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公开(公告)号：US10516148B2
公开(公告)日：2019-12-24
申请号：US15593422
申请日：2017-05-12
发明人： Toshihiko Ogata , Junji Suzuki , Hiroki Hashiwaki
IPC分类号： H01M2/16
摘要： The present invention improves productivity of production of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery insulating porous layer in accordance with an embodiment of the present invention is a constituent member of a nonaqueous electrolyte secondary battery laminated separator, includes a thermoplastic resin, has a porosity of 25% to 80%, and has a peeling strength of above 0 N/m to 2.0 N/m when press-bonded to a nonaqueous electrolyte secondary battery electrode at 25° C. through two one-minute 30 kN applications, the nonaqueous electrolyte secondary battery electrode containing an electrode active material, an electrically conductive agent, and a binding agent in a mass fraction of 92:2.7:5.3.
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2.发明申请RESIN COMPOSITION, SEPARATOR FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY 有权树脂组合物，非水电解质二次电池的分离器及其生产方法和非水电解质二次电池公开(公告)号：US20150118539A1
公开(公告)日：2015-04-30
申请号：US14399650
申请日：2013-04-24
发明人： Junji Suzuki
CPC分类号： H01M2/1653 , C08K3/013 , C08L23/22 , H01M2/145 , H01M2/1686 , H01M10/05 , H01M10/052
摘要： The present invention provides a resin composition comprising the following resin (a) and filler particles. The use of this composition makes it possible to obtain a separator having excellent heat resistance. Resin (a): a polymer which comprises a structural unit represented by a formula (1), and which has a weight average molecular weight of 200000 to 500000, provided that the polymer does not comprise a structural unit represented by a formula (2), wherein, Mn+ represents a metal ion, and n represents the valence thereof,
摘要翻译： 本发明提供了包含以下树脂（a）和填料颗粒的树脂组合物。 使用该组合物可以获得耐热性优异的隔膜。 树脂（a）：包含由式（1）表示的结构单元并且其重均分子量为200000至500000的聚合物，条件是聚合物不包含由式（2）表示的结构单元， ，其中，Mn +表示金属离子，n表示其价数，
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3.发明申请USE FOR RESIN, RESIN COMPOSITION, SEPARATOR FOR NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING SAID SEPARATOR, AND NONAQUEOUS-ELECTROLYTE SECONDARY BATTERY 审中-公开用于树脂，树脂组合物，非水电解二次电池的分离器，制造分离器的方法和非电解质电解质二次电池公开(公告)号：US20150099156A1
公开(公告)日：2015-04-09
申请号：US14391191
申请日：2013-04-08
发明人： Junji Suzuki , Chikara Murakami
CPC分类号： H01M2/1653 , H01M2/145 , H01M2/1686 , H01M4/0404 , H01M4/139 , H01M10/05
摘要： The present invention provides a resin (a) as a binder for binding filler particles to a surface of a separator substrate for a nonaqueous-electrolyte secondary battery. The use of this resin (a) makes it possible to give a separator excellent in heat resistance. The resin (a) is a copolymer including a structural unit (1) derived from vinyl alcohol, and a structural unit (2) derived from a metal salt of acrylic acid.
摘要翻译： 本发明提供一种作为粘合剂的树脂（a），用于将填料颗粒粘合到非水电解质二次电池用隔膜基板的表面。 使用该树脂（a）可以赋予耐热性优异的隔膜。 树脂（a）是包含来自乙烯醇的结构单元（1）和由丙烯酸的金属盐衍生的结构单元（2）的共聚物。
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公开(公告)号：US11158907B2
公开(公告)日：2021-10-26
申请号：US16224111
申请日：2018-12-18
发明人： Ichiro Arise , Toshihiko Ogata , Kosuke Kurakane , Junji Suzuki
IPC分类号： H01M2/16 , H01M50/449 , H01M4/583 , H01M4/48 , H01M10/0525 , H01M4/525 , H01M50/409 , H01M50/411 , H01M4/587
摘要： A nonaqueous electrolyte secondary battery includes: a separator including a polyolefin porous film; a porous layer containing a polyvinylidene fluoride-based resin; and a positive electrode plate and a negative electrode plate for each of which the result of a scratch test in the width direction and the result of a scratch test in the flow direction are each within a predetermined range, the polyvinylidene fluoride-based resin containing an α-form polyvinylidene fluoride-based resin in an amount of not less than 35.0 mol %.
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公开(公告)号：US10916755B2
公开(公告)日：2021-02-09
申请号：US15593396
申请日：2017-05-12
发明人： Ichiro Arise , Syusaku Hara , Junji Suzuki , Hiroki Hashiwaki
IPC分类号： H01M2/16 , H01M10/0525 , G01N23/2251
摘要： The present invention provides a nonaqueous electrolyte secondary battery insulating porous layer having an excellent withstand voltage property and an excellent leakage resistance characteristic. The nonaqueous electrolyte secondary battery insulating porous layer having a trabecular structure including voids, which trabecular structure has an anisotropy value of 1.30 to 2.10, the anisotropy value being calculated from a three-dimensional image showing a void part and a solid content part on respective two gradation levels, the three-dimensional image being prepared by analyzing images of cross sections obtained by making observation at intervals of 20 nm in a thickness direction from a surface of the nonaqueous electrolyte secondary battery insulating porous layer with use of a FIB-SEM having a magnification of 6500 times.
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公开(公告)号：US10777844B2
公开(公告)日：2020-09-15
申请号：US16223651
申请日：2018-12-18
发明人： Ichiro Arise , Toshihiko Ogata , Junji Suzuki
IPC分类号： H01M10/0525 , H01M4/48 , H01M10/48 , H01M2/18 , H01M2/16 , H01M4/583 , H01M10/0585
摘要： The present invention provides a nonaqueous electrolyte secondary battery containing (i) a separator containing a polyolefin porous film, (ii) a porous layer containing a polyvinylidene fluoride-based resin, (iii) a positive electrode plate having a capacitance falling within a certain range, and (iv) a negative electrode plate having a capacitance falling within a certain range, the polyvinylidene fluoride-based resin containing an α-form polyvinylidene fluoride-based resin in an amount of not less than 35.0 mol %.
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公开(公告)号：US09837652B2
公开(公告)日：2017-12-05
申请号：US15302057
申请日：2015-04-06
发明人： Junji Suzuki
IPC分类号： H01M2/16 , B32B5/16 , B32B27/32 , B32B27/14 , H01M10/0525
CPC分类号： H01M2/1686 , B32B5/16 , B32B5/18 , B32B27/14 , B32B27/32 , B32B2264/102 , B32B2457/10 , H01M2/1646 , H01M2/1653 , H01M2/166 , H01M10/052 , H01M10/0525
摘要： A laminated porous film includes a porous base material layer containing polyolefin as a main component; a filler layer containing inorganic particles as a main component; and a resin layer containing resin particles as a main component, the resin particles showing an endothermic curve satisfying conditions (1) and (2) below, the endothermic curve being obtained by differential scanning calorimetry. Condition (1): a temperature at which DDSC is not less than 0.10 mW/min/mg is not less than 70° C. Condition (2): endothermic amount calculated from an area of the endothermic curve in a range of not less than 50° C. and not more than 70° C. is not less than −20.0 J/g.
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公开(公告)号：US20230145927A1
公开(公告)日：2023-05-11
申请号：US17796147
申请日：2021-01-27
发明人： Junji Suzuki , Chikara MURAKAMI
IPC分类号： H01M10/056
CPC分类号： H01M10/056 , H01M2300/0068 , H01M2300/0082 , H01M2300/0091
摘要： Provided is a solid electrolyte-containing layer capable of preventing a short circuit caused by the formation of a dendrite. A solid electrolyte-containing layers (30) in accordance with an aspect of the present invention includes (i) an inorganic solid electrolyte (31), (ii) a heat-resistant resin (32), and (iii) at least one selected from the group consisting of an ionic liquid, a mixture of an ionic liquid and a lithium salt, and a polymer electrolyte.
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公开(公告)号：US10581051B2
公开(公告)日：2020-03-03
申请号：US15727955
申请日：2017-10-09
发明人： Junji Suzuki , Takamasa Egawa
摘要： The invention provides for a reduction in the period of time necessary for recycling a separator winding core around which a nonaqueous electrolyte secondary battery separator is wound. The separator winding core is described by the Munsell color system as (i) a lightness of not less than 3.0 but not more than 9.2 and (ii) a chroma of not less than 0.5.
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公开(公告)号：US10468653B2
公开(公告)日：2019-11-05
申请号：US15300014
申请日：2015-04-07
发明人： Junji Suzuki
摘要： A laminated porous film includes: a porous base material layer containing polyolefin as a main component; a filler layer containing inorganic particles as a main component; and a resin layer containing, as a main component, resin particles having a median diameter (D50) of greater than 1 μm.
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