-
公开(公告)号：US12065558B2
公开(公告)日：2024-08-20
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
IPC分类号： C08L23/06 , C08J11/04 , H01M10/54 , H01M50/446
CPC分类号： C08L23/06 , C08J11/04 , H01M10/54 , H01M50/446 , C08J2323/06 , C08L2205/025 , C08L2207/20
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.
-
2.发明授权公开(公告)号：US10985356B2
公开(公告)日：2021-04-20
申请号：US15562519
申请日：2016-04-01
发明人： Dong Jin Joo , Su Ji Lee , Kyu Young Cho , Yun Bong Kim , Jae Woong Kim
IPC分类号： H01M2/16 , H01M2/14 , H01M10/02 , H01M10/0525 , H01M10/42 , H01M10/052
摘要： The present invention relates to a composite separation membrane for a lithium secondary battery, having an excellent effect of improving the life time and safety of a battery and a lithium secondary battery including the membrane. The composite separation membrane includes a porous base layer; a heat-resistant layer formed on one side or both sides of the porous base layer; and a fusion layer formed on an outermost layer. The heat-resistant layer includes inorganic particles connected and fixed by binder polymers, and the fusion layer includes crystalline polymers in the form of particles having a melting temperature of 100° C. or higher.
-
3.发明授权公开(公告)号：US10854864B2
公开(公告)日：2020-12-01
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： H01M4/02 , 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%.
-
公开(公告)号：US12113238B2
公开(公告)日：2024-10-08
申请号：US17463907
申请日：2021-09-01
发明人： Tae Wook Kwon , Heung Taek Bae , Dong Yeon Lee , Yun Bong Kim
IPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/42 , H01M50/449 , H01M50/489
CPC分类号： H01M50/446 , H01M10/052 , H01M50/403 , H01M50/42 , H01M50/449 , H01M50/489
摘要： Provided is a separator for a lithium secondary battery including a porous substrate and a coating layer including a binder and inorganic particles formed on one surface or both surfaces of the porous substrate. The binder is a binder including: (a) a (meth)acrylamide-based monomer polymerization unit, (b) a (meth)acryl-based monomer polymerization unit containing a hydroxyl group, and (c) a polyfunctional (meth)acrylamide-based monomer polymerization unit. The separator according to the present invention provides a separator for a lithium secondary battery having improved adhesive strength between the inorganic particles and the separator, showing a decreased interfacial resistance characteristic, and showing an improved air permeability.
-
公开(公告)号：US12021258B2
公开(公告)日：2024-06-25
申请号：US17367767
申请日：2021-07-06
发明人： Sang Yoon Ji , Yun Bong Kim , Dong Yeon Lee
IPC分类号： H01M50/446 , H01M10/0525 , H01M50/403 , H01M50/449 , H01M50/491
CPC分类号： H01M50/446 , H01M10/0525 , H01M50/403 , H01M50/449 , H01M50/491
摘要： A separator including a porous substrate and an inorganic composite layer formed on one surface or both surfaces of the porous substrate, the inorganic composite layer including inorganic particles, a one-dimensional inorganic material, and an organic binder. The dimensions of the inorganic particles and the one-dimensional inorganic material are different, and the one-dimensional inorganic material is included in an amount of 0.1 to 15 parts by weight with respect to 100 parts by weight of the inorganic particles. Also, a method of manufacturing the separator including coating a dispersion liquid containing inorganic particles, a one-dimensional inorganic material, and an organic binder on one surface or both surfaces of a porous substrate and drying the coated porous substrate to form an inorganic composite layer. Further, an electrochemical element including the separator.
-
公开(公告)号：US11969693B2
公开(公告)日：2024-04-30
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
IPC分类号： B01D67/00 , B01D71/26 , B05C1/08 , B29C55/18 , C08J5/18 , C08J7/04 , C08L23/06 , B29C55/00 , B29K23/00
CPC分类号： B01D67/0088 , B01D71/261 , B05C1/0808 , B05C1/0813 , B05C1/0826 , B29C55/18 , C08J5/18 , C08J7/0427 , C08L23/06 , B01D2323/42 , B29C55/005 , B29K2023/0683 , C08J2323/06 , C08J2429/04 , C08J2433/04
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.
-
公开(公告)号：US12040464B2
公开(公告)日：2024-07-16
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 , H01M50/431 , 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, 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.
-
8.发明授权公开(公告)号：US12015170B2
公开(公告)日：2024-06-18
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 , H01M50/403 , 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.
-
公开(公告)号：US11990643B2
公开(公告)日：2024-05-21
申请号：US17367783
申请日：2021-07-06
发明人： Sang Yoon Ji , Yun Bong Kim , Dong Yeon Lee
IPC分类号： H01M50/451 , H01M10/0525 , H01M50/403 , H01M50/491
CPC分类号： H01M50/451 , H01M10/0525 , H01M50/403 , H01M50/491
摘要： The present invention relates to a separator including: (a) a porous substrate; and (b) an inorganic composite layer formed on one surface or both surfaces of the porous substrate, and including one or more inorganic particles and one or more one-dimensional inorganic materials, wherein the dimensions of the one or more inorganic particles and the one or more one-dimensional inorganic materials are different, wherein the one or more one-dimensional inorganic materials include inorganic nanowire(s) and/or inorganic nanofiber(s), wherein the one or more inorganic particles may be bound to each other, or the inorganic composite layer may be anchored and adhered to the porous substrate, by the one or more one-dimensional inorganic materials, and the inorganic composite layer does not include a polymer-based organic binder.
-
公开(公告)号：US11495864B2
公开(公告)日：2022-11-08
申请号：US16857776
申请日：2020-04-24
发明人： Hye Jin Lee , Yun Bong Kim , Min Sang Park , Su Ji Lee
IPC分类号： H01M4/66 , H01M4/04 , H01M10/0525 , H01M50/431 , H01M4/02
摘要： Provided are a separator for a secondary battery and an electrochemical device using the same. More particularly, a composite separator which has a lower Gurley permeability after curing than that before curing when forming a heat-resistant coating layer having low resistance, does not have a Gurley permeability which is greatly increased as compared with the Gurley permeability of a porous substrate itself before forming a coating layer to have an overall low Gurley permeability, and has a high surface hardness to have penetration stability, is provided.
-
-
-
-
-
-
-
-
-
搜索结果
34 条记录 (耗时 0.022 秒)
