electrode tabs protruding from two or more regions of a first long side that are spaced apart from each other, the first long side being one of the two long sides, and negative electrode tabs protruding from two or more regions of a second long side that are spaced apart from each other, the second long side being the other of the two long sides, and wherein the positive electrode tabs are coupled to a positive electrode lead located at the first long side whereas the negative electrode tabs are coupled to a negative electrode lead located at the second long side.

公开(公告)号：US10270102B2

公开(公告)日：2019-04-23

申请号：US14437976

申请日：2014-03-19

申请人： LG Chem, Ltd.

发明人： Sang-Kyun Lee ,  Byoung-Bae Lee ,  Ki-Young Kwon ,  Bok-Kyu Choi ,  Sei-Woon Oh

IPC分类号： H01M4/62 ,  H01M4/04 ,  H01M4/36 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M4/139 ,  H01M4/13 ,  H01M4/38 ,  H01M4/66 ,  H01M4/131 ,  H01M4/1391

摘要： The present disclosure relates to an electrode that may minimize an electrical resistance increase caused by a binder polymer or a conductive material used in the electrode and provide a high capacity, a method for manufacturing the same, and an electrochemical device comprising the electrode, and an electrode mix slurry is prepared using a high shearing mixing process for each step such that fine grained conductive material and a binder polymer are uniformly dispersed in an electrode mix, and a high capacity electrode active material is used in the electrode mix, to manufacture a high capacity electrochemical device.

公开(公告)号：US20180243966A1

公开(公告)日：2018-08-30

申请号：US15749668

申请日：2017-04-11

申请人： LG Chem, Ltd.

发明人： Sei-Woon Oh ,  Sun-Hwak Woo ,  Soo-Ji Hwang ,  Hyun-Min Kim ,  Eun-Ju Lee

IPC分类号： B29C51/10 ,  B29C51/14 ,  H01M2/02 ,  H01M10/04

CPC分类号： B29C51/10 ,  B29C33/24 ,  B29C51/00 ,  B29C51/14 ,  B29D99/006 ,  B29K2023/12 ,  B29K2067/003 ,  B29K2105/256 ,  B29L2031/3468 ,  H01M2/0207 ,  H01M2/026 ,  H01M2/0287 ,  H01M10/0436

摘要： An apparatus and method are provided for forming a pouch case with improved forming quality and minimized surface contact between the forming apparatus and the pouch case in the forming process to form a pouch cup. The apparatus includes a mold on which a pouch case with a plate shape can be placed, wherein the mold bulges upwards, a chamber open at bottom to the pouch case and the mold, the chamber having an inner space in which the mold can be received by lift-up of the mold or lift-down of the chamber, wherein the chamber is seated on an edge portion of the pouch case, and the chamber is equipped with a fluid input valve at top and a fluid output valve at bottom, and a fluid supply unit configured to supply a fluid via the fluid input valve to carry out pressure forming of the pouch case.

公开(公告)号：US20150270552A1

公开(公告)日：2015-09-24

申请号：US14437976

申请日：2014-03-19

申请人： LG CHEM, LTD.

发明人： Sang-Kyun Lee ,  Byoung-Bae Lee ,  Ki-Young Kwon ,  Bok-Kyu Choi ,  Sei-Woon Oh

IPC分类号： H01M4/62 ,  H01M4/485 ,  H01M4/04 ,  H01M4/36 ,  H01M4/38 ,  H01M10/052 ,  H01M4/505 ,  H01M4/525

CPC分类号： H01M4/622 ,  H01M4/0404 ,  H01M4/13 ,  H01M4/131 ,  H01M4/139 ,  H01M4/1391 ,  H01M4/364 ,  H01M4/386 ,  H01M4/387 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/623 ,  H01M4/625 ,  H01M4/626 ,  H01M4/663 ,  H01M10/052

摘要： The present disclosure relates to an electrode that may minimize an electrical resistance increase caused by a binder polymer or a conductive material used in the electrode and provide a high capacity, a method for manufacturing the same, and an electrochemical device comprising the electrode, and an electrode mix slurry is prepared using a high shearing mixing process for each step such that fine grained conductive material and a binder polymer are uniformly dispersed in an electrode mix, and a high capacity electrode active material is used in the electrode mix, to manufacture a high capacity electrochemical device.

摘要翻译： 本公开内容涉及一种电极，其可以使由电极中使用的粘合剂聚合物或导电材料引起的电阻增加最小化，并提供高容量，其制造方法以及包含该电极的电化学装置， 使用高剪切混合方法制备电极混合浆料，以使细粒导电材料和粘合剂聚合物均匀地分散在电极混合物中，并且在电极混合物中使用高容量电极活性材料，以制造高 容量电化学装置。

公开(公告)号：US10804580B2

公开(公告)日：2020-10-13

申请号：US15760301

申请日：2017-03-03

申请人： LG CHEM, LTD.

发明人： Soo-Youl Kim ,  Sei-Woon Oh

IPC分类号： H01M10/00 ,  H01M10/655 ,  C08L83/04 ,  H01M10/613 ,  H01M10/6555 ,  H01M2/10 ,  H01M10/647 ,  H01M10/625

摘要： The present disclosure discloses a cell assembly including: a plurality of cells arranged at predetermined intervals; and a cushion pad disposed between the cells to be in surface contact with the cells and configured to absorb volumetric expansion of the cells, wherein the cushion pad has a thermal conductivity of 1.5 W/mK or higher.

公开(公告)号：US10340498B2

公开(公告)日：2019-07-02

申请号：US15480766

申请日：2017-04-06

申请人： LG Chem, Ltd.

发明人： Sei-Woon Oh ,  Seong-Yoon Lim ,  Ji-Hyun Kim ,  Won-Seok Jeong

IPC分类号： H01M2/26 ,  H01M4/70 ,  H01M10/0585 ,  H01M10/052 ,  H01M10/0525 ,  H01M2/20

摘要： Disclosed is a battery cell, including an electrode assembly including electrode plates respectively having an electrode tab protruding therefrom and separators, which are alternately stacked, the electrode tabs being bent in an upper direction of the electrode assembly, the electrode assembly including an electrode lead coupled with an end of the bent electrode tabs to form a tab-lead coupler; and a battery case configured to accommodate the electrode assembly so that the electrode lead is partially exposed outwards. The tab-lead coupler is located on an extension line of an outermost electrode plate of the electrode assembly, which is located at a side where the electrode tabs are bent, and the tab-lead coupler is opposite to one side of the electrode assembly having the protruded electrode tab to come into contact with one side of the electrode assembly or be spaced apart therefrom.

公开(公告)号：US20170214028A1

公开(公告)日：2017-07-27

申请号：US15480766

申请日：2017-04-06

申请人： LG Chem, Ltd.

发明人： Sei-Woon Oh ,  Seong-Yoon Lim ,  Ji-Hyun Kim ,  Won-Seok Jeong

IPC分类号： H01M2/26 ,  H01M10/0585 ,  H01M10/0525

CPC分类号： H01M2/266 ,  H01M2/202 ,  H01M4/70 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2220/20 ,  H01M2220/30 ,  Y02T10/7011

摘要： Disclosed is a battery cell, including an electrode assembly including electrode plates respectively having an electrode tab protruding therefrom and separators, which are alternately stacked, the electrode tabs being bent in an upper direction of the electrode assembly, the electrode assembly including an electrode lead coupled with an end of the bent electrode tabs to form a tab-lead coupler; and a battery case configured to accommodate the electrode assembly so that the electrode lead is partially exposed outwards. The tab-lead coupler is located on an extension line of an outermost electrode plate of the electrode assembly, which is located at a side where the electrode tabs are bent, and the tab-lead coupler is opposite to one side of the electrode assembly having the protruded electrode tab to come into contact with one side of the electrode assembly or be spaced apart therefrom.