公开(公告)号：US12062759B2

公开(公告)日：2024-08-13

申请号：US17416218

申请日：2020-01-17

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Hyun Seung Kim ,  Hyung Tae Kim

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/4235

Abstract: An electrolyte for a lithium secondary battery and a lithium second battery including the same are disclosed herein. In some embodiments, an electrolyte includes an additive containing a compound represented by Formula 1, an oligomer containing a unit represented by Formula 2 and having an acrylate group at an end thereof, a lithium salt, and an organic solvent.

公开(公告)号：US20230395855A1

公开(公告)日：2023-12-07

申请号：US18269992

申请日：2022-08-18

Applicant: LG Energy Solution, Ltd.

Inventor： Sung Guk Park ,  Chul Haeng Lee ,  Jeong Woo Oh ,  Byung Chun Park ,  Hyung Tae Kim ,  Young Mi Seo

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M4/505 ,  H01M4/525 ,  H01M4/48 ,  H01M10/0568 ,  H01M10/42 ,  C07D231/12

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M4/505 ,  H01M4/525 ,  H01M4/483 ,  H01M10/0568 ,  H01M10/4235 ,  C07D231/12 ,  H01M2300/0037 ,  H01M2004/028

Abstract: A non-aqueous electrolyte solution for a lithium secondary battery includes a compound represented by Formula 1 as follows, a lithium salt, and an organic solvent; and a lithium secondary battery including the same are described:






wherein R, R′, R1 to R3 and n are described herein.

公开(公告)号：US20220393235A1

公开(公告)日：2022-12-08

申请号：US17623695

申请日：2020-08-26

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Hyung Tae Kim ,  Chul Haeng Lee

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/052 ,  H01M4/525 ,  H01M4/505 ,  H01M4/583 ,  C07C309/73

Abstract: An electrolyte solution additive, a non-aqueous electrolyte solution including the same, and a lithium secondary battery including the same are disclosed herein. In some embodiments, an electrolyte solution additive is represented by Formula 1 wherein, in Formula 1, R is a substituted or unsubstituted alkylene group having 1 to 5 carbon atoms.

公开(公告)号：US20220181691A1

公开(公告)日：2022-06-09

申请号：US17601820

申请日：2020-04-24

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Hyung Tae Kim

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M4/587

Abstract: A non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte for a lithium secondary battery includes an organic solvent, a lithium salt, and a compound represented by Formula 1. In some embodiments, the compound represented by Formula 1 is present in an amount of 0.1 part by weight to 3 parts by weight based on 100 parts by weight of the non-aqueous electrolyte.

公开(公告)号：US12148886B2

公开(公告)日：2024-11-19

申请号：US17601820

申请日：2020-04-24

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Hyung Tae Kim

IPC: H01M4/38 ,  H01M4/13 ,  H01M4/133 ,  H01M4/36 ,  H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525 ,  H01M4/58 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M4/02

Abstract: A non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte for a lithium secondary battery includes an organic solvent, a lithium salt, and a compound represented by Formula 1. In some embodiments, the compound represented by Formula 1 is present in an amount of 0.1 part by weight to 3 parts by weight based on 100 parts by weight of the non-aqueous electrolyte.

公开(公告)号：US20240274882A1

公开(公告)日：2024-08-15

申请号：US18574964

申请日：2022-09-29

Applicant: LG Energy Solution, Ltd.

Inventor： Hyung Tae Kim ,  Chul Haeng Lee ,  Jeong Woo Oh ,  Byung Chun Park ,  Yong Mi Seo ,  Sung Guk Park

IPC: H01M10/0567 ,  C07D207/335 ,  H01M10/0525 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  C07D207/335 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2300/0037

Abstract: A non-aqueous electrolyte including an additive represented by Formula 1 is described:






wherein in Formula 1, R may be any one selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkynyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, and a cycloalkenyl group having 3 to 12 carbon atoms, R1 and R2 may each independently be any one selected from the group consisting of hydrogen (H), an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkynyl group having 2 to 10 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, and a cycloalkenyl group having 3 to 12 carbon atoms, and A may be an alkylene group having 1 to 5 carbon atoms.

公开(公告)号：US20230101481A1

公开(公告)日：2023-03-30

申请号：US17956064

申请日：2022-09-29

Applicant: LG Energy Solution, Ltd.

Inventor： Hyung Tae Kim ,  Chul Haeng Lee ,  Jeong Woo Oh ,  Byung Chun Park ,  Young Mi Seo ,  Sung Guk Park

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/052 ,  C07D487/04

Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by Formula 1 below: wherein, R1 to R5 may each independently be any one selected from the group consisting of H, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and a nitrile group.

公开(公告)号：US20220231339A1

公开(公告)日：2022-07-21

申请号：US17614041

申请日：2020-08-25

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Hyung Tae Kim ,  Chul Haeng Lee

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/38 ,  H01M4/134 ,  H01M4/131 ,  H01M10/052 ,  C07C255/03

Abstract: A non-aqueous electrolyte and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte includes an organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Formula I and a compound represented by Formula II wherein, in Formula I, R1 is an alkylene group having 1 to 4 carbon atoms, and wherein, in Formula II, R2, R3, and R4 are each independently a fluorine atom or a fluorine-substituted alkyl group having 1 to 10 carbon atoms.

公开(公告)号：US20240154166A1

公开(公告)日：2024-05-09

申请号：US18275110

申请日：2022-10-04

Applicant: LG Energy Solution, Ltd.

Inventor： Ha Eun Kim ,  Chul Haeng Lee ,  Jeong Woo Oh ,  Byung Chun Park ,  Hyung Tae Kim ,  Young Mi Seo

IPC: H01M10/0567 ,  C07D233/58 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  C07D233/58 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2004/028

Abstract: The present disclosure relates to a lithium secondary battery in which an abnormal voltage drop phenomenon is improved. The lithium secondary battery comprises a negative electrode comprising a negative electrode active material, a positive electrode comprising a positive electrode active material represented by Formula 1, a separator disposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte solution, wherein the non-aqueous electrolyte solution comprises a lithium salt, a non-aqueous organic solvent, a compound represented by Formula 2 as a first additive, and lithium difluorophosphate as a second additive:


LiaNixCOyM1zM2wO2  [Formula 1]







wherein all the variables are described herein.

公开(公告)号：US11978857B2

公开(公告)日：2024-05-07

申请号：US17956064

申请日：2022-09-29

Applicant: LG Energy Solution, Ltd.

Inventor： Hyung Tae Kim ,  Chul Haeng Lee ,  Jeong Woo Oh ,  Byung Chun Park ,  Young Mi Seo ,  Sung Guk Park

IPC: H01M10/0568 ,  C07D487/04 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07D487/04 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0037

Abstract: The present disclosure provides a non-aqueous electrolyte including an additive for a non-aqueous electrolyte represented by Formula 1 below:




wherein, R1 to R5 may each independently be any one selected from the group consisting of H, an alkenyl group having 2 to 20 carbon atoms, an alkynyl group having 2 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, a cycloalkenyl group having 3 to 12 carbon atoms, and a nitrile group.