公开(公告)号：US20240120539A1

公开(公告)日：2024-04-11

申请号：US18003863

申请日：2022-08-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Junyong Lee ,  Sanghoon Kim ,  Soojin Kim ,  Yunhee Kim ,  Suyeol Ryu ,  Jinah Seo ,  Hyejeong Jeong ,  Wonseok Cho ,  Sunjoo Choi

IPC: H01M10/0567 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

CPC classification number: H01M10/0567 ,  H01M4/485 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/028 ,  H01M2300/0065

Abstract: Disclosed are an electrolyte for a lithium secondary battery, and a lithium secondary battery. The electrolyte for a lithium secondary battery includes a lithium salt; an organic solvent; and an additive, wherein the additive includes a compound represented by Formula 1.




In Formula 1, R1 to R5 are as defined in the detailed description of the disclosure.

公开(公告)号：US20240030402A1

公开(公告)日：2024-01-25

申请号：US18357033

申请日：2023-07-21

Applicant: Samsung SDI Co., Ltd.

Inventor： Kanghee Lee ,  Woojin Bae ,  Shinya Wakita ,  Junyong Lee ,  Jongseok Moon ,  Jongseok Park ,  Jinhwan Park ,  Hyunsik Woo ,  Heemin Kim

IPC: H01M4/136 ,  H01M10/0525 ,  H01M4/40 ,  H01M4/62 ,  H01M4/1397 ,  H01M4/131

CPC classification number: H01M4/136 ,  H01M10/0525 ,  H01M4/405 ,  H01M4/625 ,  H01M4/1397 ,  H01M4/131 ,  H01M2004/027

Abstract: An anode for lithium metal batteries, a lithium metal battery including the anode, and a method of manufacturing the anode for lithium metal batteries are provided. The anode for lithium metal batteries includes: an anode current collector; and a protective layer on the anode current collector, where an anode active material layer is disposed or absent between the anode current collector and the protective layer, the protective layer may include sulfurized polyacrylonitrile, and the anode active material layer may include a lithium metal and/or a lithium alloy.

公开(公告)号：US11600861B2

公开(公告)日：2023-03-07

申请号：US16904773

申请日：2020-06-18

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Wonseok Cho ,  Younghye Kang ,  Dongyoung Kim ,  Soojin Kim ,  Aeran Kim ,  Suyeol Ryu ,  Jeongmin Shin ,  Junyong Lee ,  Tae Jin Lee ,  Jin-Hyeok Lim ,  Myunghwan Jeong ,  Hyunbong Choi ,  Jungmin Han

IPC: H01M6/16 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0568 ,  H01M4/525 ,  H01M10/44 ,  H01M4/02

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

公开(公告)号：US11367900B2

公开(公告)日：2022-06-21

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: H01M6/04 ,  H01M10/0567 ,  H01M4/36 ,  H01M4/587 ,  H01M4/38 ,  H01M4/525 ,  H01M10/0525 ,  C01G51/00 ,  C01G53/00 ,  C07F9/06 ,  H01M10/0568

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：US09859566B2

公开(公告)日：2018-01-02

申请号：US14264971

申请日：2014-04-29

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Junyong Lee ,  Seungyeol Yoo ,  Huijun Lee

IPC: H01M4/66 ,  H01M2/26 ,  H01M10/04 ,  H01M2/16

CPC classification number: H01M4/66 ,  H01M2/16 ,  H01M2/1653 ,  H01M2/26 ,  H01M10/04 ,  H01M10/0413 ,  H01M10/0436 ,  H01M10/0463 ,  H01M2200/00

Abstract: A rechargeable secondary battery including: a case; an electrode assembly accommodated in the case, the electrode assembly including an active material coating portion and an active material non-coating portion; a light absorbing member coupled to the electrode assembly; and a collector plate welded to the electrode assembly and contacting the active material non-coating portion.