公开(公告)号：US20250046874A1

公开(公告)日：2025-02-06

申请号：US18488930

申请日：2023-10-17

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 ,  H01M4/52 ,  H01M4/583 ,  H01M10/0567 ,  H01M10/0568

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte are provided. The electrolyte includes a non-aqueous organic solvent and a lithium salt, and the non-aqueous organic solvent includes about 10 to 30 vol % of a halogenated N,N-dialkyl methanesulfonamide solvent, based on a total amount of the non-aqueous organic solvent.

公开(公告)号：US20250038270A1

公开(公告)日：2025-01-30

申请号：US18732446

申请日：2024-06-03

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0569 ,  H01M4/02 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568

Abstract: A rechargeable lithium battery may include 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; and an additive represented by Chemical Formula 1:

公开(公告)号：US20250038265A1

公开(公告)日：2025-01-30

申请号：US18734868

申请日：2024-06-05

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 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

Abstract: An electrolyte for a rechargeable lithium battery 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: A rechargeable lithium battery includes a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and the electrolyte.

公开(公告)号：US20250038258A1

公开(公告)日：2025-01-30

申请号：US18667775

申请日：2024-05-17

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42

Abstract: Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte for a rechargeable lithium battery including 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. The description of each of the chemical formulas is provided in the specification.

公开(公告)号：US20240145792A1

公开(公告)日：2024-05-02

申请号：US18459306

申请日：2023-08-31

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/42 ,  H01M4/38 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/4235 ,  H01M4/386 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M2300/0037

Abstract: Provided is a rechargeable lithium battery including an electrolyte solution including a non-aqueous organic solvent, a lithium salt, and an additive; a 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 additive includes one or more lithium compound selected from lithium tetrafluoro borate (LiBF4), lithium difluoro(oxalato)borate (LiDFOB), lithium difluorophosphate (LiPO2F2), and lithium bisoxalato borate (LiB(C2O4)2: LiBOB), and the positive electrode active material includes a cobalt-free lithium nickel manganese-based oxide.

公开(公告)号：US20240047746A1

公开(公告)日：2024-02-08

申请号：US18002853

申请日：2022-04-06

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/38 ,  H01M4/133 ,  H01M4/134

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/386 ,  H01M4/133 ,  H01M4/134 ,  H01M2004/021

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

公开(公告)号：US20230361347A1

公开(公告)日：2023-11-09

申请号：US18044971

申请日：2021-11-17

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/485 ,  H01M10/0568 ,  H01M4/505 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M2004/028

Abstract: Provided are an additive represented by Chemical Formula 1, an electrolyte for a lithium secondary battery including the same, and a lithium secondary battery. Details of Chemical Formula 1 are the same as those described in the specification.

公开(公告)号：US20230094024A1

公开(公告)日：2023-03-30

申请号：US17893027

申请日：2022-08-22

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/525 ,  H01M4/587 ,  H01M4/62 ,  H01M4/131

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 including a non-aqueous organic solvent, a lithium salt, and an additive represented by Chemical Formula 1, wherein a volume of the rechargeable lithium battery is about 5 cm3 to about 200 cm3. Details of Chemical Formula 1 are as described in the specification.

公开(公告)号：US20230093801A1

公开(公告)日：2023-03-30

申请号：US17892994

申请日：2022-08-22

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  H01M4/58 ,  H01M4/62

Abstract: A rechargeable lithium battery includes a positive electrode including a positive active material layer; a negative electrode including a negative active material layer;
and an electrolyte solution including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the positive active material layer includes a positive active material and carbon nanotubes, the carbon nanotubes are greater than about 0.1 wt % and less than about 3.0 wt % in amount based on a total weight of the positive active material layer, and the additive includes a compound represented by Chemical Formula 1. Details of Chemical Formula 1 are as described in the specification.

公开(公告)号：US20160056503A1

公开(公告)日：2016-02-25

申请号：US14705306

申请日：2015-05-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Pavel Alexandrovich SHATUNOV ,  Sanghoon KIM ,  Harim LEE ,  Makhmut KHASANOV ,  Inhaeng CHO ,  Woocheol SHIN

IPC: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  C07F9/6521 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07F9/6521 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/30 ,  H01M2300/0037

Abstract: Provided are an additive for an electrolyte of a lithium battery; an electrolyte having the same; and a lithium battery using the electrolyte. The additive for an electrolyte of a lithium battery includes a triazine triphosphonate compound.

Abstract translation: 提供了锂电池的电解质的添加剂; 具有该电解质的电解质; 和使用电解质的锂电池。 用于锂电池的电解质的添加剂包括三嗪三膦酸盐化合物。