公开(公告)号：US20250158121A1

公开(公告)日：2025-05-15

申请号：US18795855

申请日：2024-08-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Olga TSAY ,  SANGHOON KIM ,  TAE HYON BAE ,  Harim LEE ,  Youngkyeong SHIN ,  Seunghyeon SON ,  Sanghyung KIM

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0583 ,  H01M10/36

Abstract: A rechargeable lithium battery includes an electrolyte. The electrolyte comprises a non-aqueous organic solvent, a lithium salt, and an additive including an azide group and a sulfonyl group substituted with a halogen element.

公开(公告)号：US20250038249A1

公开(公告)日：2025-01-30

申请号：US18749353

申请日：2024-06-20

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/052 ,  H01M4/02 ,  H01M4/38 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: A lithium secondary battery includes: a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and an electrolyte, wherein the negative electrode has a composite density of at least 1.7 g/cc, and the electrolyte includes a lithium salt, a non-aqueous organic solvent, a first additive represented by Formula 1, a second additive represented by Formula 2, and a third additive represented by Formula 3:

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：US20250046868A1

公开(公告)日：2025-02-06

申请号：US18666680

申请日：2024-05-16

Applicant: SAMSUNG SDI CO., LTD.

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

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

Abstract: Disclosed is a rechargeable lithium battery, the 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, 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; a first additive represented by Chemical Formula 1; a second additive represented by Chemical Formula 2; and a third additive represented by Chemical Formula 3. The description of each chemical formula is provided in the specification.

公开(公告)号：US20250038264A1

公开(公告)日：2025-01-30

申请号：US18732462

申请日：2024-06-03

Applicant: Samsung SDI Co., Ltd.

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

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

Abstract: An electrolyte for a rechargeable lithium battery may include 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: R1—O—R2  Chemical Formula 1 R3—O—R4.  Chemical Formula 2 The description of each chemical formulas follows the specification.

公开(公告)号：US20250038259A1

公开(公告)日：2025-01-30

申请号：US18667914

申请日：2024-05-17

Applicant: SAMSUNG SDI CO., LTD.

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

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

Abstract: Disclosed is a rechargeable lithium battery, the 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, 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; a first additive represented by Chemical Formula 1; and a second additive represented by Chemical Formula 2:

公开(公告)号：US20250158119A1

公开(公告)日：2025-05-15

申请号：US18766280

申请日：2024-07-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Olga TSAY ,  Seunghyeon SON ,  SANGHOON KIM ,  TAE HYON BAE ,  Harim LEE ,  Youngkyeong SHIN ,  Sanghyung KIM

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

Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and a salt additive including a sulfonyl group substituted with a perhalogenated alkyl group and a cyano group. In addition, a rechargeable lithium battery including the electrolyte is also disclosed.

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.