公开(公告)号：US20170250446A1

公开(公告)日：2017-08-31

申请号：US15432308

申请日：2017-02-14

Applicant: SAMSUNG SDI CO., LTD.

Inventor： DuckHyun KIM ,  HeeEun YOO ,  TaeRi KWON ,  TaeHyun BAE ,  SiYoung CHA ,  MinJu LEE ,  ILKyoung KWON ,  WooCheol SHIN

IPC: H01M10/0585 ,  H01M10/056 ,  H01M2/16 ,  H01M10/0525

CPC classification number: H01M10/0585 ,  H01M2/1673 ,  H01M4/13 ,  H01M10/0525 ,  H01M10/056

Abstract: An electrode assembly includes a first electrode at an upper part, a second electrode at a lower part, and an electrolyte membrane between the first electrode and the second electrode. Each of the first electrode and the second electrode includes an electrode active material layer, a tab portion, and a non-coated portion, the non-coated portion being located at at least one lateral side of the first electrode or the second electrode, and the non-coated portion of at least one of the first electrode and the second electrode includes at least one groove that is parallel to a thickness direction of the first electrode or the second electrode.

公开(公告)号：US20170237126A1

公开(公告)日：2017-08-17

申请号：US15422873

申请日：2017-02-02

Applicant: SAMSUNG SDI CO., LTD.

Inventor： MiYoung SON ,  MyungHeui WOO ,  SiYoung CHA ,  MinJu LEE ,  SeungTae LEE ,  HaRim LEE ,  WooCheol SHIN

IPC: H01M10/42 ,  H01M4/525 ,  H01M10/0568 ,  H01M10/0525

CPC classification number: H01M10/4235 ,  C07D497/10 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0568 ,  H01M2220/30

Abstract: An organic electrolytic solution, including a 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：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：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.