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1.发明公开公开(公告)号：US20230402716A1
公开(公告)日：2023-12-14
申请号：US18331554
申请日：2023-06-08
发明人： Heung Taek BAE , Chang Hee LEE , Won Sub KWACK , Tae Wook KWON
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/449
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate, the inorganic particle layer including inorganic particles, a hydrolytic condensate binder of a polar silane compound, and an aqueous polymer binder, wherein an amount of change in peel strength, ΔP is 1.1 or more may be provided.
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2.发明公开公开(公告)号：US20240021955A1
公开(公告)日：2024-01-18
申请号：US18473286
申请日：2023-09-25
发明人： Won Sub KWACK , Tae Wook KWON , Heung Taek BAE , Chang Hee LEE
IPC分类号： H01M50/451 , H01M50/457 , H01M50/417 , H01M50/434 , H01M50/446 , H01M50/443 , H01M50/489 , H01M50/42
CPC分类号： H01M50/451 , H01M50/457 , H01M50/417 , H01M50/434 , H01M50/446 , H01M50/443 , H01M50/489 , H01M50/42
摘要： The present invention relates to a separator, a method of manufacturing the separator, and an electrochemical device including the separator. An embodiment of the present invention may provide a separator including: a porous substrate; an inorganic particle layer provided on at least one surface of the porous substrate; and a heat fusion layer provided on at least one surface of the inorganic particle layer, wherein a surface gloss value at 60° C. of a surface of the heat fusion layer is 10 GU or more.
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3.发明公开公开(公告)号：US20240297407A1
公开(公告)日：2024-09-05
申请号：US18663073
申请日：2024-05-14
发明人： Yun Bong KIM , Kyu Young CHO , Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： A separator, a method of manufacturing the separator, and an electrochemical device including the separator. The separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds.
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4.发明公开公开(公告)号：US20240195012A1
公开(公告)日：2024-06-13
申请号：US18523585
申请日：2023-11-29
发明人： Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/451 , H01M50/403 , H01M50/42 , H01M50/423 , H01M50/431 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/489
CPC分类号： H01M50/451 , H01M50/403 , H01M50/42 , H01M50/423 , H01M50/431 , H01M50/443 , H01M50/446 , H01M50/457 , H01M50/489
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment, a separator including: a porous substrate; and an inorganic particle layer including a binder and inorganic particles on at least one surface of the porous substrate may be provided, wherein the binder is a water-soluble binder including a (meth)acrylamide-based monomer polymerization unit and the separator has a value of the following Formula (1) satisfying 0.15 or more:
BDV/t (1)
wherein
‘BDV’ is a voltage (kV) measured in accordance with ASTM D 3755, when a leakage current value is 5 mA, measured under conditions of raising an applied voltage at 5 kV/10 sec after placing the separator between electrodes of a withstand voltage tester (Hipot Tester), and
‘t’ is an overall average thickness (μm) of the separator.-
5.发明公开公开(公告)号：US20230402715A1
公开(公告)日：2023-12-14
申请号：US18331500
申请日：2023-06-08
发明人： Chang Hee LEE , Won Sub KWACK , Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/417
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/417
摘要： A separator, a method of manufacturing the separator, and an electrochemical device including the separator with the separator including: a porous substrate; and an inorganic particle layer provided on at least one surface of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a hydrolytic condensate of a silane compound.
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6.发明公开公开(公告)号：US20240297406A1
公开(公告)日：2024-09-05
申请号：US18659021
申请日：2024-05-09
发明人： Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including: a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate may be provided, wherein a value of the following Formula (1) is 0.135 or more: (1) BDV/t, wherein BDV is a voltage (kV) when a leakage current value is 5 mA, and t is an overall average thickness (μm) of the separator.
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7.发明公开公开(公告)号：US20240106073A1
公开(公告)日：2024-03-28
申请号：US18466499
申请日：2023-09-13
发明人： Tae Wook KWON , Sang Ick LEE , Won Sub KWACK , Cheol Woo KIM , Hyo Shin KWAK , Heung Taek BAE
IPC分类号： H01M50/446 , H01M10/052 , H01M50/417 , H01M50/457 , H01M50/489
CPC分类号： H01M50/446 , H01M10/052 , H01M50/417 , H01M50/457 , H01M50/489
摘要： Provided are a separator coating composition for a secondary battery including inorganic particles and a silane salt compound having a specific structure, a separator using the same, and an electrochemical device including the same. Specifically, a separator coating composition for a secondary battery which implements adhesion between an inorganic material layer and a porous substrate without including an acid/polymer-based organic binder in a coating composition for forming the inorganic material layer on one or both surfaces of the porous substrate and does not need a separate dispersing agent for dispersing the inorganic particles, a separator manufactured using the same, and an electrochemical device including the separator are provided.
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8.发明公开公开(公告)号：US20230402713A1
公开(公告)日：2023-12-14
申请号：US18331692
申请日：2023-06-08
发明人： Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： Provided are a separator, a method of manufacturing the separator, and an electrochemical device including the separator. According to an embodiment of the present disclosure, a separator including: a porous substrate and an inorganic particle layer provided on at least one surface of the porous substrate may be provided, wherein a value of the following Formula (1) is 0.135 or more: (1) BDV/t, wherein BDV is a voltage (kV) when a leakage current value is 5 mA, and t is an overall average thickness (μm) of the separator.
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9.发明公开公开(公告)号：US20230402712A1
公开(公告)日：2023-12-14
申请号：US18331616
申请日：2023-06-08
发明人： Tae Wook KWON , Won Sub KWACK , Heung Taek BAE , Chang Hee LEE
IPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
CPC分类号： H01M50/431 , H01M10/052 , H01M50/403 , H01M50/449
摘要： A separator for a secondary battery, a method of manufacturing the separator, and a secondary battery including the separator, where these separator includes: a porous substrate and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a heat shrinkage rate S of the separator is 8% or less may be provided.
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10.发明公开公开(公告)号：US20230402711A1
公开(公告)日：2023-12-14
申请号：US18331272
申请日：2023-06-08
发明人： Yun Bong KIM , Kyu Young CHO , Tae Wook KWON , Heung Taek BAE
IPC分类号： H01M50/431 , H01M10/052 , H01M50/449 , H01M50/403
CPC分类号： H01M50/431 , H01M10/052 , H01M50/449 , H01M50/403
摘要： A separator, a method of manufacturing the separator, and an electrochemical device including the separator. The separator includes: a porous substrate; and an inorganic particle layer formed on at least one surface of the porous substrate, wherein a release rate of the inorganic particle layer is 70% or more when measured by immersing the separator in a water tank at room temperature and then subjecting the separator to sonication under conditions of a frequency of 40 kHz, an output of 1,000 W, and an application time of 60 seconds.
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