公开(公告)号：US20190252724A1

公开(公告)日：2019-08-15

申请号：US16335240

申请日：2017-09-11

Applicant: Samsung SDI Co., Ltd.

Inventor： Pavel SHATUNOV ,  Olga TSAY ,  Aeran KIM ,  Woo Cheol SHIN ,  Hyunbong CHOI

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

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/028

Abstract: The present invention relates to an electrolyte for a lithium secondary battery, and a lithium secondary battery comprising the electrolyte, the electrolyte comprising a non-aqueous organic solvent; lithium salt; and an additive comprising a compound which contains a difluorophosphite (—OPF2) group which is expressed by a particular chemical formula.

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：US20240120538A1

公开(公告)日：2024-04-11

申请号：US18003690

申请日：2022-04-04

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Olga TSAY ,  Yeji YANG ,  Sangwoo PARK ,  Sundae KIM ,  Pavel SHATUNOV ,  Hyunbong CHOI ,  Hongryeol PARK ,  Hyeonji HWANG ,  Dahyun KIM

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

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

Abstract: Provided are a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery including the same, and the non-aqueous electrolyte for the lithium secondary battery including a non-aqueous organic solvent, a lithium salt, and an additive represented by Chemical Formula 1.

公开(公告)号：US20230268552A1

公开(公告)日：2023-08-24

申请号：US18003717

申请日：2021-12-07

Applicant: Samsung SDI Co., Ltd.

Inventor： Olga TSAY ,  Hyejin Park ,  Pavel SHATUNOV ,  Sanghyung Kim ,  Sangwoo Park ,  Myungheui Woo ,  Bokyung Ryu ,  Wonseok Cho

IPC: H01M10/0567 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M10/0569 ,  H01M2300/0042

Abstract: An electrolyte for a lithium battery and a lithium battery including the same are provided. The electrolyte for a lithium battery may include: a lithium salt; a non-aqueous organic solvent; and an additive including a compound represented by Formula 1.

公开(公告)号：US20230178805A1

公开(公告)日：2023-06-08

申请号：US17995476

申请日：2021-03-02

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Injun PARK ,  Soojin KIM ,  Junyong LEE ,  Tae Jin LEE ,  Hyejeong JEONG ,  Olga TSAY ,  Hyunbong CHOI ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/38 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M4/525 ,  H01M4/386 ,  H01M4/387 ,  H01M10/0568 ,  H01M2004/028

Abstract: The present invention relates to: an electrolyte for a rechargeable lithium battery, the electrolyte including a non-aqueous organic solvent, a lithium salt, and an electrolyte additive for a rechargeable lithium battery, the electrolyte additive including a compound represented by Chemical Formula 1; and a rechargeable lithium battery comprising the electrolyte for a rechargeable lithium battery. Chemical Formula 1 is as defined in the specification.

公开(公告)号：US20230170526A1

公开(公告)日：2023-06-01

申请号：US17905927

申请日：2021-01-20

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jin-Hyeok LIM ,  Younghye KANG ,  Dongyoung KIM ,  Soojin KIM ,  Aeran KIM ,  Suyeol RYU ,  Jeongmin SHIN ,  Kyu-Eun SHIM ,  Junyong LEE ,  Tae Jin LEE ,  Myunghwan JEONG ,  Wonseok CHO ,  Olga TSAY ,  Hyunbong CHOI ,  Pavel SHATUNOV ,  Jungmin HAN

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485

CPC classification number: H01M10/0567 ,  H01M10/0525 ,  H01M10/0568 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  H01M2004/028

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

公开(公告)号：US20220263132A1

公开(公告)日：2022-08-18

申请号：US17630120

申请日：2020-07-28

Applicant: Samsung SDI Co., Ltd.

Inventor： Jinhyeok Lim ,  Pavel SHATUNOV ,  Olga TSAY ,  Younghye Kang ,  Aeran Kim ,  Hyejin Park ,  Myungheui Woo ,  Duckjae You ,  Taejin Lee ,  Harim Lee ,  Wonseok Cho ,  Hyunbong Choi

IPC: H01M10/0567 ,  H01M10/0525 ,  H01M4/505 ,  H01M4/525

Abstract: Provided are an electrolyte additive for lithium secondary batteries, an electrolyte for lithium secondary batteries including the same, and a lithium secondary battery including the electrolyte, the additive including a compound represented by Formula 1 below: In Formula 1, R1 to R6 are as defined in the detailed description.

公开(公告)号：US20220069350A1

公开(公告)日：2022-03-03

申请号：US17397033

申请日：2021-08-09

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Wonseok CHO ,  Dahyun KIM ,  Minseo KIM ,  Sanghyung KIM ,  Sanghoon KIM ,  Sangwoo PARK ,  Hyejin PARK ,  Myungheui WOO ,  Bokyung RYU ,  Tae Jin LEE ,  Olga TSAY ,  Pavel SHATUNOV

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

Abstract: An additive, an electrolyte for a rechargeable lithium battery, and a rechargeable lithium battery including the same, the additive being represented by Chemical Formula 1 or Chemical Formula 2:

公开(公告)号：US20210005932A1

公开(公告)日：2021-01-07

申请号：US17023272

申请日：2020-09-16

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Jin-Hyeok LIM ,  Younghye KANG ,  Soojin KIM ,  Aeran KIM ,  Suyeol RYU ,  Injun PARK ,  Jinah SEO ,  Jeongmin SHIN ,  Junyong LEE ,  Tae Jin LEE ,  Myunghwan JEONG ,  Hyejeong JEONG ,  Wonseok CHO ,  Olga TSAY ,  Hyunbong CHOI ,  Pavel SHATUNOV

IPC: H01M10/0567 ,  H01M4/36 ,  H01M4/587 ,  H01M4/38 ,  H01M4/525 ,  H01M10/0568 ,  H01M10/0525 ,  C01G51/00 ,  C01G53/00 ,  C07F9/06

Abstract: The present invention relates to a lithium secondary battery. The lithium secondary battery includes a positive electrode including a positive active material; a negative electrode including a negative active material; and an electrolyte including a non-aqueous organic solvent, a lithium salt, and an additive including a compound represented by Chemical Formula 1. The negative active material includes Si at about 0.1 wt % to about 32 wt % in amount based on a total weight of the negative active material. wherein, in Chemical Formula 1, A is a substituted or unsubstituted aliphatic chain or (—C2H4—O—C2H4—)n, and n is an integer from 1 to 10.

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.