Patents Examined by Daniel S Gatewood
  • Patent number: 10892475
    Abstract: A manufacturing method of a negative electrode includes: forming, on a belt-shaped copper foil, an active material film formed such that powder including a negative-electrode active material is moisturized and granulated into granulated bodies and the granulated bodies are formed into a film shape; applying a pasty heat resistant layer on the active material film; and drying the active material film and the heat resistant layer. In the applying, an HRL paste including a binder is applied as the heat resistant layer. The drying includes a first drying step, and second and third drying steps subsequent to the first drying step. A preset temperature of a first furnace used in the first drying step is a first temperature, and preset temperatures of a second furnace used in the second drying step and a third furnace used in the third drying step are a second temperature lower than the first temperature.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: January 12, 2021
    Inventor: Masashi Ueda
  • Patent number: 10879516
    Abstract: A busbar includes a coupling plate portion provided between two cell electrodes respectively provided on adjoining two battery cells, and a total of not more than three protrusions protruded on a facing surface of the coupling plate portion so that at least one of the protrusions is in contact with each of the two cell electrodes, the facing surface of the coupling plate portion facing the cell electrodes.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: December 29, 2020
    Inventor: Katsunori Sato
  • Patent number: 10873107
    Abstract: Battery electrolytes comprising: (a) a solvent suitable for use in a battery electrolyte such as an organic liquid solvent or an ionic liquid; (b) a lithium ion or sodium ion salt suitable for use in a battery electrolyte; and (c) a dispersion of nanoparticles of carbon, metal or metalloid oxides or hydroxides, carbides, nitrides, sulfides, graphene or MXene particles; or a combination thereof. The present invention is also directed to battery cells and batteries comprising these electrolytes and devices comprising these battery cells and batteries.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 22, 2020
    Assignee: Drexel University
    Inventors: Yury Gogotsi, Meng-Qiang Zhao, Xin-Bing Cheng
  • Patent number: 10862132
    Abstract: A rechargeable battery includes at least a porous base, a first electrode layer, an ionic conductor layer, and a second electrode layer. The porous base includes a conductive framework. The framework has a three-dimensional network structure. On at least part of a surface of the framework in the interior of the porous base, the first electrode layer, the ionic conductor layer, and the second electrode layer are stacked in this order. The first electrode layer and the second electrode layer have opposite polarities.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: December 8, 2020
    Inventors: Kunimitsu Yamamoto, Tsuyoshi Sasaki, Chikaaki Okuda
  • Patent number: 10862169
    Abstract: The present invention relates to an electrolytic solution for a magnesium battery, formed by mixing a compound represented by the following general formula (I), a Lewis acid or a compound represented by the following general formula (A), and a solvent; and the like. {In the formula, m represents 0 or 2, n represents 2 in a case of m=0 and represents 0 or 1 in a case of m=2, X1 represents a chlorine atom or a bromine atom, and two R1's each independently represent a magnesium chloride oxy group; a magnesium bromide oxy group; an alkyl group which may have a halogeno group or the like as a substituent; an alkoxy group; an aryl group which may have an alkoxy group or the like as a substituent; an aryloxy group which may have an alkoxy group or the like as a substituent; or a group represented by the following general formula (1), and two R1's may also form the following general formula (2).
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: December 8, 2020
    Inventors: Kazuhiko Sato, Goro Mori, Hiromi Watahiki, Kuniaki Okamoto, Nobutaka Shimamura
  • Patent number: 10862166
    Abstract: The present invention relates to a non-aqueous electrolyte solution for a lithium secondary battery, which includes a compound capable of suppressing an electrolyte solution side reaction in a high-temperature and high-voltage environment, and a lithium secondary battery in which cycle characteristics and stability are improved even during high-temperature and high-voltage charging by including the same.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: December 8, 2020
    Inventors: Sung Hoon Yu, Kyung Mi Lee, Shul Kee Kim, Hyun Yeong Lee, Yoo Sun Kang
  • Patent number: 10854919
    Abstract: A solid polymer electrolyte for a battery is disclosed. The solid polymer electrolyte includes solid polymer electrolyte including a diblock copolymer AB or a triblock copolymer of the BAB type, in which block A is an unsubstituted polyethylene oxide chain having a number-average molecular weight less than 80,000 g/mol; block B is an anionic polymer prepared from one or more monomers selected from vinyl monomers and derivatives thereof to which is grafted an anion of lithium salt, and a second monomer having cross-linking functions.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: December 1, 2020
    Inventors: Alain Vallee, Patrick Leblanc, Brieuc Guillerm
  • Patent number: 10847839
    Abstract: An electrochemical cell includes a cathode active material, lithium metal, a separator, and an electrolyte comprising a lithium salt, an organic aprotic solvent and a fluorinated sulfone represented by Formula II:
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: November 24, 2020
    Inventors: Chi Cheung Su, Khalil Amine, Meinan He
  • Patent number: 10833297
    Abstract: A jelly roll tape for a rechargeable battery and a rechargeable battery having the same are disclosed. In one aspect, the jelly roll tape includes a first adhesive layer configured to develop an adhesive property based at least in part on a reaction with an electrolytic solution and a second adhesive layer formed on at least one surface of the first adhesive layer. The second adhesive layer is formed at least partially of a rubber-based material.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: November 10, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jeongchull Ahn, Seongja Noh
  • Patent number: 10829377
    Abstract: Provided is a method the enables easy production of bis(fluorosulfonyl)imide suitable for a non-aqueous electrolytic solution for a lithium ion secondary battery, etc. The method for producing a bis(fluorosulfonyl)imide alkali metal salt according to the present invention comprises reacting bis(fluorosulfonyl)imide with an alkali metal compound in a reaction solution containing an organic solvent, wherein the organic solvent includes at least one organic solvent (A) selected from the group consisting of carbonate solvents, cyclic ether solvents, linear ether solvents having two or more oxygen atoms in the molecule, cyclic ester solvents, sulfolane solvents, N,N-dimethyl formamide, dimethyl sulfoxide, and N-methyl oxazolidinone.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: November 10, 2020
    Inventors: Yasunori Okumura, Hiromoto Katsuyama, Naohiko Itayama, Hiroyuki Mizuno, Yukihiro Fukata
  • Patent number: 10833336
    Abstract: A manufacturing method of a separator for a fuel cell, includes: setting a metal plate and first and second electro-conductive resin sheets between first and second dies; and forming a flow channel in the metal plate and the first and second electro-conductive resin sheets by hot pressing with the first and second dies.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: November 10, 2020
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Hideaki Tanaka
  • Patent number: 10826061
    Abstract: It is an object to provide a metal-air battery and a method for removing an oxide film that can appropriately remove an oxide film while reducing waste of power required for removing the oxide film. The metal-air battery of the present invention includes a battery main body portion in which a metal electrode and an air electrode are arranged so as to be opposed to each other through an electrolytic solution, a USB terminal to which an external load is connected, and a controller for electrically connecting the battery main body portion and the USB terminal, the controller includes a microcomputer for determining connection or disconnection of an external load to or from the USB terminal, and when the microcomputer confirms the connection of the external load, a current for removing an oxide film is made to flow through a circuit including the metal electrode, the air electrode, and an oxide film removing resistor.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: November 3, 2020
    Inventors: Masaki Takahashi, Yuka Amamori, Hiroshi Sakama
  • Patent number: 10826076
    Abstract: Disclosed herein are embodiments of a patterned electrode comprising regions of catalyst and segregating regions that separate the regions of catalyst. The segregating regions may be regions of non-catalytic material. The catalyst regions may correspond to the channels of a flow field. The electrode provides improved fuel cell performance, particularly at high current densities. The electrode may be for all suitable applications, such as in a membrane electrode assembly and/or a fuel cell. Also disclosed is a method for making the patterned electrode. The method may comprise using masks to apply the catalyst and non-catalyst material to a substrate.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: November 3, 2020
    Assignee: Triad National Security, LLC
    Inventors: Natalia Macauley, Siddharth Komini Babu, Rangachary Mukundan, Mahlon S. Wilson, Rodney L. Borup, Stephen Grot
  • Patent number: 10826114
    Abstract: The invention relates to Chevrel-phase materials and methods of preparing these materials utilizing a precursor approach. The Chevrel-phase materials are useful in assembling electrodes, e.g., cathodes, for use in electrochemical cells, such as rechargeable batteries. The Chevrel-phase materials have a general formula of Mo6Z8 and the precursors have a general formula of MxMo6Z8. The cathode containing the Chevrel-phase material in accordance with the invention can be combined with a magnesium-containing anode and an electrolyte.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: November 3, 2020
    Inventors: Prashant N. Kumta, Partha Saha, Moni Kanchan Datta, Ayyakkannu Manivannan
  • Patent number: 10823072
    Abstract: A passive fuel additives dosing system includes a membrane-based contactor within a cartridge, an additive within the membrane-based contactor, a fuel inlet to the cartridge and a fuel outlet from the cartridge. The membrane-based contactor is arranged within the cartridge such that, with fuel in the cartridge, a fuel contact area with the membrane-based contactor is dependent on a fuel flow rate to passively dispense a proportional amount of the additive into the fuel.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: November 3, 2020
    Assignee: Raytheon Technologies Corporation
    Inventors: Zissis A. Dardas, Haralambos Cordatos, Ying She
  • Patent number: 10826090
    Abstract: A method for controlling a fuel cell system is a method for controlling a fuel cell system including a solid oxide fuel cell which generates a power upon receiving supplies of an anode gas and a cathode gas. The method for controlling the fuel cell system includes; as a stop control of the fuel cell, stopping a supply of the anode gas while continuing a supply of the cathode gas to the fuel cell, and shutting off a discharge side of an anode of the fuel cell; and carrying out an additional control to supply the anode gas to the fuel cell during the stop control and/or an additional control to decrease the flow rate of the cathode gas during the stop control.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: November 3, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventor: Susumu Maeshima
  • Patent number: 10826111
    Abstract: This disclosure relates to semi-solid electrodes which are pre-formed prior to inclusion in lithium ion batteries, lithium ion batteries which incorporate the semi-solid electrodes and methods of making the semi-solid electrodes. An electrochemical cell includes a semi-solid anode formed of anode active material injected with an electrolyte and a first electrolyte additive, the semi-solid anode having a first SEI layer; and a semi-solid cathode formed of a cathode active material injected with an additional electrolyte and a second electrolyte additive, the semi-solid cathode having a second SEI layer, wherein the first electrolyte additive and the second solid electrolyte additive are different.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: November 3, 2020
    Assignee: Gotion, Inc.
    Inventors: Qian Cheng, Steven Cai
  • Patent number: 10818890
    Abstract: A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing includes a cover and a case. The electrode assembly includes an anode tab and a cathode tab that are coupled to the cover and to a feedthrough pin disposed on the cover. The coupling of the anode tab to the cover defines an anode terminal while the coupling of the cathode tab to the feedthrough pin defines the cathode terminal. The anode and cathode tabs are aligned with the feedthrough pin and the connection point at the cover such that the tabs and feedthrough pin overlap each other along a common plane that is perpendicular to a plane that is defined by a major surface of the cover.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: October 27, 2020
    Assignee: Medtronic, Inc.
    Inventors: Vadim A. Yakovlev, Kenneth Michie
  • Patent number: 10816608
    Abstract: A monitoring device includes a monitoring section and a wiring section for electrically connecting the monitoring section and a battery cell. A first and a second electrode terminal groups are reversely arranged. The wiring section includes a first wiring section for electrically connecting the first electrode terminal group and the monitoring section, and a second wiring section for electrically connecting the second electrode terminal group and the monitoring section. The first wiring section has a first substrate and a first wiring pattern, and the second wiring section has a second substrate and a second wiring pattern. The second substrate has a lateral connecting space where a first end side of the second wiring pattern is disposed and a longitudinal connecting space where a second end side of the second wiring pattern is disposed, and the second substrate is bent such that the spaces are opposed to each other.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: October 27, 2020
    Inventors: Masahiko Ito, Hayato Mizoguchi
  • Patent number: 10818939
    Abstract: Provided is a redox flow battery in which damage is unlikely to occur in a membrane. A redox flow battery includes a pair of adjacent cell frames, each cell frame including a frame body in which a flow channel for an electrolyte is formed, and a bipolar plate disposed inside the frame body; a positive electrode and a negative electrode disposed so as to face each other between the bipolar plates of the pair of cell frames; a membrane interposed between the positive electrode and the negative electrode; a protection plate which covers the flow channel and presses edge portions of the positive electrode or the negative electrode toward the bipolar plate; and a membrane protection structure which prevents the membrane from being broken by contact between the protection plate and the membrane.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: October 27, 2020
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Kosuke Shiraki, Takashi Kanno, Takefumi Ito, Masahiro Kuwabara, Hideyuki Yamaguchi, Hayato Fujita, Kiyoaki Hayashi, Kiyoaki Moriuchi