Patents Examined by Stewart A Fraser
  • Patent number: 11962046
    Abstract: Described are systems and methods for directly monitoring the conductivity of the coolant used to regulate the temperature of a fuel cell. The system includes a coolant loop that acts as a conduit for the coolant, an ion exchanger configured to deionize the coolant, and a conductivity sensor configured to output an electrical signal indicating a conductivity of the coolant. The system also includes a processor in communication with the conductivity sensor and a memory having instructions that, when executed by the processor, cause the processor to determine the conductivity of the coolant based on the electrical signal from the conductivity sensor and determine when the ion exchanger requires servicing based on the conductivity of the coolant.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 16, 2024
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Matthew K. McClory, Daniel Charles Folick, Dakota Kelley
  • Patent number: 11962012
    Abstract: A method of producing a negative electrode includes at least the following (A) to (C): (A) mixing powder consisting of lithium titanate oxide particles, a binder, and a solvent to prepare a particle-dispersed liquid; (B) granulating powder consisting of graphite-based particles by using the particle-dispersed liquid to prepare wet granules; and (C) forming the wet granules into a negative electrode composite material layer to produce a negative electrode. The negative electrode composite material layer is formed so as to include the lithium titanate oxide particles in an amount not lower than 2 mass % and not higher than 15 mass % of the total amount of the graphite-based particles and the lithium titanate oxide particles.
    Type: Grant
    Filed: October 1, 2020
    Date of Patent: April 16, 2024
    Inventor: Atsushi Sugihara
  • Patent number: 11961984
    Abstract: A working machine includes an auxiliary system carried by the working machine, one or more batteries and an onboard thermal transfer system. The one or more batteries power an electrical system of the working machine. The onboard thermal transfer system utilizes a coolant configured to remove at least a portion of heat generated by the one or more batteries during charging or discharging of the one or more batteries and using the coolant heated by the thermal transfer system to heat the auxiliary system.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: April 16, 2024
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Nicholas A. Oetken, Cary M Bryant, Tyler S. Burger
  • Patent number: 11955619
    Abstract: A metal-gas battery including: a battery core including: a metal anode; a non-aqueous electrolyte; a porous cathode; and terminals for providing electrical power from the battery core. The metal-gas battery further including a gas generator configured to be activated by electrical power to generate a pressurized gas; and a gas container having an opening through which the generated gas can move from the gas container into the porous cathode to activate the battery core.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: April 9, 2024
    Inventors: Jahangir S Rastegar, Javier Alvare
  • Patent number: 11953831
    Abstract: Provided are a photosensitive composition for pulse exposure including: a coloring material A; a photoradical polymerization initiator B; and a radically polymerizable compound C, in which a content of a radically polymerizable compound C1 having a weight-average molecular weight of 3000 or higher is 70 mass % or higher with respect to a total mass of the radically polymerizable compound C.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: April 9, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Shoichi Nakamura, Takahiro Okawara, Yuki Nara
  • Patent number: 11949063
    Abstract: A rechargeable lithium cell comprising: (a) a cathode having a cathode active material and a first electrolyte in ionic contact with the cathode active material; (b) an anode having an anode current collector but no anode active material and having no lithium metal when the cell is made; (c) an optional porous separator electronically separating the anode and the cathode; and (d) a second electrolyte, comprising a polymer electrolyte in ionic contact with the first electrolyte, wherein the polymer electrolyte is disposed substantially between the anode and the cathode, between the separator and the cathode, and/or between the separator and the anode. The polymer electrolyte substantially does not permeate into the anode or the cathode. Also provided is a method of preparing or operating such an anode-less lithium cell.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: April 2, 2024
    Assignee: Global Graphene Group, Inc.
    Inventors: Hui He, Aruna Zhamu, Bor Z. Jang
  • Patent number: 11949071
    Abstract: Ionic liquids that can be used to solvate cyclic carbonate esters and halogenated analogues thereof are disclosed.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: April 2, 2024
    Assignee: NOHMs Technologies, Inc.
    Inventors: Surya Moganty, Gabriel Torres, Jonathan Lee
  • Patent number: 11949079
    Abstract: The present disclosure relates to a casing for a battery pack and a battery pack. The casing has a receiving space and an opening in communication with the receiving space, the receiving space is formed by a wall portion of the casing, and the wall portion is formed from two or more stacked base plates, between which a plurality of cavities are formed. By forming a plurality of cavities in the wall portion, the casing for a battery pack provided by the present disclosure not only can improve the bearing capacity and the impact resistance of the casing, but also can achieve a thermal management of the battery assembly by filling the plurality of cavities with a phase change material or cooling liquid, which can further improve the mechanical property of the casing with a relatively light weight and relatively high reliability.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: April 2, 2024
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Lei Wang, Linggang Zhou, Xingdi Chen, Peng Wang, Derong Wang
  • Patent number: 11949115
    Abstract: A battery system for providing electric power to a vehicle includes an assembly having battery cells. The battery system also includes a shear wall that is arranged along a lateral side of the assembly to provide structural support. The shear wall is two-part, including a first element and a second element, both of which may be formed from sheet metal and welded together. The first element has a first flange extending away from the lateral side of the assembly, and the second element has a second flange. The first flange and the second flange are layered together to form an interface. The flanges are welded together at the interface, proximal to the assembly, to form a resulting flange that is thicker than either individual flange and that may be mounted to a frame member. The battery system may also include another shear wall on the opposite lateral side.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: April 2, 2024
    Assignee: Rivian IP Holdings, LLC
    Inventors: Nathaniel Wynn, Kyle Butterfield, Tyler Jacobs
  • Patent number: 11949095
    Abstract: A composite solid electrolyte includes: a solid electrolyte; and a protective layer on a surface of the solid electrolyte, wherein the protective layer comprises a compound of Formula 1 LixM1yM2zOt+x/2??Formula 1 wherein in Formula 1, M1 is an element having a Gibbs reaction energy of greater than 0 electron-volts per mole, M2 is an element of Groups 2 to 14, 0<x<1, 0<y<1, 0?z<1, and 0<t?1.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 2, 2024
    Inventors: Wonsung Choi, Dongjoon Lee, Hyunpyo Lee, Kyounghwan Choi
  • Patent number: 11942620
    Abstract: The present disclosure relates to a solid-state electrochemical cell having a uniformly distributed solid-state electrolyte and methods of fabrication relating thereto. The method may include forming a plurality of apertures within the one or more solid-state electrodes; impregnating the one or more solid-state electrodes with a solid-state electrolyte precursor solution so as to fill the plurality of apertures and any other void or pores within the one or more electrodes with the solid-state electrolyte precursor solution; and heating the one or more electrodes so as to solidify the solid-state electrolyte precursor solution and to form the distributed solid-state electrolyte.
    Type: Grant
    Filed: December 6, 2021
    Date of Patent: March 26, 2024
    Inventors: Yong Lu, Zhe Li, Xiaochao Que, Haijing Liu, Meiyuan Wu
  • Patent number: 11938973
    Abstract: A rail vehicle has a vehicle frame, supported on track undercarriages, and a vehicle superstructure with at least one driver's cabin. A motive drive is provided and has an electric motor supplied by an electric energy store. In this, it is provided that the energy store has a tempering by use of a liquid dielectric, and that the vehicle superstructure includes a compartment, separated from the driver's cabin, in which the electric energy store is arranged within at least one fire protection cabinet with a dielectric tank located there above.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: March 26, 2024
    Assignee: Plasser & Theurer Export von Bahnbaumaschinen GmbH
    Inventor: Christian Weitersberger
  • Patent number: 11942667
    Abstract: A fuel cell system and a control method using the same. The fuel cell system includes a propeller wing of a flying object and connected to a rotor, a main radiator and a sub-radiator arranged so that heat of cooling water is dissipated by a downdraft generated by rotation of the propeller wing, and a controller to provide the cooling water to one or both of the main radiator and the sub-radiator based on an operation mode of the flying object.
    Type: Grant
    Filed: February 8, 2022
    Date of Patent: March 26, 2024
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Sung Kyung Choi, Jong Bo Won
  • Patent number: 11929513
    Abstract: A bifunctional catalyst and a preparation method therefor are provided. The bifunctional catalyst is prepared by providing carbon matrix, adding 0.01-10 mol/L platinum containing solution, 0.01-10 mol/L palladium containing solution, 0.01-10 mol/L silver containing solution, and 0.01-15 mol/L sodium citrate trihydrate solution to the carbon matrix for reacting at 20° C. to 80° C. for 0.5 h to 24 h to obtain a mixed solution, and adding reducing agent to the mixed solution for reacting for 0.5 h to 30 h, and centrifuging and drying so as to obtain the bifunctional catalyst.
    Type: Grant
    Filed: January 12, 2022
    Date of Patent: March 12, 2024
    Inventors: Yan Huang, Jinbo Fei, Jiaqi Wang
  • Patent number: 11929505
    Abstract: Methods are disclosed for manufacturing an electrode for use in a device such as a secondary battery. Electrodes may include a first layer having first active particles adhered together by a binder, a second layer having second active particles adhered together by a binder, and an interphase layer interposed between the first and second layers. In some examples, the interphase layer may include an interpenetration of the first and second particles, such that substantially discrete fingers of the first layer interlock with substantially discrete fingers of the second layer.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: March 12, 2024
    Assignee: EnPower, Inc.
    Inventors: Kjell William Schroder, Adrian Yao, Neelam Singh
  • Patent number: 11914290
    Abstract: A device area includes at least a first layer of photoresist and a second layer of photoresist. First layer metrology targets are positioned at an edge of one of the sides of the first layer of the mat. The first layer metrology targets have a relaxed pitch less than a device pitch. Secondary electron and back-scattered electron images can be simultaneously obtained.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: February 27, 2024
    Inventor: Hong Xiao
  • Patent number: 11912853
    Abstract: A binder composition includes a dispersion medium and a group of binder particles. The group of binder particles is dispersed in the dispersion medium. The group of binder particles include a polymer material. The polymer material includes a constitutional unit originated from vinylidene difluoride. The group of binder particles has a number-based particle size distribution. The particle size distribution satisfies the following conditions: “0.19?X?0.26”, “0.69?Y?0.76”, and “0?Z?0.05”. Here, “X” represents a frequency of particles each having a particle size of less than or equal to 40 ?m. “Y” indicates a frequency of particles each having a particle size of more than 40 ?m and less than or equal to 110 ?m. “Z” indicates a frequency of particles each having a particle size of more than 110 ?m and less than or equal to 250 ?m.
    Type: Grant
    Filed: June 4, 2021
    Date of Patent: February 27, 2024
    Inventors: Naoki Osada, Shohei Kawashima, Ryosuke Furuya, Yoshiyuki Nagasawa, Mitsuyasu Sakuma
  • Patent number: 11916271
    Abstract: The present disclosure discloses a stable and high-capacity neutral aqueous redox flow lithium battery based on redox-targeting reaction and belongs to the technical field of flow lithium batteries. The present disclosure solves the technical problem that an existing flow battery can only work at low current density. The flow lithium battery of the present disclosure includes a positive electrode storage tank and a negative electrode storage tank; the positive electrode storage tank is filled with a positive electrolyte; and the negative electrode storage tank is filled with a negative electrolyte. The flow lithium battery is characterized in that the positive electrolyte includes a salt containing [Fe(CN)6]4? and/or [Fe(CN)6]3?, and the positive electrode storage tank is further filled with LFP particles and/or FP particles. The flow lithium battery of the present disclosure has wide application prospects in the field of large-scale energy storage.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: February 27, 2024
    Inventors: Xiaohong Wu, Songtao Lu, Wei Qin, Xin Jia, Yuan Yao, Yang Li
  • Patent number: 11901598
    Abstract: A method and a system for using flow cell batteries with mixed Fe/V electrolytes are provided. An exemplary method includes flowing an anolyte through a first channel in an electrochemical cell, wherein the first channel is formed in the space between an anode current collector and an ion exchange membrane. A catholyte is flowed through a second channel in the electrochemical cell, wherein the second channel is formed in the space between a cathode current collector and the ion exchange membrane, wherein the first channel and the second channel are separated by an ion exchange membrane, and wherein the catholyte includes a mixed electrolyte including both iron and vanadium ions. Ions are flowed through the ion exchange membrane to oxidize the anolyte and reduce the catholyte. An electric current is generated between the anode current collector and the cathode current collector.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: February 13, 2024
    Assignee: Saudi Arabian Oil Company
    Inventors: Ahmad D. Hammad, Issam T. Amr, Zhenguo Yang, Yueqi Liu
  • Patent number: 11894562
    Abstract: Provided herein are three-dimensional ion transport networks and current collectors for electrodes of electrochemical cells. Exemplary electrodes include interconnected layers and channels including an electrolyte to facilitate ion transport. Exemplary electrodes also include three dimensional current collectors, such as current collectors having electronically conducting rods, electronically conducting layers or a combination thereof.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: February 6, 2024
    Assignee: California Institute of Technology
    Inventors: Farshid Roumi, Mahshid Roumi