公开(公告)号：US20240322237A1

公开(公告)日：2024-09-26

申请号：US18493625

申请日：2023-10-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungryong OH ,  Jeongmin SHIN ,  Myunghoon KIM ,  Aeran KIM ,  Yunhee KIM ,  Injun PARK

IPC: H01M10/0567 ,  H01M4/36 ,  H01M4/38 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  H01M4/366 ,  H01M4/386 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M2004/021 ,  H01M2300/0025

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 solution including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the negative electrode active material includes a Si composite, the additive includes a compound represented by Chemical Formula 1, the lithium salt includes a compound represented by Chemical Formula 2, and the compound represented by Chemical Formula 2 is included in an amount of about 5 to about 70 wt % based on 100 wt % of the total amount of the lithium salt.

公开(公告)号：US20240297335A1

公开(公告)日：2024-09-05

申请号：US18467566

申请日：2023-09-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Myunghoon KIM ,  Yunhee KIM ,  Injun PARK ,  Aeran KIM ,  Seungryong OH ,  Jeongmin SHIN

IPC: H01M10/052 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/44

CPC classification number: H01M10/052 ,  H01M4/525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/44 ,  H01M2004/028

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 solution including a non-aqueous organic solvent, a lithium salt, and an additive. The positive electrode active material includes a composite oxide having a nickel content (e.g., amount) of greater than about 80 mol % based on a total amount of metals except lithium included in the composite. In addition, the lithium salt includes a compound represented by Chemical Formula 1; the additive includes a compound represented by Chemical Formula 2, and the compound represented by Chemical Formula 1 is included in about 10 wt % to about 80 wt % based on a total amount of the lithium salt.

公开(公告)号：US20220344715A1

公开(公告)日：2022-10-27

申请号：US17762816

申请日：2020-09-09

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Younghye KANG ,  Dongyoung KIM ,  Soojin KIM ,  Aeran KIM ,  Suyeol RYU ,  Jeongmin SHIN ,  Junyong LEE ,  Tae Jin LEE ,  Jin-Hyeok LIM ,  Myunghwan JEONG ,  Wonseok CHO ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0569

Abstract: Provided is an electrolyte solution for a lithium secondary battery, the electrolyte solution comprising a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Chemical Formula 1.
The contents of Chemical Formula 1 are the same as described in the specification.

公开(公告)号：US20240405274A1

公开(公告)日：2024-12-05

申请号：US18488872

申请日：2023-10-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungryong OH ,  Myunghoon KIM ,  Aeran KIM ,  Yunhee KIM ,  Injun PARK ,  Jeongmin SHIN

IPC: H01M10/0567 ,  H01M4/36 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0569

Abstract: A rechargeable lithium battery including a positive electrode, a negative electrode, and an electrolyte is provided. The electrolyte includes a non-aqueous organic solvent, a lithium salt, a first additive, and a second additive. The negative electrode includes a negative electrode active material including a Si—C composite mixed with a separate carbon-based compound.

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.

公开(公告)号：US20210020989A1

公开(公告)日：2021-01-21

申请号：US16927116

申请日：2020-07-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyunbong CHOI ,  Younghye KANG ,  Dongyoung KIM ,  Soojin KIM ,  Aeran KIM ,  Suyeol RYU ,  Jeongmin SHIN ,  Junyong LEE ,  Tae Jin LEE ,  Jin-Hyeok LIM ,  Myunghwan JEONG ,  Wonseok CHO ,  Pavel SHATUNOV ,  Jungmin HAN

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

Abstract: An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery, the additive being represented by Chemical Formula 1:

公开(公告)号：US20240405273A1

公开(公告)日：2024-12-05

申请号：US18487948

申请日：2023-10-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Aeran KIM ,  Myunghoon KIM ,  Injun PARK ,  Seungryong OH ,  Jeongmin SHIN ,  Yunhee KIM

IPC: H01M10/0567 ,  H01M4/38 ,  H01M4/525 ,  H01M4/583 ,  H01M10/04 ,  H01M10/0568 ,  H01M10/0569

Abstract: A rechargeable lithium battery including a cylindrical can; an electrode assembly in the cylindrical can; and an electrolyte in the electrode assembly is provided. An electrolyte additive and a lithium imide salt are included in the electrolyte and the volume of a cylindrical can is well-defined.

公开(公告)号：US20240332616A1

公开(公告)日：2024-10-03

申请号：US18488882

申请日：2023-10-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Injun PARK ,  Myunghoon KIM ,  Jeongmin SHIN ,  Seungryong OH ,  Aeran KIM ,  Yunhee KIM

IPC: H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/364 ,  H01M4/386 ,  H01M4/587 ,  H01M10/052 ,  H01M2004/027

Abstract: A rechargeable lithium battery including an electrolyte, a positive electrode including a positive electrode active material, and a negative electrode including a negative electrode active material is provided. The electrolyte includes a combination of additives and lithium salts and a length and amount of a negative electrode active material.

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.