Patents by Inventor Hideaki Horie

Hideaki Horie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210111389
    Abstract: A predoping method for a negative electrode active material to dope the negative electrode active material with lithium ions using an electrolyte solution that includes lithium ions. The electrolyte solution includes at least one type of additive having a reduction potential higher than a reduction potential of a solvent contained in the electrolyte solution.
    Type: Application
    Filed: February 21, 2019
    Publication date: April 15, 2021
    Applicants: NISSAN MOTOR CO., LTD., JSR Corporation
    Inventors: Shotaro DOI, Yuki KUSACHI, Noboru YAMAUCHI, Tomohiro KABURAGI, Hideaki HORIE, Yusuke NAKASHIMA, Kazuya TSUCHIDA, Naofumi SHOJI, Koji SUMIYA, Shigehito ASANO, Yasuyuki KOGA, Nobuo ANDO, Terukazu KOKUBO
  • Patent number: 10964934
    Abstract: A laminate type battery includes a power generating element and an outer casing body. The power generating element is formed by electrically laminating in series a plurality of single battery layers in which a single battery layer is formed by sequentially laminating a positive electrode current collector, a positive electrode active material layer, an electrolyte layer, a negative electrode active material layer, and a negative electrode current collector. The power generating element is disposed inside the outer casing body. At least one of the positive electrode current collector or the negative electrode current collector includes a resin layer having conductivity. The single battery layer including the resin layer is electrically connected to an adjacent single battery layer via at least one resistance reduction layer.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: March 30, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie, Yusuke Mizuno, Hiroshi Fukumoto, Masatoshi Okura, Yasuhiro Shindo, Yasuhiro Tsudo
  • Patent number: 10957908
    Abstract: The objective of the present invention is to provide an electrode for a lithium ion battery which has excellent electron conductivity even when the thickness of the electrode is increased. The electrode for a lithium ion battery according to the present invention includes a first principal surface located on a separator side of the lithium ion battery, and a second principal surface located on a current collector side, wherein the electrode has a thickness of 50 to 5000 ?m, and the electrode includes, between the first principal surface and the second principal surface, short fibers (A) having an average fiber length of 50 nm or more and less than 100 ?m, long fibers (B) having an average fiber length of 100 ?m or more and 1000 ?m or less, and active material particles (C), and the short fibers (A) and the long fibers (B) are electroconductive fibers.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: March 23, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yusuke Mizuno, Yasuhiro Shindo, Yusuke Nakashima, Kenichi Kawakita, Yuki Kusachi, Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 10930920
    Abstract: To provide a negative electrode for a lithium ion battery having high energy density and excellent rapid charging characteristics. A negative electrode for a lithium ion battery, the negative electrode including a negative electrode current collector, a negative electrode active material layer formed on the surface of the negative electrode current collector, and a non-aqueous liquid electrolyte including an electrolyte containing lithium ions and a non-aqueous solvent, in which the negative electrode active material layer includes a negative electrode active material and voids, the voids are filled with the non-aqueous liquid electrolyte, and a proportion of the battery capacity based on a total amount of lithium ions in the non-aqueous liquid electrolyte existing in the negative electrode active material layer with respect to the battery capacity based on a total amount of the negative electrode active material is 3% to 17%.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: February 23, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kazuya Minami, Yusuke Nakashima, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 10916779
    Abstract: 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).
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: February 9, 2021
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Hiroshi Fukumoto, Yasuhiro Shindo, Manabu Watanabe, Hiroshi Akama, Hideaki Horie
  • Patent number: 10903488
    Abstract: To provide a non-aqueous electrolyte secondary battery negative electrode material that can be produced even without performing a heat treatment at a high temperature such as 2,000° C. or higher and can have the discharge capacity further increased. The non-aqueous electrolyte secondary battery negative electrode material according to the invention has a core portion including carbonaceous negative electrode active material particles; and a shell portion including a polyimide and silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles. There is a feature that the value of the ratio of the volume average particle size (D50) of the silicon-based negative electrode active material particles and/or tin-based negative electrode active material particles with respect to the volume average particle size (D50) of the carbonaceous negative electrode active material particles is 0.001 to 0.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: January 26, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie, Naofumi Shoji
  • Publication number: 20200395594
    Abstract: A predoping method for a negative electrode active material to dope the negative electrode active material with lithium ions. The predoping method for a negative electrode active material includes: a predoping process and a post-doping modification process. In the predoping process, the negative electrode active material is doped with lithium ions, to thereby reduce a potential of the negative electrode active material relative to lithium metal. In the post-doping modification process, after the predoping process, reaction is caused between a reactive compound that is reactive with lithium ions and lithium ions doped into the negative electrode active material, to thereby increase the potential of the negative electrode active material relative to lithium metal. The potential of the negative electrode active material relative to lithium metal is 0.8 V or more at completion of the post-doping modification process.
    Type: Application
    Filed: February 21, 2019
    Publication date: December 17, 2020
    Applicants: NISSAN MOTOR CO., LTD., JSR Corporation
    Inventors: Shotaro DOI, Yuki KUSACHI, Noboru YAMAUCHI, Tomohiro KABURAGI, Hideaki HORIE, Yusuke NAKASHIMA, Kazuya TSUCHIDA, Naofumi SHOJI, Koji SUMIYA, Shigehito ASANO, Yasuyuki KOGA, Nobuo ANDO, Terukazu KOKUBO
  • Publication number: 20200358078
    Abstract: 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 ?m. 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.
    Type: Application
    Filed: June 12, 2020
    Publication date: November 12, 2020
    Applicants: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Yusuke MIZUNO, Yasuhiro SHINDO, Yasuhiro TSUDO, Kenichi KAWAKITA, Yuki KUSACHI, Yasuhiko OHSAWA, Hajime SATOU, Hiroshi AKAMA, Hideaki HORIE
  • Publication number: 20200358077
    Abstract: 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 ?m. 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.
    Type: Application
    Filed: June 12, 2020
    Publication date: November 12, 2020
    Applicants: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Yusuke MIZUNO, Yasuhiro SHINDO, Yasuhiro TSUDO, Kenichi KAWAKITA, Yuki KUSACHI, Yasuhiko OHSAWA, Hajime SATOU, Hiroshi AKAMA, Hideaki HORIE
  • Patent number: 10790535
    Abstract: An electrode for a secondary cell includes a current collector and an electrode layer. The electrode layer has a gas flow passage disposed on the surface and/or in the interior of the electrode layer. The gas flow passage extends in the in-plane direction of the electrode layer. The electrode layer is made from an electrode layer forming material that contains an electrode active material and an ion conductive liquid and is a non-bonded body. A secondary cell comprises a power generation element having an electrolyte layer, a positive electrode disposed on a first surface side of the electrolyte layer, and a negative electrode disposed on a second surface side on the back of the first surface side of the electrolyte layer; and an outer casing that houses the power generation element. At least one of the positive electrode and the negative electrode is the electrode for a secondary cell.
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: September 29, 2020
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Takamasa Nakagawa, Hiroyuki Tanaka, Takahiro Tsukada, Hideaki Horie, Yuuki Kusachi, Yuusuke Emori, Yuusuke Mizuno
  • Publication number: 20200243867
    Abstract: A resin current collector provides means for improving the cycle characteristics in a lithium ion battery and includes a polyolefin resin, and a conductive carbon filler. The total surface area of the conductive carbon filler contained in 1 g of the resin current collector is 7.0 m2 or more and 10.5 m2 or less.
    Type: Application
    Filed: October 15, 2018
    Publication date: July 30, 2020
    Inventors: Ryosuke Kusano, Yoshihiro Ikeda, Yasuhiro Tsudo, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 10727476
    Abstract: 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 ?m. 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.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 28, 2020
    Assignees: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Yusuke Mizuno, Yasuhiro Shindo, Yasuhiro Tsudo, Kenichi Kawakita, Yuki Kusachi, Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Publication number: 20200219669
    Abstract: There is provided a means capable of suppressing generation of a lithium dendrite at the time of charging and discharging while sufficiently suppressing an amount of gas generated at the time of initial charging of an electric device. When a lithium ion is doped in advance to a negative electrode active material, which is used in an electric device including a positive electrode and a negative electrode, after performing a pre-doping step of doping the lithium ion to a negative electrode active material to be doped to reduce a potential (vs. Li+/Li) of the negative electrode active material to be doped with respect to a lithium metal, a dedoping step of dedoping the lithium ion from the negative electrode active material doped with the lithium ion in the pre-doping step to increase a potential (vs. Li+/Li) of the negative electrode active material with respect to the lithium metal is performed.
    Type: Application
    Filed: July 18, 2018
    Publication date: July 9, 2020
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Shotaro DOI, Yuki KUSACHI, Hideaki HORIE, Yusuke NAKASHIMA, Kazuya TSUCHIDA, Koji SUMIYA, Shigehito ASANO, Yasuyuki KOGA, Nobuo ANDO, Terukazu KOKUBO
  • Patent number: 10707493
    Abstract: The present invention provides an electrode capable of reducing contact resistance between a resin current collector and the electrode, and a method of manufacturing the electrode. The electrode of the present invention includes a positive electrode current collector 11 containing a polymer material and a conductive filler, a positive electrode active material layer 13 disposed adjacent to the positive electrode current collector, and a concavoconvex shape 11c corresponding to a concavoconvex shape 13c formed on a surface of the positive electrode active material layer that is in contact with the positive electrode current collector, the concavoconvex shape being formed on a surface of the positive electrode current collector that is in contact with the positive electrode active material layer.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: July 7, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yasuhiko Ohsawa, Hajime Satou, Yuki Kusachi, Hiroshi Akama, Hideaki Horie, Masatoshi Okura
  • Patent number: 10700345
    Abstract: To provide an electrode for a lithium ion secondary battery capable of enhancing a charge and discharge cycle durability of an electrode that uses a resin current collector. An electrode for a lithium ion secondary battery provided with a resin current collector including a polyolefin resin matrix and a conductive filler A, and an electrode active material layer provided on the resin current collector, in which a crosslinked resin thin-film layer, which contains an Ni filler as a conductive filler B that does not alloy with Li and which has impermeability to the electrolyte solution, is arranged between the resin current collector and a negative electrode active material layer.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: June 30, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie, Naofumi Shoji, Masatoshi Okura
  • Publication number: 20200185706
    Abstract: A positive electrode for non-aqueous electrolyte secondary battery that results in improved output characteristics at a high rate has a positive electrode active material layer having a thickness of 150 to 1500 ?m formed on a surface of a current collector. In addition, the positive electrode active material layer includes coated positive electrode active material particles in which at least a part of a surface of a positive electrode active material is coated with a coating agent containing a coating resin and a conductive aid. Furthermore, a porosity of the positive electrode active material layer is 35.0% to 50.0% and a density of the positive electrode active material layer is 2.10 to 3.00 g/cm3.
    Type: Application
    Filed: August 15, 2017
    Publication date: June 11, 2020
    Inventors: Hiroyuki Tanaka, Gentaro Kano, Hideaki Horie, Yuki Kusachi, Yusuke Nakashima, Kazuya Minami
  • Patent number: 10673057
    Abstract: To provide a negative electrode for a lithium ion battery in which a volume change of a silicon-based negative electrode active material due to charging and discharging is small, and a production method therefor. Provided is a method for producing a negative electrode for a lithium ion battery, the method including a step of forming a coating film on a current collector or a separator by using a slurry containing a negative electrode active material composition, which contains a silicon-based negative electrode active material and a carbon-based negative electrode active material, and a dispersion medium, in which the method further includes a step of doping the silicon-based negative electrode active material with lithium ions and a step of doping the carbon-based negative electrode active material with lithium ions before or after the step of forming the coating film and before assembling a lithium ion battery, and the method does not substantially include a step of drying the coating film.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: June 2, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Kazuya Tsuchida, Yusuke Nakashima, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
  • Patent number: 10658674
    Abstract: An electrode for improving the durability of a battery includes a current collector and an active material layer. The current collector has a conductive resin layer including a polymer material and a conductive filler. The electrode further includes a conductive member, which is in electrical contact with the conductive filler, between the current collector and the active material layer.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: May 19, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Yasuhiko Ohsawa, Hajime Satou, Hiroshi Akama, Hideaki Horie, Yusuke Mizuno, Hiroshi Fukumoto, Masatoshi Okura, Yasuhiro Shindo, Yasuhiro Tsudo
  • Publication number: 20200136125
    Abstract: 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.
    Type: Application
    Filed: April 20, 2018
    Publication date: April 30, 2020
    Applicants: SANYO CHEMICAL INDUSTRIES, LTD., NISSAN MOTOR CO., LTD.
    Inventors: Takuya SUENAGA, Kenichi KAWAKITA, Yuki KUSACHI, Yasuhiko OHSAWA, Hajime SATOU, Hiroshi AKAMA, Hideaki HORIE
  • Publication number: 20200099087
    Abstract: An electrode for a secondary cell includes a current collector and an electrode layer. The electrode layer has a gas flow passage disposed on the surface and/or in the interior of the electrode layer. The gas flow passage extends in the in-plane direction of the electrode layer. The electrode layer is made from an electrode layer forming material that contains an electrode active material and an ion conductive liquid and is a non-bonded body. A secondary cell comprises a power generation element having an electrolyte layer, a positive electrode disposed on a first surface side of the electrolyte layer, and a negative electrode disposed on a second surface side on the back of the first surface side of the electrolyte layer; and an outer casing that houses the power generation element. At least one of the positive electrode and the negative electrode is the electrode for a secondary cell.
    Type: Application
    Filed: December 14, 2017
    Publication date: March 26, 2020
    Inventors: Takamasa Nakagawa, Hiroyuki Tanaka, Takahiro Tsukada, Hideaki Horie, Yuuki Kusachi, Yuusuke Emori, Yuusuke Mizuno