公开(公告)号：US20240405277A1

公开(公告)日：2024-12-05

申请号：US18658877

申请日：2024-05-08

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  C07D307/60 ,  C07D307/89 ,  C07D309/36 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/42

Abstract: A rechargeable lithium battery includes: a positive electrode including a cobalt-free positive electrode active material with a layered structure; a negative electrode; and an electrolyte including an additive represented by Chemical Formula 1:

公开(公告)号：US20230238578A1

公开(公告)日：2023-07-27

申请号：US18007734

申请日：2021-04-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Junyong LEE ,  Pavel SHATUNOV ,  Soojin KIM ,  Injun PARK ,  Tae Jin LEE ,  Hyejeong JEONG ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525 ,  H01M2004/028

Abstract: Provided is an electrolyte for a lithium secondary battery, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Chemical Formula 1.




The definitions of each of the substituents in Chemical Formula 1 are as set forth in the detailed description.

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：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：US20240405280A1

公开(公告)日：2024-12-05

申请号：US18679108

申请日：2024-05-30

Applicant: SAMSUNG SDI CO., LTD.

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

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

Abstract: A rechargeable lithium battery including a positive electrode including a cobalt-free positive electrode active material with a layered structure, a negative electrode, and an electrolyte is provided.

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：US20230318033A1

公开(公告)日：2023-10-05

申请号：US18003679

申请日：2021-12-06

Applicant: SAMSUNG SDI CO., LTD. ,  SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION

Inventor： Tae Jin LEE ,  Bongjin MOON ,  Youngchan BANG ,  Wonseok CHO ,  Soojin KIM ,  Sanghoon KIM ,  Injun PARK ,  Myungheui WOO ,  Junyong LEE ,  Hyejeong JEONG

IPC: H01M10/0567 ,  H01M4/525 ,  H01M10/0569 ,  C07C323/52 ,  C08G75/16

CPC classification number: H01M10/0567 ,  C07C323/52 ,  C08G75/16 ,  H01M4/525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/004

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.
The details of Chemical Formula 1 are as set forth 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.