公开(公告)号：US20150249267A1

公开(公告)日：2015-09-03

申请号：US14425166

申请日：2013-11-22

Applicant: LG Chem, Ltd.

Inventor： Yourim Yoon ,  Jong Mo Jung ,  Jonghyun Chae ,  Chul Haeng Lee ,  Geun Chang Chung ,  Young Cheol Choi ,  Young Geun Choi ,  Seung Jae Yoon

IPC: H01M10/0567 ,  H01M4/587 ,  H01M4/36 ,  H01M4/62 ,  H01M10/052 ,  H01M4/58

CPC classification number: H01M10/0567 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/625 ,  H01M10/052 ,  H01M2220/20 ,  H01M2300/0025 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Disclosed is an electrolyte for lithium secondary batteries including a lithium salt and a non-aqueous solvent, in which a silane based material is included in an amount of 0.1 to 20 wt % based on the total weight of the electrolyte, and a lithium secondary battery including the same.

Abstract translation: 公开了一种锂二次电池的电解质，其包括锂盐和非水溶剂，其中基于电解质的总重量包含0.1至20重量％的硅烷基材料和锂二次电池 包括相同。

公开(公告)号：US09054390B2

公开(公告)日：2015-06-09

申请号：US14098921

申请日：2013-12-06

Applicant: LG Chem, Ltd.

Inventor： Kyoung Ho Ahn ,  Chul Haeng Lee ,  Min Jung Kim ,  Doo Kyung Yang

IPC: H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  Y02E60/122 ,  Y02T10/7011

Abstract: The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly.

Abstract translation: 本发明涉及一种锂二次电池用电解质，其包含非水溶剂，锂盐和具有全氟烷基的添加剂。 通过将具有特定结构的添加剂包括在电解质中，可以大大提高锂二次电池的输出。

公开(公告)号：US20140349198A1

公开(公告)日：2014-11-27

申请号：US14448155

申请日：2014-07-31

Applicant: LG Chem, Ltd.

Inventor： Young Min Lim ,  Chul Haeng Lee ,  Doo Kyung Yang ,  Shul Kee Kim

IPC: H01M10/0569 ,  H01M4/52 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M10/0569 ,  H01M4/505 ,  H01M4/525 ,  H01M4/623 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M2300/0037 ,  Y02E60/122 ,  Y02T10/7011

Abstract: Provided are a non-aqueous electrolyte solution, which includes a non-aqueous organic solvent including propylene carbonate (PC) and an ester-based solvent, and lithium bis(fluorosulfonyl)imide (LiFSI), and a lithium secondary battery including the non-aqueous electrolyte solution.According to the non-aqueous electrolyte solution of the present invention, since a robust solid electrolyte interface (SEI) may be formed on an anode during initial charge of a lithium secondary battery including the non-aqueous electrolyte solution, high-temperature cycle characteristics and capacity characteristics after high-temperature storage as well as low-temperature, room temperature, and high-temperature output characteristics may be simultaneously improved.

Abstract translation: 本发明提供一种非水电解质溶液，其包括碳酸丙烯酯（PC）和酯类溶剂的非水有机溶剂和双（氟磺酰基）酰亚胺锂（LiFSI）以及锂二次电池， 水性电解质溶液。 根据本发明的非水电解质溶液，由于在包含非水电解质溶液的锂二次电池的初始充电期间，可以在阳极上形成坚固的固体电解质界面（SEI），高温循环特性和 可以同时提高高温储存后的容量特性以及低温，室温和高温输出特性。

公开(公告)号：US20140272605A1

公开(公告)日：2014-09-18

申请号：US14293101

申请日：2014-06-02

Applicant: LG CHEM, LTD.

Inventor： Young Min Lim ,  Chul Haeng Lee ,  Doo Kyung Yang ,  Kyoung Ho Ahn ,  Gwang Yeon Kim

IPC: H01M10/0567 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/13 ,  H01M6/164 ,  H01M6/166 ,  H01M6/168 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  Y02E60/122

Abstract: Provided are a non-aqueous electrolyte solution which includes a lithium salt including lithium bis(fluorosulfonyl)imide (LiFSI) and an additive including a vinylene carbonate-based compound and a sultone-based compound, and a lithium secondary battery including the non-aqueous electrolyte solution. The lithium secondary battery including the non-aqueous electrolyte solution of the present invention may improve low-temperature output characteristics, high-temperature cycle characteristics, output characteristics after high-temperature storage, and capacity characteristics.

Abstract translation: 提供一种非水电解质溶液，其包括包含双（氟磺酰基）酰亚胺锂（LiFSI）和包含碳酸亚乙烯酯系化合物和磺内酯类化合物的添加剂的锂盐，以及包含非水性的锂二次电池 电解液。 包括本发明的非水电解液的锂二次电池可以提高低温输出特性，高温循环特性，高温保存后的输出特性和容量特性。

公开(公告)号：US08758934B2

公开(公告)日：2014-06-24

申请号：US14098940

申请日：2013-12-06

Applicant: LG Chem, Ltd.

Inventor： Kyoung Ho Ahn ,  Chul Haeng Lee ,  Min Jung Kim ,  Doo Kyung Yang

IPC: H01M10/0567 ,  H01M10/056 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

Abstract: The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly.

Abstract translation: 本发明涉及一种锂二次电池用电解质，其包含非水溶剂，锂盐和具有全氟烷基的添加剂。 通过将具有特定结构的添加剂包括在电解质中，可以大大提高锂二次电池的输出。

公开(公告)号：US20140093789A1

公开(公告)日：2014-04-03

申请号：US14098940

申请日：2013-12-06

Applicant: LG Chem, Ltd.

Inventor： Kyoung Ho Ahn ,  Chul Haeng Lee ,  Min Jung Kim ,  Doo Kyung Yang

IPC: H01M10/0567 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

Abstract: The present disclosure relates to an electrolyte for a lithium secondary battery, comprising a non-aqueous solvent, a lithium salt and an additive having a perfluoroalkyl group. By including the additive having a specific structure in the electrolyte, the output of the lithium secondary battery can be improved greatly.

Abstract translation: 本发明涉及一种锂二次电池用电解质，其包含非水溶剂，锂盐和具有全氟烷基的添加剂。 通过将具有特定结构的添加剂包括在电解质中，可以大大提高锂二次电池的输出。

公开(公告)号：US11967732B2

公开(公告)日：2024-04-23

申请号：US17044370

申请日：2019-04-29

Applicant: LG CHEM, LTD.

Inventor： Won Kyung Shin ,  Kyoung Ho Ahn ,  Chul Haeng Lee

IPC: H01M50/446 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0565

CPC classification number: H01M50/446 ,  H01M4/622 ,  H01M10/0525 ,  H01M10/0565

Abstract: The present invention provides a separation membrane for a lithium secondary battery and a lithium secondary battery including the same, the separation membrane including: a substrate; a first coating layer containing a first organic binder which is able to be bonded to a gel polymer electrolyte through an epoxy ring-opening reaction; and a second coating layer containing a second organic binder, wherein the first organic binder has a functional group capable of ring-opening reaction with an epoxy group, or a combination thereof, and the gel polymer electrolyte is formed by polymerizing an oligomer having an epoxy group, a functional group capable of ring-opening reaction with an epoxy group, or a combination thereof.

公开(公告)号：US11958941B2

公开(公告)日：2024-04-16

申请号：US17295994

申请日：2020-08-10

Applicant: LG Chem, Ltd.

Inventor： Jeongae Yoon ,  Solji Park ,  Kyoung Ho Ahn ,  Sujeong Kim ,  Chul Haeng Lee ,  Sung Soo Yoon

IPC: H01M10/0525 ,  C08G77/442 ,  H01M10/0565

CPC classification number: C08G77/442 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2300/0082 ,  H01M2300/0085

Abstract: A polymer for a gel polymer electrolyte, a gel polymer electrolyte and a lithium secondary battery comprising the same are disclosed herein. In some embodiments, a polymer for the gel polymer electrolyte includes a copolymer having a main chain and a first side chain and a second side chain bonded to the main chain, wherein the main chain contains a fluoropolymer, wherein the first side chain contains a siloxane group and the second side chain contains an acrylic polymer. The polymer improves stability of a gel polymer electrolyte and a lithium secondary battery including the same.

公开(公告)号：US11929519B2

公开(公告)日：2024-03-12

申请号：US16768929

申请日：2019-01-17

Applicant: LG CHEM, LTD.

Inventor： Won Kyung Shin ,  Kyoung Ho Ahn ,  Chul Haeng Lee ,  Jae Won Lee

IPC: H01M50/446 ,  C08F120/12 ,  C09D101/02 ,  C09D127/16 ,  C09D171/02 ,  C09D179/08 ,  H01M10/0525 ,  H01M10/0565 ,  H01M50/417 ,  H01M50/42 ,  H01M50/426 ,  H01M50/449 ,  H01M50/451 ,  H01M50/454

CPC classification number: H01M50/446 ,  C08F120/12 ,  C09D101/02 ,  C09D127/16 ,  C09D171/02 ,  C09D179/08 ,  H01M10/0525 ,  H01M10/0565 ,  H01M50/42 ,  H01M50/449 ,  H01M50/451 ,  H01M50/417 ,  H01M50/426 ,  H01M50/454 ,  H01M2300/0082 ,  H01M2300/0085

Abstract: The present invention relates to a separator for a secondary battery, the separator including a substrate and a coating layer formed on the surface of the substrate, wherein the coating layer includes an organic binder and inorganic particles, and the organic binder contains an ethylenically unsaturated group, and to a lithium secondary battery including the same.

公开(公告)号：US11876177B2

公开(公告)日：2024-01-16

申请号：US16606972

申请日：2018-08-24

Applicant: LG Chem, Ltd.

Inventor： Sung Hoon Yu ,  Chul Haeng Lee ,  Hyun Seung Kim

IPC: H01M10/0567 ,  C07C69/96 ,  C07C305/14 ,  C07C305/18 ,  C07C309/67 ,  H01M10/0525 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  C07C69/96 ,  C07C305/14 ,  C07C305/18 ,  C07C309/67 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2300/0025

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution for a lithium secondary battery, includes an additive having metal ion adsorbability and capable of forming a stable ion conductive film on the surface of an electrode. In some embodiments, a lithium secondary battery including the same has an improved an abnormal voltage drop phenomenon.