公开(公告)号：US20210226298A1

公开(公告)日：2021-07-22

申请号：US17055507

申请日：2019-03-27

Applicant: Samsung SDI Co., Ltd. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minho CHO ,  Hana KIM ,  Myungkook PARK ,  Seung Rim YANG ,  Byungmin LEE ,  Jungsue JANG ,  Bokyung JUNG

IPC: H01M50/417 ,  H01M10/0525 ,  H01M4/62 ,  H01M50/46

Abstract: The present disclosure provides a separator for a rechargeable lithium battery and a rechargeable lithium battery including same, the separator includes a porous substrate; and an adhesive layer formed on the porous substrate. The adhesive layer includes a particle-type binder having a core-shell structure including a core and a shell surrounding the core, the core includes a first polymer having a glass transition temperature of less than or equal to 30° C., the shell includes a second polymer having a glass transition temperature of greater than or equal to 40° C., and the particle-type binder has a diameter of 50 nm to 500 nm.

公开(公告)号：US20220140441A1

公开(公告)日：2022-05-05

申请号：US17435086

申请日：2019-07-26

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

Inventor： Minho CHO ,  Rae Sung KIM ,  Hana KIM ,  Myungkook PARK ,  Seung Rim YANG ,  Byungmin LEE ,  Jungsue JANG ,  Bokyung JUNG

IPC: H01M50/457 ,  H01M50/434 ,  H01M50/426 ,  H01M50/446

Abstract: The present disclosure relates to a separator for a lithium secondary battery, and a lithium secondary battery including same, the separator including: a porous substrate, and a heat-resistant layer on at least one surface of the porous substrate, wherein the heat-resistant layer includes a first coating layer including alumina, and a second coating layer including magnesium hydroxide, and the first coating layer and the second coating layer are consecutively disposed in a stacked form on the porous substrate.

公开(公告)号：US20160293920A1

公开(公告)日：2016-10-06

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 ,  H01M10/0525

CPC classification number: H01M2/1653 ,  H01M2/166 ,  H01M2/1686 ,  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.

Abstract translation: 用于可再充电锂电池的隔板包括在基板的至少一侧上的基板和耐热多孔层。 耐热多孔层包括交联粘合剂。 交联粘合剂具有包含硅氧烷化合物的交联性化合物的交联结构。 硅氧烷化合物包括含有由化学式R1SiO3 / 2表示的单元的硅氧烷树脂，其中R 1是可固化的反应性基团，或具有可固化的反应性基团的有机基团。

公开(公告)号：US20200287191A1

公开(公告)日：2020-09-10

申请号：US16807479

申请日：2020-03-03

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

Inventor： Jungsue JANG ,  Minho CHO ,  Hana KIM ,  Myungkook PARK ,  Seung Rim YANG ,  Byungmin LEE ,  Bokyung JUNG ,  Rae Sung KIM

IPC: H01M2/16 ,  H01M10/052

Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery, the separator including a porous substrate; and a coating layer on at least one surface of the porous substrate, wherein the coating layer includes a binder and inorganic particles, the binder including a polyurethane and a polyvinyl alcohol, and the polyurethane and the polyvinyl alcohol are included in a weight ratio of about 5:5 to about 9:1.

公开(公告)号：US20190051879A1

公开(公告)日：2019-02-14

申请号：US16100099

申请日：2018-08-09

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

Inventor： Byungmin LEE ,  Hana KIM ,  Jungsue JANG ,  Myungkook PARK ,  Seung Rim YANG ,  Bokyung JUNG ,  Minho CHO ,  Rae Sung KIM ,  Namhee LEE

IPC: H01M2/16 ,  H01M10/0525

Abstract: A separator for a rechargeable battery, and a rechargeable lithium battery including the same are provided. The separator includes a porous substrate, and a heat resistance layer on at least one surface of the porous substrate. The heat resistance layer may include an acryl-based copolymer, a polyvinyl alcohol-based polymer, and a sheet-shaped inorganic particle, where the sheet-shaped inorganic particle is selected from mica, clay, magnesium hydroxide (Mg(OH)2), aluminum hydroxide (Al(OH)3), talc, and a combination thereof, and a particle diameter of the sheet-shaped inorganic particle is about 0.1 μm to about 10 μm.

公开(公告)号：US20160322620A1

公开(公告)日：2016-11-03

申请号：US15139700

申请日：2016-04-27

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

Inventor： Hana KIM ,  Hyoungwoo CHOI ,  Jungsue JANG ,  Minho CHO ,  Myungkook PARK ,  Seungrim YANG ,  Byungmin LEE ,  Eon-Mi LEE ,  Bo Kyung JUNG ,  Sung Soo HAN

IPC: H01M2/16 ,  H01M10/0525

CPC classification number: H01M2/166 ,  H01M2/1686 ,  H01M10/0525

Abstract: A separator for a rechargeable lithium battery and a rechargeable lithium battery including the separator, 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 composite particle, wherein the composite particle includes a first particle and a second particle attached to a surface of the first particle, and the first particle is different from the second particle, and at least one of the first particle and the second particle includes an organic material.

Abstract translation: 一种用于可再充电锂电池和可再充电锂电池的隔板，包括隔板，隔板包括基板，以及在基板的至少一侧上的耐热多孔层，所述耐热多孔层包括复合颗粒，其中 所述复合粒子包括附着在所述第一粒子表面的第一粒子和第二粒子，所述第一粒子与所述第二粒子不同，所述第一粒子和所述第二粒子中的至少一个包含有机物质。

公开(公告)号：US20160285063A1

公开(公告)日：2016-09-29

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

CPC classification number: H01M2/1686 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  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.

Abstract translation: 一种用于可再充电锂电池的隔板和包括该可再充电锂电池的可再充电锂电池，所述隔板包括基板，以及在所述基板的至少一侧上的耐热多孔层，所述耐热多孔层包括交联粘合剂和 非交联粘合剂，其中所述交联粘合剂具有至少一种可交联化合物的交联结构，所述至少一种可交联化合物包含多官能氨基甲酸酯基化合物，并且所述交联粘合剂和所述非交联粘合剂包括 重量比为约3:7至约8:2。

公开(公告)号：US20180006285A1

公开(公告)日：2018-01-04

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 ,  H01M10/052 ,  C08J5/22 ,  H01M10/42

CPC classification number: H01M2/166 ,  C08J5/2281 ,  C08J2323/06 ,  C08J2427/16 ,  C08L71/02 ,  H01M2/16 ,  H01M2/1626 ,  H01M2/1653 ,  H01M2/1686 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/4235 ,  Y02T10/7011

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：US20170133654A1

公开(公告)日：2017-05-11

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

CPC classification number: H01M2/1686 ,  C08G73/101 ,  C08G73/1014 ,  C08G73/1035 ,  C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08G73/1078 ,  C08G73/14 ,  C08K2003/2227 ,  C09D163/00 ,  C09D179/08 ,  H01M2/166 ,  H01M10/0525 ,  C08K3/22 ,  C08L27/16 ,  C08L27/20

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：US20170133653A1

公开(公告)日：2017-05-11

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: H01M2/16 ,  H01M10/0525

CPC classification number: H01M2/1686 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/166 ,  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.