Patents Examined by Wyatt P McConnell
  • Patent number: 12288878
    Abstract: An electrochemical energy storage device is described. The electrochemical energy storage device comprises: a first electrode comprising a transition metal fluoride; a second electrode; and an electrolyte comprising an ionic liquid. An electrode for the electrochemical energy storage device and a method of preparing the electrode are also described.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 29, 2025
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Mauro Pasta, Albert W. Xiao
  • Patent number: 12288844
    Abstract: A solid electrolyte material includes Li, Ca, Y, Gd, and X wherein X is at least one element selected from the group consisting of F, Cl, Br, and I. A battery uses the solid electrolyte material.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: April 29, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takashi Kubo, Kenta Nagamine, Keita Mizuno, Tetsuya Asano, Akihiro Sakai
  • Patent number: 12283711
    Abstract: A venting unit for a housing has a base body to be connected fluid-tightly to a rim of a housing opening. The base body has a gas passage opening closed by a membrane that spans areally across the gas passage opening transversely to an axial direction. An actor is operatively connected to the base body and has an emergency venting spike extending axially toward the membrane. The emergency venting spike has a tip or a cutting edge arranged, in a state of rest, at a predetermined distance from a membrane surface of the membrane and can move toward the membrane when the actor is actuated so that tip or cutting edge punctures the membrane. A cover arranged at an outer side of the base body covers the gas passage opening. A fastening mechanism connects cover and base body. The actor has an actuation element for releasing the fastening mechanism.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: April 22, 2025
    Assignee: MANN+HUMMEL GmbH
    Inventor: Robert Zbiral
  • Patent number: 12278377
    Abstract: A lithium free battery comprising a positive electrode, a negative electrode, a separator, and a non-aqueous lithium electrolyte, wherein the negative electrode includes a metal substrate including at least one metal selected from the group consisting of Mg, Ca, Al, Si, Ge, Sn, Pb, As, Sb, Bi, Ag, Zn, Cd, P and Hg; a lithium-metal alloy layer formed on the metal substrate; and a lithium plating layer formed on the lithium-metal alloy layer, and a method for preparing the same.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: April 15, 2025
    Assignee: LG ENERGY SOLUTION LTD.
    Inventors: Hyunwoong Yun, Jung Pil Lee, Hoejin Hah
  • Patent number: 12278346
    Abstract: Controller of power storage pack performs communication for authentication with controller of an electric moving body according to the pattern of a current flowing through a power line in a state where power storage pack is mounted to electric moving body. Controller of power storage pack measures contact resistance between power storage pack and the electric moving body based on voltage of the power line on power storage pack side, voltage of the power line on the electric moving body side received from controller of the electric moving body, and current when communication for authentication is performed according to the pattern of a current flowing through the power line.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: April 15, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masaaki Kuranuki, Katsuaki Hamamoto, Ryosuke Nagase
  • Patent number: 12272836
    Abstract: A battery pack includes one or more battery modules subject to generating hot vent gasses during a thermal runaway event, a housing enclosing the battery modules therein and defining perimeter vent openings, and a plurality of perimeter vent assemblies. Each vent assembly is connected adjacent a corresponding one of the vent openings, and includes a translatable member, a gas diffuser block, and at least one sacrificial post. The gas diffuser block is connected to an outer surface of the housing, covers a respective one of the vent openings, and defines a plurality of orifices. The at least one sacrificial post is configured to melt or incinerate at a predetermined temperature to cause the translatable member to translate relative to the diffuser block and thereby prevent the vent gasses from escaping the battery pack.
    Type: Grant
    Filed: June 22, 2022
    Date of Patent: April 8, 2025
    Assignee: GM Global Technology Operations LLC
    Inventor: Anil Yadav
  • Patent number: 12272889
    Abstract: A bus bar assembly includes a nonconductive terminal cap configured to at least partially surround an electrically conductive terminal. The terminal cap has a perimeter wall configured to circumscribe at least a portion of the terminal to provide a gap configured to expose the terminal. The terminal cap includes a first attachment feature. The bus bar assembly also includes a bus bar having an end configured to mechanically and electrically engage the terminal in an assembled condition and a nonconductive shroud enclosing the bus bar. The shroud includes a second attachment feature configured to removably engage the first attachment feature in the assembled condition to secure the shroud to the terminal cap. A method of electrically connecting cells of a battery is also provided.
    Type: Grant
    Filed: July 26, 2023
    Date of Patent: April 8, 2025
    Assignee: Aptiv Technologies AG
    Inventors: Nicholas A. Durse, Adam Wolfgang
  • Patent number: 12266801
    Abstract: An active material component of a composition for forming an electrode of a battery in a dry process is provided. The active material component includes a dry powder including a plurality of grains of an active material. The active material component further includes an electrically conductive filler material attached to each of the plurality of grains.
    Type: Grant
    Filed: May 5, 2022
    Date of Patent: April 1, 2025
    Assignee: GM Global Technology Operations LLC
    Inventors: Dewen Kong, Meiyuan Wu, Si Chen, Haijing Liu
  • Patent number: 12266808
    Abstract: A secondary battery includes an outer package member, a battery device, a wiring member, and a sealing member. The outer package member has flexibility and has an opening. The battery device is accommodated inside the outer package member. The wiring member extends from an inside of the outer package member to an outside of the outer package member via the opening. The wiring member is coupled to the battery device. The sealing member has an insulating property. The sealing member extends along the wiring member from the inside of the outer package member at least to the opening, and is interposed between the battery device and the wiring member. The sealing member is configured to seal the opening.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: April 1, 2025
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Takahiro Yuuki
  • Patent number: 12266811
    Abstract: A system for a high-performance prismatic lithium-ion battery cell is provided. The system includes a battery cell stack including an electrode sub-assembly including a plurality of pairs of anode electrodes and cathode electrodes and including a planar side. The battery cell stack further includes a polymeric shell disposed around the electrode sub-assembly and configured for providing mechanical protection and electrical insulation to the electrode sub-assembly. The battery cell stack further includes a metal foil sheet attached to the polymeric shell and disposed next to and in contact with the planar side of the electrode sub-assembly, wherein the metal foil sheet is configured for exchanging heat with the electrode sub-assembly.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: April 1, 2025
    Assignee: GM Global Technology Operations LLC
    Inventor: Seung-Woo Chu
  • Patent number: 12261280
    Abstract: A detection device for detecting a thermal runaway condition in a rechargeable automotive traction battery that includes a closed traction battery housing for receiving at least a plurality of rechargeable electrochemical energy cells and being equipped with a safety relief valve. The detection device includes a force-sensing resistor. The force-sensing resistor has flexible substrates separated by a spacer member and defining a force-sensitive area, and a venting duct connecting a space between the two substrates and a vent outlet. At least the force-sensitive area of the force-sensing resistor is placeable inside the traction battery housing, and the vent outlet is fluidically connectable to a detection region of an interior space of the traction battery housing which is located in the vicinity of the safety relief valve.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: March 25, 2025
    Assignee: IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A.
    Inventors: Philippe Boyer, Arthur Cretin, Patrick Di Mario Cola, Thierry Goniva, Martin Thinnes, Lukas Wurth
  • Patent number: 12261319
    Abstract: The present application relates to a battery module, including a first-type battery cell and a second-type battery cell electrically connected at least in series, the first-type battery cell and the second-type battery cell are battery cells of different chemical systems, the first-type battery cell includes N first battery cell(s), the second-type battery cell includes M second battery cell(s); the first battery cell includes a first negative electrode plate, the second battery cell includes a second negative electrode plate, a ratio of a conductivity of an electrolyte solution (25° C.) of the first battery cell to a coating mass per unit area of the first negative electrode plate is denoted as M1, and a ratio of a conductivity of an electrolyte solution (25° C.) of the second battery cell to a coating mass per unit area of the second negative electrode plate is denoted as M2, M1>M2, and 0.08?M1?11, 0.03?M2?4.62.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: March 25, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Xiaofu Xu, Yonghuang Ye, Qian Liu, Haizu Jin, Chengdu Liang
  • Patent number: 12261291
    Abstract: A positive electrode active material for a lithium ion secondary battery contains a lithium metal composite oxide. The lithium metal composite oxide includes lithium (Li), nickel (Ni), cobalt (Co), and element M (M) in a mass ratio of Li:Ni:Co:M=1+a:1?x?y:x:y (wherein ?0.05?a?0.50, 0?x?0.35, 0?y?0.35, and the element M is at least one element selected from Mg, Ca, Al, Si, Fe, Cr, Mn, V, Mo, W, Nb, Ti, Zr, and Ta), wherein when a line analysis is performed with STEM-EELS from a surface of a particle of the lithium metal composite oxide to a center of the particle in a cross-section of the particle during charging at 4.3 V (vs. Li+/Li), a thickness of an oxygen release layer, in which an intensity ratio of a peak near 530 eV (1st) to a peak near 545 eV (2nd) at an O-K edge is 0.9 or less, is 200 nm or less.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: March 25, 2025
    Assignees: SUMITOMO METAL MINING CO., LTD., Panasonic Energy Co., Ltd.
    Inventors: Takahiro Toma, Takahiro Ogawa, Yoshiyuki Matsuura, Kazuomi Ryoshi
  • Patent number: 12261284
    Abstract: A protective structure for use with metallic lithium (or other alkali or alkali earth metals) and its method of manufacture are provided. The protective structure may include a substantially continuous and substantially nonporous buffer layer disposed on the metallic lithium layer which is conductive to lithium ions. A substantially continuous and substantially nonporous protective layer may be disposed on the buffer layer.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: March 25, 2025
    Assignee: Sion Power Corporation
    Inventors: Marina M. Safont Sempere, Chariclea Scordilis-Kelley
  • Patent number: 12261327
    Abstract: A battery module includes a plurality of battery units and at least one bus bar, where each of the battery units includes a first frame and a battery cell, the first frame is provided with an accommodating space for accommodating the battery cell, the battery cell includes an encapsulating case and an electrode terminal extending out of the encapsulating case. Each battery unit further includes at least one conductive sheet, the conductive sheet is disposed on the first frame, the electrode terminal of the battery cell is connected to the conductive sheet, and the bus bar is connected to conductive sheets of two adjacent battery units. With the conductive sheet provided on the first frame, the bus bar is connected to conductive sheets of two adjacent battery units to implement series-parallel connection and assembly between battery cells on different first frames, so that the entire battery module can be connected.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: March 25, 2025
    Assignee: Dongguan Poweramp Technology Limited
    Inventor: Bing Li
  • Patent number: 12255303
    Abstract: A battery pack includes a plurality of battery modules respectively having at least one battery cell, a rack case configured to accommodate the plurality of battery modules, a fire distinguishing water supply unit disposed at the rear of the rack case and connected to the plurality of battery modules, and a bracket unit configured to cover the fire distinguishing water supply unit and disposed at the rear of the rack case.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: March 18, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Goan-Su Jung, Seung-Jun Lee, Kown Son, Jong-Soo Lee, Jin-Kyu Lee
  • Patent number: 12244035
    Abstract: Provided is a battery assembly including: a battery housing; a battery cell assembly including a plurality of battery cells which are stacked and placed in the housing and are electrically connected; and a heat dissipation resin layer, and the battery assembly has minimized cell damage due to a swelling phenomenon occurring in a battery cell and an improved module life by controlling the physical properties of the low-hardness heat dissipation resin layer.
    Type: Grant
    Filed: April 24, 2024
    Date of Patent: March 4, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Ji San Kim, Yun Kyung Min, Seo Roh Rhee, Jong Chan Lee
  • Patent number: 12244005
    Abstract: The invention relates to a secondary particle for a cathode of a secondary lithium battery cell that comprises a plurality of primary particles, each having a layered crystalline structure in which transition metal oxide layers and lithium layers alternate. Each of the primary particles has a spatial extension in the direction of its crystallographic c-axis that is greater than in a direction perpendicular to this axis. The invention also relates to a method for producing such a particle.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: March 4, 2025
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Vedran Glavas, Julian Koopmann, Jonathan Mueller, Stéphane Brice Olouou Guifo, Julian Wegener, Marco Wiethop
  • Patent number: 12237510
    Abstract: A negative electrode and a rechargeable lithium battery, the negative electrode including a current collector; and a negative active material layer on the current collector, the negative active material including a carbon negative active material; wherein: an electrode density of the negative electrode is in the range of about 1.0 g/cc to about 1.5 g/cc, and a DD (Degree of Divergence) value as defined by the following Equation 1 is about 24 or greater, DD (Degree of Divergence)=(Ia/Itotal)*100??[Equation 1] wherein, in Equation 1, Ia is a sum of peak intensities at non-planar angles measured by XRD using a CuK? ray, and Itotal is a sum of peak intensities at all angles measured by XRD using a CuK? ray.
    Type: Grant
    Filed: July 27, 2023
    Date of Patent: February 25, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jinhyon Lee, Bokhyun Ka, Kyeuyoon Sheem, Soonho Ahn
  • Patent number: 12230984
    Abstract: A battery abnormality detection device that: for an equalization circuit including a discharge circuit provided with a switch that, in a case of being switched ON, causes a battery cell to discharge, and including a detector connected to the battery cell in parallel to the discharge circuit so as to detect a voltage of the battery cell, acquires a first voltage in a case in which the switch has been switched OFF and a second voltage in a case in which the switch has been switched ON, as detected by the detector, and estimates, from a detected value of one of the acquired first voltage or second voltage, an estimated value of another of the acquired first voltage or second voltage, and determines whether or not an abnormality has occurred in the equalization circuit based on the detected value and the estimated value.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: February 18, 2025
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kosuke Nishioka