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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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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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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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7.发明授权公开(公告)号：US12002987B2
公开(公告)日：2024-06-04
申请号：US17055507
申请日：2019-03-27
发明人： Minho Cho , Hana Kim , Myungkook Park , Seung Rim Yang , Byungmin Lee , Jungsue Jang , Bokyung Jung
IPC分类号： H01M50/417 , H01M4/62 , H01M10/0525 , H01M50/409 , H01M50/42 , H01M50/434 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/46 , H01M50/489
CPC分类号： H01M50/417 , H01M4/622 , H01M10/0525 , H01M50/409 , H01M50/42 , H01M50/434 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/461 , H01M50/489
摘要： 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.
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8.发明授权公开(公告)号：US11923496B2
公开(公告)日：2024-03-05
申请号：US16807479
申请日：2020-03-03
发明人： Jungsue Jang , Minho Cho , Hana Kim , Myungkook Park , Seung Rim Yang , Byungmin Lee , Bokyung Jung , Rae Sung Kim
IPC分类号： H01M50/446 , H01M10/052 , H01M50/414 , H01M50/42 , H01M50/451 , H01M50/417
CPC分类号： H01M10/052 , H01M50/414 , H01M50/42 , H01M50/446 , H01M50/451 , H01M50/417
摘要： 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.
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9.发明授权公开(公告)号：US09774021B2
公开(公告)日：2017-09-26
申请号：US15050608
申请日：2016-02-23
发明人： 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分类号： H01M2/16 , H01M10/052
CPC分类号： H01M2/1653 , H01M2/166 , H01M2/1686 , H01M10/052
摘要： 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:
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公开(公告)号：US10985426B2
公开(公告)日：2021-04-20
申请号：US16326885
申请日：2017-08-29
申请人： Samsung SDI Co., Ltd. , SAMSUNG ELECTRONICS CO., LTD. , DANKOOK UNIVERSITY CHEONAN CAMPUS INDUSTRY ACADEMIC COOPERATION FOUNDATION
发明人： Seung Rim Yang , Chang Hyun Lee , Sung Soo Han , Myungkook Park , Minho Cho
IPC分类号： H01M4/02 , H01M50/411 , H01M4/525 , H01M10/0525 , H01M50/40 , H01M50/403 , H01M50/409 , C08L81/06 , C08K3/22
摘要： The present invention relates to a separator for a lithium secondary battery, a method for manufacturing the separator, and a lithium secondary battery including the separator. The separator includes a porous substrate and a heat resistance porous layer positioned on at least one surface of the porous substrate, wherein the heat resistance porous layer includes a sulfonic acid group-containing polysulfone.
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