公开(公告)号：US20160056504A1

公开(公告)日：2016-02-25

申请号：US14730103

申请日：2015-06-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae Lee ,  Myunghoon Kim ,  Taehyun Bae ,  Aeran Kim ,  Woocheol Shin ,  Soojin Kim

IPC: H01M10/0567 ,  H01M10/0525

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0025 ,  Y02T10/7011

Abstract: An electrolyte for a lithium battery and a lithium battery including the electrolyte. The electrolyte is employed in the lithium battery so as to improve cycle characteristics of the lithium battery that is operable at high voltages.

Abstract translation: 用于锂电池的电解质和包括电解质的锂电池。 在锂电池中使用电解质，以改善可在高电压下工作的锂电池的循环特性。

公开(公告)号：US12051779B2

公开(公告)日：2024-07-30

申请号：US17538800

申请日：2021-11-30

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Hyunbong Choi ,  Myunghoon Kim ,  Sanghoon Kim ,  Yunhee Kim ,  Injun Park ,  Hongryeol Park ,  Jeongmin Shin ,  Seungryong Oh ,  Myunghwan Jeong

IPC: H01M10/0569 ,  H01M10/0525 ,  H01M10/0565

CPC classification number: H01M10/0569 ,  H01M10/0525 ,  H01M10/0565

Abstract: An electrolyte for a rechargeable lithium battery includes a non-aqueous organic solvent, a lithium salt, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 and a compound represented by Chemical Formula 2:




wherein X is a fluoro group, a chloro group, a bromo group, or an iodo group, and A is a C1 to C10 alkylene group or (—C2H4—O—C2H4—)m, wherein m is an integer of 1 to 10.

公开(公告)号：US20240405271A1

公开(公告)日：2024-12-05

申请号：US18003751

申请日：2021-12-30

Applicant: Samsung SDI Co., Ltd.

Inventor： Sanghoon Kim ,  Hongryeol Park ,  Myunghoon Kim ,  Yunhee Kim ,  Injun Park ,  Jeongmin Shin ,  Seungryong Oh ,  Myunghwan Jeong ,  Hyunbong Choi

IPC: H01M10/0567 ,  C07D327/00 ,  C07D497/10 ,  H01M4/02 ,  H01M4/525 ,  H01M10/052 ,  H01M10/42

Abstract: Provided are: an additive for an electrolyte of a lithium battery, the additive including a compound represented by Formula 1 and a compound represented by Formula 2; an organic electrolyte including the additive; and a lithium battery including the electrolyte. Accordingly, lifespan characteristics of the lithium battery may be improved and the amount of gas generation may be reduced.

公开(公告)号：US20230344002A1

公开(公告)日：2023-10-26

申请号：US18003735

申请日：2021-12-29

Applicant: Samsung SDI Co., Ltd.

Inventor： Myunghwan Jeong ,  Myunghoon Kim ,  Sanghoon Kim ,  Yunhee Kim ,  Injun Park ,  Hongryeol Park ,  Jeongmin Shin ,  Seungryong Oh ,  Hyunbong Choi

IPC: H01M10/0567 ,  H01M10/0568

CPC classification number: H01M10/0567 ,  H01M10/0568

Abstract: Provided are an electrolyte for a lithium secondary battery including a lithium salt, an organic solvent; and an additive, wherein the additive includes a first compound represented by Formula 1 and a second compound represented by Formula 2 below, and a mixing weight ratio of the first compound to the second compound is in a range of 1:9 to 9:1, and a lithium secondary battery including the same.




In Formula 1, X1, R1 to R6, and n in Formula 1 and A1 and A2 in Formula 2 are as defined in the detailed description.

公开(公告)号：US09590275B2

公开(公告)日：2017-03-07

申请号：US14730103

申请日：2015-06-03

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Seungtae Lee ,  Myunghoon Kim ,  Taehyun Bae ,  Aeran Kim ,  Woocheol Shin ,  Soojin Kim

IPC: H01M10/0569 ,  H01M10/0567 ,  H01M10/0525 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0525 ,  H01M2300/0025 ,  Y02T10/7011

Abstract: An electrolyte for a lithium battery and a lithium battery including the electrolyte. The electrolyte is employed in the lithium battery so as to improve cycle characteristics of the lithium battery that is operable at high voltages.

Abstract translation: 用于锂电池的电解质和包括电解质的锂电池。 在锂电池中使用电解质，以改善可在高电压下工作的锂电池的循环特性。

公开(公告)号：US20160233544A1

公开(公告)日：2016-08-11

申请号：US14749329

申请日：2015-06-24

Applicant: SAMSUNG SDI CO., LTD.

Inventor： Myunghoon Kim ,  Taehyun Bae ,  Aeran Kim ,  Woocheol Shin

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/38 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M4/386 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0025 ,  Y02T10/7011

Abstract: A lithium secondary battery may be a high-capacity system that includes a silicon-based negative electrode active material. The high-capacity lithium secondary battery may have improved lifespan characteristics at high temperatures as well as at room temperature by including a fluorine-containing alkylene carbonate compound and a silylamide compound in an electrolyte thereof.

Abstract translation: 锂二次电池可以是包括硅基负极活性物质的高容量系统。 高容量锂二次电池在其电解质中含有含氟碳酸亚烃酯化合物和甲硅烷基酰胺化合物，可以在高温以及室温下具有改善的寿命特性。