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1.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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公开(公告)号：US20230312891A1
公开(公告)日：2023-10-05
申请号：US18194515
申请日：2023-03-31
发明人： Yun Bong KIM , Jong Sang PARK , Kyu Young CHO , Si Uk CHEON
CPC分类号： C08L23/06 , C08J11/04 , C08L2207/20 , C08L2205/025 , C08J2323/06
摘要： The disclosed technology relates to a mixed recycled polyolefin resin composition comprising a recycled polyolefin resin obtained from a waste separator and a new polyolefin resin, and a recycled product using the same. The mixed recycled polyolefin resin composition comprising a new polyolefin resin and a recycled polyolefin resin from a waste separator based on an embodiment of the disclosed technology has excellent physical and chemical properties.
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3.发明申请公开(公告)号：US20200067048A1
公开(公告)日：2020-02-27
申请号：US16543994
申请日：2019-08-19
发明人： Yun Bong KIM , Won Sub KWACK , Hye Jin KIM , Su Ji LEE , Kyu Young CHO
IPC分类号： H01M2/16 , H01M10/0525
摘要： Provided are a separator for a lithium secondary battery and a lithium secondary battery comprising the same. The separator for a lithium secondary battery includes: a porous substrate; and a coating layer disposed on one side or both sides of the porous substrate and including a first inorganic particle and a second inorganic particle having different lengths of a major axis, and a binder, wherein a moisture content is less than 800 ppm after being left for 12 hours at a temperature of 40° C. and relative humidity of 90%.
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公开(公告)号：US20240322365A1
公开(公告)日：2024-09-26
申请号：US18611244
申请日：2024-03-20
发明人： Kyu Young CHO , Yun Bong KIM , Eun Ji OH
IPC分类号： H01M50/414 , H01M50/431 , H01M50/443 , H01M50/491
CPC分类号： H01M50/414 , H01M50/431 , H01M50/443 , H01M50/491
摘要： Separators and electrochemical devices including the separators are disclosed. In an example embodiment, a separator may include a porous substrate; and a heat-resistant adhesive layer disposed on at least one surface of the porous substrate, wherein the heat-resistant adhesive layer includes: inorganic particles; and organic particles including a plurality of protrusion parts and a plurality of valley parts.
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5.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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公开(公告)号：US20240322367A1
公开(公告)日：2024-09-26
申请号：US18611217
申请日：2024-03-20
发明人： Kyu Young CHO , Yun Bong KIM , Eun Ji OH
IPC分类号： H01M50/443 , H01M50/411 , H01M50/431 , H01M50/454
CPC分类号： H01M50/443 , H01M50/411 , H01M50/431 , H01M50/454
摘要： Separators and electrochemical devices including the separators are disclosed. In an embodiment, a separator may include a porous substrate; an inorganic particle layer including inorganic particles that are disposed on at least one surface of the porous substrate and connected to each other to form pores between the inorganic particles; and an adhesive layer including organic particles having a plurality of protrusion parts and a plurality of valley parts connected to each other to form pores.
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公开(公告)号：US20240313286A1
公开(公告)日：2024-09-19
申请号：US18677899
申请日：2024-05-30
发明人： Yun Bong KIM , Kyu Young CHO , Jong Sang PARK , Hye Jin LEE
IPC分类号： H01M10/54 , H01M50/403 , H01M50/431 , H01M50/443 , H01M50/446
CPC分类号： H01M10/54 , H01M50/403 , H01M50/431 , H01M50/443 , H01M50/446
摘要： Provided is a method of continuously regenerating a separator including inorganic particles. According to an embodiment of the present disclosure, method of continuously regenerating a separator including inorganic particles including: impregnating a separator of which at least a part of the surface is coated with a coating layer including inorganic particles in a water tank, and then performing a surface polishing treatment to release the coating layer 10 coated on the surface of the separator; and drying the separator from which the coating layer has been released may be provided.
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公开(公告)号：US20230327287A1
公开(公告)日：2023-10-12
申请号：US18297454
申请日：2023-04-07
发明人： Yun Bong KIM , Eun Ji OH , Chang Hee LEE , Kyu Young CHO
IPC分类号： H01M50/446 , H01M50/417 , H01M50/449 , H01M50/42 , H01M50/489
CPC分类号： H01M50/446 , H01M50/417 , H01M50/449 , H01M50/42 , H01M50/489
摘要： A separator and an electrochemical device including the same. The separator includes: a porous substrate; and a coating layer provided on one or both surfaces of the porous substrate. The coating layer includes inorganic particles, a particulate polymer binder, and an aqueous polymer binder, and the separator has a Ga/Gc value represented by the following Equation (1) of 0.2 to 0.75: (1) Ga/Gc, wherein Ga is a surface gloss of the coating layer, and Gc is a surface gloss of a coating layer of a separator in which the coating layer including 90.0 to 99.9 wt % of inorganic particles having an average particle diameter of 100 to 500 nm, BET of 15 to 20 m2/g, and a bulk density of 200 to 300 kg/m3 and 0.1 to 10 wt % of an aqueous polymer binder is provided at a thickness of 3 μm or less on the porous substrate.
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公开(公告)号：US20230318065A1
公开(公告)日：2023-10-05
申请号：US18193408
申请日：2023-03-30
发明人： Yun Bong KIM , Kyu Young CHO , Jong Sang PARK , Hye Jin LEE
IPC分类号： H01M10/54 , H01M50/403 , H01M50/443 , H01M50/431 , H01M50/446
CPC分类号： H01M10/54 , H01M50/403 , H01M50/443 , H01M50/431 , H01M50/446
摘要： Provided is a method of continuously regenerating a separator including inorganic particles. According to an embodiment of the present disclosure, a method of continuously regenerating a separator including inorganic particles including: impregnating a separator of which at least a part of the surface is coated with a coating layer including inorganic particles in a water tank, and then performing a surface polishing treatment to release the coating layer coated on the surface of the separator; and drying the separator from which the coating layer has been released may be provided.
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10.发明申请公开(公告)号：US20210236997A1
公开(公告)日：2021-08-05
申请号：US17235455
申请日：2021-04-20
发明人： Dong Jin JOO , Kyu Young CHO , Yun Bong KIM , Su Ji LEE , Won Sub KWACK , Hye Jin KIM
摘要： Provided is an ultra large-width coating device applied to a consecutive process. More particularly, the present invention relates to a coating device capable of maximizing productivity by consecutively manufacturing a large-width film without reducing physical properties of the manufactured film by overcoming a problem in that a coating width is limited during a coating process using the existing contact type coating roller, and a method for manufacturing an ultra large-width membrane using the same.
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