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公开(公告)号：US20220311096A1
公开(公告)日：2022-09-29
申请号：US17700568
申请日：2022-03-22
发明人： Sang Yoon Ji
IPC分类号： H01M50/454 , H01M50/457 , H01M50/446 , H01M50/434 , H01M50/417 , H01M50/451 , H01M50/489 , H01M50/403
摘要： Provided are an organic/inorganic composite porous separator of a new concept, which may show excellent thermal safety, electrochemical safety, lithium ion conductivity, electrolyte impregnation rate, and the like, as compared with a conventional polyolefin-based separator, and an electrochemical device including the separator to promote both securing safety and performance improvement.
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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.
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公开(公告)号：US20220013862A1
公开(公告)日：2022-01-13
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 , H01M50/491 , H01M50/449
摘要： The present invention relates to an electrochemical device capable of securing battery safety and improving battery performance by including a new separator having excellent thermal stability, excellent electrochemical stability, excellent lithium ion conductivity, and a preferred rate of electrolyte impregnation as compared with a polyolefin-based organic/inorganic composite porous separator according to the related art.
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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.
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公开(公告)号：US20230216141A1
公开(公告)日：2023-07-06
申请号：US18093136
申请日：2023-01-04
发明人： Chang Q LEE , Sang Yoon Ji , Hye Jin Park , Young Eun Cheon , Sang Hoon Kim , Jae Suk Choi
IPC分类号： H01M50/431 , H01M50/469 , H01M50/489 , H01M50/403 , H01M50/417
CPC分类号： H01M50/431 , H01M50/403 , H01M50/417 , H01M50/469 , H01M50/489
摘要： Provided are a separator and a method for producing the same, and more particularly, a separator which may secure battery stability and has characteristics of significantly low heat shrinkage even at a high temperature and minimally increased resistance, and a method for producing the same.
The separator according to the present disclosure includes: a porous substrate; and an inorganic particle layer positioned on one or both surfaces of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a rod-shaped inorganic binder.-
公开(公告)号：US20220320684A1
公开(公告)日：2022-10-06
申请号：US17693930
申请日：2022-03-14
发明人： Sang Yoon Ji , Yun Bong Kim , Dong Yeon Lee
IPC分类号： H01M50/457 , H01M50/443 , H01M50/451 , H01M50/446 , H01M10/0525 , H01M50/489 , H01M50/434
摘要： The present disclosure relates to an organic/inorganic composite porous separator that has excellent thermal stability and an excellent adhesive property between a porous substrate and a porous active layer, has a small change in Gurley permeability before and after coating of the porous active layer, and has excellent electrochemical stability, excellent lithium ion conductivity, and a low resistance increase rate in comparison to a polyolefin-based separator according to the related art, and an electrochemical device capable of implementing both securing of safety and performance improvement by including the separator.
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公开(公告)号：US20220311093A1
公开(公告)日：2022-09-29
申请号：US17685751
申请日：2022-03-03
发明人： Sang Yoon Ji
IPC分类号： H01M50/446 , H01M10/0525
摘要： The present disclosure relates to an organic/inorganic composite porous separator that has excellent thermal stability, improved wettability with an electrolyte solution, an excellent adhesive property between a porous substrate and a porous active layer, excellent electrochemical stability, excellent lithium ion conductivity, and a low resistance increase rate in comparison to a polyolefin-based separator according to the related art, and an electrochemical device capable of implementing both securing of safety and performance improvement by including the separator.
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公开(公告)号：US20220013863A1
公开(公告)日：2022-01-13
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
摘要： The present invention relates to an electrochemical device capable of securing battery safety and improving battery performance by including a new separator having excellent thermal stability, excellent electrochemical stability, excellent lithium ion conductivity, and a preferred rate of electrolyte impregnation as compared with a polyolefin-based organic/inorganic composite porous separator according to the related art.
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公开(公告)号：US20230216144A1
公开(公告)日：2023-07-06
申请号：US18092935
申请日：2023-01-04
发明人： Chang Q LEE , Sang Yoon Ji , Hye Jin PARK , Young Eun CHEON , Sang Hoon KIM , Jae Suk CHOI
IPC分类号： H01M50/446 , H01M50/403 , H01M50/491
CPC分类号： H01M50/446 , H01M50/403 , H01M50/491
摘要： Provided are a separator and a method for producing the same, and more particularly, a separator which may secure battery stability and has characteristics of significantly low heat shrinkage even at a high temperature and minimally increased resistance, and a method for producing the same. The separator according to the present disclosure includes: a porous substrate; and an inorganic particle layer positioned on one or both surfaces of the porous substrate, wherein the inorganic particle layer includes inorganic particles and a sheet-shaped inorganic binder.
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10.发明申请公开(公告)号：US20230137319A1
公开(公告)日：2023-05-04
申请号：US17979858
申请日：2022-11-03
发明人： Sang Yoon Ji , Yun Bong Kim
IPC分类号： H01M50/451 , H01M50/491 , H01M50/403 , H01M10/052
摘要： Provided is a composite separator, a method of manufacturing the same, and an electrochemical device including the same. More particularly, the present disclosure relates to a composite separator that has excellent heat resistance and an excellent adhesive force between a porous substrate and an inorganic composite layer, and prevents a significant reduction in adhesive force even when a temperature is raised, a method of manufacturing the same, and an electrochemical device including the same.
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