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公开(公告)号：US20210408525A1
公开(公告)日：2021-12-30
申请号：US17285682
申请日：2019-10-21
发明人： Ryosuke KUSANO , Yasuhiro TSUDO , Yasuji MARUYAMA , Kazuaki ONISHI , Yasuhiko OHSAWA , Yuki KUSACHI , Hajime SATOU , Hiroshi AKAMA , Hideaki HORIE
摘要： The present invention aims to provide a method for producing a pinhole-free thin resin current collector for negative electrodes. The method for producing a sheet-shaped resin current collector for negative electrodes of the present invention includes stacking three or more layers of melts of conductive resin compositions each containing a polyolefin and a conductive filler to obtain a multilayered body, wherein the polyolefin contained in each of the conductive resin compositions that form the respective layers of the multilayered body has a melt mass flow rate of 15 to 70 g/10 min as measured at a temperature of 230° C. and a load of 2.16 kg in accordance with JIS K7210-1:2014.
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2.发明申请RESIN FOR COATING LITHIUM-ION-BATTERY ACTIVE MATERIAL, RESIN COMPOSITION FOR COATING LITHIUM-ION-BATTERY ACTIVE MATERIAL, AND COATED ACTIVE MATERIAL FOR LITHIUM-ION BATTERY 审中-公开用于涂覆锂离子电池活性材料的树脂，用于涂覆锂离子电池活性材料的树脂组合物和用于锂离子电池的涂层活性材料公开(公告)号：US20160149216A1
公开(公告)日：2016-05-26
申请号：US14903318
申请日：2014-06-25
发明人： Yusuke MIZUNO , Yasuhiro SHINDO , Yasuhiro TSUDO , Kenichi KAWAKITA , Yuta MURAKAMI , Yuki KUSACHI , Yasuhiko OHSAWA , Hiroshi AKAMA , Hideaki HORIE
IPC分类号： H01M4/60 , H01M4/36 , C08G18/48 , C08F220/12 , C08F220/06 , C08G18/76 , C08G18/32 , H01M10/0525 , C08G18/44
CPC分类号： H01M4/602 , C08F220/06 , C08F220/12 , C08G18/3206 , C08G18/44 , C08G18/4833 , C08G18/664 , C08G18/6674 , C08G18/7614 , C08G18/7671 , C08L2203/20 , C09D133/02 , H01M4/366 , H01M4/525 , H01M4/587 , H01M4/621 , H01M10/0525 , Y02T10/7011 , C09D175/04 , C08K3/04
摘要： An object of the present invention is to provide a resin for coating an active material for lithium ion batteries which can prevent expansion of the electrode without inhibiting conduction of lithium ions. The resin for coating an active material for lithium ion batteries according to the present invention has a liquid absorbing rate of 10% or more when the resin is immersed in an electrolyte solution, and a tensile elongation at break of 10% or more when the resin is saturated with the electrolyte solution.
摘要翻译： 本发明的目的是提供一种用于涂覆锂离子电池用活性物质的树脂，其可以防止电极膨胀而不阻碍锂离子的传导。 根据本发明的用于涂覆锂离子电池用活性物质的树脂在树脂浸入电解质溶液中时的液体吸收率为10％以上，当树脂浸渍时，其断裂伸长率为10％以上 被电解质溶液饱和。
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公开(公告)号：US20210280844A1
公开(公告)日：2021-09-09
申请号：US16605639
申请日：2018-04-20
发明人： Tomoya OHTA , Kotaro NASU , Kenichi KAWAKITA , Takuya SUENAGA , Yusuke MORI , Yasuhiko OHSAWA , Yuki KUSACHI , Hajime SATOU , Hiroshi AKAMA , Hideaki HORIE
摘要： The present invention provides a viscous adhesive capable of retaining the shape of an electrode and allowing for production of an electrode for a lithium-ion battery having a structure in which the energy density of the electrode does not decrease. The present invention relates to a viscous adhesive for a lithium-ion electrode which allows active materials to adhere to each other in a lithium-ion electrode, the viscous adhesive having a glass transition temperature of 60° C. or lower, a solubility parameter of 8 to 13 (cal/cm3)1/2, and a storage shear modulus and a loss shear modulus of 2.0×103 to 5.0×107 Pa as measured in a frequency range of 10−1 to 101 Hz at 20° C., wherein the viscous adhesive is an acrylic polymer essentially containing a constituent unit derived from a (meth)acrylic acid alkyl ester monomer, the proportion of the (meth)acrylic acid alkyl ester monomer in monomers constituting the viscous adhesive is 50 wt % or more based on the total monomer weight, and the proportion of a fluorine-containing monomer is less than 3 wt % based on the total monomer weight.
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公开(公告)号：US20180226654A1
公开(公告)日：2018-08-09
申请号：US15506084
申请日：2015-08-21
发明人： Yasuhiko OHSAWA , Haijime SATOU , Hiroshi AKAMA , Hideaki HORIE , Yusuke MIZUNO , Hiroshi FUKUMOTO , Masatoshi OKURA , Yasuhiro SHINDO , Yasuhiro TSUDO
IPC分类号： H01M4/66 , H01M10/0525
CPC分类号： H01M4/667 , H01M4/663 , H01M4/668 , H01M10/052 , H01M10/0525 , H01M2220/20
摘要： The present invention provides a means for improving the output performance of a battery.An electrical connection structure of the present invention includes a current collector which includes a conductive resin layer containing a polymer material and a conductive filler and a conductive member which is in electrical contact with the conductive filler.
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公开(公告)号：US20170237116A1
公开(公告)日：2017-08-17
申请号：US15426695
申请日：2017-02-07
发明人： Yasuhiro SHINDO , Yusuke MIZUNO , Kenichi KAWAKITA , Yasuhiko OHSAWA , Yuki KUSACHI , Hajime SATOU , Hiroshi AKAMA , Hideaki HORIE
IPC分类号： H01M10/0525 , H01M4/525 , H01M4/62 , H01M2/02
CPC分类号： H01M4/624 , H01M2/0275 , H01M4/366 , H01M4/66 , H01M10/052 , H01M2004/027 , H01M2004/028 , H01M2220/20 , Y02E60/122
摘要： Provided is a lithium ion cell having a power generation part provided with a single cell obtained by stacking a positive electrode current collector, a positive electrode active material layer, a separator, a negative electrode active material layer, and a negative electrode current collector in the order, and an exterior cell container for accommodating the power generation part, in which the positive electrode active material layer is a non-bound material of a positive electrode active material particle, the negative electrode active material layer is a non-bound material of a negative electrode active material particle, and the single cell has flexibility.
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6.发明申请公开(公告)号：US20180301691A1
公开(公告)日：2018-10-18
申请号：US15951647
申请日：2018-04-12
发明人： Yusuke MIZUNO , Yasuhiro SHINDO , Yasuhiro TSUDO , Kenichi KAWAKITA , Yuki KUSACHI , Yasuhiko OHSAWA , Hajime SATOU , Hiroshi AKAMA , Hideaki HORIE
IPC分类号： H01M4/131 , H01M4/04 , H01M4/583 , H01M4/48 , H01M4/485 , H01M4/80 , H01M4/66 , H01M4/1393 , H01M4/1391 , H01M4/133 , H01M2/16 , H01M4/139 , H01M4/13
CPC分类号： H01M4/131 , H01M2/1673 , H01M4/0404 , H01M4/0416 , H01M4/043 , H01M4/0471 , H01M4/13 , H01M4/133 , H01M4/139 , H01M4/1391 , H01M4/1393 , H01M4/366 , H01M4/483 , H01M4/485 , H01M4/583 , H01M4/624 , H01M4/625 , H01M4/661 , H01M4/663 , H01M4/667 , H01M4/806 , H01M4/808 , H01M10/0525 , H01M2004/021 , Y02T10/7011
摘要： The present invention aims to provide an electrode for lithium ion batteries which exhibits excellent electrical conductivity even if its thickness is large. The electrode for lithium ion batteries of the present invention includes a first main surface to be located adjacent to a separator of a lithium ion battery and a second main surface to be located adjacent to a current collector of the lithium ion battery. The electrode has a thickness of 150 to 5000 μm. The electrode contains, between the first main surface and the second main surface, a conductive member (A) made of an electronically conductive material and a large number of active material particles (B). At least part of the conductive member (A) forms a conductive path that electrically connects the first main surface to the second main surface. The conductive path is in contact with the active material particles (B) around the conductive path.
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公开(公告)号：US20170237046A1
公开(公告)日：2017-08-17
申请号：US15426759
申请日：2017-02-07
发明人： Yasuhiro SHINDO , Yusuke MIZUNO , Kenichi KAWAKITA , Yasuhiko OHSAWA , Yuki KUSACHI , Hajime SATOU , Hiroshi AKAMA , Hideaki HORIE
IPC分类号： H01M2/02 , H01M4/66 , H01M2/10 , H01M4/505 , H01M4/525 , B29C70/84 , H01M4/60 , H01M4/587 , H01M4/40 , H01M4/38 , H01M4/62 , B29C70/88 , H01M10/0525 , H01M4/58
CPC分类号： H01M2/0277 , B29C70/84 , B29C70/88 , B29K2105/16 , B29K2995/0005 , B29L2031/3468 , H01M2/0215 , H01M2/026 , H01M2/30 , H01M4/0478 , H01M4/66 , H01M10/0436 , H01M10/049 , H01M10/052 , H01M2220/30
摘要： Provided is a method for producing a lithium ion cell having an outer container composed of a resin molded article, and the method for producing a lithium ion cell includes a current collector forming process of forming, on the inner side of an outer container, each of a first electrode current collector and a second electrode current collector composed of an electrically conductive polymer composition by using a molding die.
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8.发明申请ELECTRODE FOR LITHIUM-ION CELL, LITHIUM-ION CELL, AND METHOD FOR MANUFACTURING ELECTRODE FOR LITHIUM-ION CELL 审中-公开用于锂离子电池的电极，锂离子电池和用于制造锂离子电池的电极的方法公开(公告)号：US20170033350A1
公开(公告)日：2017-02-02
申请号：US15105655
申请日：2014-12-12
发明人： Yusuke MIZUNO , Yasuhiro SHINDO , Yasuhiro TSUDO , Kenichi KAWAKITA , Yuki KUSACHI , Yasuhiko OHSAWA , Hajime SATOU , Hiroshi AKAMA , Hideaki HORIE
IPC分类号： H01M4/131 , H01M4/1391 , H01M4/1393 , H01M4/04 , H01M10/0525 , H01M4/48 , H01M4/485 , H01M4/62 , H01M4/80 , H01M4/133 , H01M4/583
CPC分类号： H01M4/131 , H01M2/1673 , H01M4/0404 , H01M4/0416 , H01M4/043 , H01M4/0471 , H01M4/13 , H01M4/133 , H01M4/139 , H01M4/1391 , H01M4/1393 , H01M4/366 , H01M4/483 , H01M4/485 , H01M4/583 , H01M4/624 , H01M4/625 , H01M4/661 , H01M4/663 , H01M4/667 , H01M4/806 , H01M4/808 , H01M10/0525 , H01M2004/021 , Y02T10/7011
摘要： The present invention aims to provide an electrode for lithium ion batteries which exhibits excellent electrical conductivity even if its thickness is large. The electrode for lithium ion batteries of the present invention includes a first main surface to be located adjacent to a separator of a lithium ion battery and a second main surface to be located adjacent to a current collector of the lithium ion battery. The electrode has a thickness of 150 to 5000 μm. The electrode contains, between the first main surface and the second main surface, a conductive member (A) made of an electronically conductive material and a large number of active material particles (B). At least part of the conductive member (A) forms a conductive path that electrically connects the first main surface to the second main surface. The conductive path is in contact with the active material particles (B) around the conductive path.
摘要翻译： 本发明的目的在于提供即使厚度大的锂离子电池用电极，其电导率也优异。 本发明的锂离子电池用电极包括与锂离子电池的隔膜相邻的第一主面和位于锂离子电池的集电体附近的第二主面。 电极的厚度为150〜5000μm。 电极在第一主表面和第二主表面之间包含由电子导电材料和大量活性材料颗粒（B）制成的导电构件（A）。 导电构件（A）的至少一部分形成将第一主表面与第二主表面电连接的导电路径。 导电路径与导电路径周围的活性物质颗粒（B）接触。
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公开(公告)号：US20190020032A1
公开(公告)日：2019-01-17
申请号：US16136592
申请日：2018-09-20
发明人： Yusuke MIZUNO , Yasuhiro SHINDO , Yasuhiro TSUDO , Kenichi KAWAKITA , Yuta MURAKAMI , Yuki KUSACHI , Yasuhiko OHSAWA , Hiroshi AKAMA , Hideaki HORIE
IPC分类号： H01M4/60 , C08G18/76 , C09D133/02 , C08G18/66 , H01M10/0525 , H01M4/62 , H01M4/36
摘要： An object of the present invention is to provide a resin for coating an active material for lithium ion batteries which can prevent expansion of the electrode without inhibiting conduction of lithium ions. The resin for coating an active material for lithium ion batteries according to the present invention has a liquid absorbing rate of 10% or more when the resin is immersed in an electrolyte solution, and a tensile elongation at break of 10% or more when the resin is saturated with the electrolyte solution.
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