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公开(公告)号：US20230223653A1
公开(公告)日：2023-07-13
申请号：US17927775
申请日：2021-05-18
发明人： Kazunori Uchida , Shohei Mori , Toshihiro Suzuki , Masato Murakami , Mitsuko Saito , Shinya Hamasaki , Michiko Shimoyamada
IPC分类号： H01M50/446 , H01M10/0525 , H01M50/417 , H01M50/491 , H01M50/494 , H01M50/449
CPC分类号： H01M50/446 , H01M10/0525 , H01M50/417 , H01M50/491 , H01M50/494 , H01M50/449
摘要： Provided is a separator for a power storage device that combines high permeability and battery safety at high temperature. The separator for a power storage device has an inorganic content layer that contains inorganic particles and polyolefin resin. In a cross section of the inorganic content layer, a ratio b of the area occupied by the inorganic particles is 9-35% [inclusive], the ratio of the area occupied by vacancies is 20-60% [inclusive], and a TD direction heat shrinkage a at 150° C. of the separator for a power storage device is 4% or less.
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公开(公告)号：US20230282933A1
公开(公告)日：2023-09-07
申请号：US18019168
申请日：2021-09-16
IPC分类号： H01M50/417 , H01M50/491 , H01M50/489 , H01M10/42
CPC分类号： H01M50/417 , H01M50/491 , H01M50/489 , H01M10/4235
摘要： Provided are a thin-film separator for a power storage device, the separator having high strength and reduced clogging, and a power storage device separator that provides high strength, high level of safety, and high dimensional stability at high temperature, and that can be formed in a thin film. One aspect provides a power storage device separator comprising a fine-porous layer (X) consisting mainly of polyolefin (A), the fine-porous layer (X) having a melt flow rate of less than or equal to 0.9 g/10 min, and having an average long-hole diameter of more than or equal to 100 nm according to MD-TD surface observation or ND-MD cross-sectional observation with a scanning electron microscope.
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公开(公告)号：US11588208B2
公开(公告)日：2023-02-21
申请号：US16957421
申请日：2019-10-11
发明人： Xun Zhang , Ryo Kuroki , Yuki Fukunaga , Hiromi Kobayashi , Mitsuko Saito
IPC分类号： H01M4/02 , H01M50/446 , C08J3/24 , H01M10/0568 , H01M50/403
摘要： A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.
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公开(公告)号：US20230120715A1
公开(公告)日：2023-04-20
申请号：US17966990
申请日：2022-10-17
发明人： Xun Zhang , Ryo Kuroki , Yuki Fukunaga , Hiromi Kobayashi , Mitsuko Saito
IPC分类号： H01M50/446 , C08J3/24 , H01M10/0568 , H01M50/403
摘要： A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.
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公开(公告)号：US20230117020A1
公开(公告)日：2023-04-20
申请号：US17967002
申请日：2022-10-17
发明人： Xun Zhang , Ryo Kuroki , Yuki Fukunaga , Hiromi Kobayashi , Mitsuko Saito
IPC分类号： H01M50/446 , H01M10/0568 , C08J3/24 , H01M50/403
摘要： A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.
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公开(公告)号：US11837750B2
公开(公告)日：2023-12-05
申请号：US17966990
申请日：2022-10-17
发明人： Xun Zhang , Ryo Kuroki , Yuki Fukunaga , Hiromi Kobayashi , Mitsuko Saito
IPC分类号： H01M4/02 , H01M50/446 , C08J3/24 , H01M10/0568 , H01M50/403 , H01M50/494 , H01M50/491 , H01M50/417 , H01M50/406 , H01M50/489
CPC分类号： H01M50/446 , C08J3/24 , H01M10/0568 , H01M50/403 , H01M50/406 , H01M50/417 , H01M50/489 , H01M50/491 , H01M50/494
摘要： A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.
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公开(公告)号：US20230111013A1
公开(公告)日：2023-04-13
申请号：US17967012
申请日：2022-10-17
发明人： Xun Zhang , Ryo Kuroki , Yuki Fukunaga , Hiromi Kobayashi , Mitsuko Saito
IPC分类号： H01M50/446 , C08J3/24 , H01M10/0568 , H01M50/403
摘要： A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.
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公开(公告)号：US20200335755A1
公开(公告)日：2020-10-22
申请号：US16957421
申请日：2019-10-11
发明人： Xun Zhang , Ryo Kuroki , Yuki Fukunaga , Hiromi Kobayashi , Mitsuko Saito
IPC分类号： H01M2/16 , H01M2/14 , H01M10/0568 , C08J3/24
摘要： A separator for an electricity storage device comprising a silane-modified polyolefin, wherein silane crosslinking reaction of the silane-modified polyolefin is initiated when it contacts with the electrolyte solution, as well as a method for producing the separator.
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