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：US20240413401A1

公开(公告)日：2024-12-12

申请号：US18488893

申请日：2023-10-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seunghyeon SON ,  Tae Hyon BAE ,  Yunhee KIM ,  Harim LEE ,  Arum YU ,  Sanghyung KIM

IPC: H01M10/0568 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525

Abstract: A rechargeable lithium battery includes a positive electrode; a negative electrode; and an electrolyte, where the positive electrode includes a carbon nanotube as a conductive material, and the electrolyte includes an imide cesium salt compound represented by Chemical Formula 1 as an additive:

公开(公告)号：US20240213535A1

公开(公告)日：2024-06-27

申请号：US18489734

申请日：2023-10-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Harim LEE ,  Tae Hyon BAE ,  Sanghyung KIM ,  Seunghyeon SON ,  Yunhee KIM ,  Arum YU

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525

Abstract: An electrolyte solution for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive, where the additive includes a first compound that is CsPF5 or a compound represented by Chemical Formula 1, a second compound represented by Chemical Formula 2, and a silver salt. In addition, a rechargeable lithium battery including the electrolyte solution is also provided.

公开(公告)号：US20240128509A1

公开(公告)日：2024-04-18

申请号：US18013183

申请日：2022-03-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seunghyeon SON ,  Tae Hyon BAE ,  Sanghyung KIM ,  Harim LEE

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

CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M4/134 ,  H01M4/366 ,  H01M4/386 ,  H01M4/587 ,  H01M10/052 ,  H01M2004/027

Abstract: Provided are an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition including a first compound and a second compound, the first compound is an imide cesium salt compound represented by Chemical Formula 1, and the second compound is a crown ether compound represented by Chemical Formula 2.
Details of Chemical Formulas 1 and 2 are as described in the specification.

公开(公告)号：US20220407055A1

公开(公告)日：2022-12-22

申请号：US17887613

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sunjoo CHOI ,  Yunhee KIM ,  Sujeong KOH ,  Seungtae LEE ,  Siyoung CHA ,  Miyoung SON ,  Minju LEE ,  Myungheui WOO ,  Jinhyeok LIM ,  Jinah SEO ,  Harim LEE ,  Erang CHO

IPC: H01M4/36 ,  H01M10/052 ,  H01M10/0567 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  C07D327/10

Abstract: A lithium battery includes a cathode including a cathode active material; an anode including an anode active material; and an organic electrolytic solution between the cathode and the anode, wherein the cathode active material includes a first lithium transition metal oxide and a second lithium transition metal oxide, the first lithium transition metal oxide and the second lithium transition metal oxide have different particle diameters, the second lithium transition metal oxide includes primary particles having a particle diameter of about 1 μm or more, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below:

公开(公告)号：US20200220217A1

公开(公告)日：2020-07-09

申请号：US16682804

申请日：2019-11-13

Applicant: Samsung SDI Co., Ltd.

Inventor： Wonseok CHO ,  Pavel SHATUNOV ,  Olga TSAY ,  Younghye KANG ,  Aeran KIM ,  Hyejin PARK ,  Myungheui WOO ,  Duckjae YOU ,  Taejin LEE ,  Harim LEE ,  Jinhyeok LIM ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  C07F7/10

Abstract: Disclosed herein is an additive for a lithium secondary battery, the additive including a compound represented by Formula 1. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive represented by Formula 1. A lithium secondary battery includes: a cathode; an anode; and the electrolyte including the additive represented by Formula 1.

公开(公告)号：US20190319308A1

公开(公告)日：2019-10-17

申请号：US16316737

申请日：2017-07-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Pavel Alexandrovich SHATUNOV ,  Sanghoon KIM ,  Woocheol SHIN ,  Harim LEE ,  Inhaeng CHO

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

Abstract: Provided are an additive for an electrolyte for a lithium battery, an electrolyte for a lithium battery, the electrolyte including the additive, and a lithium battery using the electrolyte. The additive includes a compound represented by Formula 1: [P4O10]x.[B(OSiR1R2R3)3]y  Formula 1 wherein R1, R2, R3, and the molar ratio of x to y (x/y) are as defined in the specification. By adding the compound to the electrolyte, the lifetime characteristics of the lithium battery at high temperature may be improved.

公开(公告)号：US20190020068A1

公开(公告)日：2019-01-17

申请号：US16135420

申请日：2018-09-19

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Miyoung SON ,  Kyoungsoo KIM ,  Yunhee KIM ,  Jaehong KIM ,  Hana RA ,  Suyeol RYU ,  Myunghwan JEONG ,  Sunjoo CHOI ,  Myungheui WOO ,  Seungtae LEE ,  Harim LEE ,  Siyoung CHA

IPC: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0569 ,  H01M10/0525 ,  H01M10/42 ,  H01M10/0568 ,  H01M4/62 ,  C07D497/10

Abstract: A lithium battery includes a cathode including a cathode active material an anode including an anode active material and an organic electrolytic solution between the cathode and the anode, wherein the cathode includes a carbonaceous nanostructure, and the organic electrolytic solution includes a first lithium salt, an organic solvent, and a bicyclic sulfate-based compound represented by Formula 1 below: wherein, in Formula 1, each of A1, A2, A3, and A4 is independently a covalent bond, a substituted or unsubstituted C1-C5 alkylene group, a carbonyl group, or a sulfinyl group, in which both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US20250046876A1

公开(公告)日：2025-02-06

申请号：US18677860

申请日：2024-05-29

Applicant: SAMSUNG SDI CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Tae Hyon BAE ,  Harim LEE ,  Sanghyung KIM ,  Aehui GOH ,  Seunghyeon SON ,  Arum YU ,  Sanghoon KIM ,  Nam-Soon CHOI ,  Saehun KIM ,  Jeong-A LEE

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

Abstract: Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, wherein the electrolyte includes a non-aqueous organic solvent and a lithium salt, wherein the non-aqueous organic solvent includes two or more propionate-based solvents, and the propionate-based solvents include alkyl fluorinated propionate and propyl propionate.

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.