Patents Examined by Cynthia H. Kelly
  • Patent number: 11569550
    Abstract: An electrode including an integrated separator for use in an electrochemical device may include one or more active material layers, and a separator layer comprising inorganic particles. An interlocking region may couple the separator layer to an adjacent active material layer. In some examples, the interlocking region may include interlocking fingers formed by an interpenetration of active material particles of the active material layers with ceramic particles of the separator.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: January 31, 2023
    Assignee: EnPower, Inc.
    Inventors: Adrian Yao, Jonathan Hwang
  • Patent number: 11569509
    Abstract: Material compositions are provided that may comprise, for example, a vertically aligned carbon nanotube (VACNT) array, a conductive layer, and a carbon interlayer coupling the VACNT array to the conductive layer. Methods of manufacturing are provided. Such methods may comprise, for example, providing a VACNT array, providing a conductive layer, and bonding the VACNT array to the conductive layer via a carbon interlayer.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: January 31, 2023
    Inventors: Gleb Nikolayevich Yushin, Kara Linn Evanoff
  • Patent number: 11560320
    Abstract: A solid electrolyte material contains Li, M, and X. M is at least one selected from metallic elements, and X is at least one selected from the group consisting of Cl, Br, and I. A plurality of atoms of X form a sublattice having a closest packed structure. An average distance between two adjacent atoms of X among the plurality of atoms of X is 1.8% or more larger than a distance between two adjacent atoms of X in a rock-salt structure composed only of Li and X.
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 24, 2023
    Inventors: Tetsuya Asano, Akihiro Sakai, Masashi Sakaida, Yusuke Nishio
  • Patent number: 11563247
    Abstract: A cold ambient battery chilling mode of an electric vehicle may be implemented if the vehicle battery is being charged when the ambient air temperature is low and a temperature of the battery is elevated. During cold ambient charging, coolant flows through a heater core and through a battery heat exchanger. Cold ambient air may be utilized to cool the coolant flowing through the heater core, and coolant from the heater core flows through the battery heat exchanger and cools the battery during charging. A battery chiller may be deactivated when the cold ambient battery chilling mode is activated to reduce energy consumption.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: January 24, 2023
    Assignee: Ford Global Technologies, LLC
    Inventors: Manfred Koberstein, Jennifer A. Herr-Rathke, William Stewart Johnston, Hamish Lewis, Christian Brent Schoeneman, Alan Gutowski
  • Patent number: 11557787
    Abstract: The present disclosure relates to a secondary battery module including a nonaqueous electrolyte secondary battery and an elastic body. The elastic body has a compressive elastic modulus of 5 MPa to 120 MPa. The positive electrode includes a positive electrode collector with a thermal conductive rate of 65 W/(m·K) to 150 W/(m·K). The negative electrode includes a negative electrode active material layer including a first layer and a second layer sequentially formed from a side with the negative electrode collector. The first layer contains first carbon-based active material particles with a 10% proof stress of 3 MPa or less. The second layer contains second carbon-based active material particles with a 10% proof stress of 5 MPa or greater.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: January 17, 2023
    Inventors: Yuki Morikawa, Takuya Asari, Harunari Shimamura, Kouhei Tsuzuki, Katsunori Yanagida, Yo Kato
  • Patent number: 11552309
    Abstract: An electrochemical device comprises a stack consisting of a plurality of electrochemical units which succeed one another along a stack direction and which each include a membrane electrode arrangement, a bipolar plate and at least one sealing element, at least one medium channel which extends along the stack direction, a flow field through which a medium can flow from the medium channel to another medium channel, and a connection channel through which the flow field and the medium channel are in fluid connection with one another, wherein the sealing arrangement includes a connection channel region in which the sealing arrangement crosses the connection channel, and at least one neighboring region which is located in front of or behind the connection channel region in the longitudinal direction of the sealing arrangement, wherein the sealing arrangement has a lower average height in the connection channel region than in the neighboring region.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: January 10, 2023
    Assignee: ElringKlinger AG
    Inventors: Juergen Kraft, Peter Stahl, Michael Goetz, Manuel Morcos
  • Patent number: 11552299
    Abstract: A method of forming a battery electrode by forming, on a first substrate, a polymer template comprising interconnected polymer fibers, forming, on the polymer template, a carbon coating to form a carbon-coated polymer template, removing the carbon-coated polymer template from the first substrate, subsequent to removing the carbon-coated polymer template from the first substrate, removing the polymer template from the carbon coating, and disposing the carbon coating on a second substrate. A solid electrolyte interphase layer (SEI) comprising the carbon coating produced via the method, a battery electrode comprising such an SEI layer, and a battery comprising such a battery electrode are also provided.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: January 10, 2023
    Inventors: Zhifeng Ren, Siya Huang
  • Patent number: 11545693
    Abstract: The present invention relates to a flag forming device after laser notching of a secondary battery for an electric vehicle, and particularly, to a flag forming device after laser notching of a secondary battery for an electric vehicle configured by stacking electrode rolls within a circular box, which makes a flag shape by notching an uncoated portion having no coating of a negative electrode and a positive electrode with a laser, and makes the uncoated flag made by laser notching pass through a flag forming unit before winding to enable an uncoated tap to be folded inward.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: January 3, 2023
    Inventor: Kye-Seol Lee
  • Patent number: 11539078
    Abstract: An electrolytic solution comprising N-(fluorosulfonyl)-N-(fluoroalkylsulfonyl)imide or di(fluorosulfonyl)imide, from which a residual solvent that affects the properties of the electrolyte solution material is reduced, is provided. A method for producing an electrolyte solution material containing fluorosulfonyl imide salt represented by the following general formula (1) and an electrolyte solution preparation solvent comprises decompressing and/or heating a solution containing the fluorosulfonyl imide salt and the electrolyte solution preparation solvent to volatilize a production solvent for the fluorosulfonyl imide salt. In general formula (1), R1 represents a fluorine atom or a fluorinated alkyl group having 1 to 6 carbon atoms, R2 represents an alkali metal ion.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: December 27, 2022
    Inventors: Yasunori Okumura, Shimpei Sato, Masayuki Okajima, Takayuki Kobatake, Hiromoto Katsuyama
  • Patent number: 11532812
    Abstract: An all-solid lithium ion secondary battery includes a pair of electrodes and a solid electrolyte provided between the pair of electrodes. At least one of the pair of electrodes includes an active-material layer and an intermediate layer. An active material constituting the active-material layer has a core-shell structure which has a core region and a shell region and a composition of the intermediate layer is intermediate between the solid electrolyte and the shell region.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 20, 2022
    Inventors: Hiroshi Sato, Masahiro Oishi, Haruna Kato, Taisuke Masuko, Tomohiro Yano
  • Patent number: 11532861
    Abstract: A battery device and a method for producing a battery device for a motor vehicle. In said method, a cooling base element and a battery module are provided, and the battery module is mounted on the cooling base element, forming at least one gap between a battery module region and a cooling base region. A filling device is then coupled to at least one filling opening of at least one filling tube, with the at least one filling tube extending into the at least one gap, and a heat conducting medium is introduced from the filling device through the filling tube into the at least one gap.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: December 20, 2022
    Assignee: AUDI AG
    Inventors: Marc Gormanns, Tobias Benker, Michael Frauenhofer, Oliver Schieler, Michael Schüßler
  • Patent number: 11529995
    Abstract: A hollow-chamber profile for fastening a battery module in a vehicle includes a first side wall and a second side wall which lies opposite the first side wall, where the first side wall and the second side wall are connected to one another via a bottom wall. Additionally, the hollow-chamber profile has a top wall which lies opposite the bottom wall, where the top wall is designed to interact with at least one fastening device for fastening the battery module. The hollow-chamber profile has at least one intermediate wall which extends between the side walls from the top wall in the direction of the bottom wall, where a wall thickness of the at least one intermediate wall is dimensioned in such a way that the fastening device can be introduced at least partially into the wall thickness of the at least one intermediate wall.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: December 20, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Simon Haerle, Philip Raettich
  • Patent number: 11532832
    Abstract: All-vanadium sulfate redox flow battery systems have a catholyte and an anolyte comprising an aqueous supporting solution including chloride ions and phosphate ions. The aqueous supporting solution stabilizes and increases the solubility of vanadium species in the electrolyte, allowing an increased vanadium concentration over a desired operating temperature range. According to one example, the chloride ions are provided by MgCl2, and the phosphate ions are provided by (NH4)2HPO4.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: December 20, 2022
    Assignee: Battelle Memorial Institute
    Inventors: Zimin Nie, Wei Wang, Xiaoliang Wei, Bin Li, Jun Liu, Vincent L. Sprenkle
  • Patent number: 11527777
    Abstract: The present disclosure provides a non-aqueous electrolyte for a lithium-ion battery and a lithium-ion battery using the non-aqueous electrolyte. The non-aqueous electrolyte includes (a) a lithium, (b) a non-aqueous organic solvent, and (c) at least one compound represented by formula 1; where the non-aqueous electrolyte further includes at least one of the following components (d) and (e): (d) a nitrile compound including at least one of 1,3,6-hexane trinitrile, glycerol trinitrile, and 3-methoxypropionitrile, and (e) vinyl sulfate. Through the synergy effect between them, the positive electrode is protected and meanwhile the negative electrode is also be protected to a certain extent, and an impedance of a film is lowered. The battery has an excellent high temperature storage performance, high temperature cycle performance and low temperature charge and discharge performance.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: December 13, 2022
    Inventors: Changan Zeng, Suli Li
  • Patent number: 11522172
    Abstract: A negative electrode for a lithium metal battery, a manufacturing method thereof, and a lithium battery including the same. An adhesive layer including a binder and a conductive material between the negative current collector and the negative active material improves conductivity while also improving adherence between a negative current collector and a negative active material of the lithium battery.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: December 6, 2022
    Inventor: Jeong In Yu
  • Patent number: 11522242
    Abstract: The battery pack has a laminated body in which unit cells are laminated one on another, a cell case having a first opening and containing the laminated body, and a first lid member to tightly close the first opening. The first opening is positioned to face, in connection with a unit cell laminated direction, a first face of the laminated body. The first lid member is configured to, if an internal pressure of the cell case is lower than atmospheric pressure, deform while keeping the tightly closing state, come into contact with the first face of the laminated body, and apply a pressure based on a differential pressure between atmospheric pressure and the internal pressure of the cell case to the contacting face.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: December 6, 2022
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hajime Satou, Yasuhiko Ohsawa, Yuki Kusachi, Hiroshi Akama, Hideaki Horie, Yusuke Mizuno, Yusuke Emori, Takahiro Imaishi
  • Patent number: 11522256
    Abstract: A secondary battery includes: an electrode assembly including a first electrode plate and a second electrode plate, and electrode uncoated portions protruding at opposite sides of the electrode assembly, a case accommodating the electrode assembly; a current collector including an electrode connecting portion located at a region corresponding to an electrode uncoated portion of the electrode uncoated portions and including a coupling groove located in a surface of the electrode connecting portion, and a terminal connecting portion bent from the electrode connecting portion and extending over the electrode assembly; and a sub-tab including a first region coupled to the coupling groove, and a second region bent from the first region and connected to the electrode uncoated portion.
    Type: Grant
    Filed: February 20, 2020
    Date of Patent: December 6, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyun Soo Lee, Ho Jun Shin, Jun Min Choi, Sang Won Kim, Sang Won Byun
  • Patent number: 11522213
    Abstract: A lithium battery comprises cathode active material comprising particles of a transition metal oxide, each particle coated in an ion-conducting material that has an electrochemical stability window against lithium of at least 2.2 V, a lowest electrochemical stability being less than 2.0 V and a highest electrochemical stability being greater than 4.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: December 6, 2022
    Assignees: Nissan North America, Inc., United States of America as Represented by the Administrator of NASA
    Inventors: Shigemasa Kuwata, Hideyuki Komatsu, Maarten Sierhuis, Balachandran Gadaguntla Radhakrishnan, Shreyas Honrao, John Lawson
  • Patent number: 11515537
    Abstract: An energy storage device includes a negative electrode having a negative active material layer containing amorphous carbon as an active material, a curve attained by determining a rate of change (dQ/dV) in a potential (V) of the amorphous carbon in a discharge capacity (Q) of the amorphous carbon per unit quantity based on a result attained by measuring the potential (V) with respect to the discharge capacity (Q) and representing the rate of change (dQ/dV) with respect to the potential (V) has one or more peaks in a range in which the potential of the amorphous carbon is 0.8 V or more and 1.5 V or less, and a potential of the negative electrode at time of full charge is 0.25 V or more with respect to a lithium potential.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: November 29, 2022
    Inventors: Tomonori Kako, Akihiko Miyazaki, Masashi Takano, Kenta Nakai, Ukyo Harinaga
  • Patent number: 11515605
    Abstract: Provided is a battery module. The battery module includes: a plurality of battery cells each including an electrode terminal; and a bus bar connected to the electrode terminals of the battery cells neighboring each other to electrically connect the battery cells, the bus bar including a first bus bar and a second bus bar that are superposed on each other and include different metals, each of the first and second bus bars making conductive contact with the electrode terminals. Therefore, the thermal and electrical characteristics of the bus bar electrically connecting the neighboring battery cells to each other may be improved while improving weldability between the bus bar and electrode terminals.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: November 29, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Wonsung Kim