Patents Examined by Matthew T Martin
  • Patent number: 11996568
    Abstract: A traction battery device for an at least partially electrically driven motor vehicle includes at least one traction battery with at least one battery housing for housing battery modules and/or battery cells and at least one extinguishing apparatus for automatically carrying out an extinguishing process in an extinguishing situation. An extinguishing agent can be introduced into the battery housing with the extinguishing apparatus via at least one feed device. In this context, the extinguishing apparatus has at least one extinguishing-agent-generating device which, in the case of an extinguishing situation, is suitable for combining, and is designed to combine, at least two spatially separate extinguishing agent components in a controlled fashion and to mix them to form an extinguishing agent which can be extinguished and which can be introduced into the battery housing via the feed device.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: May 28, 2024
    Assignee: Dr. Ing. h.c. F. Porsche Aktiengesellschaft
    Inventor: Benjamin Rehfuß
  • Patent number: 11996582
    Abstract: Improved battery separators, batteries, and systems, as well as methods relating thereto are disclosed herein for use in various lead acid batteries such as valve-regulated lead acid (VRLA) batteries that include one or more AGM layers. The improved battery separators described herein may provide a battery system with an advantage of a significantly decreased acid filling time and a significantly increased acid filling speed. Various improved batteries, methods and systems are described herein using such improved battery separators that increase acid filling speed and decrease acid filling time for a VRLA battery.
    Type: Grant
    Filed: September 7, 2020
    Date of Patent: May 28, 2024
    Assignee: Daramic, LLC
    Inventors: Eric H Miller, Robert W. Saffel
  • Patent number: 11996572
    Abstract: A battery module includes: one or more cell assemblies; a main housing comprising a main boundary portion surrounding an accommodation space in which the one or more cell assemblies are positioned; a first plate comprising a first boundary portion coupled with the main boundary portion and a first exposure portion exposed from the main boundary portion and defining a side of a cooling fluid passage for cooling the accommodation space; and a second plate facing the first plate and comprising a second boundary portion coupled with the main boundary portion and a second exposure portion exposed from the main boundary portion and defining an other side of the cooling fluid passage.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: May 28, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Junhyung Lee, Daeyeop Park, Heonhee Kim, Jisoon Lim, Sunghoon Jung
  • Patent number: 11996556
    Abstract: An object is to provide a positive electrode active material for a non-aqueous electrolyte secondary battery that can suppress gelation of a positive electrode mixture paste and can improve stability when a non-aqueous electrolyte secondary battery is manufactured. A positive electrode active material for a non-aqueous electrolyte secondary battery has a hexagonal layered crystal structure, is represented by general formula (1): Li1+sNixCoyMnzMwBtO2+?, and includes a lithium-metal composite oxide containing a secondary particle with a plurality of aggregated primary particles and a lithium-boron compound present on at least a part of surfaces of the primary particles. The amount of lithium hydroxide that elutes when the positive electrode active material is dispersed in water, measured by a neutralization titration method, is 0.01% by mass or more and 0.5% by mass or less with respect to the entire positive electrode active material.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: May 28, 2024
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Hiroko Oshita, Motoaki Saruwatari, Kazuomi Ryoshi
  • Patent number: 11996511
    Abstract: Disclosed is a rechargeable battery including: an electrode assembly wound with a separator between a first electrode and a second electrode; a first exterior material including an opening receiving the electrode assembly and facing a bottom side of the electrode assembly; a second exterior material covering the opening, and combined to the first exterior material to seal an internal side of the first exterior material; and a reinforcing member having greater rigidity than the first exterior material and the second exterior material, disposed between the electrode assembly and the first exterior material, and including a side wall for surrounding a lateral side of the electrode assembly.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: May 28, 2024
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun Ho Lee, Youmee Kim, Seungjun Myoung, Jeongho Park, Byongchul Woo
  • Patent number: 11990631
    Abstract: A battery cabinet with a plurality of spaced apart shelves of equal width and depth. Each shelf supports a removable battery module. In turn, each module has a fixed adapter that holds batteries as a battery bank where the module and adapter occupy most of the space between shelves. Battery cells are vertically or horizontally aligned with terminals joined to comb-shaped straps with blades joined to battery terminals. The space between blades allows for thermal expansion without wear on terminals.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: May 21, 2024
    Assignee: Villara Corporation
    Inventors: Robert P. Kittell, Curtis Ray Wylie, Jr., Calvin Richard Wylie, Eric S. Johnson, William A. Landgraf
  • Patent number: 11990648
    Abstract: A miniature electrochemical cell of a primary or secondary chemistry with a total volume that is less than 0.5 cc is described. The cell has a casing comprising an annular sidewall supported on a lower plate opposite an upper lid. The lid has a sealed electrolyte fill port. At least one electrolyte channel in the inner surface of the lid extends radially from the fill port and outwardly beyond an outer peripheral edge of the current collector. A current collector contacts an inner surface of the lid with a first electrode active material contacting the current collector. An opposite polarity active material contacts the lower plate. A dielectric material coats the lower open end of the annular sidewall and a portion of the inner surface of the sidewall. A glass seals the dielectric material to the lower plate. An electrolyte activates the electrode assembly.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: May 21, 2024
    Assignee: Greatbatch Ltd.
    Inventors: Daniel M. Baumer, Joshua C. Ulrich, Marcus J. Palazzo, David Wutz, David Dianetti
  • Patent number: 11990580
    Abstract: An apparatus for manufacturing a battery cell by stacking a negative electrode, a separator, and a positive electrode includes, a loading unit of loading the negative electrode, separator, and positive electrode, a negative electrode stacking unit disposed adjacent to the loading unit, and configured to cut a negative electrode material unwound from a negative electrode roll to a preset length and stack the cut negative electrode material on the loading unit, a separator stacking unit disposed adjacent to the loading unit, and configured to cut a separator material unwound from a separator roll to a preset length and to stack the cut separator material on the loading unit, and a positive electrode stacking unit disposed adjacent to the stacking unit, and configured to cut a positive electrode material unwound from a positive electrode roll to a preset length and stack the cut positive electrode material on the loading unit.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: May 21, 2024
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hokyeong Oh, SeHo Kwon
  • Patent number: 11984599
    Abstract: An electrode component for an electrochemical cell is provided herein. The electrode component includes a current collector having a first surface, a metal oxide layer disposed on the first surface of the current collector, and a lithium-containing layer bonded to the first surface of the current collector. The metal oxide layer includes a plurality of features. A method for manufacturing such an electrode component is also provided herein. The method includes directing a laser beam toward the first surface of the current collector in the presence of oxygen to form the metal oxide layer on the first surface and applying the lithium-containing layer to the metal oxide layer thereby bonding the lithium-containing layer with the current collector.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: May 14, 2024
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Fang Dai, Hongliang Wang, Shuru Chen, Qinglin Zhang, Mei Cai
  • Patent number: 11978919
    Abstract: A battery safety vent assembly for a battery casing with an upper surrounding clamp-like shape is disclosed. The assembly has a positive cap, a safety vent disk extending under a disk element of the positive cap, a gasket insulator snugly fitting into the clamp-like shape of the battery casing and providing support to the positive cap, the safety vent disk and a circuit interrupt device embedded in an underside recess area of the gasket insulator. The circuit interrupt device is coupled to a button downwardly projecting from the safety vent disk. Gas release passages, openings and interfaces between parts of the assembly are arranged so that when gas pressure inside the battery casing exceeds a predetermined threshold limit of pressure, weak lines in the safety vent disk allow gas to safely exit the battery casing.
    Type: Grant
    Filed: July 10, 2019
    Date of Patent: May 7, 2024
    Assignee: HYDRO-QUÉBEC
    Inventors: Pu Wang, Mustapha El Mazouzi, Karim Zaghib
  • Patent number: 11978888
    Abstract: A ceria-carbon-sulfur (CeO2—C—S) composite including a ceria-carbon (CeO2—C) composite in which cylindrical carbon materials having ceria (CeO2) particles bonded to surfaces thereof are entangled and interconnected to each other in three dimensions; and sulfur introduced into at least a portion of an outer surface and an inside of the ceria-carbon composite, a method for preparing the same, and positive electrode for a lithium-sulfur battery and a lithium-sulfur battery including the same.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: May 7, 2024
    Assignees: LG ENERGY SOLUTION, LTD., SOGANG UNIVERSITY RESEARCH FOUNDATION
    Inventors: Seungbo Yang, Kwonnam Sohn, Jun Hyuk Moon, Doo Kyung Yang, Donghee Gueon, Jeong Tae Hwang
  • Patent number: 11978909
    Abstract: An electrode structure includes a positive electrode layer and a positive electrode collector member. The positive electrode collector member includes a positive electrode collector foil, a carbon film, and a hot melt adhesive agent. A positive electrode total specific surface area is more than or equal to 2.2 m2/g and less than or equal to 3.0 m2/g, the positive electrode total specific surface area being represented by a total of a product of weight ratio and specific surface area of a positive electrode active material, a product of weight ratio and specific surface area of a solid electrolyte, and a product of weight ratio and specific surface area of a conductive material. A softening point of the hot melt adhesive agent is more than or equal to 100° C. and less than or equal to 130° C.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: May 7, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideki Hagiwara, Ryuto Sakamoto
  • Patent number: 11978889
    Abstract: A method of producing an electrode mixture paste includes a kneading process in which an electrode active material, a conductive material, a binding material, a dispersant and a non-aqueous solvent are kneaded to obtain an electrode mixture paste and an ultrasonic wave application process in which ultrasonic waves are applied to the electrode mixture paste without evaporating the non-aqueous solvent from the electrode mixture paste.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: May 7, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Naoya Kishimoto
  • Patent number: 11978923
    Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly; and an outer terminal. The bus bar frame assembly includes a bus bar frame and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells, the bus bar frame being configured to cover first and second opposing longitudinal ends of the cell stack, and the outer terminal is connected to the plurality of bus bars. A pair of electrode leads of each of the battery cells are formed at locations offset downwardly from a center of the cell stack in a height direction, and the outer terminal is disposed in the space formed above the electrode leads due to the offsetting of the electrode leads.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: May 7, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Dai-Ki Min, Jung-Min Kwak, Jong-Ha Jeong
  • Patent number: 11978861
    Abstract: An apparatus for manufacturing the secondary battery includes a first measurement part photographing unit cells, which are continuously transferred, to measure a position of a first electrode having a relatively large size of the first electrode and a second electrode, which are provided in the unit cells and have polarities opposite to each other, from an image of each of the photographed unit cells; and a first arrangement part disposing the unit cell passing through the first measurement part at a preset position of the separation sheet to adjust an interval between the unit cells disposed on the separation sheet on the basis of the position of the first electrode, which is measured by the first measurement part.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won Nyeon Kim, Jung Kwan Pyo, Cha Hun Ku, Byeong Kyu Lee, Tai Jin Jung
  • Patent number: 11978852
    Abstract: A lithium electrode and a lithium secondary battery including the same, which includes a first protective layer and a second protective layer sequentially formed on at least one surface of lithium metal layer. The second protective layer contains a cross-linked ion conductive electrolyte in the interior and on the surface of the electrically conductive matrix, and thus the first protective layer has higher ion conductivity than the second protective layer, thereby preventing electrons from being concentrated into lithium dendrites formed from the lithium metal to inhibit the growth of lithium dendrites, and at the same time, physically inhibiting the growth of lithium dendrites by the second protective layer.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: May 7, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Eunkyung Park, Minchul Jang, Bora Jung, Suk Il Youn, Byoungkuk Son
  • Patent number: 11973175
    Abstract: Disclosed is a method of manufacturing a pouch-shaped battery cell, the method including (a) forming an electrode assembly receiving portion in a laminate sheet to manufacture a preliminary battery case, (b) receiving an electrode assembly in the electrode assembly receiving portion and sealing other outer peripheries of the preliminary battery case excluding a first side outer periphery of the preliminary battery case, through which gas is discharged, (c) disposing a fixing jig at each of opposite end corner portions of a first side outer periphery of the electrode assembly receiving portion, (d) performing an activation process and a degassing process, (e) resealing the first side outer periphery of the electrode assembly receiving portion, and removing an end of the preliminary battery case, wherein step (d) to step (f) are performed in the state in which the corner portion is in tight contact with the inner surface of the fixing jig, which is technology capable of preventing the preliminary battery case f
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: April 30, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventor: Jin Seop Kwak
  • Patent number: 11973242
    Abstract: A degassing apparatus for a secondary battery, and a degassing method using same, is provided. The degassing apparatus includes a drive motor and a jig arm configured to pressurize a first surface of a gas pocket of a battery cell and a second surface opposite the first surface by controlling a separation distance by the operation of a driving motor. The degassing apparatus is capable of performing an effective degassing and sealing process for the battery cell without positional movement of the battery cell during cell activation or after cell activation.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: April 30, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Sang Jih Kim, Joon Sung Bae, Beom Koon Lee, Dong Hun Bae, Eui Kyung Lee, Suk Hyun Hong
  • Patent number: 11973229
    Abstract: The present disclosure relates to an anode for a lithium-metal battery, a manufacturing method of the same, and a lithium-metal battery including the anode. The anode for a lithium-metal battery includes a complex hierarchical structure current collector which includes an inverted pyramid-shaped micro hole pattern and nanostructures provided within the inverted pyramid-shaped micro hole pattern; and a lithium metal which is electrodeposited on the nanostructure of the current collector. As a result, it is possible to increase the life stability of the battery and increase the coulombic efficiency.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: April 30, 2024
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae Young Seok, Sanha Kim, Inyeong Yang, Ji-Hun Jeong, Seung Seob Lee
  • Patent number: 11967720
    Abstract: An electrode according to an embodiment contains an electrode mixture layer containing an active material and a conductive assistant. In a logarithmic differential pore volume distribution by a mercury intrusion method, the electrode mixture layer satisfies: a ratio P1/P2 within a range of 2 or more and less than 8, and a ratio S1/S2 within a range of 3 or more and less than 10. P1 is a value of a maximum logarithmic differential pore volume in a pore diameter range of 0.1 ?m or more and 1 ?m or less. P2 is a value of a logarithmic differential pore volume of a pore diameter of 0.03 ?m. S1 is an integrated value in a pore diameter range of 0.1 ?m or more and 1 ?m or less. S2 is an integrated value in a pore diameter range of more than 0 ?m and less than 0.1 ?m.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: April 23, 2024
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuki Watanabe, Dai Yamamoto, Toshitada Nakazawa, Tetsuro Kano, Masanori Tanaka