Patents Examined by Helen Oi K Conley
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Patent number: 11799092Abstract: A cathode catalyst layer of fuel cells, the cathode catalyst layer including a first fibrous electrically-conductive member, a first particulate electrically-conductive member, first catalyst particles, and a first proton conductive resin. A ratio I1/C1 of a mass of the first proton conductive resin to a mass of the first electrically particulate conductive member is in a range of 1.0 to 1.6. A ratio of the first fibrous electrically-conductive member to 100 parts by mass of the first particulate conductive member is 30 to 50 parts by mass. The first proton conductive resin has an EW value of 600 to 850.Type: GrantFiled: July 18, 2019Date of Patent: October 24, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shinichiro Imura, Takeshi Minamiura, Hitoshi Ishimoto
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Patent number: 11799111Abstract: To provide a battery or a membrane electrode assembly having high durability. A battery (100) having a multilayer structure containing layers of a pair of electrodes (1), the battery (100) including a reinforcing material (20) provided in one or more layers or between layers.Type: GrantFiled: August 14, 2020Date of Patent: October 24, 2023Assignee: Robert Bosch GmbHInventors: Shogo Takamuku, Shinichi Makino
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Patent number: 11791449Abstract: Provided is a multivalent metal-ion battery comprising an anode, a cathode, and an electrolyte in ionic contact with the anode and the cathode to support reversible deposition and dissolution of a multivalent metal, selected from Ni, Zn, Be, Mg, Ca, Ba, La, Ti, Ta, Zr, Nb, Mn, V, Co, Fe, Cd, Cr, Ga, In, or a combination thereof, at the anode, wherein the anode contains the multivalent metal or its alloy as an anode active material and the cathode comprises a cathode active layer of a graphite or carbon material having expanded inter-graphene planar spaces with an inter-planar spacing d002 from 0.43 nm to 2.0 nm as measured by X-ray diffraction. Such a metal-ion battery delivers a high energy density, high power density, and long cycle life.Type: GrantFiled: March 20, 2017Date of Patent: October 17, 2023Assignee: Global Graphene Group, Inc.Inventors: Aruna Zhamu, Bor Z Jang
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Patent number: 11791505Abstract: The present disclosure relates to methods by which lead from spent lead-acid batteries may be extracted, purified, and used in the construction of new lead-acid batteries. A method includes: (A) forming a mixture including a carboxylate source and a lead-bearing material; (B) generating a first lead salt precipitate in the mixture as the carboxylate source reacts with the lead-bearing material; (C) increasing the pH of the mixture to dissolve the first lead salt precipitate; (D) isolating a liquid component of the mixture from one or more insoluble components of the mixture; (E) decreasing the pH of the liquid component of the mixture to generate a second lead salt precipitate; and (F) isolating the second lead salt precipitate from the liquid component of the mixture. Thereafter, the isolated lead salt precipitate may be converted to leady oxide for use in the manufacture of new lead-acid batteries.Type: GrantFiled: September 14, 2020Date of Patent: October 17, 2023Assignee: CPS Technology Holdings LLCInventor: Matthew A. Spence
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Patent number: 11769881Abstract: An organic electrochemical cell includes a cathode including a quinone compound, an anode including dipotassium terephthalate, an electrolyte, and a separator disposed between the anode and the cathode, the organic electrochemical cell configured such that, during a discharging operation, potassium ions travel through the separator and the electrolyte to the cathode.Type: GrantFiled: February 17, 2022Date of Patent: September 26, 2023Inventors: Srigouri Oruganty, Roxsonna Janiszewski
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Patent number: 11764366Abstract: A cathode of a battery including an electrolyte membrane, containing a first layer which contains 0.3 mg/cm2 or more and 9.0 mg/cm2 or less of a carbon catalyst; and a second layer which is arranged between the electrolyte membrane and the first layer in the battery, and which contains 0.002 mg/cm2 or more and 0.190 mg/cm2 or less of platinum. The carbon catalyst has a ratio of a mesopore volume to a total pore volume of 30% or more.Type: GrantFiled: June 1, 2022Date of Patent: September 19, 2023Assignee: NISSHINBO HOLDINGS INC.Inventors: Takeaki Kishimoto, Yoshikazu Kobayashi, Chihiro Fujii, Siyu Ye, Dustin William H Banham
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Patent number: 11749823Abstract: A method for manufacturing a fuel cell stack body includes a step of forming a plurality of line-shaped separator cross-sectional patterns. In the patterns, a first direction along the build surface is the stacking direction, and a second direction orthogonal to the first direction is the planar direction of the separators. The patterns extend in the second direction and meander so as to have convexities and concavities in the first direction. The manufacturing method further includes a step of forming the electrolyte membrane cross-sectional pattern and a step of forming the electrode cross-sectional patterns. These steps are repeated to perform stacking in a direction perpendicular to the build surface.Type: GrantFiled: September 15, 2021Date of Patent: September 5, 2023Assignee: Honda Motor Co., Ltd.Inventor: Shingo Nagamine
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Patent number: 11742529Abstract: A fluoride ion secondary battery, comprising: a positive electrode layer, a solid electrolyte layer, and a negative electrode layer, wherein the positive electrode layer comprises a positive electrode active material; the positive electrode active material comprises a composite fluoride comprising copper and a fluoride; the solid electrolyte comprises BaCaF4; the negative electrode layer comprises a negative electrode active material, a conductive aid, and a solid electrolyte; the negative electrode active material comprises a lanthanoid fluoride doped with the alkaline earth metal fluoride; the conductive aid comprises a carbon material, the solid electrolyte contained in the negative electrode layer comprises at least one of BaCaF4 and SrCaF4; and the lanthanoid fluoride doped with the alkaline earth metal fluoride forms a composite with the carbon material.Type: GrantFiled: February 11, 2022Date of Patent: August 29, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Akihisa Tanaka, Yoshiyuki Morita
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Patent number: 11715833Abstract: A fuel cell electrode catalyst includes catalyst metal particles and electrically conductive support particles supporting the catalyst metal particles. In the fuel cell electrode catalyst, a proportion of a surface area occupied by the catalyst metal particles with particle sizes of 4.5 nm or less to a surface area of the catalyst metal particles calculated from a transmission electron microscope image is 5% or less.Type: GrantFiled: March 8, 2022Date of Patent: August 1, 2023Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, CATALER CORPORATIONInventors: Toshihiro Ikai, Tomohiro Ishida, Godai Kitayama, Yousuke Horiuchi
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Patent number: 11710831Abstract: A fuel cell with high productivity, high power generation performance and high durability is described, along with a gas diffusion electrode base material having a microporous layer on one side of an electrically conductive porous base material, where the electrically conductive porous base material contains carbon fiber and resin carbide and has a density of 0.25 to 0.39 g/cm3 and a pore mode diameter in a range of 30 to 50 ?m. The microporous layer contains a carbonaceous powder and a fluororesin and has a surface roughness of 2.0 to 6.0 ?m, a porosity of 50 to 95%, and a pore mode diameter of 0.050 to 0.100 ?m.Type: GrantFiled: September 26, 2019Date of Patent: July 25, 2023Assignee: Toray Industries, Inc.Inventors: Masamichi Utsunomiya, Fumitaka Watanabe
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Patent number: 11705569Abstract: A composite polymer electrolyte membrane comprising a nanofiber sheet having a basis weight of 1.5 g/m2 or more and 4.0 g/m2 or less, and a proton-conducting polymer, the electrolyte membrane having a sheet shape in which the proton-conducting polymer and the nanofiber sheet are combined, and having an average coefficient of linear expansion of 300 ppm/K or less from 20° C. to 120° C. in an in-plane direction of the sheet shape.Type: GrantFiled: April 3, 2018Date of Patent: July 18, 2023Assignee: Asahi Kasei Kabushiki KaishaInventors: Kazuki Kato, Junji Sakuda
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Patent number: 11688860Abstract: A fluid flow plate for an electrochemical fuel cell assembly comprises a first plurality of fluid flow channels extending across an area of the flow plate to define a flow field of the fluid flow plate. An array of first fluid transfer points is disposed along an edge of the flow field for communicating fluid into or out of the fluid flow channels. A gallery has a first peripheral edge portion bounded by the array of first fluid transfer points and at least two second peripheral edge portions each bounded by an array of second fluid transfer points disposed along fluid access edges of the fluid flow plate. The at least two second peripheral edge portions are disposed at oblique angles to the first peripheral edge portion such that the total length of the any of second fluid transfer points is at least as long as, and preferably longer than, the length of the array of first fluid transfer points.Type: GrantFiled: January 15, 2020Date of Patent: June 27, 2023Assignee: INTELLIGENT ENERGY LIMITEDInventors: Peter David Hood, Paul Leonard Adcock
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Patent number: 11682768Abstract: An electrode for a battery includes an iron-containing substrate and a cobalt ferrite layer disposed over the iron-containing substrate. Advantageously, the cobalt ferrite layer inhibits corrosion of the iron-containing substrate. A nickel hydroxide layer is disposed over the cobalt ferrite layer. A battery incorporating the electrode is also provided.Type: GrantFiled: November 9, 2021Date of Patent: June 20, 2023Assignee: University of Southern CaliforniaInventors: Sri Narayan, Debanjan Mitra, Phong Thanh Trinh, Ahamed Irshad Maniyanganam
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Patent number: 11677096Abstract: Solid electrolyte includes a first solid electrolyte that is a phosphate salt including Li and Ta, and a second solid electrolyte that is NASICON type solid electrolyte. In a cross section of the solid electrolyte, an area ratio of the first solid electrolyte is more than 10% and an area ratio of the second solid electrolyte is more than 10%.Type: GrantFiled: April 7, 2021Date of Patent: June 13, 2023Assignee: TAIYO YUDEN CO., LTD.Inventor: Daigo Ito
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Patent number: 11654782Abstract: Provided is a battery module. The battery module includes: a plurality of battery packs; a bus bar electrically connecting neighboring battery packs to each other; and a bus bar cover covering an end portion of the bus bar for insulating the bus bar, the bus bar cover including a hollow portion through which a coupling hole of the bus bar is exposed, the hollow portion extending in a direction away from the bus bar. According to embodiments, in the battery module, the bus bar electrically connecting different battery packs is sufficiently insulated to prevent malfunctions and safety accidents caused by a short circuit of the bus bar through which charging and discharging high-voltage current flows.Type: GrantFiled: July 17, 2017Date of Patent: May 23, 2023Assignee: Samsung SDI Co., Ltd.Inventor: Doosung Jeon
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Patent number: 11652220Abstract: The present embodiment is a fuel cell including a stacked body of single cells each of which includes a power generating unit and separators disposed on both surfaces of the power generating unit, in which the separators each include a metal base material, a carbon layer made of carbon and formed on a first surface of the metal base material on a power generating unit side, and a titanium nitride layer made of titanium nitride and formed on a second surface of the metal base material opposite to the first surface.Type: GrantFiled: August 23, 2021Date of Patent: May 16, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daichi Miyazaki, Masaki Hirano, Hitoshi Tanino, Tomonari Kogure
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Patent number: 11652216Abstract: An electrode catalyst layer for fuel cells capable of effectively preventing reduction of cell voltage in a high current density region. The electrode catalyst layer contains a catalyst-on-support composed of a support made of a conductive inorganic oxide having a catalyst supported thereon and a hydrophilic material. The hydrophilic material is an agglomerate including hydrophilic conductive particles. The content of the hydrophilic material in the catalyst layer is 2 mass % or higher and lower than 20 mass % relative to the sum of the support and the hydrophilic material. The ratio of the particle size d1 of the hydrophilic particles to the particle size D of the catalyst-on-support is 0.5 to 3.0. The ratio of the particle size d2 of the hydrophilic material to the thickness T of the catalyst layer is 0.1 to 1.2.Type: GrantFiled: June 4, 2019Date of Patent: May 16, 2023Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Satoshi Mogi, Hiromu Watanabe, Ryoma Tsukuda, Naohiko Abe
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Patent number: 11646435Abstract: A load receiver member of a fuel cell separator member of a fuel cell stack includes an attachment portion disposed between an outer peripheral portion of a first metal separator and an outer peripheral portion of a second metal separator, and a tab continuous with the attachment portion and protruding from an outer peripheral portion of a joint separator. The attachment portion is joined to the outer peripheral portion of the joint separator by a joint portion.Type: GrantFiled: January 11, 2021Date of Patent: May 9, 2023Assignee: Honda Motor Co., Ltd.Inventor: Suguru Ohmori
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Patent number: 11642982Abstract: A power plant thermal-management-system control method for controlling thermal management systems in PMCs is provided. The thermal management systems are operated based on coolant temperatures of the PMCs of a power plant of a fuel cell vehicle to prevent the temperatures of the PMCs from deviating from a reference range, which in turn prevents degradation of fuel cells.Type: GrantFiled: February 27, 2019Date of Patent: May 9, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Hyun Jae Lee, Yei Sik Jeon
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Patent number: 11631884Abstract: A system and a method for forming a composite electrolyte structure are provided. An exemplary composite electrolyte structure includes, at least in part, polymer electrolyte preforms that are bonded into the composite electrolyte structure.Type: GrantFiled: June 2, 2020Date of Patent: April 18, 2023Assignee: Saudi Arabian Oil CompanyInventors: Guodong Zhan, Timothy E. Moellendick, Abdulwahab S Aljohar, Chinthaka Pasan Gooneratne, Jianhui Xu