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：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：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：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.

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：US20180026464A1

公开(公告)日：2018-01-25

申请号：US15389774

申请日：2016-12-23

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Samsung SDI Co., Ltd.

Inventor： Wonseok CHANG ,  Myunghoon KIM ,  Hyorang KANG ,  Toshinori SUGIMOTO ,  Taehwan YU ,  Yonggun LEE ,  Hongsoo CHOI

IPC: H02J7/00

CPC classification number: H02J7/0052 ,  H01M10/052 ,  H01M10/44 ,  H02J7/007 ,  H02J7/0072 ,  H02J7/0073 ,  H02J7/04 ,  H02J7/041 ,  H02J7/042 ,  H02J7/045

Abstract: A method of charging a lithium metal battery includes charging the lithium metal battery so that a constant voltage period and a first constant current period are separated from each other in time where, the lithium metal battery is charged so that a second constant current period occurs between the first constant current period and the constant voltage period, and a current value of the second constant current period is less than a current value of the first constant current period.