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1. 发明公开

EP4372897A1 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY 审中-实审
公开(公告)号：EP4372897A1
公开(公告)日：2024-05-22
申请号：EP22842218.4
申请日：2022-07-15
申请人： Teijin Limited
发明人： KURATANI, Rika , MIURA, Mai , NISHIKAWA, Satoshi
IPC分类号： H01M50/451 , B32B5/32 , B32B27/20 , B32B27/30 , C08F14/22 , C08K3/10 , C08K3/22 , C08K3/30 , C08L27/16 , H01M50/426 , H01M50/434 , H01M50/443 , H01M50/446 , H01M50/489
CPC分类号： Y02E60/10 , B32B5/32 , B32B27/30 , B32B27/20 , C08F14/22 , C08K3/10 , C08K3/22 , C08K3/30 , C08L27/16 , H01M50/434 , H01M50/443 , H01M50/446 , H01M50/451 , H01M50/426 , H01M50/489
摘要： Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate and an adhesive porous layer that is provided on one side or on both sides of the porous substrate, and that contains a polyvinylidene fluoride type resin and an inorganic filler, in which an average primary particle size of all of the inorganic filler contained in the adhesive porous layer is from 0.01 µm to less than 0.50 µm, and when differential scanning calorimetry is performed with all of the polyvinylidene fluoride type resin contained in the adhesive porous layer as a sample, two or more endothermic peaks and/or two or more exothermic peaks are observed.

2. 发明公开

EP4190860A1 NONAQUEOUS SECONDARY BATTERY 审中-实审
公开(公告)号：EP4190860A1
公开(公告)日：2023-06-07
申请号：EP21849844.2
申请日：2021-07-27
申请人： Teijin Limited
发明人： MORIMURA, Wataru , NISHIKAWA, Satoshi
IPC分类号： C08L27/16 , H01M10/052 , H01M10/0566 , C08K3/013 , C08K3/22 , C08K3/30 , H01M50/409 , H01M50/42 , H01M50/426 , H01M50/434 , H01M50/443 , H01M50/446 , H01M50/489 , H01M50/491
摘要： A non-aqueous secondary battery, containing a positive electrode, a negative electrode, an insulating layer that is a single layer contacting the positive electrode on one side and contacting the negative electrode on another side, and an electrolyte, in which (1) the insulating layer includes a polyvinylidene fluoride type resin and inorganic particles, a weight-average molecular weight of the polyvinylidene fluoride type resin contained in the insulating layer is from 900,000 to 1,500,000, and a content ratio of the inorganic particles in the insulating layer is from 50% by mass to less than 90% by mass; (2) the insulating layer includes a resin and inorganic particles, a thickness of the insulating layer is from 5 µm to 30 µm, and the inorganic particles include metal sulfate particles; or (3) the insulating layer includes a polyvinylidene fluoride type resin and inorganic particles, the polyvinylidene fluoride type resin contains, as polymerizing components, vinylidene fluoride and a monomer represented by the following formula (1):

3. 发明公开

EP4190550A1 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY 审中-实审
公开(公告)号：EP4190550A1
公开(公告)日：2023-06-07
申请号：EP21848893.0
申请日：2021-07-29
申请人： Teijin Limited
发明人： SATO, Megumi , NISHIKAWA, Satoshi
IPC分类号： B32B5/18 , C08J9/42 , H01M50/414 , H01M50/423 , H01M50/434 , H01M50/443 , H01M50/451 , H01M50/457 , H01M50/489
摘要： Provided is a separator for a non-aqueous secondary battery, the separator contains a porous substrate, and a heat resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a heat resistant resin and barium sulfate particles, in which an average primary particle size of the barium sulfate particles contained in the heat resistant porous layer is from 0.01 µm to less than 0.30 µm, and in which a volume ratio of the barium sulfate particles in a solid content portion of the heat resistant porous layer is from 5% by volume to less than 30% by volume.

4. 发明公开

EP3920264A1 NON-AQUEOUS SECONDARY BATTERY SEPARATOR AND NON-AQUEOUS SECONDARY BATTERY 有权
公开(公告)号：EP3920264A1
公开(公告)日：2021-12-08
申请号：EP20772919.5
申请日：2020-03-23
申请人： Teijin Limited
发明人： SATO, Megumi , KURATANI, Rika , NAGAO, Yu , OKAZAKI, Masato , NISHIKAWA, Satoshi
IPC分类号： H01M2/16
摘要： An embodiment of the invention provide a separator for a non-aqueous secondary battery, including a porous substrate; and a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and barium sulfate particles, in which an average primary particle diameter of the barium sulfate particles contained in the heat-resistant porous layer is from 0.01 µm to less than 0.30 µm, and in which a volume ratio of the barium sulfate particles in the heat-resistant porous layer is from 30% by volume to less than 50% by volume.

5. 发明授权

EP3376562B1 SEPARATOR FOR NON-AQUEOUS SECONDARY CELL, AND NON-AQUEOUS SECONDARY CELL 有权
公开(公告)号：EP3376562B1
公开(公告)日：2019-12-25
申请号：EP16864222.1
申请日：2016-11-08
申请人： Teijin Limited
发明人： HONDA, Susumu , NISHIKAWA, Satoshi , YOSHITOMI, Takashi , KURATANI, Rika
IPC分类号： H01M2/16 , H01M10/05

6. 发明授权

EP2124271B1 SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND NONAQUEOUS SECONDARY BATTERY 有权
标题翻译：切割元件对于自由水的二次电池，其制造工艺和水的二次电池
公开(公告)号：EP2124271B1
公开(公告)日：2013-01-02
申请号：EP07832009.0
申请日：2007-11-16
申请人： Teijin Limited
发明人： NISHIKAWA, Satoshi
IPC分类号： H01M2/14
CPC分类号： H01M2/1653 , H01M2/145 , H01M2/1646 , H01M2/166 , H01M2/1686 , H01M10/052 , H01M10/0525 , H01M10/4235

7. 发明公开

EP4401230A1 SEPARATOR FOR NONAQUEOUS SECONDARY BATTERY, AND NONAQUEOUS SECONDARY BATTERY 审中-公开
公开(公告)号：EP4401230A1
公开(公告)日：2024-07-17
申请号：EP22867311.7
申请日：2022-09-02
申请人： Teijin Limited
发明人： ONOUE, Shuhei , NISHIKAWA, Satoshi
IPC分类号： H01M50/446 , H01M50/414 , H01M50/42 , H01M50/423 , H01M50/434 , H01M50/443 , H01M50/451 , H01M50/457 , H01M50/46
CPC分类号： Y02E60/10 , H01M50/42 , H01M50/423 , H01M50/489 , H01M50/434 , H01M50/457 , H01M50/446 , H01M50/414 , H01M50/451 , H01M50/443 , H01M50/46
摘要： A separator for a non-aqueous secondary battery, the separator including a heat-resistant porous layer that contains an aromatic type resin and inorganic particles, and an adhesive layer that is provided on the heat-resistant porous layer, and that contains adhesive resin particles having a phenyl group-containing acrylic type resin, in which the adhesive resin particles having a phenyl group-containing acrylic type resin are adhered to the heat-resistant porous layer.

8. 发明公开

EP3920299A1 SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, METHOD FOR PRODUCING SAME, AND NON-AQUEOUS SECONDARY BATTERY 有权
公开(公告)号：EP3920299A1
公开(公告)日：2021-12-08
申请号：EP20810593.2
申请日：2020-05-15
申请人： Teijin Limited
发明人： OKAZAKI, Masato , SATO, Megumi , NISHIKAWA, Satoshi
IPC分类号： H01M10/052 , H01M2/16
摘要： An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing a porous substrate; and a heat-resistant porous layer that is formed on one side or on both sides of the porous substrate, and that contains a wholly aromatic polyamide, inorganic particles and an ionic material, in which the inorganic particles have an average primary particle diameter of from 0.02 µm to less than 0.1 µm or in which the inorganic particles include a metal sulfate or a metal hydroxide.

9. 发明公开

EP3376562A1 SEPARATOR FOR NON-AQUEOUS SECONDARY CELL, AND NON-AQUEOUS SECONDARY CELL 有权
公开(公告)号：EP3376562A1
公开(公告)日：2018-09-19
申请号：EP16864222.1
申请日：2016-11-08
申请人： Teijin Limited
发明人： HONDA, Susumu , NISHIKAWA, Satoshi , YOSHITOMI, Takashi , KURATANI, Rika
IPC分类号： H01M2/16
摘要： A separator for a non-aqueous secondary battery, containing a porous substrate, and an adhesive porous layer that is provided on one side or both sides of the porous substrate, in which the adhesive porous layer contains a polyvinylidene fluoride type resin including a vinylidene fluoride monomer unit and a hexafluoropropylene monomer unit, and the polyvinylidene fluoride type resin has an acid value of from 3.0 mgKOH/g to 20 mgKOH/g.

10. 发明公开

EP2696391A1 NONAQUEOUS SECONDARY BATTERY SEPARATOR AND NONAQUEOUS SECONDARY BATTERY 有权
标题翻译：非水性二次电池分离器和非水性二次电池
公开(公告)号：EP2696391A1
公开(公告)日：2014-02-12
申请号：EP11863010.2
申请日：2011-10-21
申请人： Teijin Limited
发明人： NISHIKAWA, Satoshi
IPC分类号： H01M2/16 , H01M2/14
CPC分类号： H01M2/162 , B82Y30/00 , H01M2/145 , H01M2/1653 , H01M2/166 , H01M2/1686 , H01M10/0525
摘要： An object of the invention is to provide a separator for a nonaqueous secondary battery, which has good adhesion to electrodes, is capable of ensuring sufficient ion permeability even after attachment to electrodes, and further includes an adhesive porous layer having dynamic physical properties sufficient to withstand heat pressing and a uniform porous structure. The separator for a nonaqueous secondary battery of the invention includes a porous substrate and an adhesive porous layer that is formed on at least one side of the porous substrate and contains a polyvinylidene-fluoride-based resin. The separator for a nonaqueous secondary battery is characterized in that the adhesive porous layer has a porosity of 30 to 60% and an average pore size of 1 to 100 nm.
摘要翻译：本发明的目的在于提供一种非水系二次电池用隔膜，其与电极的密合性良好，即使在安装于电极后也能够确保充分的离子透过性，并且还包含具有足以承受动态物性的粘合性多孔层热压和均匀的多孔结构。本发明的非水系二次电池用隔膜包含多孔质基材和在该多孔质基材的至少单面上形成的含有聚偏氟乙烯系树脂的粘合性多孔质层。非水系二次电池用隔膜的特征在于，粘接性多孔层的孔隙率为30〜60％，平均孔径为1〜100nm。

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