公开(公告)号：US20250038261A1

公开(公告)日：2025-01-30

申请号：US18670322

申请日：2024-05-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Youngkyeong SHIN ,  Tae Hyon BAE ,  Harim LEE ,  Sanghyung KIM ,  Seunghyeon SON ,  Arum YU ,  Sanghoon KIM

IPC: H01M10/0567 ,  H01M4/02 ,  H01M10/0569

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, wherein 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; an additive represented by Chemical Formula 1: The description of the chemical formula follows the specification.

公开(公告)号：US20240372142A1

公开(公告)日：2024-11-07

申请号：US18497350

申请日：2023-10-30

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  C07F5/02 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/44

Abstract: Disclosed is a rechargeable lithium battery including a positive electrode including a positive electrode active material, a negative electrode including a negative electrode active material, a separator between the positive electrode and the negative electrode, and an electrolyte, wherein a density of the negative electrode is greater than or equal to about 1.6 g/cc, the electrolyte includes a non-aqueous organic solvent, a lithium salt, and an additive, the non-aqueous organic solvent includes ethyl butyrate, and the additive includes a borate compound represented by Chemical Formula 1 and an Ag salt.

公开(公告)号：US20240243359A1

公开(公告)日：2024-07-18

申请号：US18488857

申请日：2023-10-17

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M4/525 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M10/0569 ,  H01M2004/021 ,  H01M2300/0042

Abstract: An electrolyte 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, CsPF6, or a combination thereof and a second compound that is represented by Chemical Formula 2-1, Chemical Formula 2-2, or a combination thereof. The chemical formulas and their definitions are as described in the specification.

公开(公告)号：US20220407113A1

公开(公告)日：2022-12-22

申请号：US17887621

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/052 ,  H01M4/525 ,  H01M4/505 ,  C07D327/10 ,  C07F9/6571 ,  C07F5/04 ,  C01G53/00

Abstract: An organic electrolytic solution includes a first lithium salt; an organic solvent; a bicyclic sulfate-based compound represented by Formula 1 below; and a monocyclic phosphate-based compound represented by Formula K1 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, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond, and in Formula K1, each of A5 and A6 is independently a substituted or unsubstituted C1-C5 alkylene group.

公开(公告)号：US20190312308A1

公开(公告)日：2019-10-10

申请号：US16373374

申请日：2019-04-02

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyejin PARK ,  Jungjin MOON ,  Myungheui WOO ,  Harim LEE ,  Jin-Hyeok LIM ,  Seonghun JEONG ,  Wonseok CHO ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: Aspects of embodiments of the present disclosure provide an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery including the same. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and additive represented by Chemical Formula 1: In Chemical Formula 1, X1 is CH or a nitrogen atom (N), and Ra is a substituted or unsubstituted alkyl group. The additive may decompose under reducing voltages on the surface of the negative electrode to thereby form a polysulfonate-based passivation film to suppress or reduce gas generation and battery swelling.

公开(公告)号：US20190020065A1

公开(公告)日：2019-01-17

申请号：US16135371

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 ,  H01M4/525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42 ,  H01M10/0525 ,  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. The organic electrolytic solution includes a first lithium salt, an organic solvent, an oligomer compound, 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：US20250158119A1

公开(公告)日：2025-05-15

申请号：US18766280

申请日：2024-07-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Olga TSAY ,  Seunghyeon SON ,  SANGHOON KIM ,  TAE HYON BAE ,  Harim LEE ,  Youngkyeong SHIN ,  Sanghyung KIM

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

Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and a salt additive including a sulfonyl group substituted with a perhalogenated alkyl group and a cyano group. In addition, a rechargeable lithium battery including the electrolyte is also disclosed.

公开(公告)号：US20250046874A1

公开(公告)日：2025-02-06

申请号：US18488930

申请日：2023-10-17

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 ,  H01M4/52 ,  H01M4/583 ,  H01M10/0567 ,  H01M10/0568

Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte are provided. The electrolyte includes a non-aqueous organic solvent and a lithium salt, and the non-aqueous organic solvent includes about 10 to 30 vol % of a halogenated N,N-dialkyl methanesulfonamide solvent, based on a total amount of the non-aqueous organic solvent.

公开(公告)号：US20250038270A1

公开(公告)日：2025-01-30

申请号：US18732446

申请日：2024-06-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sanghyung KIM ,  Tae Hyon BAE ,  Harim LEE ,  Seunghyeon SON ,  Youngkyeong SHIN ,  Sanghoon KIM ,  Arum YU

IPC: H01M10/0569 ,  H01M4/02 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568

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, wherein 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; and an additive represented by Chemical Formula 1:

公开(公告)号：US20250038265A1

公开(公告)日：2025-01-30

申请号：US18734868

申请日：2024-06-05

Applicant: Samsung SDI Co., Ltd.

Inventor： Youngkyeong SHIN ,  Tae Hyon BAE ,  Harim LEE ,  Sanghyung KIM ,  Seunghyeon SON ,  Arum YU ,  Sanghoon KIM

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/525 ,  H01M4/583 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

Abstract: An electrolyte for a rechargeable lithium battery 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: A rechargeable lithium battery includes a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and the electrolyte.