公开(公告)号：US20250158126A1

公开(公告)日：2025-05-15

申请号：US18941643

申请日：2024-11-08

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Minseo KIM ,  Dahyun KIM ,  Myungheui WOO

IPC: H01M10/0567 ,  H01M10/0525

Abstract: The electrolyte solution for a rechargeable lithium battery according to some example embodiments includes a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a first compound and a second compound which is or includes a nitrile-based compound containing three or more cyano groups.

公开(公告)号：US20240047746A1

公开(公告)日：2024-02-08

申请号：US18002853

申请日：2022-04-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Sanghyung KIM ,  Tae Jin LEE ,  Minseo KIM ,  Myungheui WOO ,  Hyejin PARK ,  Sanghoon KIM ,  Dahyun KIM ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/38 ,  H01M4/133 ,  H01M4/134

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/386 ,  H01M4/133 ,  H01M4/134 ,  H01M2004/021

Abstract: Provided are an additive represented by Chemical Formula 1, an electrolyte for a rechargeable lithium battery including the same, and a rechargeable lithium battery.
The details of Chemical Formula 1 are as set forth in the specification.

公开(公告)号：US20230361347A1

公开(公告)日：2023-11-09

申请号：US18044971

申请日：2021-11-17

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Tae Jin LEE ,  Dahyun KIM ,  Minseo KIM ,  Sanghoon KIM ,  Taehoon KIM ,  Bongjin MOON ,  Myungheui WOO ,  Wonseok CHO ,  Sanghyung KIM ,  Hyejin PARK ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/485 ,  H01M10/0568 ,  H01M4/505 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M2004/028

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. Details of Chemical Formula 1 are the same as those described in the specification.

公开(公告)号：US20220407058A1

公开(公告)日：2022-12-22

申请号：US17887597

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M4/48 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/36 ,  H01M4/583

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 anode active material includes a carbonaceous anode active material and a metallic anode active material, in an XRD spectrum of the anode, a peak intensity ratio (la/lb) of a peak intensity (la) of a carbonaceous anode active material oriented in a direction non-parallel to a surface of the anode to all peak intensities (lb) of the carbonaceous anode active material oriented in all directions is about 0.15 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：US20200006810A1

公开(公告)日：2020-01-02

申请号：US16448899

申请日：2019-06-21

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Harim LEE ,  Hyejin PARK ,  Myungheui WOO ,  Jin-Hyeok LIM ,  Hyunbong CHOI

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  C07F7/08

Abstract: Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive is a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as in the detailed description. A rechargeable lithium battery includes: a positive electrode; a negative electrode; and the electrolyte.

公开(公告)号：US20190020071A1

公开(公告)日：2019-01-17

申请号：US16135349

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: H01M10/0569 ,  H01M10/052 ,  H01M4/525 ,  H01M4/583 ,  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 anode active material includes natural graphite and artificial graphite, an amount of the artificial graphite being about 50 wt % or more based on a total weight of the anode active material, 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：US20190020070A1

公开(公告)日：2019-01-17

申请号：US16135301

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: H01M10/0569 ,  H01M10/052 ,  H01M4/525

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 cathode active material includes a nickel-containing layered lithium transition metal oxide. A content of nickel in the lithium transition metal oxide is about 60 mol % or more with respect to a total number of moles of transition metals. 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：US20240339659A1

公开(公告)日：2024-10-10

申请号：US18473923

申请日：2023-09-25

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Bokyung RYU ,  Tae Jin LEE ,  Myungheui WOO ,  Hyejin PARK ,  Sang Hoon KIM ,  Hana RA

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/4235

Abstract: An additive for a rechargeable lithium battery, and an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The additive includes a core including an aerogel, and a shell around (e.g., surrounding) the core, wherein the shell includes a polymer having a melting point of about 90 to about 120° C.

公开(公告)号：US20240072303A1

公开(公告)日：2024-02-29

申请号：US18012630

申请日：2022-03-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Minseo KIM ,  Tae Jin LEE ,  Sanghyung KIM ,  Myungheui WOO ,  Hyejin PARK ,  Dahyun KIM ,  Bokyung RYU

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/525

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte 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 a cesium salt compound, and the second compound includes a composition including a second compound represented by Chemical Formula 1 or Chemical Formula 2.
Details of the Chemical Formula 1 and Chemical Formula 2 are as described in the specification.

公开(公告)号：US20230344004A1

公开(公告)日：2023-10-26

申请号：US18013824

申请日：2021-12-06

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Dahyun KIM ,  Minseo KIM ,  Sanghyung KIM ,  Sanghoon KIM ,  Hyejin PARK ,  Myungheui WOO ,  Bokyung RYU ,  Tae Jin LEE ,  Wonseok CHO

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

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2300/004

Abstract: Provided are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including same, the electrolyte including a nonaqueous organic solvent, a lithium salt, and an additive, wherein the additive is a composition comprising a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2.
The details of Chemical Formulas 1 and 2 are as set forth in the specification.