Patents Examined by Lucas J O Donnell
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Patent number: 12288907Abstract: Disclosed is a method for the temperature control of an electrochemical system comprising a stack of electrochemical cells and interconnection plates interposed between the electrochemical cells, means for supplying gas to the electrochemical cells and means for collecting gases produced by the electrochemical cells, and means for electrically connecting the system to the outside, wherein the electrochemical device also comprises heating means integrated into the stack, said heating means comprising at least a first and a second heating element, the first heating element being disposed in a first location in the stack and the second heating element being arranged in a second location in the stack, said method comprising steps of: applying a first control command to the first heating element and a second control command to the second heating element, said control commands being configured such that a thermal gradient in the stack in the direction of the stack is maintained substantially at a defined value.Type: GrantFiled: October 23, 2019Date of Patent: April 29, 2025Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Charlotte Bernard, Jérôme Aicart, Julie Mougin, Géraldine Palcoux
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Patent number: 12266766Abstract: A nonaqueous electrolyte secondary battery includes an electrode body and a nonaqueous electrolyte solution. An electrolyte solution passage is a flow passage through which the nonaqueous electrolyte solution flows between the inside and the outside of the electrode body. A region of a negative-electrode composite material layer in contact with the electrolyte solution passage is a damming portion and a region located on the center side relative to the damming portion is a liquid retaining portion. The damming portion contains a negative electrode active material of which an electrical potential relative to a positive electrode active material is high and a ratio of expansion or contraction due to an increase or decrease in SOC is high, when compared to a negative electrode active material contained in the liquid retaining portion. The electrolyte solution passage can be closed by the damming portion in a charge state where the damming portion expands.Type: GrantFiled: March 25, 2024Date of Patent: April 1, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masahiro Yoshioka, Yoshitomo Takebayashi
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Patent number: 12261306Abstract: Systems and methods which provide battery configurations for delivering high power while maintaining high energy density are described. Embodiments provide cylindrical batteries configured to deliver high energy density while having high power density at least in part through an electrode configuration disposing electrode material for the cathode and/or anode over an extended length of a longitudinal edge of the respective cathode or anode. An electrode configuration may provide for a continuous length of electrode material disposed along a longitudinal edge of at least one of the cathode or anode. Additionally or alternatively, an electrode configuration may provide for a plurality of electrode tabs of electrode material spaced out along a longitudinal edge of at least one of the anode or cathode.Type: GrantFiled: January 10, 2020Date of Patent: March 25, 2025Assignee: Techtronic Cordless GPInventors: Denis Gaston Fauteux, Aditya Subramanian
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Patent number: 12255294Abstract: The present application relates to a voltage drop circuit assembly of a lithium battery and a 1.5V lithium battery. The voltage drop circuit assembly includes a PCB, an outer conductive cap and an inner conductive cap, a front surface of the PCB is provided with a positive copper ring and a negative copper ring, the positive copper ring is electrically connected with the outer conductive cap, the outer conductive cap is used as a low-voltage output positive electrode, the negative copper ring is used as a common negative electrode, a back surface of the PCB is provided with a high-voltage input copper ring, the high-voltage input copper ring is electrically connected with the inner conductive cap, and the inner conductive cap is used as a high-voltage input positive electrode.Type: GrantFiled: July 25, 2024Date of Patent: March 18, 2025Assignee: Hamedata Technology Co., LimitedInventors: Changjun Yang, Pengfei Xiao, Jian Zhao, Wei Zhou, Qiang Hou
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Patent number: 12244016Abstract: Provided are an electrode binder composition that provides an electrode that exhibits high durability even when an active material that shows a large volume change is used, an electrode coating liquid composition containing the electrode binder composition, a power storage device electrode including an electrode mixture layer containing a solid of the electrode coating liquid composition, and a power storage device including the power storage device electrode. An electrode binder composition includes (A) a polyurethane, (B) a fibrous nanocarbon material having an average fiber length of 0.5 ?m or more, and (C) water. The polyurethane is obtained by reacting together (a) a polyisocyanate, (b) a polyol, (c) a compound having one or more active hydrogen groups and a hydrophilic group, and (d) a chain extender. (b) contains an olefinic polyol having 1.5 or more active hydrogen groups and/or a carbonate diol having less than 6 carbon atoms between carbonate bond chains.Type: GrantFiled: March 5, 2020Date of Patent: March 4, 2025Assignee: DKS CO. LTD.Inventors: Ayano Sofue, Toshiya Watanabe, Yasuteru Saito
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Patent number: 12243977Abstract: The present invention generally relates to electrolytes for use in various electrochemical devices. In some cases, the electrolytes are relatively safe to use; for example, the electrolytes may be resistant to overheating, catching on fire, burning, exploding, etc. In some embodiments, such electrolytes may be useful for certain types of high-voltage cathode materials. In some cases, the electrolytes may include ion dissociation compounds that can dissociate tight ion pairs. Non-limiting examples of ion dissociation compounds include trialkyl phosphates, sulfones, or the like. Other aspects of the invention are generally directed to devices including such electrolytes, methods of making or using such electrolytes, kits including such electrolytes, or the like.Type: GrantFiled: April 22, 2024Date of Patent: March 4, 2025Assignee: Factorial Inc.Inventors: Jia Du, Peishen Huang, Karlie Mellott, Dong Ren
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Patent number: 12243997Abstract: The invention relates to electrochemical current sources, more particularly to metal-air current sources, and even more particularly to lithium-air current sources and their electrodes. A cathode comprises a base made of a porous electrically conducting material that is permeable to molecular oxygen, the working surface of which has a copolymer applied thereto, which is produced by the copolymerization of a monomeric transition metal coordination complex having a Schiff base and a thiophene group monomer. The monomeric transition metal coordination complex having a Schiff base can be, for example, a compound of the [M(R,R-Salen)], [M(R,R-Saltmen)] or [M(R,R-Salphen)] type, and the thiophene group monomer can be a compound selected from a thiophene group consisting of 3-alkylthiophenes, 3,4-dialkylthiophenes, 3,4-ethylenedioxythiophene or combinations thereof.Type: GrantFiled: October 24, 2022Date of Patent: March 4, 2025Assignee: POWERMERS SMART INDUSTRIES INC.Inventors: Mikhail Pavlovich Karushev, Irina Anatolievna Chepumaya, Evgenia Alexandrovna Smimova, Alexandr Mikhailovich Timonov, Yulia Alexandrovna Polozhentseva, Darya Olegovna Savenko, Semyon Kogan
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Patent number: 12224439Abstract: Electrodes, electrolytes and/or separators for energy storage devices comprising functional boron-containing chemicals 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, and an electrolyte composition. Functional boron-containing chemicals may serve as additives to one or more of the electrodes, electrolyte and/or separator.Type: GrantFiled: October 22, 2021Date of Patent: February 11, 2025Assignee: Enevate CorporationInventors: Liwen Ji, Benjamin Park, Hong Zhao
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Patent number: 12218390Abstract: The present invention relates to a method for heating a fuel cell system (1a; 1b; 1c; 1d) comprising at least one fuel cell stack (2) with an anode portion (3) and a cathode portion (4), and a reformer (5) upstream of the anode portion (3) for steam reforming using a fuel, the reformer (5) comprising a nickel-based catalyst, said method having the following steps: starting a heating process for heating the fuel cell system (1a; 1b; 1c; 1d) with a heating device (6) and conducting a carbon-containing fluid and conducting steam through the nickel-based catalyst of the reformer (5) during the heating process. The invention also relates to a fuel cell system (1a; 1b; 1c; 1d) which is designed to carry out a method according to the invention.Type: GrantFiled: November 19, 2019Date of Patent: February 4, 2025Assignee: AVL List GmbHInventors: Nikolaus Soukup, Martin Hauth, Michael Seidl, Stefan Weissensteiner
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Patent number: 12218310Abstract: The invention, relates to flexible, thin trim batteries for use in a variety of applications including, but not limited to, flexible electronics, flexible energy storage systems, wearable textile-like energy devices and various other integrated electronic and mobile device-based applications. The flexible, thin, film batteries allow the design and development of weavable, conformable, wearable and flexible components for advanced battery technology. The invention relates to flexible energy storage system that include an electrospun, textile-like, weaved assembly including a flexible cathode, a flexible anode, and an electrolyte. The electrolyte can include a flexible gel-polymer and a nanostractured filler.Type: GrantFiled: September 17, 2018Date of Patent: February 4, 2025Assignee: UNIVERSITY OF PITTSBURGH—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATIONInventors: Prashant N. Kumta, Moni K. Datta, Prashanth Jampani Hanumantha, Bharat Gattu, Pavithra Murugavel Shanthi
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Patent number: 12215060Abstract: Disclosed herein is a ceramic particle comprising a core substrate chosen from yttria-stabilized zirconia, partially stabilized zirconia, zirconium oxide, aluminum nitride, silicon nitride, silicon carbide, and cerium oxide, and a conformal coating of a sintering aid film having a thickness of less than three nanometers and covering the core substrate, and methods for producing the ceramic particle.Type: GrantFiled: March 28, 2023Date of Patent: February 4, 2025Assignee: The Regents of the University of Colorado, a body corporateInventors: Christopher Bartel, Alan W. Weimer, Rebecca Jean O'Toole, Maila Kodas
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Patent number: 12206140Abstract: The present invention relates to a fuel cell system (1a; 1b; 1c; 1d) comprising: at least one fuel cell stack (2) with an anode portion (3) and a cathode portion (4); a reformer-heat exchanger (5) with a cold side which is upstream of the anode portion (3) and forms a reformer (6) and a hot side which is downstream of the cathode portion (4) and forms a heat exchanger (7); and an afterburner (8) downstream of the heat exchanger (7) for combusting anode exhaust gas from the anode portion (3) and/or cathode exhaust gas from the cathode portion (4), the heat exchanger (7) being situated directly downstream of the cathode portion (4) and being in fluid communication with the cathode portion (4) by means of a cathode exhaust gas line (9) in order for the cathode exhaust gas to be fully conducted through the heat exchanger (7). The invention also relates to a method for controlling the temperature of a fuel cell system (1a; 1b; 1ce; 1d) according to the invention.Type: GrantFiled: November 21, 2019Date of Patent: January 21, 2025Assignee: AVL List GmbHInventors: Raphael Neubauer, Thomas Strasser-Krauss, Michael Seidl
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Patent number: 12199321Abstract: Electric power is produced in a fuel cell array based on chemical fuel provided from a fuel source. The electric power is held available via an output terminal. A sensor cell registers a sensor signal reflecting a degree of consumption of chemical fuel in the fuel cell array relative to an amount of chemical fuel received in the fuel cell array. The production of electric power in the fuel cell array is monitored by measuring at least one voltage in the fuel cell array. A fraction of the electric power produced by the fuel cell array is controlled to be fed into a dynamic electric load connected to the output terminal. The fraction fed into the dynamic electric load is controlled in response to the sensor signal such that a difference is minimized between the amount of chemical fuel received in the fuel cell array and an amount of chemical fuel consumed in the fuel cell array when producing the electric power.Type: GrantFiled: October 23, 2018Date of Patent: January 14, 2025Assignee: FUEL CELL TECHNOLOGY SWEDEN ABInventors: Stefan Burström, Michael Glantz
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Patent number: 12199312Abstract: A method for manufacturing a battery, includes: preparing a case having an opening at one end portion of the case and a bottom portion at another end portion of the case; preparing an electrode group including a first electrode, a second electrode, and a current collecting lead electrically connected to the first electrode; housing the electrode group in the case; and joining the current collecting lead to an inner surface of the case. The joining of the current collecting lead includes: pressing a pressing device having a tubular shape against the current collecting lead to cause the current collecting lead to contact the inner surface of the case; and welding the current collecting lead to the case while an inside of a tube of the pressing device is sucked by a suction device.Type: GrantFiled: March 17, 2020Date of Patent: January 14, 2025Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Kazumichi Shimizu
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Patent number: 12191503Abstract: An electrode material of a fibrous structure has a platinum-based electrocatalytic material, an electrospinning polymer material, and an oxide material and/or one or more organophosphorus acid material with ion conduction. In the micromorphology has the structure of nanofibers, but also has porous morphological characteristics, the electrode material of this structure is prepared by electrostatic spinning technology, can be used as a high-temperature polymer electrolyte membrane fuel cell porous electrode.Type: GrantFiled: December 16, 2019Date of Patent: January 7, 2025Assignee: Dalian Institute of Chemical Physics, Chinese Academy of SciencesInventors: Suli Wang, Zhangxun Xia, Gongquan Sun
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Patent number: 12191504Abstract: The performance of a bipolar type metal air battery is improved while a low environmental load is maintained. The bipolar type metal air battery includes a plurality of cells including air electrodes composed of a co-continuous component having a 3D network structure in which a plurality of nanostructures are integrated by non-covalent bonds, negative electrodes, and an electrolyte disposed between the air electrode and the negative electrode, and a current collector disposed between the plurality of cells, and the plurality of cells are electrically connected in series, and the current collector is in close contact with the negative electrode using a biodegradable material.Type: GrantFiled: December 11, 2019Date of Patent: January 7, 2025Assignee: Nippon Telegraph and Telephone CorporationInventors: Mikayo Iwata, Masaya Nohara, Hironobu Minowa, Shuhei Sakamoto, Takeshi Komatsu
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Patent number: 12183870Abstract: The invention relates to a method for producing a cathode apparatus (16) for a battery (8), especially of a motor vehicle (2), whereby a cathode strip (20) is provided, whereby a cathode (16a) is cut out of the cathode strip (20), whereby the cathode (16a) is placed between two strip-shaped separator foils (16d), and whereby, in a joint step, the two separator foils (16d) are cut to size in an area that protrudes beyond the cathode (16a), thereby forming appropriate separator foil cutouts (16f), and these two separator foil cutouts (16f) are also joined to each other in this area, especially fused together.Type: GrantFiled: October 21, 2019Date of Patent: December 31, 2024Assignee: VOLKSWAGEN AKTIENGESELLSCHAFTInventors: Alexander Tornow, Sven Rathmann, Kai Stuehm-Van Doren
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Patent number: 12166199Abstract: A negative active material for a rechargeable lithium battery includes at least one particle selected from a composite crystalline carbon particle (A) including a crystalline carbon core and an amorphous carbon coating layer surrounding the crystalline carbon core; a composite crystalline carbon-silicon particle (B) including a mixed core of a crystalline carbon and silicon and an amorphous carbon coating layer surrounding the mixed core; and a composite silicon particle (C) including a silicon core and an amorphous carbon coating layer surrounding the silicon core, wherein the at least one particle has convexity in a range of about 0.85 to about 0.97 and circularity in a range of about 0.74 to about 0.90.Type: GrantFiled: February 8, 2021Date of Patent: December 10, 2024Assignee: Samsung SDI Co., Ltd.Inventor: Hee Seon Choi
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Patent number: 12151353Abstract: The invention relates to a power tool and battery pack assembly including a battery pack for connection with the power tool to provide power for the operation of the power tool when connected thereto. The battery pack includes a plurality of power cells and connection means are provided to allow the selective supply of power at least a first or second voltage level to the power tool from the battery pack.Type: GrantFiled: February 22, 2023Date of Patent: November 26, 2024Assignee: KOKI HOLDINGS CO., LTD.Inventor: Rients Bakker
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Patent number: 12142773Abstract: A gasket of a cylindrical battery according to an embodiment of the present disclosure comprises a cylindrical part, and a ring part which extends from one end part of the cylindrical part in the axial direction toward an inner side thereof in the radial direction. A surface of the ring part which is opposite the cylindrical part side in the axial direction has, an approximately flat surface, A protrusion is provided on the side of the ring part which is toward the cylindrical part in the axial direction. Said protrusion: is positioned with gaps in the radial direction in relation to both the cylindrical part and an inner end of the ring part in the radial direction; and protrudes in the axial direction.Type: GrantFiled: December 11, 2019Date of Patent: November 12, 2024Assignee: PANASONIC ENERGY CO., LTD.Inventors: Ryota Okimoto, Oose Okutani, Shin Haraguchi