Patents Examined by Helen Oi K Conley
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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
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Patent number: 11626613Abstract: The present application provides a battery cell including a first electrode, a second electrode, and a separator disposed therebetween, wherein the separator comprises an extension portion beyond the first electrode and the second electrode at an end portion of the battery cell. The battery cell further includes an adhesive layer including a body and a connecting portion extending from the body. The body is adhered to the extension portion, and the connecting portion is adhered to the extension portion. It is an object of the present application to provide a battery cell that effectively eliminates invalidation resulted from short circuit caused by the separator shrinkage. The present application further provides an electrochemical device and a method of manufacturing thereof.Type: GrantFiled: November 29, 2018Date of Patent: April 11, 2023Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Houlei Cui, Zhiwen Xiao, Weimin Jiao, Guoluo Lin
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Patent number: 11605836Abstract: A lithium-metal battery, includes: a substrate; a cathode disposed on the substrate; a garnet solid-state electrolyte disposed on the cathode; and a lithium anode disposed on the garnet solid-state electrolyte, such that a discoloration layer is disposed at an interface of the lithium anode and garnet solid-state electrolyte, the discoloration layer includes: a first portion; and a second portion, such that the first portion has a lithium component and the second portion has a garnet component. A method of forming a lithium-metal battery, includes: stacking a garnet source with at least one lithium source; and heating the stack at a temperature of at least 300° C. for a time in a range of 1 sec to 20 min to form a discoloration layer, such that the discoloration layer is disposed at an interface of the garnet source and the lithium source.Type: GrantFiled: March 9, 2021Date of Patent: March 14, 2023Assignee: CORNING INCORPORATEDInventors: Michael Edward Badding, Jun Jin, Zhen Song, Jianmeng Su, Zhaoyin Wen, Tongping Xiu
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Patent number: 11600829Abstract: A fuel cell separator member forming a power generation cell includes a first separator, and a load receiver member disposed in a manner to protrude outward from the first separator. Reinforcement ribs extending in a direction in which the load receiver member protrudes are provided in a part of an outer peripheral portion of the first separator, the part being adjacent to a joint portion.Type: GrantFiled: February 3, 2021Date of Patent: March 7, 2023Assignee: Honda Motor Co., Ltd.Inventor: Suguru Ohmori
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Patent number: 11600841Abstract: A separator assembly for a fuel cell includes a first separator having tunnel-shaped fastening parts formed on a plurality of points of an edge area thereof, and a second separator having insert parts formed at positions corresponding to each of the fastening parts of the first separator on an edge area thereof to be inserted into the fastening parts, wherein the insert parts of the second separator are inserted into the fastening parts of the first separator to assemble the first separator and the second separator.Type: GrantFiled: February 24, 2021Date of Patent: March 7, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jae Hyeon Choi, Woo Chul Shin
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Patent number: 11594741Abstract: A method for producing bipolar plates for fuel cells, one metal strip or two metal strips is/are guided through a second or third device. The second device is designed to carry out fine cleaning and/or nitriding of the metal strip, and the third device carries out surface coating on one side of a surface with a metal layer that improves adhesion. Applying a carbon layer in a fourth device. The metal strips are then shaped, during which process channels are formed. The shaped metal strips are moved and positioned such that surface regions come into contact with one another. Joining is performed with a laser beam, which is directed into a gap between the shaped metal strips moved towards one another. The individual steps in the devices, like shaping and joining, are carried out in a continuous process.Type: GrantFiled: November 5, 2019Date of Patent: February 28, 2023Assignees: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V., TECHNISCHE UNIVERSITAET DRESDENInventors: Eckhard Beyer, Teja Roch
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Patent number: 11594747Abstract: A boron-containing proton-exchange solid support may include a proton-exchange solid support comprising an oxygen atom and a tetravalent boron-based acid group comprising a boron atom covalently bonded to the oxygen atom.Type: GrantFiled: November 8, 2021Date of Patent: February 28, 2023Assignee: 1s1 Energy, Inc.Inventors: Sukanta Bhattacharyya, Daniel Sobek
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Patent number: 11588181Abstract: Provided is a high-capacity SMD-type all-solid-state battery comprising: a stacked press body; a first external electrode formed on one side of the stacked press body; and a second external electrode formed on the other side of the stacked press body, wherein the stacked press body includes: a plurality of positive electrode sheets sequentially stacked and pressed so that an end of one side of each is connected to the first external electrode; a plurality of negative electrode sheets positioned between the positive electrode sheets crosswise with respect to the positive electrode sheets, and sequentially stacked and pressed so that an end of the other side of each is connected to the second external electrode; and a plurality of electrolyte sheets positioned between the positive electrode sheets and the negative electrode sheets and sequentially stacked and pressed.Type: GrantFiled: June 26, 2020Date of Patent: February 21, 2023Assignee: SAMHWA CAPACITOR CO., LTD.Inventors: Young Joo Oh, Jung Rag Yoon, Jong Kyu Lee
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Patent number: 11581572Abstract: Solid-state lithium ion electrolytes of lithium metal nitride based compounds are provided which contain an anionic framework capable of conducting lithium ions. Materials of specific formulae are provided and methods to alter the materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are provided. Electrodes containing the lithium metal nitride based composites are also provided.Type: GrantFiled: October 9, 2018Date of Patent: February 14, 2023Assignees: UNIVERSITY OF MARYLAND, COLLEGE PARK, TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.Inventors: Yifei Mo, Qiang Bai, Alexander Epstein, Chen Ling, Ying Zhang
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Patent number: 11575135Abstract: An electrode catalyst layer includes a catalyst material, a conductive carrier that supports the catalyst material, a polymer electrolyte containing a sulfonate group, and a fibrous material. The electrode catalyst layer includes a first surface configured to be in contact with the polymer electrolyte membrane, and a second surface facing away from the first surface. A first value is obtained by dividing a peak intensity of SO3 (m/z80) by a peak intensity of carbon (m/z12), and also dividing by a total thickness of the electrode catalyst layer, when the electrode catalyst layer is analyzed using time-of-flight secondary ion mass spectrometry (TOF-SIMS) at each of a plurality of positions in a thickness direction of the electrode catalyst layer from the first surface to the second surface. A rate of change of the first value with respect to a thickness of the electrode catalyst layer is ?0.0020 or less.Type: GrantFiled: September 23, 2020Date of Patent: February 7, 2023Assignee: TOPPAN PRINTING CO., LTD.Inventors: Kazuma Taniwaki, Takahiro Matsuura
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Patent number: 11569496Abstract: A lithium-ion rechargeable battery negative electrode active material and a preparation method thereof, a lithium-ion rechargeable battery negative electrode plate, and a lithium-ion rechargeable battery are provided. The negative electrode active material includes a carbon core and a coating layer formed on a surface of the carbon core, a material of the coating layer includes amorphous carbon and a doping element, and the doping element includes element nitrogen. The lithium-ion rechargeable battery negative electrode active material has the carbon core, and the coating layer that includes the doping element and the amorphous carbon is provided on the surface of the carbon core.Type: GrantFiled: June 18, 2018Date of Patent: January 31, 2023Assignee: Huawei Technologies Co., Ltd.Inventors: Jiahua Liang, Shengan Xia, Fengchao Xie
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Patent number: 11557772Abstract: A fuel cell arrangement with a membrane electrode assembly is provided which comprises a cathode, an anode and a membrane arranged between the cathode and the anode, with an active area essentially predetermined by the membrane electrode assembly, and with a sealing structure laterally assigned to the membrane electrode assembly. The sealing structure comprises a sealing tongue extending into or over an edge region outside the active area for axially covering in a gas-tight manner a media channel formed in an adjacent bipolar plate and located in the edge region. A unit cell for a fuel cell stack with such a fuel cell arrangement is also provided.Type: GrantFiled: October 1, 2018Date of Patent: January 17, 2023Assignee: AUDI AGInventors: Markus Gretzer, Norbert Kluy
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Patent number: 11552320Abstract: An anion exchange polymer includes aryl ether linkage free polyarylenes having aromatic/polyaromatic rings in polymer backbone and a tethered alkyl quaternary ammonium hydroxide side groups. This anion exchange polymer may be utilized in an anion exchange process and may be made into a thin anion transfer membrane. An ion transfer membrane may be mechanically reinforced having one or more layers of functional polymer based on a terphenyl backbone with quaternary ammonium functional groups and an inert porous scaffold material for reinforcement. An anion exchange membrane may have multilayers of anion exchange polymers which each containing varying types of backbones, varying degrees of functionalization, or varying functional groups to reduce ammonia crossover through the membrane.Type: GrantFiled: February 12, 2020Date of Patent: January 10, 2023Assignee: FFI IONIX IP, INC.Inventors: Bamdad Bahar, Taoli Gu
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Patent number: 11539052Abstract: A solid oxide electrochemical device comprises a solid electrolyte layer, the first surface and second surface having surface pores formed therein; a first composite electrolyte layer composed of metal and a solid electrolyte and having a first porosity; a second composite electrolyte layer composed of metal and the solid electrolyte and having the first porosity, the solid electrolyte layer sandwiched between the first composite electrolyte layer and the second composite electrolyte layer; a cathode on one of the first composite electrolyte layer and the second composite electrolyte layer; and an anode on another of the first composite electrolyte layer and the second composite electrolyte layer. The anode comprises an anode metal layer comprising pores; anode active material; and reforming catalyst, wherein the anode active material and the reforming catalyst line walls of the pores in the anode metal layer.Type: GrantFiled: June 25, 2020Date of Patent: December 27, 2022Assignee: Nissan North America, Inc.Inventor: Mohammed Hussain Abdul Jabbar
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Patent number: 11539057Abstract: A tab of a load receiver forming a fuel cell separator member includes a base portion in the form of a metal plate, and a resin member covering the base portion. A hole, into which the resin member is partially inserted, is formed in the base portion. The resin member includes a thick portion, and a thin portion positioned closer to a first separator than the thick portion is. The hole is disposed so as to be overlapped with the thick portion.Type: GrantFiled: January 27, 2021Date of Patent: December 27, 2022Assignee: Honda Motor Co., Ltd.Inventors: Suguru Ohmori, Masayuki Katsuno
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Patent number: 11515536Abstract: Provided is a multivalent metal-ion battery comprising an anode, a cathode, a porous separator electronically separating the anode and the 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 layer of an exfoliated graphite or carbon material recompressed to form an active layer that is oriented in such a manner that the active layer has a graphite edge plane in direct contact with the electrolyte and facing or contacting the separator.Type: GrantFiled: February 11, 2020Date of Patent: November 29, 2022Assignee: Global Graphene Group, Inc.Inventors: Aruna Zhamu, Bor Z. Jang