公开(公告)号：US20250038262A1

公开(公告)日：2025-01-30

申请号：US18670386

申请日：2024-05-21

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/052

Abstract: A rechargeable lithium battery is provided. The rechargeable lithium battery includes a positive electrode active material; a negative electrode including a negative electrode active material; an electrolyte solution for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, and the positive electrode active material includes lithium nickel composite oxide represented by Chemical Formula 3.

公开(公告)号：US20240405279A1

公开(公告)日：2024-12-05

申请号：US18673107

申请日：2024-05-23

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  C07D493/04 ,  H01M4/02 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/058 ,  H01M10/42

Abstract: An additive for use in an electrolyte for a rechargeable lithium battery, the electrolyte including the same, and a rechargeable lithium battery including the electrolyte are provided. The additive includes a compound with two acid anhydride functional groups linked through an aliphatic or aromatic ring.

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：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：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.