Patents Examined by Jacob B Marks
  • Negative electrode for power storage device, method for forming the same, and power storage device
    Patent number: 11056678
    Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor: thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: July 6, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
  • Battery arrangement for a motor vehicle and motor vehicle
    Patent number: 11050110
    Abstract: A battery arrangement for a motor vehicle (10). The battery arrangement comprises a battery, which has a battery housing and at least one battery cell arranged in the battery housing, and at least one pressure-equalising element for reducing a pressure difference between a pressure in the interior of the battery housing and a pressure in the surroundings of the battery housing. The battery housing has at least one connection region having a passage opening in which at least one conduit of the battery arrangement through which air can flow is connected to the battery housing. The at least one pressure-equalizing element is arranged on the at least one conduit and provides an air throughflow surface of a size that is designed to limit the pressure difference to less than 10 mbar. The invention further relates to a motor vehicle having such a battery arrangement.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: June 29, 2021
    Assignee: AUDI AG
    Inventor: Michael Ernst
  • Electrode assembly, and rechargeable battery comprising same
    Patent number: 11043689
    Abstract: An embodiment of the present invention provides an electrode assembly in which a first electrode having a first electrode coated region and a first electrode uncoated region, a separator, and a second electrode having a second electrode coated region and a second electrode uncoated region are stacked and wound around a winding axis, wherein the first electrode coated region may include a first substrate, a first small electrode portion including first active material layers formed on both surfaces of the first substrate, and a second small electrode portion including a first active material layer formed on the other surface of the first substrate in which one surface thereof is exposed, and the second small electrode portion may be positioned at a first curved portion formed by first winding of the electrode assembly.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: June 22, 2021
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Dongsik Yoon, Yiseop Ahn, Hoyong An, Junghyun Lee, Myungduk Lim, Hyesun Jung, Seung-Hun Han
  • Positive electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery
    Patent number: 11043659
    Abstract: A positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode current collector and a positive electrode mixture layer which contains a positive electrode active material and is disposed on the positive electrode current collector. The void ratio of the positive electrode mixture layer is 30% or less, and the void ratio of secondary particles of the positive electrode active material is within a range of 30% or more and 70% or less of the void ratio of the positive electrode mixture layer.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: June 22, 2021
    Assignee: PANASONIC CORPORATION
    Inventor: Hidekazu Hiratsuka
  • Flexible energy storage devices
    Patent number: 11038179
    Abstract: The invention discloses a flexible energy storage device that is primarily a Li-ion battery or a supercapacitor. The flexible device comprises a cathode and an anode, where layers of an electrode material, a polymer electrolyte, and a packaging material are coated with pattern on a metal mesh current collector. The cathodes and anodes are aligned and laminated, forming flexible energy storage devices. The composite structures of the device and the pattern of the materials coatings on metal mesh impart flexibility and foldability to the energy storage device.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: June 15, 2021
    Inventor: Tuqiang Chen
  • Apparatus for manufacturing elastomeric cell frame for fuel cell
    Patent number: 11038183
    Abstract: An apparatus of manufacturing an elastomeric cell frame for a fuel cell may include, as the apparatus of manufacturing the elastomeric cell frame including an insert in which a membrane electrode assembly and a gas diffusion layer have been bonded, and a sheet-like elastomeric frame made of a thermoplastic elastomer (TPE) integrated into an external area of the insert to form the unit cell of the fuel cell, a lower jig module accommodated so that the overlapping area, in which the insert and the elastomeric frame overlap at a predetermined area, is accommodated, and an upper jig module mounted above the lower jig module to provide heat and pressure to the overlapping area to thermally bond an interface between the insert and the elastomeric frame in the overlapping area.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: June 15, 2021
    Assignees: Hyundai Motor Gompany, Kia Corporation
    Inventors: Jin Hyeok Yoo, Byung Gun Song, Byeong-Heon Jeong
  • Battery structure and protector
    Patent number: 11034227
    Abstract: The present disclosure relates to a battery structure for an electric vehicle. The battery structure comprises a battery case for at least one battery module and a protector including a top belt, a bottom belt and a core arranged between and interconnecting the top belt and the bottom belt. The top belt has a wavelike cross section.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: June 15, 2021
    Inventors: Bernhard Spielvogel, Sebastian Schmitz, Guido Insam, Herbert Dorfinger
  • Off-grid, utility-scale power transmission system via train
    Patent number: 11034261
    Abstract: A Power transmission system for transmission of electrical energy comprising a battery unit and a form of transportation to transport said battery unit wherein the transportation is comprised of a plurality of train cars carrying said battery unit and at least one rail track system to which the railcars travel on and further where the railcars are comprised of plurality of battery modules which are comprised of plurality of battery packs which are comprised of plurality of battery cells and a battery pack management system.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: June 15, 2021
    Inventor: Edward Wade Landreth
  • Crown ether functionalized substrates
    Patent number: 11027996
    Abstract: A method for making crown ether functionalized substrates, which includes modifying crown ether-based molecules by reacting with carboxylic acid functionalize chains. The crown ether-based molecules are then attached to substrates, thereby forming crown ether functionalized substrates.
    Type: Grant
    Filed: January 23, 2019
    Date of Patent: June 8, 2021
    Assignee: The United States of America, as Represented by the Secretary of the Navy
    Inventors: Gregory Stephen Ostrom, Benjamin G Harvey
  • Modified silicon particles for silicon-carbon composite electrodes
    Patent number: 11028242
    Abstract: Methods of forming a composite material film can include providing a mixture comprising a precursor and silane-treated silicon particles. The methods can also include pyrolysing the mixture to convert the precursor into one or more carbon phases to form the composite material film with the silicon particles distributed throughout the composite material film.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: June 8, 2021
    Assignee: ENEVATE CORPORATION
    Inventors: Ian Russell Browne, Liwen Ji, Rahul R. Kamath, Monika Chhorng
  • Electrolyte additive and lithium secondary battery comprising same
    Patent number: 11024881
    Abstract: The present invention provides an electrolyte additive comprising a salt of an anion, derived from a nitrogen-atom-containing compound, with Cs+ or Rb+. Further, the present invention provides an electrolyte additive further comprising lithium difluoro bis(oxalato) phosphate. The present invention provides a non-aqueous electrolyte comprising a lithium salt, a non-aqueous organic solvent, and the electrolyte additive, and may provide a lithium secondary battery comprising: a cathode employing a cathode active material; an anode employing an anode active material; a separator interposed between the cathode and the anode; and the non-aqueous electrolyte.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: June 1, 2021
    Inventors: Jae Yoon Kim, Hyeong Kyu Lim, Jong Hyun Lee, Ji Seong Han
  • Thermally self-chargeable flexible energy storage device and method of forming and operating the same
    Patent number: 11024848
    Abstract: An energy storage device and method of forming and operating the same. In one embodiment, the energy storage device includes a positive electrode including a first redox polymer deposited on a first conductive porous substrate. The energy storage device also includes a solid-state polyelectrolyte separator operative as a voltage generator, and a negative electrode including a second redox polymer deposited on a second conductive porous substrate, thereby forming an electrochemical cell.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: June 1, 2021
    Assignee: The Texas A&M University System
    Inventors: Choongho Yu, Suk Lae Kim
  • Battery cell having recessed portion formed in connection region between receiving units
    Patent number: 11024902
    Abstract: Disclosed herein is a battery cell including a battery case having an initial position and an assembled position, and an electrode assembly. The electrode assembly may include a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The electrode assembly may be mounted in the battery case in the assembled position. The battery case may include a first receiving unit and a second receiving unit formed in the battery case and spaced apart from each other when the battery case is in the initial position, the first and second receiving units receiving a respective portion of the electrode assembly when the battery case is in the assembled position, and a bridge region having a recessed portion that is recessed in a direction identical to the depth direction of each of the receiving units when the battery case is in the initial position.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 1, 2021
    Inventors: Tae Young Moon, Woo Yong Lee
  • Fuel cell based power generator
    Patent number: 11011765
    Abstract: A fuel cell based power generator includes a fuel cell element, an ambient air path configured to receive ambient air and provide the ambient air across a cathode side of the fuel cell element, receive water from the fuel cell element and provide wet air to the water exchanger element, and a fuel cell cooling mechanism associated with the fuel cell element, separate from the ambient air path and configured to cool the fuel cell element.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: May 18, 2021
    Assignee: Honeywell International Inc.
    Inventors: Jeffrey Michael Klein, Steven J. Eickhoff, Paul Bryant Koeneman
  • Lithium ion battery and battery materials
    Patent number: 10998552
    Abstract: In some embodiments, a lithium ion battery includes a first substrate, a cathode, a second substrate, an anode, and an electrolyte. The cathode is arranged on the first substrate and can contain a cathode mixture including LixSy, wherein x is from 0 to 2 and y is from 1 to 8, and a first particulate carbon. The anode is arranged on the second substrate and can contain an anode mixture containing silicon particles, and a second particulate carbon. The electrolyte can contain a solvent and a lithium salt and is arranged between the cathode and the anode. In some embodiments, the first particulate carbon or the second particulate carbon contains carbon aggregates comprising a plurality of carbon nanoparticles, each carbon nanoparticle comprising graphene. In some embodiments, the particulate carbon contains carbon meta particles with mesoporous structures.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: May 4, 2021
    Assignee: LytEn, Inc.
    Inventors: Bruce Lanning, Michael W. Stowell, Bryce H. Anzelmo, George Clayton Gibbs, Shreeyukta Singh, Hossein-Ali Ghezelbash, Prashanth Jampani Hanumantha, Daniel Cook, David Tanner
  • Output electrode base, battery module and battery pack
    Patent number: 10992006
    Abstract: Embodiments of the present disclosure provide a battery pack, a battery module and an output electrode base. The output electrode base includes a base body and a connector, and the connector is a metal structure; the connector includes a securing member and a connecting post, the securing member is secured in the base body, and the connecting post protrudes from the base body; an output electrode connection piece of the battery module is provided with a first installing hole, and the connecting post passes through the first installing hole to be connected with the output electrode connection piece.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: April 27, 2021
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Shengtian Cai, Chuanlian Chen, Yangzhi Huang, Jihua Yao, Daohui Liu
  • Battery system for a vehicle and method for detecting an overheat situation of the battery system
    Patent number: 10992013
    Abstract: A battery system for a vehicle includes: a battery module including a plurality of secondary battery cells; a gas sensor; and a housing accommodating the battery module and the gas sensor. At least a portion of an exterior surface of the battery module and/or at least a portion of an interior surface of the housing is covered by a coating. The coating is configured to emit a gaseous species when a temperature exceeds a reference temperature, and the gas sensor is configured to detect the gaseous species.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG SDI CO., LTD.
    Inventor: Michael Erhart
  • Cathode, metal-air battery including the cathode, and method of manufacturing the cathode
    Patent number: 10991951
    Abstract: A cathode including a metal carbonate and an aqueous electrolyte material on the metal carbonate.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wonsung Choi, Hyunjin Kim, Kyounghwan Choi
  • Electrodes configured to reduce occurrences of short circuits and/or lithium plating in batteries
    Patent number: 10985361
    Abstract: An example method of reducing short circuits from occurring in a battery can include providing a current collector coated with a safety layer. The method can include providing an electrochemically active material film on the safety layer such that the safety layer is configured to reduce exposure of the current collector to an opposing electrode. The method can also include adhering the electrochemically active material film to the current collector via the safety layer.
    Type: Grant
    Filed: August 14, 2019
    Date of Patent: April 20, 2021
    Inventors: Frederic C. Bonhomme, Steve Pierce
  • Battery, battery pack, electronic device, electrically driven vehicle, electric storage device, and electric power system
    Patent number: 10985409
    Abstract: The battery is provided. The battery includes an electrode. The electrode includes a current collector and an active material layer provided on an inside surface of the current collector. The active material layer includes a first region and a second region, where the second region includes an area density lower than the first region, and the second region is provided in a winding-back portion of the active material layer.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: April 20, 2021
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Tomoya Sasaki, Makoto Furukawa