Patents Examined by Scott J Chmielecki
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Patent number: 11909021Abstract: A high-voltage battery for a motor vehicle has a coolant connection of multipartite design. Also described is a corresponding method for producing the high-voltage battery, and a motor vehicle having a battery of this type.Type: GrantFiled: August 19, 2021Date of Patent: February 20, 2024Assignee: Dr. Ing. h.c. F. Porsche AktiengesellschaftInventors: Sonja Fechler, Fadi Renz
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Patent number: 11894560Abstract: A lead-acid battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution. The positive electrode plate includes a positive current collector and a positive electrode material. The negative electrode plate includes a negative current collector and a negative electrode material. The positive current collector contains a lead alloy containing Ca and Sn. The content of Ca in the positive current collector is 0.2% by mass or less, and the content of Sn is 0.5% by mass or more. The negative electrode material contains a first organic expander (excluding a lignin compound) containing at least one selected from the group consisting of a unit of a monocyclic aromatic compound and a unit of a bisphenol S compound.Type: GrantFiled: September 24, 2020Date of Patent: February 6, 2024Assignee: GS Yuasa International Ltd.Inventors: Yasunori Mizoguchi, Akihito Tsujinaka
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Patent number: 11894590Abstract: Described herein is a novel electrode-decoupled redox flow battery, a novel reinforced electrode-decoupled redox flow battery, and methods of using same to store energy. Advantages of these novel electrode-decoupled redox flow batteries include long life, excellent rate capability, and stability.Type: GrantFiled: July 7, 2021Date of Patent: February 6, 2024Assignee: Washington UniversityInventors: Shrihari Sankarasubramanian, Vijay Ramani
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Patent number: 11888121Abstract: According to one embodiment, a secondary battery includes a positive electrode, a negative electrode, a separator layer, and a nonaqueous electrolytic solution. The separator layer includes a first porous layer containing a solid electrolyte and a second porous layer containing fibers. The second porous layer is in contact with a first surface of the first porous layer. The nonaqueous electrolytic solution includes a first solvent including at least one of methyl propionate and ethyl propionate, and a second solvent different from the first solvent. The first porous layer has a void fraction of 10% by volume or greater and 50% by volume or less. The second porous layer has a void fraction greater than the void fraction of the first porous layer.Type: GrantFiled: August 31, 2021Date of Patent: January 30, 2024Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Tetsuya Sasakawa, Tomoe Kusama, Tomoko Sugizaki, Kazuomi Yoshima, Norio Takami
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Patent number: 11888138Abstract: The invention relates to a modular assembly for the circulation of a heat transfer fluid of a motor vehicle battery housed in a casing (1) with a floor having channels receiving said fluid, characterised in that the casing (1) comprises: —a module (3) for inlet and outlet of said fluid via a base module (4), the latter comprising channels facing and sealingly abutting the ends of the channels of said floor, said base modules (4) being attached on the floor, —a plurality of base modules (4) distributed along each of the two faces of the floor and facing with a sealing abutment on the ends of the channels of the floor, and —a plurality of bridges (5) fluidically connecting two adjacent base modules (4) and two base modules (4) situated on the opposite side of the casing (1) so as to form a serpentine-shaped circuit.Type: GrantFiled: June 17, 2019Date of Patent: January 30, 2024Assignee: SOGEFI AIR & COOLINGInventors: Alexandre Floranc, Eric Colin
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Patent number: 11888154Abstract: A positive electrode sheet may comprise a positive electrode current collector and a positive electrode film layer having a single-layer structure or a multi-layer structure provided on at least one surface thereof; when the positive electrode film layer is of a single-layer structure, at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; and/or, when the positive electrode film layer is of a multi-layer structure, at least one layer of the at least one positive electrode film layer may comprise both a first positive electrode active material and a second positive electrode active material; the first positive electrode active material may comprises an inner core containing Li1+xMn1-yAyP1-zRzO4, a first coating layer containing pyrophosphate MP2O7 and phosphate XPO4 and covering the inner core, and a second coating layer containing carbon element and covering the first coating layer.Type: GrantFiled: June 20, 2023Date of Patent: January 30, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Xiang Zhou, Jiang Liu, Baiqing Li, Yao Jiang, Xiaomei Liu
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Patent number: 11881605Abstract: Provided is an aqueous redox flow battery comprising a positive electrode, a negative electrode, a posolyte chamber containing a posolyte, a negolyte chamber containing a polyoxometalate as a negolyte, and a separator disposed between the posolyte chamber and the negolyte chamber, wherein the polyoxometalate has a conductivity of 65 mS cm?1 or more at ?20° C., and the aqueous redox flow battery has a power density of 250 mW cm?2 or more at ?20° C.Type: GrantFiled: February 25, 2022Date of Patent: January 23, 2024Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Fei Ai
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Patent number: 11876180Abstract: Electrolytes and electrolyte additives for energy storage devices comprising metal sulfide compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte, and at least one electrolyte additive selected from a metal sulfide compound.Type: GrantFiled: November 6, 2020Date of Patent: January 16, 2024Assignee: Enevate CorporationInventors: Benjamin Yong Park, Liwen Ji
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Patent number: 11876197Abstract: In a power battery heating method for a vehicle, when a current temperature value of a power battery is lower than a preset temperature value, and a heating condition of the power battery meets a preset condition, a three-phase inverter is controlled to cause a three-phase alternating current motor to generate heat according to heating energy, to heat a coolant flowing through the power battery, a preset quadrature-axis current that causes a torque value outputted by the motor to be an appropriate value is obtained, and a corresponding preset direct-axis current is obtained according to heating power of the power battery, so as to control, according to the preset direct-axis current and the preset quadrature-axis current, the three-phase inverter to adjust a phase current of the three-phase alternating current motor in the heating process, where a direction of the preset direct-axis current changes periodically in the heating process.Type: GrantFiled: December 20, 2019Date of Patent: January 16, 2024Assignee: BYD COMPANY LIMITEDInventors: Heping Ling, Hua Pan, Yuxin Zhang, Guo Tian, Zhao Xie
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Patent number: 11870055Abstract: The present application describes the use of a solid electrolyte interphase (SEI) fluorinating precursor and/or an SEI fluorinating compound to coat an electrode material and create an artificial SEI layer. These modifications may increase surface passivation of the electrodes, SEI robustness, and structural stability of the silicon-containing electrodes.Type: GrantFiled: January 28, 2021Date of Patent: January 9, 2024Assignee: Enevate CorporationInventors: Liwen Ji, Benjamin Yong Park, Robert A. Rango, Dong Sun, Frederic C. Bonhomme
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Patent number: 11862801Abstract: Batteries according to embodiments of the present technology may include a battery cell having a first current collector including a polymer and a metal at least partially disposed about surfaces of the polymer. An edge region of the first current collector may be maintained free of the metal on a first surface of the first current collector. The battery cell may include a second current collector. The battery cell may also include a separator disposed between the first current collector and the second current collector. The separator may include a polymer, and the separator and the first current collector may be laminated proximate the edge region of the first current collector along the first surface of the first current collector.Type: GrantFiled: August 22, 2018Date of Patent: January 2, 2024Assignee: Apple Inc.Inventor: Qingcheng Zeng
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Patent number: 11862823Abstract: The present invention relates to a fuel cell system (100) comprising at least one fuel cell stack (1) having at least one cathode section (K) and at least one anode section (A), an air supply section (2) for supplying air (2) to the anode section (A) of the fuel cell stack (1), an exhaust air section (4) for discharging exhaust air (5) from the anode section (A) of the fuel cell stack (1), as well as a supply section (7) for supplying at least one main medium (6) to the cathode section (K) of the fuel cell stack (1), an exhaust gas discharge section (9) for discharging exhaust gas (8) from the cathode section (K) of the fuel cell stack (1), as well as a pump (12) for delivering the at least one main medium (6), the exhaust gas discharge section (9) being fluidically connected via a recirculation section (14) to the supply section (7) downstream of the pump (12) in order to recirculate exhaust gas (8), the recirculation section (14) being connected via a jet pump (16) to the supply section (7) in order to intrType: GrantFiled: November 27, 2019Date of Patent: January 2, 2024Assignee: AVL List GmbHInventors: David Reichholf, Rene Buchgraber, Richard Schauperl
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Patent number: 11840651Abstract: A pressure sensitive adhesive sheet for batteries that includes a base material, a vapor-deposition insulating film provided on one surface side of the base material, and a pressure sensitive adhesive layer provided on a surface side of the vapor-deposition insulating film opposite to the base material.Type: GrantFiled: September 18, 2019Date of Patent: December 12, 2023Assignee: LINTEC CORPORATIONInventors: Takeshi Ansai, Yuichi Kurata
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Patent number: 11837704Abstract: An electrochemical device according to various aspects of the present disclosure includes an electrochemical cell and an inductor coil. The electrochemical cell includes a current collector. The current collector includes an electrically-conductive material. The inductor coil is configured to generate a magnetic field. The magnetic field is configured to induce an eddy current in the current collector to generate heat in the current collector. In various aspects, the present disclosure also provides a method of internally heating an electrochemical cell. In various aspects, the present disclosure also provides a method of controlling heating of an electrochemical cell.Type: GrantFiled: December 23, 2021Date of Patent: December 5, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jingyuan Liu, Dewen Kong, Dave G. Rich, Haijing Liu, Lyall K. Winger, Mark W. Verbrugge
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Patent number: 11837767Abstract: Stable and high performance positive and negative electrolytes compositions to be used in redox flow battery systems are described. The redox flow battery system, comprises: at least one rechargeable cell comprising a positive electrolyte, a negative electrolyte, and an ionically conductive membrane positioned between the positive electrolyte and the negative electrolyte, the positive electrolyte in contact with a positive electrode, and the negative electrolyte in contact with a negative electrode. The positive electrolyte consists essentially of water, a first amino acid, an inorganic acid, an iron precursor, a supporting electrolyte, and optionally a boric acid. The negative electrolyte consists essentially of water, the iron precursor, the supporting electrolyte, and a negative electrolyte additive. The iron precursor is FeCl2, FeCl3, FeSO4, Fe2(SO4)3, FeO, Fe, Fe2O3, or combinations thereof. The supporting electrolyte is LiCl, NaCl, Na2SO4, KCl, NH4Cl, or combinations thereof.Type: GrantFiled: July 29, 2021Date of Patent: December 5, 2023Assignee: UOP LLCInventors: Chunqing Liu, Xueliang Dong, Chaoyi Ba, Stuart R. Miller, James H. K. Yang
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Patent number: 11830977Abstract: A hybrid solid-state electrolyte is disclosed. The hybrid solid-state electrolyte includes an inorganic ion-conducting membrane. The hybrid solid-state electrolyte further includes a first layer of an organic liquid solution surrounding a surface of the inorganic ion-conducting membrane. The hybrid solid-state electrolyte further includes a second layer of an ion-conducting polymer surrounding the first layer of the organic liquid solution.Type: GrantFiled: February 25, 2021Date of Patent: November 28, 2023Assignee: International Business Machines CorporationInventors: Amaresh Samuthira Pandian, Phillip Medina, Young-Hye Na
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Patent number: 11831008Abstract: A non-aqueous electrolyte secondary battery includes at least a negative electrode including a negative electrode mixture, a positive electrode, and an electrolytic solution including an electrolyte and a solvent. The negative electrode mixture includes a negative electrode active material powder, the negative electrode active material powder includes a carbon-based material and a silicon-based material, a mixing ratio of the carbon-based material to the silicon-based material (carbon-based material (mass %)/silicon-based material (mass %)) is 90 mass %/10 mass % to 0 mass %/100 mass %.Type: GrantFiled: November 19, 2019Date of Patent: November 28, 2023Assignee: Murata Manufacturing Co., Ltd.Inventor: Toshikazu Nakamura
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Patent number: 11819877Abstract: A process for depositing a metal-adhesive, hydrophobic and electrically conductive coating based on electrically conductive microparticles and on a polymer matrix P comprising at least one thermoplastic fluoropolymer P1 and a thermosetting resin P2, comprises: in a first container, dissolve the polymer P1 in an organic solvent; in a second container, disperse the electrically conductive microparticles in an organic solvent; add, in the first container, the thermosetting resin P2 in the liquid state; mix the contents of the containers, then deposit the mixture on the substrate; crosslink the resin P2 and remove the solvents, to obtain a first coating; then impregnate the surface of the substrate with an additional resin solution P2 dissolved in a third solvent, which is a solvent of the resin P2 and a non-solvent of the polymer P1; eliminate the third solvent and crosslink while compressing the additional resin P2 in order to obtain the targeted final coating.Type: GrantFiled: July 19, 2017Date of Patent: November 21, 2023Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Milan Fedurco, Antonio Delfino, David Olsommer
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Patent number: 11817568Abstract: A temperature-control element for controlling the temperature of an electrical accumulator, in particular for controlling the temperature of a traction battery of a vehicle, includes an extruded profile extending in an extrusion direction which has a temperature-control medium channel for passage of a temperature-control medium. A guide vane is integrally formed with the extruded profile in the temperature-control medium channel.Type: GrantFiled: July 1, 2019Date of Patent: November 14, 2023Assignee: WEBASTO SEInventor: Jochen Haussmann
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Patent number: 11804602Abstract: To provide a negative electrode for a lithium ion secondary battery having more improved durability than conventionally, and a lithium ion secondary battery including the same. A negative electrode for a lithium ion secondary battery including a negative electrode active material in which an organic molecule having a dielectric constant larger than that of an electrolyte solvent is chemically bonded, and a lithium ion secondary battery including the same. Preferable examples of the organic molecule include a molecule having a relative dielectric constant of 90 or more at a frequency of 10 kHz, a molecule having a molecular structure that undergoes polarization in a single molecule or between molecules, a zwitter ion compound having a positive electric charge and a negative electric charge in one molecule, hydroxy acid, and a molecule having a molecular weight of 39 to 616.Type: GrantFiled: March 15, 2021Date of Patent: October 31, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Ken Baba, Takeshi Fujino