公开(公告)号：US20210083295A1

公开(公告)日：2021-03-18

申请号：US16575244

申请日：2019-09-18

Applicant: Samsung SDI Co., Ltd.

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

IPC: H01M4/62 ,  H01M4/36 ,  H01M10/0568 ,  H01M4/66 ,  H01M10/0567 ,  H01M2/26 ,  H01M10/0525

Abstract: A rechargeable lithium battery includes a positive electrode, a negative electrode, and an electrolyte including a lithium salt, wherein at least one of the positive electrode and the negative electrode includes a current collector, an electrode tab extending from the current collector, an active material layer disposed on the current collector, and a passivation film formed on at least one of the current collector and the electrode tab. The passivation film includes a material represented by Chemical Formula 1: CuX(POF2)nY2Z,  Chemical Formula 1 wherein, in Chemical Formula 1, X is a C1 to C10 alkylene group, Y is represented by Chemical Formula 2, Z is an anion group of the lithium salt, and n is 1 or 2: NC—R1—CN, (wherein, R1 is a C1 to C10 alkylene group).  Chemical Formula 2

公开(公告)号：US20200343589A1

公开(公告)日：2020-10-29

申请号：US16857307

申请日：2020-04-24

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/525 ,  H01M4/505 ,  H01M4/36 ,  H01M4/38 ,  H01M4/587 ,  C07F7/10

Abstract: An electrolyte additive for a lithium secondary battery, an electrolyte, and a lithium secondary battery, the additive comprising a compound represented by Formula 1 below:

公开(公告)号：US20200220215A1

公开(公告)日：2020-07-09

申请号：US16592667

申请日：2019-10-03

Applicant: Samsung SDI Co., Ltd.

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

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/0569 ,  H01M10/0525 ,  H01M4/525 ,  C07F7/18

Abstract: An additive for a lithium secondary battery includes a compound represented by Formula 1 below, where R1 to R4 are as defined in the disclosure. An electrolyte for a lithium secondary battery includes: a lithium salt; a non-aqueous organic solvent; and the additive. A lithium secondary battery includes: a cathode; an anode; and the electrolyte.

公开(公告)号：US20190288337A1

公开(公告)日：2019-09-19

申请号：US16298169

申请日：2019-03-11

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyunbong CHOI ,  Pavel SHATUNOV ,  Olga TSAY ,  Hyejin PARK ,  Myungheui WOO ,  Harim LEE ,  Jin-Hyeok LIM ,  Wonseok CHO

IPC: H01M10/0567 ,  H01M10/0525

Abstract: An electrolyte for a rechargeable lithium battery, including a non-aqueous organic solvent, a lithium salt, and an additive is disclosed. The additive includes a compound represented by Chemical Formula 1. In Chemical Formula 1, each substituent is the same as described in the detailed description.

公开(公告)号：US20190020064A1

公开(公告)日：2019-01-17

申请号：US16135342

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 ,  H01M10/0569 ,  H01M10/42 ,  H01M10/0525 ,  H01M10/0568 ,  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, a second lithium salt different from the 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, wherein both A1 and A2 are not a covalent bond and both A3 and A4 are not a covalent bond.

公开(公告)号：US20170237122A1

公开(公告)日：2017-08-17

申请号：US15430703

申请日：2017-02-13

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae LEE ,  Aeran KIM ,  Miyoung SON ,  Hyunbong CHOI ,  Aehui GOH ,  Woocheol SHIN ,  Myungheui WOO ,  Harim LEE

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M4/525 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025 ,  H01M2300/0028

Abstract: An electrolyte for a lithium battery and a lithium battery including the electrolyte, the electrolyte including a compound represented by Formula 1; and LiPO2F2, wherein, in Formula 1, R1 and R2 are each independently a substituted or unsubstituted C1-C10 alkyl group or -L1-CN; and L and L1 are each independently a substituted or unsubstituted C1-C5 alkylene group, a substituted or unsubstituted C6-C10 arylene group, or a substituted or unsubstituted C3-C20 heteroarylene group.

公开(公告)号：US20170125843A1

公开(公告)日：2017-05-04

申请号：US15225860

申请日：2016-08-02

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae LEE ,  Hyunbong CHOI ,  Miyoung SON ,  Aeran KIM ,  Myungheui WOO ,  Harim LEE ,  Aehui GOH

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/131

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0025

Abstract: A lithium battery including a positive electrode, the positive electrode including a lithium-nickel-based composite compound that contains about 50 mol % to about 100 mol % of nickel; a negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt and a compound represented by the following Formula 1:

公开(公告)号：US20250167300A1

公开(公告)日：2025-05-22

申请号：US18823497

申请日：2024-09-03

Applicant: Samsung SDI Co., Ltd.

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

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

Abstract: An electrolyte solution for a rechargeable lithium battery according to some embodiments includes 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.
The definitions of Chemical Formulas 1 and 2 are as described in the specification.

公开(公告)号：US20250158129A1

公开(公告)日：2025-05-15

申请号：US18941584

申请日：2024-11-08

Applicant: SAMSUNG SDI CO., LTD.

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

IPC: H01M10/0569 ,  C07C325/02 ,  C07F9/06 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568

Abstract: An electrolyte solution for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt; and an additive, wherein the additive includes a first compound and a second compound.

公开(公告)号：US20250112279A1

公开(公告)日：2025-04-03

申请号：US18981403

申请日：2024-12-13

Applicant: Samsung SDI Co., Ltd.

Inventor： Olga TSAY ,  Hyejin PARK ,  Myungheui WOO ,  Hyunbong CHOI ,  Pavel SHATUNOV

IPC: H01M10/0567 ,  H01M4/02 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569

Abstract: Provided are an electrolyte additive for lithium secondary battery including a compound represented by Formula 1 below, an electrolyte for lithium secondary battery including the same, and a lithium secondary battery including the electrolyte. wherein, in Formula 1, R1 to R3 are as defined in the detailed description.