公开(公告)号：US20170125847A1

公开(公告)日：2017-05-04

申请号：US15341193

申请日：2016-11-02

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Hyun Yeong Lee ,  Yoo Sun Kang ,  Kyung Mi Lee

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

Abstract: The present invention relates to an additive for a non-aqueous electrolyte solution, which has an excellent effect of adsorbing metal ions dissolved from a positive electrode, a non-aqueous electrolyte solution for a lithium secondary battery including the same, and a lithium secondary battery including the non-aqueous electrolyte solution.

公开(公告)号：US20170125845A1

公开(公告)日：2017-05-04

申请号：US15332273

申请日：2016-10-24

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Yoo Sun Kang ,  Kyung Mi Lee

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0037 ,  Y02T10/7011

Abstract: The present invention relates to an additive for a non-aqueous electrolyte solution including a compound represented by Formula 1 below, a non-aqueous electrolyte solution for a lithium secondary battery including the same, and a lithium secondary battery including the non-aqueous electrolyte solution. NC—(R)n—CN   [Formula 1] (in Formula 1, R is a cycloalkylene group having 3 to 6 carbon atoms in which at least one cyano group (—CN) is substituted or unsubstituted, a haloalkylene group having 2 to 5 carbon atoms in which at least one cyano group (—CN) is substituted or unsubstituted, or an alkylene group having 2 to 5 carbon atoms in which at least one cyano group (—CN) is substituted, and n is an integer of 1 to 5.)

公开(公告)号：US20160028110A1

公开(公告)日：2016-01-28

申请号：US14413755

申请日：2014-10-28

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Kyung Mi Lee ,  Yoo Sun Kang ,  Jung Hoon Lee ,  Doo Kyung Yang

IPC: H01M10/0565 ,  H01M10/052

CPC classification number: H01M10/0565 ,  H01M2/32 ,  H01M4/667 ,  H01M10/052 ,  H01M10/0567 ,  H01M2220/30 ,  H01M2300/0082 ,  H01M2300/0085

Abstract: The present disclosure relates to a gel polymer electrolyte including an imide salt, and a lithium secondary battery including the same and having a protective film formed on a cathode tab. Disclosed are a gel polymer electrolyte that allows the production of a secondary battery having excellent quality with no corrosion of a cathode, while using, as an electrolyte, an imide-based salt effective for improvement of output quality and high-temperature storability, as well as a secondary battery including the same.

Abstract translation: 本公开涉及包含酰亚胺盐的凝胶聚合物电解质和包含该酰亚胺盐的锂二次电池，并且具有形成在阴极片上的保护膜。 公开了一种凝胶聚合物电解质，其可以生产具有优良品质的二次电池，而不会阴极腐蚀，同时使用有效提高输出质量和高温保存性能的酰亚胺盐 作为包含该二次电池的二次电池。

公开(公告)号：US20140220427A1

公开(公告)日：2014-08-07

申请号：US14248448

申请日：2014-04-09

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Doo Kyung Yang ,  Sun Sik Shin ,  Song Taek Oh ,  Yoo Sun Kang ,  Kyung Mi Lee ,  Jin Hyun Park ,  Jung Don Suk

IPC: H01M10/0565 ,  H01M10/052

CPC classification number: H01M10/0565 ,  C08L33/18 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2300/0085 ,  Y02E60/122 ,  C08F2222/322 ,  C08F2222/104

Abstract: Provided are a composition for a gel polymer electrolyte including i) an electrolyte solution solvent, ii) an ionizable lithium salt, iii) a polymerization initiator, and iv) a monomer having a functional group bondable to metal ions, and a lithium secondary battery including the composition for a gel polymer electrolyte.In a case where the composition for a gel polymer electrolyte of the present invention is used in a lithium secondary battery, since the movement of metal ions dissolved from a cathode to an anode may be prevented or the precipitation of metal on the anode may be reduced, the lifetime of the battery may not only be improved but capacity characteristics of the battery may also be excellent even in the case in which the battery is charged at a high voltage as well as normal voltage

Abstract translation: 提供一种凝胶聚合物电解质组合物，其包括i）电解质溶液，ii）可电离锂盐，iii）聚合引发剂，和iv）具有可与金属离子键合的官能团的单体，以及锂二次电池，包括 用于凝胶聚合物电解质的组合物。 在本发明的凝胶聚合物电解质组合物用于锂二次电池的情况下，由于可以防止从阴极溶解到阳极的金属离子的移动或金属在阳极上的沉淀可能降低 ，电池的寿命不仅可以改善，而且即使在电池在高电压以及正常电压下被充电的情况下，电池的容量特性也可以是优异的

公开(公告)号：US11139506B2

公开(公告)日：2021-10-05

申请号：US16328308

申请日：2018-02-01

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Yoo Sun Kang

IPC: H01M10/0567 ,  H01M10/0568 ,  C07F9/6574 ,  H01M10/0569 ,  H01M10/0525 ,  H01M10/44 ,  H01M4/48 ,  H01M4/587 ,  H01M4/36

Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same, and particularly, to a non-aqueous electrolyte solution for a lithium secondary battery which includes a fluorine-containing compound capable of forming a stable film on the surface of an electrode as an additive, and a lithium secondary battery including the same.

公开(公告)号：US20190334207A1

公开(公告)日：2019-10-31

申请号：US16086451

申请日：2018-01-15

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Kyung Mi Lee ,  Shul Kee Kim ,  Hyun Yeong Lee ,  Yoo Sun Kang

IPC: H01M10/0567 ,  C07C43/315 ,  C07C57/18 ,  C07D303/22 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525

Abstract: The present invention relates to an additive for a non-aqueous electrolyte solution, which may suppress the generation of metallic foreign matter causing a side effect in a battery while forming a stable film on the surface of an electrode, a non-aqueous electrolyte solution for a lithium secondary battery which includes the additive, and a lithium secondary battery including the non-aqueous electrolyte solution.

公开(公告)号：US10211483B2

公开(公告)日：2019-02-19

申请号：US15341193

申请日：2016-11-02

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Hyun Yeong Lee ,  Yoo Sun Kang ,  Kyung Mi Lee

IPC: H01M10/05 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

Abstract: The present invention relates to an additive for a non-aqueous electrolyte solution, which has an excellent effect of adsorbing metal ions dissolved from a positive electrode, a non-aqueous electrolyte solution for a lithium secondary battery including the same, and a lithium secondary battery including the non-aqueous electrolyte solution.

公开(公告)号：US20190013520A1

公开(公告)日：2019-01-10

申请号：US16130019

申请日：2018-09-13

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Kyung Mi Lee ,  Doo Kyung Yang ,  Yoo Sun Kang ,  Jung Hoon Lee

IPC: H01M4/525 ,  H01M10/052 ,  H01M4/505 ,  H01M10/0569 ,  H01M10/0567 ,  H01M10/0525 ,  H01M4/485 ,  H01M6/16 ,  H01M4/62 ,  H01M4/60 ,  H01M10/0568 ,  H01M4/02

Abstract: The present invention may improve the lifetime characteristics of a lithium secondary battery, and particularly, may provide a non-aqueous electrolyte solution or cathode including a phosphate-based compound which may exhibit stable and excellent lifetime characteristics at high temperature and high voltage regardless of the moisture content or the presence of a pressing process of the electrode.

公开(公告)号：US10115968B2

公开(公告)日：2018-10-30

申请号：US14442023

申请日：2014-10-27

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Kyung Mi Lee ,  Doo Kyung Yang ,  Yoo Sun Kang ,  Jung Hoon Lee

IPC: H01M10/0567 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/505 ,  H01M6/16 ,  H01M4/60 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/62 ,  H01M10/052 ,  H01M4/02 ,  H01M10/0568

Abstract: The present invention may improve the lifetime characteristics of a lithium secondary battery, and particularly, may provide a non-aqueous electrolyte solution or cathode including a phosphate-based compound which may exhibit stable and excellent lifetime characteristics at high temperature and high voltage regardless of the moisture content or the presence of a pressing process of the electrode.

公开(公告)号：US09882239B2

公开(公告)日：2018-01-30

申请号：US14248448

申请日：2014-04-09

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Doo Kyung Yang ,  Sun Sik Shin ,  Song Taek Oh ,  Yoo Sun Kang ,  Kyung Mi Lee ,  Jin Hyun Park ,  Jung Don Suk

IPC: H01M10/0565 ,  H01M10/052 ,  C08L33/18 ,  H01M4/505 ,  H01M4/525

CPC classification number: H01M10/0565 ,  C08L33/18 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2300/0085 ,  Y02E60/122 ,  C08F2222/322 ,  C08F2222/104

Abstract: Provided are a composition for a gel polymer electrolyte including i) an electrolyte solution solvent, ii) an ionizable lithium salt, iii) a polymerization initiator, and iv) a monomer having a functional group bondable to metal ions, and a lithium secondary battery including the composition for a gel polymer electrolyte.In a case where the composition for a gel polymer electrolyte of the present invention is used in a lithium secondary battery, since the movement of metal ions dissolved from a cathode to an anode may be prevented or the precipitation of metal on the anode may be reduced, the lifetime of the battery may not only be improved but capacity characteristics of the battery may also be excellent even in the case in which the battery is charged at a high voltage as well as normal voltage.