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公开(公告)号：US11233229B2
公开(公告)日：2022-01-25
申请号：US16900351
申请日：2020-06-12
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 , H01M4/13 , H01M4/139 , H01M4/04 , H01M4/62 , H01M10/0525 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/66 , H01M4/80 , H01M4/48 , H01M4/583 , H01M50/46 , H01M4/485 , H01M4/36 , H01M4/02
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：US10916779B2
公开(公告)日：2021-02-09
申请号：US16135622
申请日：2018-09-19
IPC分类号： H01M4/66 , C08L67/00 , H01B1/22 , H01B1/24 , C08L69/00 , C08F255/02 , C08F255/04 , C08F8/50 , C08L23/06 , C08L23/12 , C08L67/04 , C08K3/08 , C08L51/06 , C08L23/02 , C08F293/00 , H01M10/0525 , H01M10/052
摘要： An object of the present invention is to provide a dispersant for a resin current collector which can uniformly disperse a conductive filler to attain sufficient charge and discharge characteristics without impairing the output power per unit weight of a battery. The present invention provides a dispersant for a resin current collector comprising a polymer having a resin-philic block (A1) and a conductive filler-philic block (A2).
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公开(公告)号：US10276858B2
公开(公告)日：2019-04-30
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： H01M4/48 , H01M4/62 , H01M4/80 , H01M4/131 , H01M4/133 , H01M4/139 , H01M4/485 , H01M4/583 , H01M4/1391 , H01M4/1393 , H01M10/0525 , H01M4/04 , H01M2/16 , H01M4/02 , H01M4/13 , H01M4/36 , H01M4/66
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：US11322732B2
公开(公告)日：2022-05-03
申请号：US16900382
申请日：2020-06-12
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 , H01M4/13 , H01M4/139 , H01M4/04 , H01M4/62 , H01M10/0525 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/66 , H01M4/80 , H01M50/46 , H01M4/48 , H01M4/485 , H01M4/583 , H01M4/36 , H01M4/02
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：US11283066B2
公开(公告)日：2022-03-22
申请号：US15120585
申请日：2015-02-16
发明人： Yusuke Mizuno , Takahiro Imaishi , Kenichi Kawakita , Yuki Kusachi , Hiroshi Akama , Hideaki Horie
IPC分类号： H01M4/36 , H01M4/62 , H01M4/13 , H01M4/583 , H01M4/133 , H01M10/0525 , H01M4/04 , H01M4/139 , H01M10/052 , H01M10/058 , H01M4/02
摘要： An object of the present invention is to provide a negative electrode active material capable of reducing the irreversible capacity of a lithium ion battery. The present invention provides a coated negative electrode active material for lithium ion batteries wherein at least a portion of the surface of a particulate negative electrode active material for lithium ion batteries is coated with a coating agent and the coated negative electrode active material is doped with at least one of lithium and lithium ions.
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公开(公告)号：US10312524B2
公开(公告)日：2019-06-04
申请号：US15506084
申请日：2015-08-21
发明人： Yasuhiko Ohsawa , Hajime Satou , Hiroshi Akama , Hideaki Horie , Yusuke Mizuno , Hiroshi Fukumoto , Masatoshi Okura , Yasuhiro Shindo , Yasuhiro Tsudo
IPC分类号： H01M2/20 , H01M4/66 , H01M2/22 , H01M4/64 , H01M2/26 , H01M10/0525 , H01M10/052
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：US11211596B2
公开(公告)日：2021-12-28
申请号：US16606858
申请日：2018-04-20
发明人： Takuya Suenaga , Kenichi Kawakita , Yuki Kusachi , Yasuhiko Ohsawa , Hajime Satou , Hiroshi Akama , Hideaki Horie
IPC分类号： H01M4/04 , H01M4/139 , H01M4/36 , H01M4/62 , H01M10/0525 , H01M10/058
摘要： The present invention provides a method of producing an electrode active material molded body for a lithium-ion battery suitable for the production of a lithium-ion battery, and a method of producing a lithium-ion battery using the electrode active material molded body, wherein the methods can reduce the time, work, equipment, and the like required for the production. The present invention provides a method of producing an electrode composition molded body for a lithium-ion battery, including: a molding step of molding a composition containing an electrode active material for a lithium-ion battery and an electrolyte solution into an electrode active material molded body for a lithium-ion battery as an unbound product of the electrode active material for a lithium-ion battery, wherein the composition has an electrolyte solution content of 0.1 to 40 wt % based on the weight of the composition.
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公开(公告)号：US10727476B2
公开(公告)日：2020-07-28
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 , H01M4/13 , H01M4/139 , H01M4/04 , H01M2/16 , H01M4/133 , H01M4/1391 , H01M4/1393 , H01M4/66 , H01M4/80 , H01M4/48 , H01M4/485 , H01M4/583 , H01M4/62 , H01M10/0525 , H01M4/36 , H01M4/02
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：US10135073B2
公开(公告)日：2018-11-20
申请号：US14903314
申请日：2014-06-25
IPC分类号： H01M4/68 , C08F293/00 , H01M10/0525 , H01M4/66 , H01B1/22 , H01B1/24 , C08L67/00 , C08L69/00 , C08F255/02 , C08F255/04 , C08F8/50 , C08L23/06 , C08L23/12 , C08L67/04 , H01M10/052
摘要： An object of the present invention is to provide a dispersant for a resin current collector which can uniformly disperse a conductive filler to attain sufficient charge and discharge characteristics without impairing the output power per unit weight of a battery. The present invention provides a dispersant for a resin current collector comprising a polymer having a resin-philic block (A1) and a conductive filler-philic block (A2).
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公开(公告)号：US20210359349A1
公开(公告)日：2021-11-18
申请号：US17290895
申请日：2020-09-04
发明人： Yohji Kawasaki , Yusuke Mizuno , Hideaki Horie
摘要： The present disclosure provides a secondary battery module capable of optically transmitting measurement data on characteristics of cells forming a battery pack and further reducing a complicated procedure of wiring. The secondary battery module of the present disclosure includes: a battery pack in which a plurality of cell units are connected, each of the cell units including a cell and a light-emitting unit, the cell including a stacked unit and an electrolyte, the light-emitting unit being configured to measure characteristics of the cell and generate an optical signal according to the characteristics; and an optical waveguide into which an optical signal is introduced from the light-emitting unit of each of the cell units, wherein the number of optical waveguides is less than the number of optical signals, and the optical waveguide provides a common optical path through which optical signals are propagated from the light-emitting units provided in the battery pack.
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