公开(公告)号：US20250038258A1

公开(公告)日：2025-01-30

申请号：US18667775

申请日：2024-05-17

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/42

Abstract: Disclosed are an electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the same, the electrolyte for a rechargeable lithium battery including 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. The description of each of the chemical formulas is provided 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：US20160056503A1

公开(公告)日：2016-02-25

申请号：US14705306

申请日：2015-05-06

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  C07F9/6521 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  C07F9/6521 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2220/30 ,  H01M2300/0037

Abstract: Provided are an additive for an electrolyte of a lithium battery; an electrolyte having the same; and a lithium battery using the electrolyte. The additive for an electrolyte of a lithium battery includes a triazine triphosphonate compound.

Abstract translation: 提供了锂电池的电解质的添加剂; 具有该电解质的电解质; 和使用电解质的锂电池。 用于锂电池的电解质的添加剂包括三嗪三膦酸盐化合物。

公开(公告)号：US20250038249A1

公开(公告)日：2025-01-30

申请号：US18749353

申请日：2024-06-20

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/052 ,  H01M4/02 ,  H01M4/38 ,  H01M4/525 ,  H01M4/583 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: A lithium secondary battery includes: a positive electrode including a positive electrode active material; a negative electrode including a negative electrode active material; and an electrolyte, wherein the negative electrode has a composite density of at least 1.7 g/cc, and the electrolyte includes a lithium salt, a non-aqueous organic solvent, a first additive represented by Formula 1, a second additive represented by Formula 2, and a third additive represented by Formula 3:

公开(公告)号：US20240405275A1

公开(公告)日：2024-12-05

申请号：US18489785

申请日：2023-10-18

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/587 ,  H01M10/42

Abstract: Disclosed are an electrolyte solution for a rechargeable lithium battery and rechargeable lithium battery including the same, the 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 that is CsPF6 or a compound represented by Chemical Formula 2, and a weight ratio of the first compound to the second compound is about 1:0.3 to about 1:1.3.

公开(公告)号：US20240088442A1

公开(公告)日：2024-03-14

申请号：US18352946

申请日：2023-07-14

Applicant: SAMSUNG SDI CO., LTD. ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

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

IPC: H01M10/0567 ,  H01M4/133 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/133 ,  H01M10/0525 ,  H01M2300/0091

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, a second compound, and a third compound, the first compound is represented by Chemical Formula 1, the second compound is represented by Chemical Formula 2, and the third compound is a cyclic carbonate compound. Details of Chemical Formulas 1 and 2 are as described in the specification.

公开(公告)号：US20220407114A1

公开(公告)日：2022-12-22

申请号：US17887636

申请日：2022-08-15

Applicant: SAMSUNG SDI CO., LTD.

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

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

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 nitrile group-containing compound, wherein the nitrile group-containing compound includes a plurality of nitrile groups: 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.