公开(公告)号：US20250046876A1

公开(公告)日：2025-02-06

申请号：US18677860

申请日：2024-05-29

Applicant: SAMSUNG SDI CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Tae Hyon BAE ,  Harim LEE ,  Sanghyung KIM ,  Aehui GOH ,  Seunghyeon SON ,  Arum YU ,  Sanghoon KIM ,  Nam-Soon CHOI ,  Saehun KIM ,  Jeong-A LEE

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

Abstract: Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, wherein the electrolyte includes a non-aqueous organic solvent and a lithium salt, wherein the non-aqueous organic solvent includes two or more propionate-based solvents, and the propionate-based solvents include alkyl fluorinated propionate and propyl propionate.

公开(公告)号：US20250046870A1

公开(公告)日：2025-02-06

申请号：US18739198

申请日：2024-06-10

Applicant: Samsung SDI Co., Ltd.

Inventor： Sanghyung KIM ,  Tae Hyon BAE ,  Harim LEE ,  Seunghyeon SON ,  Youngkyeong SHIN ,  Sanghoon KIM ,  Arum YU

IPC: H01M10/0567 ,  H01M4/00 ,  H01M4/02 ,  H01M10/052 ,  H01M10/0569

Abstract: A rechargeable lithium battery including a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, and an electrolyte is provided. An active mass density of the negative electrode is greater than or equal to about 1.7 g/cc, and the electrolyte includes a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2.

公开(公告)号：US20250038261A1

公开(公告)日：2025-01-30

申请号：US18670322

申请日：2024-05-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Youngkyeong SHIN ,  Tae Hyon BAE ,  Harim LEE ,  Sanghyung KIM ,  Seunghyeon SON ,  Arum YU ,  Sanghoon KIM

IPC: H01M10/0567 ,  H01M4/02 ,  H01M10/0569

Abstract: A rechargeable lithium battery includes a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and an electrolyte, wherein an active mass density of the negative electrode is greater than or equal to about 1.7 g/cc, and the electrolyte includes a lithium salt; a non-aqueous organic solvent; an additive represented by Chemical Formula 1: The description of the chemical formula follows the specification.

公开(公告)号：US20250038260A1

公开(公告)日：2025-01-30

申请号：US18669365

申请日：2024-05-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyunbong CHOI ,  Yeji YANG ,  Injun PARK ,  Sangwoo PARK ,  Hongryeol PARK ,  Sohee KIM ,  Sanghoon KIM

IPC: H01M10/0567 ,  C07F9/46 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/42

Abstract: An additive represented by Chemical Formula 1, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery are disclosed: Chemical Formula 1 The description of Chemical Formula 1 follows the specification.

公开(公告)号：US20240322239A1

公开(公告)日：2024-09-26

申请号：US18497898

申请日：2023-10-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sundae KIM ,  Yeji YANG ,  Sanghoon KIM ,  Hyunbong CHOI ,  Dahyun KIM ,  Hongryeol PARK ,  Sangwoo PARK

IPC: H01M10/0567 ,  C07C69/96 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0569 ,  H01M10/42

CPC classification number: H01M10/0567 ,  C07C69/96 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0569 ,  H01M10/4235 ,  H01M2004/028 ,  H01M2300/0028 ,  H01M2300/0037

Abstract: Provided is a rechargeable lithium battery including an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive; positive electrode including a positive electrode active material; and a negative electrode including a negative electrode active material, wherein the non-aqueous organic solvent includes less than about 5 wt % of ethylene carbonate based on the total weight of the non-aqueous organic solvent, the positive electrode active material includes a lithium nickel manganese-based oxide, and the additive comprises a compound represented by Chemical Formula 1.

公开(公告)号：US20240222704A1

公开(公告)日：2024-07-04

申请号：US18464904

申请日：2023-09-11

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Yeji YANG ,  Sangwoo PARK ,  Sundae KIM ,  Sanghoon KIM ,  Hyunbong CHOI ,  Hongryeol PARK ,  Dahyun KIM

IPC: H01M10/0567 ,  C07D213/80 ,  C07D239/28 ,  H01M4/36 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/44

CPC classification number: H01M10/0567 ,  C07D213/80 ,  C07D239/28 ,  H01M4/366 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/44 ,  H01M2004/027 ,  H01M2300/0037 ,  H01M2300/0051

Abstract: An additive for an electrolyte represented by Chemical Formula 1, and an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The details of Chemical Formula 1 are as described in the specification.

公开(公告)号：US20230361345A1

公开(公告)日：2023-11-09

申请号：US18044366

申请日：2021-10-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyejin PARK ,  Sujeong KOH ,  Dahyun KIM ,  Myunghoon KIM ,  Sanghyung KIM ,  Sanghoon KIM ,  Seungryong OH

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

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M10/052 ,  H01M2300/0042

Abstract: Provided are a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including same, in which the non-aqueous electrolyte comprises: a non-aqueous organic solvent; a lithium salt; and a first additive represented by Chemical Formula 1 and a second additive represented by Chemical Formula 2 in a ratio of 0.5:1 to 10:1 by weight.

公开(公告)号：US20230344004A1

公开(公告)日：2023-10-26

申请号：US18013824

申请日：2021-12-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dahyun KIM ,  Minseo KIM ,  Sanghyung KIM ,  Sanghoon KIM ,  Hyejin PARK ,  Myungheui WOO ,  Bokyung RYU ,  Tae Jin LEE ,  Wonseok CHO

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

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2300/004

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including same, the electrolyte including a nonaqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition comprising a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.
The details of Chemical Formulas 1 and 2 are as set forth in the specification.

公开(公告)号：US20230317947A1

公开(公告)日：2023-10-05

申请号：US18194450

申请日：2023-03-31

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Myungheui WOO ,  Sanghoon KIM ,  Arum YU

IPC: H01M4/60 ,  H01M4/525 ,  H01M4/131

CPC classification number: H01M4/60 ,  H01M4/525 ,  H01M4/131 ,  H01M2004/028

Abstract: Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. For example, one or more embodiments provide a positive electrode for a rechargeable lithium battery including a positive electrode current collector and a positive electrode active material layer on one surface or two opposing surfaces of the positive electrode current collector, wherein the positive electrode active material layer includes a metal organic framework of ZIF-8, MOF-177, HKUST-1, Fe-BTC, or a combination thereof; and a positive electrode active material that is a nickel-based oxide.

公开(公告)号：US20230098836A1

公开(公告)日：2023-03-30

申请号：US17893014

申请日：2022-08-22

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungryong OH ,  Myunghoon KIM ,  Sanghoon KIM ,  Yunhee KIM ,  Injun PARK ,  Hongryeol PARK ,  Jeongmin SHIN ,  Myunghwan JEONG ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/505 ,  H01M4/525 ,  H01M4/485 ,  H01M10/0568 ,  H01M4/36 ,  H01M4/38

Abstract: A rechargeable lithium battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; and an electrolyte solution including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the negative active material includes a Si composite and the additive includes a compound represented by Chemical Formula 1. Details of Chemical Formula 1 are as described in the specification.