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.

公开(公告)号：US20230100719A1

公开(公告)日：2023-03-30

申请号：US17801407

申请日：2021-11-09

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Sung Guk Park

IPC: H01M10/0567 ,  H01M50/46 ,  H01M4/40 ,  H01M4/583 ,  H01M4/38 ,  H01M10/0568

Abstract: The present invention provides a non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same. Specifically, since the non-aqueous electrolyte solution forms a robust solid electrolyte interphase (SEI) by including a lithium salt, an organic solvent, and a compound represented by Formula 1, the non-aqueous electrolyte solution for a lithium secondary battery may improve battery performance, wherein, in Formula 1, R and R1 are described herein.

公开(公告)号：US20240243360A1

公开(公告)日：2024-07-18

申请号：US18562646

申请日：2022-07-15

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Sung Guk Park ,  Chul Haeng Lee

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/04 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/0404 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0569 ,  H01M2004/028

Abstract: A non-aqueous electrolyte solution includes a lithium salt; an organic solvent; and a compound represented by Formula 1 as follows, wherein the present invention provides the non-aqueous electrolyte solution capable of improving lithium ion transport properties, electrochemical stability, and battery durability:






wherein R1 to R6 are described herein.

公开(公告)号：US20220320583A1

公开(公告)日：2022-10-06

申请号：US17702948

申请日：2022-03-24

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Sung Guk Park

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  C07D233/60

Abstract: An electrolyte solution additive for a secondary battery, a non-aqueous electrolyte solution including the same, and a lithium secondary battery including the same are disclosed herein. To be specific, the above non-aqueous electrolyte solution includes the electrolyte solution additive comprising the compound represented by Formula 1: wherein, in Formula 1, R1 and R2 are each independently an unsubstituted or substituted alkylene group having 1 to 5 carbon atoms, and L is a direct bond, —O—, —COO—, —RO—, or —R′COO—, wherein R and R′ are each independently an alkylene group having 1 to 10 carbon atoms. The additive has an excellent effect of scavenging a decomposition product generated from a lithium salt.

公开(公告)号：US11916197B2

公开(公告)日：2024-02-27

申请号：US17702948

申请日：2022-03-24

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Sung Guk Park

IPC: H01M10/0567 ,  H01M10/0525 ,  C07D233/60 ,  H01M10/0569 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  C07D233/60 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

Abstract: An electrolyte solution additive for a secondary battery, a non-aqueous electrolyte solution including the same, and a lithium secondary battery including the same are disclosed herein. To be specific, the above non-aqueous electrolyte solution includes the electrolyte solution additive comprising the compound represented by Formula 1:






wherein, in Formula 1, R1 and R2 are each independently an unsubstituted or substituted alkylene group having 1 to 5 carbon atoms, and L is a direct bond, —O—, —COO—, —RO—, or —R′COO—, wherein R and R′ are each independently an alkylene group having 1 to 10 carbon atoms. The additive has an excellent effect of scavenging a decomposition product generated from a lithium salt.

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：US20230088739A1

公开(公告)日：2023-03-23

申请号：US17872361

申请日：2022-07-25

Applicant: LG Energy Solution, Ltd.

Inventor： Jeong Woo Oh ,  Chul Haeng Lee ,  Yu Ha An ,  Sung Guk Park

IPC: H01M10/0568 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525 ,  H01M4/485 ,  H01M4/04 ,  H01M10/0567 ,  H01M10/0569 ,  H01M50/46

Abstract: The present invention relates to a non-aqueous electrolyte comprising a lithium salt; an organic solvent; and a compound represented by Chemical Formula 1, wherein the invention can control moisture in the lithium secondary battery in which the non-aqueous electrolyte is used, suppress by-product formation according to moisture control, and improve the durability of the solid electrolyte layer, thereby improving the durability thereof, wherein L1 and L2 are each independently a single bond or an alkylene group having 1 to 5 carbon atoms, and R1 is hydrogen or an alkyl group having 1 to 5 carbon atoms.

公开(公告)号：US12113173B2

公开(公告)日：2024-10-08

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 ,  Young 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：US20240274880A1

公开(公告)日：2024-08-15

申请号：US18564848

申请日：2022-11-29

Applicant: LG Energy Solution, Ltd.

Inventor： Sung Guk Park ,  Jeong Woo Oh ,  Chul Haeng Lee

IPC: H01M10/0567 ,  C07D233/58 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  C07D233/58 ,  H01M2004/028 ,  H01M2300/0028

Abstract: A non-aqueous electrolyte contains a lithium salt including LiPF6; an organic solvent; and an additive represented by Formula 1






wherein, R may be any one selected from the group consisting of a halogen element and a haloalkyl group having 1 to 10 carbon atoms.

公开(公告)号：US12027668B2

公开(公告)日：2024-07-02

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 ,  C07D231/12 ,  H01M4/36 ,  H01M4/38 ,  H01M4/48 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42 ,  H01M4/02

CPC classification number: H01M10/0567 ,  C07D231/12 ,  H01M4/364 ,  H01M4/386 ,  H01M4/483 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0037

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.