Patents Examined by Monique M. Wills
  • Diatomaceous energy storage devices
    Patent number: 11673811
    Abstract: A printed energy storage device includes a first electrode, a second electrode, and a separator between the first and the second electrode. At least one of the first electrode, the second electrode, and the separator includes frustules, for example of diatoms. The frustules may have a uniform or substantially uniform property or attribute such as shape, dimension, and/or porosity. A property or attribute of the frustules can also be modified by applying or forming a surface modifying structure and/or material to a surface of the frustules. A membrane for an energy storage device includes frustules. An ink for a printed film includes frustules.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: June 13, 2023
    Assignee: Printed Energy Pty Ltd
    Inventors: Vera N. Lockett, John G. Gustafson, Mark D. Lowenthal, William J. Ray
  • Ultrastable rechargeable manganese battery with solid-liquid-gas reactions
    Patent number: 11664497
    Abstract: A rechargeable manganese battery includes: (1) a first electrode including a porous, conductive support; (2) a second electrode including a catalyst support and a catalyst disposed over the catalyst support; and (3) an electrolyte disposed between the first electrode and the second electrode to support reversible precipitation and dissolution of manganese at the first electrode and reversible evolution and oxidation of hydrogen at the second electrode.
    Type: Grant
    Filed: June 6, 2022
    Date of Patent: May 30, 2023
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Wei Chen, Yi Cui
  • Recovery of materials from electrode scraps and spent lithium-ion batteries via a green solvent-based separation process
    Patent number: 11664542
    Abstract: A method for recycling lithium-ion battery materials is provided. The method includes isolating a composite electrode comprising an electrode material adhered to a current collector with a polyvinylidene difluoride (PVDF) binder. The composite electrode is combined with triethyl phosphate (TEP) as a solvent to form a mixture. The electrode material is delaminated from the current collector in the mixture to give a free electrode material and a free current collector. Each of the free electrode material and the free current collector is recovered from the mixture. The free electrode material may be reused to prepare another composite electrode, as well as a lithium-ion battery comprising the same, which are also disclosed.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: May 30, 2023
    Assignee: UT-BATTELLE, LLC
    Inventors: Ilias Belharouak, Yaocai Bai, Rachid Essehli
  • Cathode active material and fluoride ion battery
    Patent number: 11664496
    Abstract: A main object of the present disclosure is to provide a cathode active material with excellent capacity properties. In order to achieve the object, the present disclosure provides a cathode active material to be used in a fluoride ion battery wherein the cathode active material mainly contains a metal element M and a metal element M?; the metal element M is at least one kind of Cu, Fe and Mn; and the metal element M? is at least one kind of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho and Yb.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: May 30, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideki Iba, Takeshi Tojigamori
  • Lead-acid battery
    Patent number: 11658347
    Abstract: A lead-acid battery includes a positive electrode plate, a negative electrode plate, and an electrolyte solution, in which the positive electrode plate includes a positive current collector and a positive electrode material, the negative electrode plate includes a negative current collector and a negative electrode material, the positive current collector contains Sn in an amount of 0.95% by mass or more, the negative electrode material contains a polymer compound, and the polymer compound has a peak in a range of 3.2 ppm or more and 3.8 ppm or less in a chemical shift of 1H-NMR spectrum, or the polymer compound contains a repeating structure of oxy C2-4 alkylene units.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: May 23, 2023
    Assignee: GS Yuasa International Ltd.
    Inventors: Yasuyuki Hamano, Hiroki Kagohashi
  • Method for recycling positive plate of lithium-ion battery
    Patent number: 11646460
    Abstract: A method for recycling a lithium iron phosphate positive plate with low energy consumption and low Al content, including: crushing a lithium iron phosphate positive plate to be recycled into a granular material with a particle size of 1-15 mm by using a crusher; heating the granular material obtained in step (1) to 350-500° C. in an atmosphere furnace in an inert atmosphere; and keeping the granular material at 350-500° C. for 0.5-2 h followed by cooling to a preset temperature to obtain a calcined product; grinding the calcined product obtained in step (2) by using a grinder to obtain a ground product with D50 larger than or equal to 50 ?m; and classifying the ground product obtained in step (3) by using an air classifier to remove Al simple substance to obtain a recovered positive material with an Al content below 200 ppm.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: May 9, 2023
    Assignee: Wuhan Rikomay New Energy Co., Ltd.
    Inventors: Yuancheng Cao, Weixin Zhang, Shun Tang, Yuzhen Zhao, Shouding Li
  • Recombination system having a recombination device
    Patent number: 11646459
    Abstract: Recombination system having a recombination device for catalytically recombining hydrogen and oxygen arising in storage batteries to form water, wherein the recombination device comprises at least one catalyst material in at least one subregion above a center line of the recombination device in relation to a position of a retainer of the recombination system for the recombination device has a first partial amount of the catalyst material, wherein the first partial amount is greater than a second partial amount of the catalyst material, which second partial amount is located originating from the center line of the recombination device toward the retainer.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: May 9, 2023
    Assignee: BAE BATTERIEN GMBH
    Inventors: Michael Schiemann, Julia-Beatrix Ross
  • Metallic salt containing anion having heterocyclic aromatic structure, method of preparing the metallic salt, and electrolyte and electrochemical device each including the metallic salt
    Patent number: 11643398
    Abstract: A metallic salt including at least one anion having a heterocyclic aromatic structure represented by one of Formulae 1 to 3; and a metallic cation: wherein, in Formulae 1 to 3, each X is independently N, P, or As, one of A1 and A2 is an electron-donating group, and the other one is an electron-withdrawing group, ring Ar1 and ring Ar2 are as defined herein, L is a linker group as defined herein, m is an integer from 1 to 5, and n is an integer from 0 to 5.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: May 9, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Myungjin Lee, Victor Roev, Hongsoo Choi, Dongmin Im, Yoonhyun Kwak, Sangbok Ma, Minsik Park, Sungjun Park
  • Propylene carbonate-based electrolyte with extended long cycle life
    Patent number: 11646450
    Abstract: An electrolyte is provided. The electrolyte includes a solvent containing propylene carbonate (PC); a lithium salt dissolved in the solvent; a first additive dissolved in the solvent, the first additive being configured to stabilize an anode solid electrolyte interphase; a second additive dissolved in the solvent, the second additive being configured to stabilize at least one of an anode, a cathode, or the lithium salt; and a third additive dissolved in the solvent, the third additive being configured to stabilize at least one of an anode, a cathode, or the lithium salt. The first, second, and third additives are chemically distinct. Electrochemical cells including the electrolyte are also provided.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: May 9, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Li Yang, Umamaheswari Viswanathan, Mary E. Fortier
  • Rechargeable battery and electrolyte solution
    Patent number: 11646446
    Abstract: A rechargeable battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The electrolyte solution contains water and one or more lithium salts, and the lithium salts include lithium fluorophosphate.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: May 9, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenji Matsubara, Nobuhiko Hojo, Hiroyuki Matsumoto, Takayuki Nakatsutsumi, Kazuhiro Iida, Atsushi Fukui
  • Ion trapping agent, separator for lithium ion battery, and lithium ion secondary battery
    Patent number: 11641045
    Abstract: An ion trapping agent which is a layered phosphate compound that includes a proton as an ion exchange group, that supports lithium ions in excess of a theoretical exchange capacity of the layered phosphate compound, and that has no water of crystallization; and a separator for a lithium ion battery or a lithium ion secondary battery containing the ion trapping agent.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: May 2, 2023
    Assignee: TOAGOSEI CO., LTD.
    Inventor: Yasuharu Ono
  • Diatomaceous energy storage devices
    Patent number: 11637292
    Abstract: The disclosed technology generally relates to energy storage devices, and more particularly to energy storage devices comprising frustules. According to an aspect, a supercapacitor comprises a pair of electrodes and an electrolyte, wherein at least one of the electrodes comprises a plurality of frustules having formed thereon a surface active material. The surface active material can include nanostructures. The surface active material can include one or more of a zinc oxide, a manganese oxide and a carbon nanotube.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: April 25, 2023
    Assignee: Printed Energy Pty Ltd
    Inventors: Vera N. Lockett, Yasser Salah, John G. Gustafson, William J. Ray, Sri Harsha Kolli
  • Methods and devices for high-capacity flexible, printable, and conformal periodate and iodate batteries
    Patent number: 11637328
    Abstract: Development of a flexible battery based on periodate/iodate-zinc system is disclosed. H3PO4—KCl dual quasi-solid electrolytes separated by an anion-exchange-membrane maintain the desired pH in electrodes and block unwanted ion movements. Poly(acrylic acid) fortifies the electrodes, enhances electrode flexibility, and avoids the free-flow of liquids. The NaMnIO6 shows a specific capacity of 650 mAg?1, approximately 81% of its theoretical capacity even when cells are bent. The overall technology is scalable by printing methods.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: April 25, 2023
    Assignee: New Jersey Institute of Technology
    Inventors: Somenath Mitra, Zhiqian Wang
  • Lithium ion battery electrolytes and electrochemical cells including the same
    Patent number: 11637324
    Abstract: An electrolyte for a lithium ion battery includes a nonaqueous aprotic organic solvent and a lithium salt dissolved in the organic solvent. The organic solvent includes a cyclic carbonate, an acyclic carbonate, and an acyclic fluorinated ether for improved low temperature and high voltage performance as well as enhanced thermostability. The ether group has a general formula of R1—O—[R3—O]n—R2, where n=0 or 1, R1 and R2 are each straight-chain C1-C6 fluoroalkyl groups, and, when n=1, R3 is a methylene group or a polyethylene group.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: April 25, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Meinan He, Mei Cai
  • Ternary salts electrolyte for a phospho-olivine positive electrode
    Patent number: 11637321
    Abstract: An electrochemical cell according to various aspects of the present disclosure includes a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes a positive electroactive material. The positive electroactive material includes a phospho-olivine compound. The negative electrode includes lithium metal. The separator is between the positive electrode and the negative electrode. The separator is electrically insulating and ionically conductive. The electrolyte includes a ternary salt and a solvent. The ternary salt includes LiPF6, LiFSI, and LiClO4.
    Type: Grant
    Filed: January 26, 2021
    Date of Patent: April 25, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Meinan He, Mei Cai
  • Positive electrode material, positive electrode and battery employing the same
    Patent number: 11631858
    Abstract: A positive electrode material, a positive electrode, and a battery employing the same are provided. The positive electrode material includes an active particle and a modified layer covering the surface of the active particle. The modified layer is a reaction product of a composition. The composition includes an ionic conductive ceramic compound, an organic conductive compound, and a coupling agent. In the disclosure, the ionic conductive ceramic compound is 50-84 parts by weight, the organic conductive compound is 16-50 parts by weight, and the total weight of the ionic conductive ceramic compound and the organic conductive compound is 100 parts by weight. In the disclosure, the weight percentage of the coupling agent is from 0.05 wt % to 10 wt %, based on the total weight of the ionic conductive ceramic compound and the organic conductive compound.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: April 18, 2023
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Guan-Lin Lai, Chen-Chung Chen, Yu-Han Li, Jung-Mu Hsu
  • Electrode including metal nanoparticles having conductive polymer shell and conductive film and method for manufacturing the same
    Patent number: 11631864
    Abstract: Disclosed are an electrode including a polymer matrix and a catalyst including metal nanoparticles and a conductive polymer shell and, a method of preparing the same. According to various exemplary embodiments of the present invention, various hybrid nano-composites may be formed by a combination of other conductive polymers than P3HT with metal nanoparticles. For example, the method may include selectively disposing metal nanoparticles to a surface modified conductive polymer including a block copolymer of two or more types of conductive polymers.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: April 18, 2023
    Assignees: Hyundai Motor Company, Kia Corporation, Korea Advanced Institute of Science and Technology
    Inventors: You Jung Song, Hong Seok Yun, Jin Seong Kim, Bum Joon Kim, Young Kwon Kim
  • Liquid reserve batteries for low temperature activation and performance in munitions
    Patent number: 11626596
    Abstract: A liquid reserve battery including: a collapsible storage unit having a collapsible cavity for storing a liquid electrolyte therein; and a battery cell in communication with an outlet of the collapsible storage unit, the battery cell having gaps dispersed therein. Wherein the collapsible storage unit comprises a plurality of triangular sidewalls; and the plurality of triangular sidewalls being configured to collapse in a longitudinal direction about a hinge disposed between adjacent sides of each of the plurality of triangular sidewalls.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: April 11, 2023
    Assignee: OMNITEK PARTNERS LLC
    Inventor: Jahangir S Rastegar
  • Silicon-containing electrochemical cells and methods of making the same
    Patent number: 11626591
    Abstract: An electrochemical cell is provided herein as well as methods for preparing electrochemical cells. The electrochemical cell includes a negative electrode and a positive electrode. The negative electrode includes a prelithiated electroactive material including a lithium silicide. Lithium is present in the prelithiated electroactive material in an amount corresponding to greater than or equal to about 10% of a state of charge of the negative electrode. The electrochemical cell has a negative electrode capacity to positive electrode capacity for lithium (N/P) ratio of greater than or equal to about 1, and the electrochemical cell is capable of operating at an operating voltage of less than or equal to about 5 volts.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: April 11, 2023
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Xingcheng Xiao, Mark W. Verbrugge, Xingyi Yang, Lei Wang, Raghunathan K
  • Composite positive electrode active material for lithium secondary battery, method of preparing the same, positive electrode for lithium secondary battery including the same, and lithium secondary battery including the positive electrode
    Patent number: 11621419
    Abstract: A method of preparing a composite positive electrode active material for a lithium secondary battery includes surface-treating a nickel-based active material using carbon dioxide to form a lithium carbonate layer on the surface of the nickel-based active material, mixing the nickel-based active material having the lithium carbonate layer on the surface thereof with a metal precursor including at least one metal selected from cobalt (Co), aluminum (Al), magnesium (Mg), and gallium (Ga) to prepare a mixture, and heat-treating the mixture. A composite positive electrode active material for a lithium secondary battery may be obtained according to the method; and used in a positive electrode for a lithium secondary battery.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: April 4, 2023
    Assignees: Samsung SDI Co., Ltd., Board of Regents, The University of Texas System
    Inventors: Arumugam Manthiram, Youngjin Kim, Byongyong Yu