Patents Examined by Mary G Henshaw
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Patent number: 11575138Abstract: A cooling system and cooling method for a fuel cell onboard a vehicle, wherein the fuel cell includes a gasifier configured to expand liquid hydrogen to gaseous hydrogen for feed to the fuel cell, the cooling system including a coolant system sized for less than peak power operation of the vehicle; and an auxiliary coolant system configured to provide supplemental cooling to the fuel cell, wherein the supplemental coolant system is configured to by-pass coolant to the gasifier and employ heat of gasification of the liquid hydrogen to provide supplemental cooling for the fuel cell during peak vehicle operation.Type: GrantFiled: June 10, 2022Date of Patent: February 7, 2023Assignee: ZEROAVIA, INC.Inventors: Valery Miftakhov, Bob L. Mackey
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Patent number: 11545710Abstract: A power battery base includes a tray and a liquid cooling tube disposed on the tray, wherein the tray includes a bottom plate and side plates disposed around the periphery of the bottom plate, the bottom plate and the side plates jointly form a receiving cavity for receiving a power battery pack, the bottom plate is provided with at least one beam, the beam divides the bottom plate into at least two sub-bottom plates, the liquid cooling tube is laid on at least one of the sub-bottom plates, and the liquid cooling tube is disposed across the beam that it passes through.Type: GrantFiled: November 7, 2017Date of Patent: January 3, 2023Assignee: BYD COMPANY LIMITEDInventors: Yi Zeng, Weixin Zheng, Jianhua Zhu, Yan Zhu
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Patent number: 11545682Abstract: A fuel cell system including: a fuel cell group; a refrigerant distribution passage; a pre-distribution refrigerant flow rate acquiring unit configured to acquire a first outlet temperature flow rate; a first outlet temperature detecting unit that is configured to detect a first outlet temperature; a voltage acquiring unit configured to acquire at least a first voltage that is a voltage of the first fuel cell; a current acquiring unit configured to acquire at least a first current; and a controller that calculates a first individual supply flow rate of the first fuel cell on the basis of the first voltage, the first current, and the first outlet temperature, and calculates a second individual supply flow rate of at least one second fuel cell other than the first fuel cell on the basis of the first individual supply flow rate and the pre-distribution refrigerant flow rate.Type: GrantFiled: August 14, 2017Date of Patent: January 3, 2023Assignee: NISSAN MOTOR CO., LTD.Inventor: Masashi Sato
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Patent number: 11532824Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a first cell and a second cell disposed adjacent the first cell. The devices may include a stacked current collector coupled between the first cell and the second cell. The current collector may include a grid or matrix, and may include a combination of conductive and insulative materials.Type: GrantFiled: February 12, 2019Date of Patent: December 20, 2022Assignee: Apple Inc.Inventors: Andrew C. Chu, Christopher T. Campbell, Qingcheng Zeng, Kenzo Nagai, Isaac S. Harper, Donald G. Dafoe
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Patent number: 11502360Abstract: A battery housing for a traction battery may include a first housing part and a second housing part fixed removably to each other. Battery modules of the traction battery may be fixable on the first housing part. The housing may also include a reinforcing structure having a plurality of reinforcing ribs reinforcing the first housing part, and a ducted structure with a plurality of coolant ducts for a coolant fixed on the first housing part. The plurality of coolant ducts may each be connectable to a respective temperature-control unit of a battery module in a coolant-conducting fashion. At least one of the coolant ducts may be at least partially embedded in one of the reinforcing ribs.Type: GrantFiled: September 5, 2018Date of Patent: November 15, 2022Inventors: Ingo Haeusler, Ruediger Knauss, Peter Nowak, Karl-Ulrich Schmid-Walderich
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Patent number: 11489229Abstract: A battery venting system having a battery module containing a plurality of pouch cells. The battery module also includes a vent port. The battery venting system also including a vent outlet disposed on the surface of an aircraft fuselage. The battery venting system further including a vent conduit fluidly connecting the vent port of the battery module to the vent outlet. The vent conduit is configured to carry battery ejecta from the battery module, from the vent port to the vent outlet. The vent conduit includes at least a cooling fin disposed on an interior wall of the vent conduit and extending into the vent conduit, the at least a cooling fin configured to dissipate heat from the battery ejecta, when the battery ejecta is in the vent conduit.Type: GrantFiled: December 28, 2021Date of Patent: November 1, 2022Assignee: BETA AIR, LLCInventors: Tyler John Skroski, Stuart Denson Schreiber
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Patent number: 11482712Abstract: A catalyst for a fuel cell anode comprises an alloy of Pd and at least two other transition metals, at least one of which which binds to hydrogen and/or carbon monoxide at least as strongly as Pd does. Suitable transition metals which bind more strongly are Co, W, Ti, V, Cr, Fe, Mo, Nb, Hf, Ta, Zr and Re. PdCoW is the most preferred alloy. The catalyst is used on the anode of a hydrogen oxidising fuel cell, such as a PEMFC to catalyse the hydrogen oxidation reaction.Type: GrantFiled: January 26, 2018Date of Patent: October 25, 2022Assignee: Ilika Technologies, Ltd.Inventors: Brian Elliott Hayden, Jonathan Conrad Davies, Laura Jane Offin
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Patent number: 11462758Abstract: A fuel cell system includes: a first fuel cell; a second fuel cell having a greater maximum power output than a maximum power output of the first fuel cell; and a controller configured to cause the first fuel cell to generate greater electric power greater than the second fuel cell when the requested power is smaller than a first threshold, cause the second fuel cell to generate greater electric power than the first fuel cell when the requested power is a second threshold, which is the first threshold or greater, or greater and is smaller than a third threshold that is greater than the second threshold and is greater than 50% of a sum of the maximum power outputs of the first and second fuel cells, and cause both the first and second fuel cells to generate electric power when the requested power is the third threshold or greater.Type: GrantFiled: August 16, 2019Date of Patent: October 4, 2022Assignee: Toyota Jidosha Kabushiki KaishaInventor: Masayuki Ito
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Patent number: 11462803Abstract: A composite separator includes: a porous substrate; and a composite electrolyte on a surface of the porous substrate, the composite electrolyte including block copolymer, an ionic liquid, and a particle, wherein a size of the particle is larger than a pore size of the porous substrate, the particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and the particle has a particle size of greater than about 1 micrometer to about 100 micrometers.Type: GrantFiled: November 28, 2018Date of Patent: October 4, 2022Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Saebom Ryu, Yonggun Lee, Toshinori Sugimoto, Dongmin Im, Wonseok Chang
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Patent number: 11462787Abstract: Embodiments of the present application provide an electrode assembly package structure, comprising a package side and a sealing side extending along the length of the electrode assembly package structure, wherein the sealing side includes a first sealing segment that abuts the package side and a second sealing segment that is between the package side and the first sealing segment. The purpose of the present application is to provide an electrode assembly package structure capable of reducing the influence of the sealing side on the length of the package structure and improving the space utilization in the length direction.Type: GrantFiled: September 18, 2018Date of Patent: October 4, 2022Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventor: Jing Jiang
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Patent number: 11450913Abstract: A battery pack including a plurality of battery modules; a tray including an interior space where the plurality of battery modules are positioned; a plurality of beam frames traversing an upper surface of the tray to partition spaces where the plurality of battery modules are positioned; and a plurality of heatsinks having a hollow structure through which a coolant flows, wherein each heatsink is coupled to a part of a respective one of the plurality of beam frames and faces a side surface of a respective one of the plurality of battery modules, at least one drainage hole is provided at the tray and at least one drainage hole is provided at the beam frame, and the at least one drainage hole of the tray and the at least one drainage hole of the beam frame are provided below the heatsink.Type: GrantFiled: March 26, 2018Date of Patent: September 20, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung-Won Seo, Jeong-O Mun, Yoon-Koo Lee, Ho-June Chi, Dal-Mo Kang
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Patent number: 11444359Abstract: A composite battery cell includes a plurality of electricity supply elements connected to each other in series/parallel to form the electricity supply element groups. The electricity supply element groups are connected to each other in parallel/series and packed to form the battery cell with high capacity and high voltage. Each electricity supply element is an independent module and the electrolyte system does not circulate therebetween. There only have charges transferred rather than electrochemical reactions between the adjacent electricity supply elements. Therefore, the electrolyte decomposition would not occur result from the high voltage caused by connecting in series. Both series and parallel connection are made within the package of the battery cell to achieve high capacity and high voltage.Type: GrantFiled: September 19, 2018Date of Patent: September 13, 2022Assignees: PROLOGIUM TECHNOLOGY CO., LTD., PROLOGIUM HOLDING INC.Inventor: Szu-Nan Yang
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Patent number: 11404715Abstract: An assembled battery disclosed here includes a plurality of single cell array units each including single cells that are arranged in a lamination direction of a positive electrode and a negative electrode of an electrode body as an arrangement direction. The single cell array units are disposed parallel to each other such that arrangement directions of the single cells constituting the units are parallel to each other. Then, in the assembled battery, none of the single cells included in each of the single cell array units is directly electrically connected to adjacent single cells in the same unit, but is directly electrically connected to any one of the single cells constituting another single cell array unit through a bus bar.Type: GrantFiled: October 23, 2017Date of Patent: August 2, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaru Ishii, Masato Kamiya, Takayuki Hojo, Tetsuya Kaneko
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Patent number: 11362363Abstract: The present application discloses a battery to reduce a height of an edgefold protrusion in a direction perpendicular to a top seal, reduce structural interference between the edgefold protrusion and other components and parts, and improve a structural compactness when a user utilizes the battery. The battery includes a cell, a packaging bag, and an electrode tab. The packaging bag includes a first packaging portion configured to accommodate the cell and a second packaging portion configured to seal the cell. The second packaging portion includes a top seal configured to seal the electrode tab and two side seals intersecting the top seal. A notched structure is formed at an intersection of the top seal and the side seal. The side seal is folded over along an edge of the side seal adjacent to the first packaging portion and fixed to an outer side surface of the first packaging portion.Type: GrantFiled: November 20, 2018Date of Patent: June 14, 2022Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Shenzhao Qiu, Cheng Yuan
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Patent number: 11355745Abstract: Provided are a nickel-based active material precursor for a lithium secondary battery including: a first porous core; a second core located on the first porous core and having a higher density than that of the first porous core, a shell located on the second core; and having a radial arrangement structure, wherein an amount of nickel included in the first porous core is greater than or equal to an amount of nickel included in the second core, and the amount of nickel included in the second core is greater than an amount of nickel included in the shell, a method of producing the nickel-based active precursor, a nickel-based active material for a lithium secondary battery, obtained from the nickel-based active precursor, and a lithium secondary battery including a cathode containing the nickel-based active material.Type: GrantFiled: December 4, 2017Date of Patent: June 7, 2022Assignee: Samsung SDI Co., Ltd.Inventors: Pilsang Yun, Hyunbeom Kim, Hyundeok Lee, Minah Cha, Wooyoung Yang, Jangsuk Hyun
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Patent number: 11322752Abstract: Various embodiments are directed to an electrochemical cell having a non-homogeneous anode. The electrochemical cell includes a container, a cathode forming a hollow cylinder within the container, an anode positioned within the hollow cylinder of the cathode, and a separator between the cathode and the anode. The anode defines a characteristic gradient between an interior portion of the anode and the outermost surface of the anode adjacent the separator. The characteristic gradient may be defined as, for example, an average active material particle size within the anode that changes as a function of the radial location within the anode or a surfactant concentration gradient that changes as a function of the radial location within the anode.Type: GrantFiled: February 14, 2018Date of Patent: May 3, 2022Assignee: Energizer Brands, LLCInventor: Weiwei Huang
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Patent number: 11316168Abstract: A flexible secondary battery includes: a first electrode including a first electrode current collector extended longitudinally, a first electrode active material layer formed on the outside of the first electrode current collector, and a first insulation coating layer formed on the outside of the first electrode active material layer; and a second electrode including a second electrode current collector extended longitudinally, a second electrode active material layer formed on the outside of the second electrode current collector, and a second insulation coating layer formed on the outside of the second electrode active material layer, wherein the first electrode and the second electrode are wound in such a manner that they are disposed alternately in contact with each other.Type: GrantFiled: December 11, 2017Date of Patent: April 26, 2022Inventors: Jae-Hyun Lee, In-Sung Uhm, Sung-Joong Kang, Dong-Chan Lee
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Patent number: 11302913Abstract: The present disclosure relates to a negative electrode material including, as an active material, silicon flakes with a hyperporous structure, represented by the following chemical formula 1: xSi.(1?x)A??(1) where 0.5?x?1.0, and A is an impurity, and includes at least one compound selected from the group consisting of Al2O3, MgO, SiO2, GeO2, Fe2O3, CaO, TiO2, Na2O K2O, CuO, ZnO, NiO, Zr2O3, Cr2O3 and BaO, and a preparing method of the silicon flakes.Type: GrantFiled: August 18, 2017Date of Patent: April 12, 2022Assignees: LG CHEM, LTD., UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)Inventors: Eui-Yong Hwang, Soo-Jin Park, Jae-Geon Ryu, Jang-Bae Kim, Jong-Hyun Chae, Dong-Ki Hong
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Patent number: 11276901Abstract: The present disclosure relates to a separator for a lithium ion secondary battery and a battery comprising the separator. The separator supplements the irreversible capacity of a negative electrode. The separator comprises composite particles (A), and the composite particles (A) include a core portion comprising lithium composite metal oxide particles and a shell portion comprising a carbonaceous material with which the core surface is coated at least partially; the composite particles (A) cause lithium deintercalation at 0.1 V to 2.5 V (vs. Li+/Li); the battery has a positive electrode potential of 3 V or more (vs. Li+/Li); and the battery has a driving voltage of 2.5 V to 4.5 V.Type: GrantFiled: September 29, 2017Date of Patent: March 15, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Ji-Won Min, Seok-Koo Kim, Hoe-Jin Hah, Janis Doelle
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Patent number: 11251491Abstract: A method to prevent or minimize an occurrence of a thermal runaway event in a battery module of an electric vehicle. The method places a gas barrier between a venting space and a wall of each battery cell so that escaped gas from one battery cell does not impinge onto another battery cell.Type: GrantFiled: July 6, 2020Date of Patent: February 15, 2022Inventor: Robert Clinton Lane