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公开(公告)号：US11955660B2
公开(公告)日：2024-04-09
申请号：US17052500
申请日：2019-03-27
发明人： Jungsue Jang , Byungmin Lee , Hana Kim , Myungkook Park , Seung Rim Yang , Bokyung Jung , Minho Cho
IPC分类号： H01M50/449 , H01M10/0525 , H01M50/403 , H01M50/411 , H01M50/42 , H01M50/426 , H01M50/431 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/46 , H01M50/491
CPC分类号： H01M50/449 , H01M10/0525 , H01M50/403 , H01M50/411 , H01M50/42 , H01M50/426 , H01M50/431 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/461 , H01M50/491
摘要： This application relates to a separator for a lithium secondary battery, a method for manufacturing a separator for a lithium secondary battery, and a lithium secondary battery including same. The separator includes a porous substrate, a heat resistant layer positioned on at least one surface of the porous substrate and including inorganic particles, and a first adhesive layer positioned on the heat resistant layer and including a first organic polymer. The heat resistant layer includes the inorganic particles of 90 wt % to 99 wt % on the basis of total weight, the thickness of the heat resistant layer is 3.5 μm to 7 μm, and the thickness of the first adhesive layer is 0.5 μm to 3.0 μm.
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2.发明申请公开(公告)号：US20170092915A1
公开(公告)日：2017-03-30
申请号：US15235302
申请日：2016-08-12
发明人： Junhwan Ku , Jeongkuk Shon , Minsang Song , Sangmin Ji , Jaeman Choi , Myungkook Park , Byungmin Lee , Hana Kim
IPC分类号： H01M2/16 , H01M10/0562 , C08L53/00 , H01M10/0525
CPC分类号： H01M2/166 , C08F220/18 , C08L53/00 , H01M2/1673 , H01M10/052 , H01M10/0525 , H01M10/0562 , Y02T10/7011
摘要： An electrode-composite separator assembly for a lithium battery includes: an electrode; and a composite separator, wherein the composite separator includes: a copolymer including a first repeating unit represented by Formula 1, a second repeating unit represented by Formula 2, and a third repeating unit represented by Formula 3; at least one selected from an inorganic particle and an organic-inorganic particle; and at least one polymer selected from a fluorinated polymer and a heat-resistant polymer, wherein Formulas 1-3 are Also a lithium battery including the electrode composite separator assembly.
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公开(公告)号：US20210184314A1
公开(公告)日：2021-06-17
申请号：US17052500
申请日：2019-03-27
发明人： Jungsue Jang , Byungmin Lee , Hana Kim , Myungkook Park , Seung Rim Yang , Bokyung Jung , Minho Cho
IPC分类号： H01M50/449 , H01M10/0525 , H01M50/403 , H01M50/411 , H01M50/431 , H01M50/446 , H01M50/491
摘要： This application relates to a separator for a lithium secondary battery, a method for manufacturing a separator for a lithium secondary battery, and a lithium secondary battery including same. The separator includes a porous substrate, a heat resistant layer positioned on at least one surface of the porous substrate and including inorganic particles, and a first adhesive layer positioned on the heat resistant layer and including a first organic polymer. The heat resistant layer includes the inorganic particles of 90 wt % to 99 wt % on the basis of total weight, the thickness of the heat resistant layer is 3.5 μm to 7 μm, and the thickness of the first adhesive layer is 0.5 μm to 3.0 μm.
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4.发明授权公开(公告)号：US10454086B2
公开(公告)日：2019-10-22
申请号：US15082369
申请日：2016-03-28
发明人： Bokyung Jung , Byungmin Lee , Seungrim Yang , Myungkook Park , Eon-Mi Lee , Sungsoo Han , Hana Kim , Jungsue Jang , Minho Cho , Hyoungwoo Choi
IPC分类号： H01M2/16 , H01M10/052
摘要： 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.
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公开(公告)号：US10340493B2
公开(公告)日：2019-07-02
申请号：US15338496
申请日：2016-10-31
发明人： Jungsue Jang , Minho Cho , Sung Soo Han , Hana Kim , Byungmin Lee , Jun Hyuk Moon , Myungkook Park , Seungrim Yang , Hyoungwoo Choi
摘要： 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.
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公开(公告)号：US10109833B2
公开(公告)日：2018-10-23
申请号：US15338505
申请日：2016-10-31
发明人： Byungmin Lee , Hana Kim , Myungkook Park , Jungsue Jang , Sung Soo Han , Jun Hyuk Moon , Seungrim Yang , Minho Cho , Hyoungwoo Choi
IPC分类号： H01M2/00 , H01M2/16 , H01M10/0525
摘要： 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.
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公开(公告)号：US10305081B2
公开(公告)日：2019-05-28
申请号：US15341256
申请日：2016-11-02
发明人： Minho Cho , Seungrim Yang , Hyoungwoo Choi , Hana Kim , Jun Hyuk Moon , Myungkook Park , Byungmin Lee , Jungsue Jang , Sung Soo Han
IPC分类号： H01M2/16 , C08L79/04 , C08G73/06 , C09D163/00 , C09D179/08 , C08G73/10 , C08G73/14 , H01M10/0525 , C08K3/22
摘要： 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.
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8.发明授权公开(公告)号：US10236490B2
公开(公告)日：2019-03-19
申请号：US15073684
申请日：2016-03-18
发明人： Seungrim Yang , Byungmin Lee , Bokyung Jung , Myungkook Park , Eon-Mi Lee , Sungsoo Han , Hana Kim , Jungsue Jang , Minho Cho , Hyoungwoo Choi
IPC分类号： H01M2/16 , H01M10/052
摘要： 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.
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公开(公告)号：US10431798B2
公开(公告)日：2019-10-01
申请号：US15540466
申请日：2015-12-22
发明人： Byungmin Lee , Myungkook Park , Seungrim Yang , Eon-Mi Lee , Bokyung Jung , Sungsoo Han , Hana Kim , Jungsue Jang , Minho Cho , Hyoungwoo Choi
IPC分类号： H01M2/16 , C08J5/22 , C08L71/02 , H01M10/052 , H01M10/42 , H01M10/0525
摘要： 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.
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10.发明申请公开(公告)号：US20170149039A1
公开(公告)日：2017-05-25
申请号：US15168412
申请日：2016-05-31
发明人： Jeongkuk Shon , Junhwan Ku , Minsang Song , Sangmin Ji , Hana Kim , Myungkook Park , Byungmin Lee , Jaeman Choi
IPC分类号： H01M2/16 , H01M10/056 , H01M10/0585 , H01M10/0525
CPC分类号： H01M2/1673 , H01M2/1653 , H01M2/166 , H01M2/1686 , H01M10/0525 , H01M10/056 , H01M10/0585 , Y02T10/7011
摘要： An electrode-composite separator assembly for a lithium battery, the electrode-composite separator assembly including an electrode; and a composite separator, wherein the composite separator includes a separator, and a coating film disposed on a surface of the separator, wherein the coating film includes a copolymer including an electrolyte-insoluble repeating unit and a repeating unit represented by Formula 1; and at least one selected from an inorganic particle and an organic-inorganic particle, wherein the electrode-composite separator assembly does not have an exothermic peak between 400° C. to 480° C. when analyzed by differential scanning calorimetry, wherein Formula 1 is wherein, in Formula 1, R3 is hydrogen or a C1-C5 alkyl group, and R4 is a C1-C10 alkyl group. Also, a lithium battery including the electrode-composite separator assembly.
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