公开(公告)号：US10305081B2

公开(公告)日：2019-05-28

申请号：US15341256

申请日：2016-11-02

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minho Cho ,  Seungrim Yang ,  Hyoungwoo Choi ,  Hana Kim ,  Jun Hyuk Moon ,  Myungkook Park ,  Byungmin Lee ,  Jungsue Jang ,  Sung Soo Han

IPC: H01M2/16 ,  C08L79/04 ,  C08G73/06 ,  C09D163/00 ,  C09D179/08 ,  C08G73/10 ,  C08G73/14 ,  H01M10/0525 ,  C08K3/22

Abstract: A separator for a rechargeable battery includes a porous substrate and a heat-resistance layer disposed on at least one surface of the porous substrate, wherein the heat-resistance layer includes a cross-linkable binder, and the cross-linkable binder is derived from a polymer including a structural unit including an aromatic moiety and a (meth)acrylate group; and a rechargeable lithium battery includes the same.

公开(公告)号：US10236490B2

公开(公告)日：2019-03-19

申请号：US15073684

申请日：2016-03-18

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seungrim Yang ,  Byungmin Lee ,  Bokyung Jung ,  Myungkook Park ,  Eon-Mi Lee ,  Sungsoo Han ,  Hana Kim ,  Jungsue Jang ,  Minho Cho ,  Hyoungwoo Choi

IPC: H01M2/16 ,  H01M10/052

Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the same, the separator including a substrate, and a heat-resistant porous layer on at least one side of the substrate, the heat-resistant porous layer including a crosslinked binder and a non-crosslinked binder, wherein the crosslinked binder has a cross-linked structure of at least one crosslinkable compound, the at least one crosslinkable compound including a multi-functional urethane-based compound, and the crosslinked binder and the non-crosslinked binder are included in a weight ratio of about 3:7 to about 8:2.

公开(公告)号：US11316232B2

公开(公告)日：2022-04-26

申请号：US15972769

申请日：2018-05-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Boksoon Kwon ,  Youngsuk Jung ,  Seungrim Yang ,  Dongsu Ko ,  Youngnam Kwon ,  Hyoungwoo Choi

IPC: H01M50/449 ,  H01M10/0525 ,  H01M50/44 ,  H01M50/403 ,  H01M50/411 ,  H01M50/431

Abstract: A composite separator, a method of preparing the composite separator, and a secondary battery including the composite separator are provided. The composite separator includes a heat-resistant nonwoven fabric, and a porous coating film on at least one surface of the heat-resistant nonwoven fabric and including a multi-phase polymer including a stationary phase segment and a reversible phase segment, wherein an amount of the stationary phase segment is larger than an amount of the reversible phase segment.

公开(公告)号：US09774021B2

公开(公告)日：2017-09-26

申请号：US15050608

申请日：2016-02-23

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungsue Jang ,  Minho Cho ,  Hana Kim ,  Hyoungwoo Choi ,  Myungkook Park ,  Seungrim Yang ,  Byung Min Lee ,  Eon-Mi Lee ,  Bo Kyung Jung ,  Sung Soo Han

IPC: H01M2/16 ,  H01M10/052

CPC classification number: H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  H01M10/052

Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery, the separator including a substrate, and a heat-resistant porous layer on at least one side of the substrate, the heat-resistant porous layer including an imide-based copolymer, wherein the imide-based copolymer includes a first repeating unit represented by Chemical Formula 1 and a second repeating unit represented by Chemical Formula 2:

公开(公告)号：US10431798B2

公开(公告)日：2019-10-01

申请号：US15540466

申请日：2015-12-22

Applicant: Samsung SDI Co., Ltd. ,  Samsung Electronics Co., Ltd.

Inventor： Byungmin Lee ,  Myungkook Park ,  Seungrim Yang ,  Eon-Mi Lee ,  Bokyung Jung ,  Sungsoo Han ,  Hana Kim ,  Jungsue Jang ,  Minho Cho ,  Hyoungwoo Choi

IPC: H01M2/16 ,  C08J5/22 ,  C08L71/02 ,  H01M10/052 ,  H01M10/42 ,  H01M10/0525

Abstract: Provided are a separator for a lithium secondary battery including a substrate and a heat-resistance porous layer disposed on at least one surface of the substrate and including a cross-linked binder, wherein the cross-linked binder has a cross-linking structure of a compound represented by Chemical Formula 2, and a lithium secondary battery including the same.

公开(公告)号：US20190148698A1

公开(公告)日：2019-05-16

申请号：US15972769

申请日：2018-05-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Boksoon Kwon ,  Youngsuk Jung ,  Seungrim Yang ,  Dongsu Ko ,  Youngnam Kwon ,  Hyoungwoo Choi

IPC: H01M2/16 ,  H01M10/0525

Abstract: A composite separator, a method of preparing the composite separator, and a secondary battery including the composite separator are provided. The composite separator includes a heat-resistant nonwoven fabric, and a porous coating film on at least one surface of the heat-resistant nonwoven fabric and including a multi-phase polymer including a stationary phase segment and a reversible phase segment, wherein an amount of the stationary phase segment is larger than an amount of the reversible phase segment.

公开(公告)号：US10454086B2

公开(公告)日：2019-10-22

申请号：US15082369

申请日：2016-03-28

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bokyung Jung ,  Byungmin Lee ,  Seungrim Yang ,  Myungkook Park ,  Eon-Mi Lee ,  Sungsoo Han ,  Hana Kim ,  Jungsue Jang ,  Minho Cho ,  Hyoungwoo Choi

IPC: H01M2/16 ,  H01M10/052

Abstract: A separator for a rechargeable lithium battery includes a substrate and a heat-resistant porous layer on at least one side of the substrate. The heat-resistant porous layer includes a crosslinked binder. The crosslinked binder has a cross-linked structure of a crosslinkable compound including a siloxane compound. The siloxane compound includes a siloxane resin including a unit represented by the chemical formula R1SiO3/2, where R1 is a curable reactive group, or an organic group having a curable reactive group.

公开(公告)号：US10340493B2

公开(公告)日：2019-07-02

申请号：US15338496

申请日：2016-10-31

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jungsue Jang ,  Minho Cho ,  Sung Soo Han ,  Hana Kim ,  Byungmin Lee ,  Jun Hyuk Moon ,  Myungkook Park ,  Seungrim Yang ,  Hyoungwoo Choi

IPC: H01M2/16 ,  H01M10/0525 ,  C09D5/00 ,  C09D7/40 ,  C09D7/61 ,  C09D7/65 ,  C08K3/22 ,  C08K3/34

Abstract: A separator for a rechargeable battery includes a porous substrate and a heat-resistant layer disposed on at least one surface of the porous substrate, wherein the heat-resistant layer includes a compound represented by Chemical Formula 1 or a cross-linked product thereof and a rechargeable lithium battery includes the same. (R)n1—Ar—OH  [Chemical Formula 1] In Chemical Formula 1, Ar, R, and n1 are the same as described in the detailed description.

公开(公告)号：US10109833B2

公开(公告)日：2018-10-23

申请号：US15338505

申请日：2016-10-31

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byungmin Lee ,  Hana Kim ,  Myungkook Park ,  Jungsue Jang ,  Sung Soo Han ,  Jun Hyuk Moon ,  Seungrim Yang ,  Minho Cho ,  Hyoungwoo Choi

IPC: H01M2/00 ,  H01M2/16 ,  H01M10/0525

Abstract: A separator for a rechargeable battery includes a porous substrate and a heat-resistance layer on at least one surface of the porous substrate. The heat-resistance layer includes a binder having a cross-linked structure, a sphere-shaped filler, and a plate-shaped filler, and the plate-shaped filler is included in a smaller amount than the sphere-shaped filler in the heat-resistance layer. A rechargeable battery includes the separator.