公开(公告)号：US20170309959A1

公开(公告)日：2017-10-26

申请号：US15485343

申请日：2017-04-12

Applicant: SAMSUNG SDI CO., LTD.

Inventor： AeRan KIM ,  MiYoung SON ,  HyunBong CHOI ,  MyungHeui WOO ,  SeungTae LEE ,  HaRim LEE ,  AeHui GOH ,  WooCheol SHIN

IPC: H01M10/0567 ,  H01M4/133 ,  H01M4/525 ,  H01M4/131 ,  H01M10/0525 ,  H01M4/587 ,  H01M10/0568 ,  H01M10/0569 ,  H01M4/02

CPC classification number: H01M10/0567 ,  H01M4/131 ,  H01M4/133 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2300/0028 ,  Y02T10/7011

Abstract: An organic electrolyte solution and a lithium battery, the organic electrolyte solution including an organic solvent; a lithium salt; a first compound, the first compound being represented by Formula 1 or Formula 2; and a second compound, the second compound being a succinonitrile-based compound represented by Formula 3:

公开(公告)号：US20200313238A1

公开(公告)日：2020-10-01

申请号：US16801893

申请日：2020-02-26

Applicant: Samsung SDI Co., Ltd.

Inventor： Hyejin PARK ,  Olga TSAY ,  Myungheui WOO ,  Harim LEE ,  Jinhyeok LIM ,  HyunBong CHOI

IPC: H01M10/0567 ,  C07F7/10 ,  H01M10/052 ,  H01M10/42 ,  H01M4/525

Abstract: An additive for electrolytes includes a compound represented by Formula 1. The silyl moieties at both ends of the compound may coordinate water to suppress or reduce hydrolysis of LiPF6, and may also form a SEI film capable of improving battery performance. Additional embodiments of the present disclosure provide an electrolyte including the additive; and a lithium secondary battery including the electrolyte.

公开(公告)号：US20170271715A1

公开(公告)日：2017-09-21

申请号：US15459672

申请日：2017-03-15

Applicant: SAMSUNG SDI CO., LTD.

Inventor： AeRan KIM ,  MiYoung SON ,  HyunBong CHOI ,  MyungHeui WOO ,  SeungTae LEE ,  HaRim LEE ,  AeHui GOH ,  WooCheol SHIN

IPC: H01M10/0567 ,  H01M10/0568 ,  H01M10/052

CPC classification number: H01M10/0567 ,  H01M10/052 ,  H01M10/0568 ,  H01M2300/0025 ,  H01M2300/0037

Abstract: Provided is an organic electrolyte solution that includes a lithium salt, an organic solvent, and a sulfonate ester-based compound represented by Formula 1: R2—O—S(═O)2—R1   wherein, in Formula 1, R1 may be a C1-C20 alkyl group that is unsubstituted or substituted with halogen, a C5-C20 cycloalkyl group that is unsubstituted or substituted with halogen, a C6-C40 aryl group that is unsubstituted or substituted with halogen, or a C2-C40 heteroaryl group that is unsubstituted or substituted with halogen, and R2 may be a substituted or unsubstituted cyclic sulfone group.