Patents Examined by Gary D. Harris
  • Patent number: 11508993
    Abstract: An electrode assembly includes an electrode subassembly forming by winding a first electrode plate and a second electrode plate. The first electrode plate includes a first electrode plate unit. The first electrode plate unit includes a bipolar current collector, a first active layer, and a second active layer. The bipolar current collector is disposed between the first active layer and the second active layer. The first active layer is electrically connected to the second active layer. The second electrode plate includes a composite current collector, a third active layer, and a fourth active layer. The composite current collector is disposed between the third active layer and the fourth active layer. The third active layer is electrically insulated from the fourth active layer. The disclosure further provides a battery including the electrode assembly.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: November 22, 2022
    Assignee: Ningde Amperex Technology Ltd.
    Inventors: Qiaoshu Hu, Yi-Bo Zhang
  • Patent number: 11502379
    Abstract: Provided is a laminate-type all-solid state battery configured to suppress the occurrence of short circuits. Disclosed is an all-solid-state battery, wherein a width of the anode layer is larger than a width of the cathode layer; wherein the anode current collector layer comprises an anode current collector layer protrusion protruding in plane direction at any one side of the battery laminate; wherein the cathode current collector layer comprises a cathode current collector layer protrusion protruding in plane direction at any one side of the battery laminate; and wherein the battery laminate comprises side surface fixing portions composed of a resin.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kazuhito Kato
  • Patent number: 11489165
    Abstract: Provided are an electrode wherein a short-circuit preventing film laminated on the surface of the electrode can prevent a short circuit between a cathode and an anode when a battery is overheated; a secondary battery using the electrode; and a method for manufacturing the electrode. The secondary battery electrode includes: an electrode current collector; an active material layer formed on the electrode current collector; and a short-circuit preventing film laminated on the active material layer, wherein the short-circuit preventing film includes a nanoweb type porous membrane which is formed by integrating nanofiber strands obtained by electrospinning polyacrylonitrile (PAN).
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: November 1, 2022
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Seung Yun Rho, Dong Woo Kim, Seung Gon Park
  • Patent number: 11469549
    Abstract: A shroud configured to connect a leadframe to a battery system for a hybrid motor vehicle is provided. The shroud is removably attachable to the leadframe. The shroud has at least one shroud alignment feature, the shroud being removably attached to the leadframe in a predetermined orientation wherein the shroud alignment feature is aligned with a complimentary leadframe alignment feature. The shroud may include a hollow cylindrical portion and at least one connecting feature configured to attach the shroud to the leadframe. The shroud may be provided as part of a connector system that includes the leadframe. In this case, the leadframe is configured to provide an electrical and mechanical connection between a power inverter and the battery system of the electric motor. The leadframe includes at least one leadframe alignment feature that is aligned with the shroud alignment feature.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: October 11, 2022
    Assignee: Vitesco Technologies USA, LLC
    Inventor: Andrew Joseph Wisniewski
  • Patent number: 11450887
    Abstract: Disclosed herein are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same. The disclosed lithium secondary battery includes: a cathode; an anode; a separator interposed between the cathode and the anode; and an electrolyte, wherein the electrolyte includes: a lithium salt; and a solvent including a perfluorinated ether-based solvent, fluoroethylene carbonate (FEC), and ethylmethyl carbonate (EMC).
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: September 20, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, UNIST (Ulsan National Institute of Science and Technology)
    Inventors: KyoMin Shin, DongHui Kim, SangJoon Lee, Seung Ho Ahn, SungHoon Lim, Nam-Soon Choi, Sung You Hong, Choonki Kim, Koeun Kim, Yeonkyoung Kim
  • Patent number: 11450858
    Abstract: Provided is a non-aqueous electrolyte secondary battery in which an increase in temperature, which is caused by a short circuit at an exposed part of an interface between a positive electrode current collector and an insulating layer provided on the positive electrode current collector, is suppressed. The non-aqueous electrolyte secondary battery disclosed here includes a positive electrode, a negative electrode and a non-aqueous electrolyte. The positive electrode includes a positive electrode current collector, a positive electrode active substance layer and an insulating layer. The positive electrode current collector has a part where the positive electrode current collector is exposed at at least one edge thereof. The insulating layer is positioned at a boundary between the positive electrode active substance layer and the part where the positive electrode current collector is exposed. The insulating layer contains an inorganic filler and resin particles at a mass ratio of 75:25 to 25:75.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: September 20, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kunihiko Hayashi
  • Patent number: 11444271
    Abstract: A battery includes an electrode assembly having a positive electrode and a negative electrode. The positive electrode includes a positive electrode substrate, a positive electrode active material layer formed on the surface of the positive electrode substrate, and a positive tab section having a substrate-exposed portion in which the positive electrode active material layer is not formed on the surface. The positive electrode active material layer has a notch in the end of the positive electrode active material layer. The outer edge of the notch encloses an end of a boundary where the positive tab section and the positive electrode active material layer come into contact.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: September 13, 2022
    Assignees: Panasonic Holdings Corporation, SANYO Electric Co., Ltd.
    Inventors: Yuma Kamiyama, Ryosuke Iwata, Katsuya Shiozaki
  • Patent number: 11431026
    Abstract: A polymer hybrid solid electrolyte that possesses high room temperature ionic conductivity, very low interfacial resistance with the electrodes and electrochemical stability window up to 5.2 volts. The polymer-ceramic hybrid solid electrolyte includes: a PEO based copolymer electrolyte; a solvate ionic liquid (SIL); and a salt of a monovalent cation. The inclusion of an ionically conductive additive, such as a ceramic fine powder, can further improve ionic conductivity as well as mechanical properties.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 30, 2022
    Assignee: NEI Corporation
    Inventors: Parameswara Rao Chinnam, Runqing Ou
  • Patent number: 11431027
    Abstract: Single Li-ion conducting solid-state polymer electrolytes for use in energy storage devices are disclosed. The energy storage device comprises a first electrode and a second electrode, where 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. Electrolytes may include all-solid-state polymer electrolytes, quasi-solid polymer electrolytes and/or polymer gel electrolytes. The single Li-ion conducting solid-state polymer electrolytes can improve the electrochemical performances and safety of Si anode-based Li-ion batteries.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: August 30, 2022
    Assignee: Enevate Corporation
    Inventors: Liwen Ji, Benjamin Park
  • Patent number: 11424458
    Abstract: A technique facilitates evaluation of a fluid, such as a fluid produced from a well. The technique utilizes a modular and mobile system for testing flows of fluid which may comprise mixtures of constituents, and for sampling fluids thereof. The multiphase sampling method includes flowing a multiphase fluid comprising an oil phase and a water phase through a first conduit, the oil phase and water phase at least partially separating in the first conduit, mixing together the oil phase and water phase to form a mixed bulk liquid phase by flowing the multiphase fluid through a flow mixer toward a second conduit downstream the flow mixer, sampling a portion of the mixed bulk liquid phase at location at or within the second conduit, wherein the sampled portion of the mixed bulk liquid phase has a water-to-liquid ratio (WLR) representative of the pre-mixed oil phase and water phase.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: August 23, 2022
    Assignee: Schlumberger Technology Corporation
    Inventor: Vladimir Shitikov
  • Patent number: 11417873
    Abstract: Solid-state batteries, battery components, and related processes for their production are provided. The battery electrodes or separators contain sintered electrochemically active material, inorganic solid particulate electrolyte having large particle size, and low melting point solid inorganic electrolyte which acts as a binder and/or a sintering aid in the electrode.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: August 16, 2022
    Assignee: JOHNSON IP HOLDING, LLC
    Inventors: Lazbourne Alanzo Allie, Adrian M. Grant, Devon Lyman, Lonnie G. Johnson, David Ketema Johnson
  • Patent number: 11411253
    Abstract: A process for merging webs for the production of an electrode assembly for a secondary battery, the process comprising: moving a first web comprising a population of first components for electrode sub-units, the first components delineated by corresponding weakened patterns, and a population of first conveying features. Moving a second web comprising a population of second components for the electrode sub-units, the second components delineated by corresponding weakened patterns, and a population of second conveying features. Conveying a receiving member, the receiving member comprising a plurality of projections. Receiving the first web on the receiving member. Overlaying, the second web on the first web such that the first components are aligned with the second components and the conveying features of the second web are engaged by the plurality of projections on the receiving member. The second web merge location being spaced from the first web merge location.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: August 9, 2022
    Assignee: Enovix Operations Inc.
    Inventors: Robert S. Busacca, Bruno A. Valdes, Murali Ramasubramanian, Ashok Lahiri, Gardner Cameron Dales, John F. Varni, Gunther A. Koblmiller, Robert F. Kinchen, Kim L. Fortunati
  • Patent number: 11387462
    Abstract: An object of this disclosure is to provide a lithium ion battery in which generation of heat can be suitably suppressed. Provided is a lithium ion battery including a positive electrode and a negative electrode. The positive electrode includes a positive electrode collector, a positive electrode active material layer, and an insulating layer provided on another part of the surface of the positive electrode collector, so as to be adjacent to the positive electrode active material layer. The insulating layer contains an inorganic filler and a binder. At least part of the surface of the inorganic filler is covered with LPO.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 12, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Takanobu Yamada
  • Patent number: 11380957
    Abstract: The present application provides a package housing comprising a first end plate and a second end plate disposed opposite to the first end plate, and a first side plate and a second side plate disposed opposite to the first side plate. The first and second side plates is disposed between the first and second end plates, the first end plate is provided with a first through hole, the first side plate is provided with a protrusion passing through the first through hole. A fixing member detachably fixes the first end plate with the first side plate. The present application further provides a battery pack. The purpose of the present application is to solve at least the assembly difficulty of the soft-packaged lithium battery module in the case of a small assembly space, so as to improve the assembly convenience of the soft-packaged lithium battery module.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: July 5, 2022
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Zhuocheng Jia, Kanzhu Huang
  • Patent number: 11374220
    Abstract: A positive electrode active material for non-aqueous electrolyte secondary batteries that can achieve a high output characteristic and a high battery capacity when used in a positive electrode of a battery and that can achieve a high electrode density, and a non-aqueous electrolyte secondary battery that uses such a positive electrode active material and can achieve a high capacity and a high output. A lithium-manganese-cobalt composite oxide includes plate-shaped secondary particles each obtained by aggregation of a plurality of plate-shaped primary particles caused by overlapping of plate surfaces of the plate-shaped primary particles, wherein a shape of the primary particles is any one of a spherical, elliptical, oval, or a planar projected shape of a block-shaped object, and the secondary particles have an aspect ratio of 3 to 20 and a volume-average particle size (Mv) of 4 ?m to 20 ?m as measured by a laser diffraction scattering process.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: June 28, 2022
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Mitsuru Yamauchi, Kazuomi Ryoshi
  • Patent number: 11367912
    Abstract: The present application discloses a rechargeable lithium battery apparatus, comprising a battery cell in a cylindrical shape, a positive electrode of the battery cell has a protection circuit board arranged, wherein, between the positive electrode of the battery cell in the cylindrical shape and a positive electrode of the protection circuit board, there is a metal screw connection structure arranged, acting as the positive electrode of the protection circuit board, connecting electrically to the positive electrode of the battery cell. The rechargeable lithium battery apparatus of the present application, due to adopting a metal screw connection structure arranged on a circuit board at the positive electrode of the battery, corresponding to the positive electrode of the battery cell, achieves a positive electrode cap and a solid connection between the protection circuit board and the battery cell, forming a brand new lithium battery apparatus.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: June 21, 2022
    Assignee: SHENZHEN ORIENTAL WILLING NEW ENERGY CO., LTD
    Inventor: Kunli Wang
  • Patent number: 11367926
    Abstract: A coating slurry with high adhesion and high ionic conductivity, a preparation method thereof, and a lithium battery separator are provided. The coating slurry with the high adhesion and the high ionic conductivity includes: PEAE: 1 to 60 parts; a dispersing agent: 0.01 to 10 parts; a wetting agent: 0.01 to 15 parts; and a solvent: 100 parts. The PEAE can be evenly coated on a basal membrane to form a lithium battery separator, which solves the problem that pure PEAE cannot be directly and evenly coated on a separator. The PEAE is coated on the basal membrane for the first time to prepare the lithium battery separator, which ensures that the lithium battery separator has characteristics of the high adhesion and the high ionic conductivity.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: June 21, 2022
    Assignee: JIANGSU HORIZON NEW ENERGY TECH CO., LTD.
    Inventors: Chenghao Wang, Zhenglin Li, Wenbin Shang, Libin Zhang
  • Patent number: 11355823
    Abstract: A prismatic lithium ion battery cell includes a packaging having a cover sealed to a can, wherein the cover includes a reversal disk. A conductive member is disposed above the reversal disk and a power assembly is disposed within the packaging. A first terminal pad and a second terminal pad are disposed above the conductive member and respectively coupled to the power assembly. The reversal disk is configured to deflect upwards and to displace the conductive member to contact the first and second terminal pads in response to a pressure within the packaging being greater than a first predefined pressure threshold and thereby form an external short-circuit between the first and second terminal pads via the conductive member. Subsequently, a portion of the power assembly fails in response to the external short-circuit and interrupts current flow between the first and second terminal pads.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: June 7, 2022
    Assignee: CPS Technology Holdings LLC
    Inventor: Xugang Zhang
  • Patent number: 11355758
    Abstract: A current collector for a lithium ion battery includes a first conductive resin layer and a second conductive resin layer. The first conductive resin layer includes a first conductive filler. The second conductive resin layer is formed on the first conductive resin layer and includes a second conductive filler. The first conductive filler is a conductive carbon. The second conductive filler contains at least one kind of metal element selected from the group consisting of platinum, gold, silver, copper, nickel, and titanium. A volume % of the second conductive filler in the second conductive resin layer on a first surface side, which is a first conductive resin layer side, is higher than that on the second surface side that is opposite to the first conductive resin layer.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: June 7, 2022
    Assignees: GUNZE LIMITED, APB Corporation
    Inventors: Kazuaki Onishi, Masahiro Uchimaru, Ryosuke Kusano, Sonomi Fukuyama, Shun Kudoh, Yasuhiro Tsudo, Hideaki Horie
  • Patent number: 11355789
    Abstract: Rechargeable battery for a machine tool containing at least one energy storage cell and also one switching apparatus. The rechargeable battery contains a bypass circuit which can be operated in a first and second mode, wherein the bypass circuit is in an inoperative state in the first mode, so that an electric current with a first current value passes from the at least one energy storage cell to the machine tool via the switching apparatus, and wherein the bypass circuit is in an operating state in the second mode, so that an electric current with a second current value passes from the at least one energy storage cell to the machine tool via the bypass apparatus, and wherein the first current value is greater than the second current value.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: June 7, 2022
    Assignee: Hilti Aktiengesellschaft
    Inventors: Klaus Hauser, Michael Candussio, Stefan Mayer, David Koscheck, Markus Forstner