Patents by Inventor Takayoshi Kambara

Takayoshi Kambara 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).

  • METHOD FOR MANUFACTURING HALOGENATED LITHIUM AND METHOD FOR MANUFACTURING SULFIDE SOLID ELECTROLYTE
    Publication number: 20240083761
    Abstract: The present invention relates to a method for producing a lithium halide compound, including performing a mixing heat treatment step of mixing lithium sulfide and an ammonium halide under a heating condition of 90 to 250° C., and which does not involve a step of directly removing water, does not use a simple substance halogen which is complicated to handle, can easily remove by-products, and does not require excessive energy for production.
    Type: Application
    Filed: January 17, 2022
    Publication date: March 14, 2024
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takayoshi KAMBARA, Hiroaki YAMADA
  • Method for producing sulfide solid electrolyte having argyrodite-type crystal structure
    Patent number: 11916191
    Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: February 27, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Minoru Senga, Katsuhito Kondo, Naoya Masuda, Hironari Kimpara, Futoshi Utsuno, Hiroyuki Tamura
  • Production method for solid electrolyte
    Patent number: 11664530
    Abstract: Provided is a method for producing a solid electrolyte having peaks at 2?=20.2°±0.5° and 23.6°±0.5° in X-ray diffractometry using a CuK? ray and containing a lithium element, a phosphorus element, a sulfur element, and a halogen element, the method including using raw materials containing yellow phosphorus and a compound containing a lithium element, a sulfur element, and a halogen element.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 30, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Minoru Senga, Hiroyuki Tamura
  • METHOD FOR PRODUCING SOLID ELECTROLYTE
    Publication number: 20230021458
    Abstract: According to a method for producing a solid electrolyte that contains a lithium atom, a sulfur atom, a phosphorus atom and a halogen atom, including mixing a complexing agent and a solid electrolyte raw material, a solid electrolyte having a high ionic conductivity is provided using a liquid-phase method.
    Type: Application
    Filed: December 21, 2020
    Publication date: January 26, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Mitsuru SHIBATA, Takayoshi KAMBARA, Masayuki SHIBATA
  • PRODUCTION METHOD FOR SOLID ELECTROLYTE AND ELECTROLYTE PRECURSOR
    Publication number: 20220294008
    Abstract: The present invention provides a production method of a solid electrolyte containing a lithium element, a sulfur element, a phosphorous element, and a halogen element, wherein the solid electrolyte has a high ionic conductivity and capable of suppressing hydrogen sulfide by adopting a liquid-phase method, wherein the method includes mixing a complexing agent having an ester group and also having at least one branch with a solid electrolyte raw material. The present invention also relates to an electrolyte precursor.
    Type: Application
    Filed: September 9, 2020
    Publication date: September 15, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takayoshi KAMBARA, Nobuhito NAKAYA, Hiroaki YAMADA
  • PRODUCTION METHOD FOR SOLID ELECTROLYTE
    Publication number: 20210367266
    Abstract: Provided is a method for producing a solid electrolyte having peaks at 2?=20.2°±0.5° and 23.6°±0.5° in X-ray diffractometry using a CuK? ray and containing a lithium element, a phosphorus element, a sulfur element, and a halogen element, the method including using raw materials containing yellow phosphorus and a compound containing a lithium element, a sulfur element, and a halogen element.
    Type: Application
    Filed: July 16, 2019
    Publication date: November 25, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takayoshi KAMBARA, Minoru SENGA, Hiroyuki TAMURA
  • METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE HAVING ARGYRODITE-TYPE CRYSTAL STRUCTURE
    Publication number: 20210005924
    Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.
    Type: Application
    Filed: March 1, 2019
    Publication date: January 7, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi KAMBARA, Minoru SENGA, Katsuhito KONDO, Naoya MASUDA, Hironari KIMPARA, Futoshi UTSUNO, Hiroyuki TAMURA
  • Method for producing solid electrolyte
    Patent number: 10879559
    Abstract: A method for producing a solid electrolyte comprising feeding a solid electrolyte raw material-containing liquid comprising: a solid electrolyte raw material comprising lithium, phosphorus, sulfur and chlorine; and a solvent, to a liquid or gas medium having a temperature higher than the boiling point of the solvent, thereby evaporating the solvent and reacting the solid electrolyte raw material to precipitate a solid electrolyte having an argyrodite-type crystal structure.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: December 29, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Minoru Senga, Takayoshi Kambara, Katsuhito Kondo, Takashi Umeki, Naoya Masuda
  • METHOD FOR PRODUCING SOLID ELECTROLYTE
    Publication number: 20190074544
    Abstract: A method for producing a solid electrolyte comprising feeding a solid electrolyte raw material-containing liquid comprising: a solid electrolyte raw material comprising lithium, phosphorus, sulfur and chlorine; and a solvent, to a liquid or gas medium having a temperature higher than the boiling point of the solvent, thereby evaporating the solvent and reacting the solid electrolyte raw material to precipitate a solid electrolyte having an argyrodite-type crystal structure.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 7, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Minoru Senga, Takayoshi Kambara, Katsuhito Kondo, Takashi Umeki, Naoya Masuda
  • Solid electrolyte
    Patent number: 10090558
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: October 2, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Method for producing sulfide solid electrolyte
    Patent number: 10020535
    Abstract: A method for producing a sulfide glass ceramic, including reacting a lithium compound, a phosphorus compound and a halogen compound in a solvent that contains a hydrocarbon and an ether compound to produce a sulfide glass that contains a Li element, a P element, a S element and one or more halogen elements, and heating the sulfide glass to produce a sulfide glass ceramic.
    Type: Grant
    Filed: December 1, 2016
    Date of Patent: July 10, 2018
    Assignees: IDEMITSU KOSAN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi Sato, Takayoshi Kambara, Takumi Tanaka, Hirokazu Kawaoka, Takuo Yanagi, Takayoshi Doi, Takayuki Uchiyama, Shigenori Hama
  • Positive electrode mix
    Patent number: 9859562
    Abstract: A positive electrode mix including a solid electrolyte and a sulfur-based active material, wherein the solid electrolyte comprises a Li element or a Na element; a S element; and a halogen element selected from the group consisting of I, Br, Cl and F.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: January 2, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hiromichi Koshika, Hiroyuki Higuchi, Takayoshi Kambara
  • Solid electrolyte
    Patent number: 9806373
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: October 31, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Tadanori Junke, Ryo Aburatani, Hiroyuki Higuchi, Masaru Nakagawa, Tsuyoshi Ota, Yoshikatsu Seino
  • Method for producing solid electrolyte
    Patent number: 9793574
    Abstract: A method for producing a solid electrolyte including step of bringing the following into contact with each other in a solvent having a solubility parameter of 9.0 or more: an alkali metal sulfide; one or two or more sulfur compounds selected from phosphorus sulfide, germanium sulfide, silicon sulfide and boron sulfide; and a halogen compound.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: October 17, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoshikatsu Seino, Takayoshi Kambara, Minoru Senga, Ryo Aburatani, Tadanori Junke, Masakatsu Kimura
  • SOLID ELECTROLYTE
    Publication number: 20170222261
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi KAMBARA, Hiroyuki HIGUCHI, Hiroyuki TAMURA, Masaru NAKAGAWA, Tadanori JUNKE
  • SOLID ELECTROLYTE
    Publication number: 20170194662
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Application
    Filed: February 27, 2017
    Publication date: July 6, 2017
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Takayoshi KAMBARA, Tadanori JUNKE, Ryo ABURATANI, Hiroyuki HIGUCHI, Masaru NAKAGAWA, Tsuyoshi OTA, Yoshikatsu Seino
  • Solid electrolyte
    Patent number: 9673482
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: June 6, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • METHOD FOR PRODUCING SULFIDE SOLID ELECTROLYTE
    Publication number: 20170155170
    Abstract: A method for producing a sulfide glass ceramic, including reacting a lithium compound, a phosphorus compound and a halogen compound in a solvent that contains a hydrocarbon and an ether compound to produce a sulfide glass that contains a Li element, a P element, a S element and one or more halogen elements, and heating the sulfide glass to produce a sulfide glass ceramic.
    Type: Application
    Filed: December 1, 2016
    Publication date: June 1, 2017
    Applicants: IDEMITSU KOSAN CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi SATO, Takayoshi KAMBARA, Takumi TANAKA, Hirokazu KAWAOKA, Takuo YANAGI, Takayoshi DOI, Takayuki UCHIYAMA, Shigenori HAMA
  • Solid electrolyte
    Patent number: 9620811
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 11, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Tadanori Junke, Ryo Aburatani, Hiroyuki Higuchi, Masaru Nakagawa, Tsuyoshi Ota, Yoshikatsu Seino
  • METHOD FOR PRODUCING SOLID ELECTROLYTE
    Publication number: 20160104916
    Abstract: A method for producing a solid electrolyte including step of bringing the following into contact with each other in a solvent having a solubility parameter of 9.0 or more: an alkali metal sulfide; one or two or more sulfur compounds selected from phosphorus sulfide, germanium sulfide, silicon sulfide and boron sulfide; and a halogen compound.
    Type: Application
    Filed: April 21, 2014
    Publication date: April 14, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yoshikatsu SEINO, Takayoshi KAMBARA, Minoru SENGA, Ryo ABURATANI, Tadanori JUNKE, Masakatsu KIMURA