Patents Examined by Lingwen R Zeng
  • Patent number: 11515590
    Abstract: A partition member includes an encapsulated body capable of retaining a liquid, and an outer package body for accommodating the encapsulated body and the liquid. The area S1 of the encapsulated body when the outer package body and the encapsulated body are seen in a planar view from the thickness direction and the area S2 of a gap between the outer package body and the encapsulated body satisfy the relationship represented by formula 1 below, and the volume V1 of the liquid and the volume V2 of the encapsulated body satisfy the relationship represented by formula 2 below. S1/(S1+S2)?0.99 and??Formula 1 0.02?V1/V2?1.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: November 29, 2022
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tatsuhiko Honda, Naoto Maru, Tomohiro Kawai, Iwao Soga
  • Patent number: 11511631
    Abstract: A leadframe (10) for a battery apparatus (100) of an electric vehicle, having an encircling frame section (20) and at least one separating section (30) that subdivides the frame section (20) into at least two module receptacles (40) for receiving in each case one cell module (120). The encircling frame section (20) has an encircling outer seal (50) for sealing off against the passage of liquid. Additionally, the at least one separating section (30), together with the frame section (20), has an inner seal (60) that encircles each module receptacle (40) for sealing off against the passage of liquid.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: November 29, 2022
    Assignee: Dr. Ing. h. c. F. Porsche AG
    Inventors: Philipp Trautmann, Calin Baicu, Graef Guenther
  • Patent number: 11502532
    Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: November 15, 2022
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Michael Pozin, Fred J. Berkowitz, Steven J. Specht, Yelena Kouznetsova, Bhupendra K. Patel, Yang Zhao, Haitao Chang
  • Patent number: 11495801
    Abstract: The invention relates to a battery electrode foil comprising an aluminium alloy, wherein the aluminium alloy has the following composition in weight percent: Si: 0.07-0.12% by weight, Fe: 0.18-0.24% by weight, Cu: 0.03-0.08% by weight, Mn: 0.015-0.025% by weight, Zn: ?0.01% by weight, Ti: 0.015-0.025% by weight, Zn: ?0.01% by weight, Ti: 0.015-0.025% by weight, Mn: 0.015-0.025% by weight, Zn: ?0.01% by weight, Ti: 0.015-0.025% by weight, wherein the aluminium alloy can contain impurities up to a maximum of 0.01% in each case, up to a maximum of 0.03% in total, but the proportion of aluminium must be at least 99.5% by weight; wherein the battery electrode foil has intermetallic phases of a diameter length of 0.1 to 1.0 ?m with a density of ?9500 particles/mm2. The invention further relates to a process for the production of a battery electrode foil, its use for the production of accumulators, and accumulators containing the battery electrode foil.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: November 8, 2022
    Assignee: Speira GMBH
    Inventors: Galyna Laptyeva, Ulrich Hampel, Volker Denkmann
  • Patent number: 11482705
    Abstract: The present disclosure provides a lithium-rich negative electrode plate, an electrode assembly and a lithium-ion battery, the lithium-rich negative electrode plate comprises a negative electrode collector and a negative electrode film, the negative electrode film is provided on a surface of the negative electrode collector and comprises a negative electrode active material, the lithium-rich negative electrode plate further comprises a layer of lithium metal provided on a surface of the negative electrode film. The negative electrode film further comprises a cyclic ester which is capable of forming a film on the negative electrode plate, a dielectric constant of the cyclic ester is larger than or equal to 10, and a reduction potential of the cyclic ester relative to Li/Li+ is lower than or equal to 1.5V.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: October 25, 2022
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiang Zhou, Jiang Liu, Guobao Wang, Xiaomei Liu, Xianfeng Zheng
  • Patent number: 11482751
    Abstract: A battery module includes a module case, a battery cell assembly that is received in the module case, a heat sink mounted below the module case, and a heat pipe member mounted inside an upper side of the module case. The battery cell assembly includes battery cells, each of which has an electrode lead drawn to one or two sides thereof. The battery cells are stacked along a horizontal direction of the module case such that an edge of each of the battery cells not having an electrode lead is oriented downwardly facing the heat sink. The heat pipe member includes an evaporator and a condenser, the evaporator being formed on a side of the electrode leads of the battery cells, and the condenser being in contact with an inner surface of the module case.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: October 25, 2022
    Inventor: Bo-Hyun Lee
  • Patent number: 11476532
    Abstract: A battery module includes a plurality of batteries and at least one spacer disposed between adjacent batteries among the plurality of batteries. The spacer includes at least one reflection layer which reflects at least 60% of an electromagnetic wave having a wavelength of 0.7 to 3 ?m. The at least one reflection layer faces to one of the adjacent batteries.
    Type: Grant
    Filed: February 13, 2019
    Date of Patent: October 18, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Katsutoshi Takeda
  • Patent number: 11476546
    Abstract: An electrode assembly includes a cell stack part having (a) a structure in which one kind of radical unit is repeatedly disposed and has same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, and an auxiliary unit disposed on at least one among an uppermost part or a lowermost part of the cell stack part. The one kind of radical unit of (a) has a four-layered structure in which a first electrode, a first separator, a second electrode and a second separator are sequentially stacked or a repeating structure in which the four-layered structure is repeatedly stacked, and each of the at least two kinds of radical units are stacked by ones in the predetermined order to form the four-layered structure or the repeating structure.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: October 18, 2022
    Inventors: Ji Won Park, Myung Hoon Ko, Seung Ho Na, Chang Bum Ahn
  • Patent number: 11476518
    Abstract: A battery pack includes: a plurality of battery modules each including a plurality of battery cells arranged side by side in a first direction; and a cooling mechanism having passages arranged adjacent to the plurality of battery modules to conduct a heat transfer medium to cool the plurality of battery modules, the cooling mechanism including: a plurality of inflow tubes arranged adjacent to a center line extending through centers of the plurality of battery modules in the first direction, the plurality of inflow tubes having first distal ends to receive heat transfer medium and second distal ends to discharge heat transfer medium; and a plurality of outflow tubes connected to the second distal ends of the plurality of inflow tubes to discharge heat transfer medium therefrom, the plurality of outflow tubes being disposed in a position further outwardly from the center line than the plurality of inflow tubes.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: October 18, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Junyoung Kim, Seungwoo Yang
  • Patent number: 11462782
    Abstract: A battery pack includes a plurality of battery cells, a pack case partitioning an interior volume into a plurality of accommodation spaces capable of accommodating at least portions of the plurality of battery cells, a cooling mat disposed to contact upper surfaces of the plurality of battery cells inside the pack case, and an air cushion disposed perpendicular to the cooling mat and mounted to inner walls of the pack case along a front and rear direction.
    Type: Grant
    Filed: August 26, 2019
    Date of Patent: October 4, 2022
    Inventors: Su-Hang Lee, Kyu Hyun Choi, Ho-June Chi, Jee-Soon Choi
  • Patent number: 11456499
    Abstract: Aspects relate to systems and methods for manufacture of a battery pack including a metal case circumscribing an inner volume circumscribed on all but one open side, where the case additionally includes a sealing rim positioned at least partially about the open side, a first component that includes at least two or more sides of the case, and a second component that includes at least one other side of the case, at least a battery module installed within the inner volume of the case, and an inner panel installed within the inner volume, between the case and the at least a battery module. In some aspects, sealing rim, first component, and second component are all joined together by welding.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: September 27, 2022
    Assignee: BETA AIR, LLC
    Inventors: Sean Richard Donovan, Sam Wagner
  • Patent number: 11450916
    Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.
    Type: Grant
    Filed: December 5, 2020
    Date of Patent: September 20, 2022
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xiaobo Chen, Fenggang Zhao, Yao Li, Peng Wang, Zhanyu Sun, Yongshou Lin
  • Patent number: 11437664
    Abstract: A battery module includes a battery stack having a plurality of batteries that are stacked and a heat transfer suppression member disposed between adjacent two of the batteries, a heat conductor that extends in stacking direction X of the batteries and is adjacent to the battery stack, and a heat absorber that intervenes between the battery stack and the heat conductor and contains an endothermic agent that is to start endothermic reaction at a temperature higher than or equal to a predetermined temperature.
    Type: Grant
    Filed: September 3, 2018
    Date of Patent: September 6, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuki Kuramitsu, Toshiya Gotou, Kazunari Hiraide
  • Patent number: 11424476
    Abstract: A counterholder for supporting at least a first of two boundary surfaces, between which a medium is arranged, via which a first compressive force acting on the first boundary surface and a second compressive force acting on the second boundary surface and directed counter to the first compressive force are exerted, at least temporarily. The counterholder has a shell of elastically deformable design at least in one contact area for positioning at a boundary element, which provides the first boundary surface on a contact side opposite the first boundary surface, and within which, a non-Newtonian, shear-thickening fluid is arranged.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: August 23, 2022
    Assignee: AUDI AG
    Inventor: Michael Maisch
  • Patent number: 11417912
    Abstract: A secondary battery that includes a partial electrode assembly having a planar stacking structure in which a plurality of electrode constituting layers are stacked, the plurality of electrode constituting layers each include a pair of electrodes and a separator therebetween, and at least one of the pair of electrodes includes a double-sided electrode having an electrode material layer on opposed main surfaces of a current collector; and an outermost layer electrode surrounding the partial electrode assembly along at least a portion of a contour of the partial electrode assembly in a cross-sectional view thereof, the outermost layer electrode including a single-sided electrode having an outermost electrode material layer on one main surface of an outermost current collector.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: August 16, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Hidetaka Shibata
  • Patent number: 11411285
    Abstract: According to the present disclosure, there is provided an electrode assembly comprising (a) a structure in which one kind of radical unit is repeatedly disposed, the one kind of radical unit having a same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, the at least two kinds of radical units each having a same number of electrodes and separators which are alternately disposed and integrally combined.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 9, 2022
    Inventors: Ji Won Park, Seung Jae You, Hyang Mok Lee
  • Patent number: 11411267
    Abstract: A cooling device for battery cells assembled to form a module, having a base body and an insert which has receptacles for an end portion of the battery cells with recesses in the cell head. The insert together with the base body delimits a flow channel for a temperature control fluid A cooling device of this type permits operationally reliable accommodation of the battery cells with low manufacturing costs and high temperature control performance, without having to take manufacturing tolerances into account in advance. The receptacles form a fluid-tight membrane which encloses the end portion of the battery cells, which membrane is deformable for tolerance compensation of the individual battery cells and rests against the cell bottom when the flow channel is filled.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: August 9, 2022
    Assignee: Kreisel Electric GmbH & Co. KG
    Inventors: Kilian Menzl, Bernhard Maximilian Berger, Johannes Pumsleitner, Philipp Kregl, Peter Dobusch
  • Patent number: 11398637
    Abstract: Provided is a fuel cell system including a fuel cell, a radiator that is provided in a circulation path of coolant that cools the fuel cell, a spray unit that sprays, toward the radiator, generated water that has been generated in and discharged from the fuel cell, and a heating unit that is provided in a supply path of the generated water from the fuel cell to the spray unit and heats the generated water.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: July 26, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazutoshi Wakatsuki, Katsuya Komaki
  • Patent number: 11380950
    Abstract: A battery module includes a cell stack having pouch-type battery cells provided to stand side by side and stacked in a horizontal direction, and a module housing configured to accommodate the cell stack. The module housing includes a lower plate provided in a rectangular plate form to support the cell stack at a lower portion of the cell stack; and a first left pressing plate and a first right pressing plate having elasticity and extending upwards at both side edge regions of the lower plate, which are provided side by side, to form an acute angle with respect to a vertically upper direction so that a gap between the first left pressing plate and the first right pressing plate becomes narrowed upwards. The first left pressing plate and the first right pressing plate are elastically biased to press both side surfaces of the cell stack.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: July 5, 2022
    Inventor: Yong-Il Kim
  • Patent number: 11380901
    Abstract: A resin current collector provides means for improving the cycle characteristics in a lithium ion battery and includes a polyolefin resin, and a conductive carbon filler. The total surface area of the conductive carbon filler contained in 1 g of the resin current collector is 7.0 m2 or more and 10.5 m2 or less.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: July 5, 2022
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Ryosuke Kusano, Yoshihiro Ikeda, Yasuhiro Tsudo, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie