Patents Examined by Laura Weiner
  • Patent number: 11901540
    Abstract: Provided herein is a composite anode active material including: a porous carbon structure; a first coating layer on the porous carbon structure and including a non-carbonaceous material capable of intercalating and deintercalating lithium; and a second coating layer on the first coating layer and including a carbonaceous material.
    Type: Grant
    Filed: March 17, 2021
    Date of Patent: February 13, 2024
    Inventors: Jae Phil Cho, Yeong Uk Son, Ji Young Ma, Nam Hyung Kim
  • Patent number: 11894515
    Abstract: Gel polymer electrolyte compositions including a cross-linked three-dimensional polymer network and an electrolyte composition comprising an electrolyte and water are disclosed. The gel polymer electrolyte compositions can be included in an aqueous electrochemical cell, in which a gel polymer electrolyte can be positioned between an anode and a cathode. Methods of forming a gel polymer electrolyte in the form of a film, and methods of forming an aqueous electrochemical cell including a gel polymer electrolyte, are also disclosed.
    Type: Grant
    Filed: April 27, 2020
    Date of Patent: February 6, 2024
    Assignee: The Johns Hopkins University
    Inventors: Konstantinos Gerasopoulos, Bing Tan, Spencer A. Langevin, Matthew W. Logan, Adam W. Freeman
  • Patent number: 11876179
    Abstract: Electrolytes and electrolyte additives for energy storage devices comprising alkoxyethane based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises an alkoxyethane based compound.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: January 16, 2024
    Assignee: Enevate Corporation
    Inventors: Younes Ansari, Liwen Ji, Benjamin Yong Park
  • Patent number: 11876226
    Abstract: As anode having an anode material, a current collector, a graphene-based material, and the graphene-based material covers the anode material.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: January 16, 2024
    Assignee: Board Of Trustees Of The University Of Arkansas
    Inventors: Xiangbo Meng, Jiyu Cai
  • Patent number: 11870069
    Abstract: Compounds, powders, and cathode active materials that can be used in lithium ion batteries are described herein. Methods of making such compounds, powders, and cathode active materials are described.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: January 9, 2024
    Assignee: Apple Inc.
    Inventors: Huiming Wu, Hongli Dai, Dapeng Wang, Christopher S. Johnson, John David Carter, Yanjie Cui, Arturo Gutierrez, Hakim H Iddir, Arthur Jeremy Kropf, Yan Li, Victor A. Maroni, Anh D. Vu, Xiaoping Wang, Zhenzhen Yang
  • Patent number: 11870054
    Abstract: A solid-state battery cell includes a cathode, an anode comprising microspheres of lithium metal embedded in an ion and electron conducting oxide-based material, with individual microspheres having a first solid electrolyte interface, and a first solid electrolyte layer comprising a sulfide-based solid electrolyte, the first electrolyte layer positioned between the cathode and the anode. The solid-state battery can also include a second solid electrolyte layer comprising an oxide-based solid electrolyte between the first solid electrolyte layer and the anode, the second solid electrolyte layer having a lower conductivity than the first solid electrolyte layer, and a second solid electrolyte interface between the first solid electrolyte layer and the second solid electrolyte layer.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: January 9, 2024
    Assignee: Nissan North America, Inc.
    Inventor: Mohammed Hussain Abdul Jabbar
  • Patent number: 11862797
    Abstract: A cathode includes a current collector, a first material layer and a second material layer. The first material layer includes a first material. The second material layer includes a second material. The second material includes at least one of the followings compounds: phosphate represented by a general formula M1PO4 and lithium titanium phosphate represented by a general formula Li3Ti2-x M2x(PO4)3, and the second material layer is disposed between the current collector and the first material layer. The cathode of the present application is provided with a double-layer structure including at least one of phosphate and lithium titanium phosphate to avoid direct contact between the current collector in the cathode and an anode material layer and optimize the stability of the first material layer, so that the cycle performance, electrochemical stability and safety performance of the electrochemical device are significantly improved.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: January 2, 2024
    Inventors: Pengwei Chen, Meng Wang, Leimin Xu, Liang Wang
  • Patent number: 11855290
    Abstract: Disclosed are a binder solution for an all-solid-state battery including a binder in the form of particles, and a method of manufacturing the same. The binder solution may include a rubber-based binder, a first solvent for dissolving the rubber-based binder, and a second solvent in which the rubber-based binder is insoluble and which is miscible with the first solvent.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: December 26, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation, Industry-University Cooperation Foundation Hanyang University
    Inventors: Sang Mo Kim, Ju Yeon Lee, Tae Young Kwon, Sung Hoo Jung, Yoon Seok Jung, Kyu Tae Kim, Dae Yang Oh
  • Patent number: 11848423
    Abstract: The invention concerns a battery (1) comprising at least a first electrode (11) and a second electrode (12), placed at a suitable distance from each other, wherein said battery comprise an active material is between said electrodes (11, 12), said active material comprising: at least one oxygen-containing compound selected from the group consisting of MgO, ZnO, ZrOCl2, ZrO2, SiO2, Bi2O3, Al2O3, Fe3O4, Fe2O3 and TiO2; at least one salt selected from a chloride-containing salt and a sulphate-containing salt; at least one thickener additive selected from the group consisting of agar-agar, xanthan gum, methylcellulose, and gum arabic, and at least one plasticizer additive, wherein the particle size of the at least one oxygen-based compound has an average diameter in the range from 10 nm to 40 ?m.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: December 19, 2023
    Assignee: TERMO-IND S.A.
    Inventors: Luca Magagnin, Vincenzo Tirella, Alessandra Accogli, Gabriele Panzeri, Eugenio Gibertini, Luca Succa, Simone Brunetti
  • Patent number: 11843105
    Abstract: A method to form a coated cathode material may generally include forming, via chemical vapor deposition, an interfacial layer coating on an exterior surface of a cathode active material, wherein the interfacial layer comprises an organic polymer; and wherein the interfacial layer is substantially uniform on and conformal to the exterior surface of the cathode active material. The polymer may include poly(3,4-ethylenedioxythiophene) (PEDOT). Methods of making and using the same are also described.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 12, 2023
    Inventors: Laisuo Su, Baby Reeja-Jayan
  • Patent number: 11817558
    Abstract: A salt of the formula: Mg[Al(R)4]2, where R represents a halogen-free compound selected from a deprotonated alcohol or thiol; or an amine; or a mixture thereof.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: November 14, 2023
    Assignee: Dyson Technology Limited
    Inventors: Evan Keyzer, Jeongjae Lee, Clare Grey, Dominic Wright
  • Patent number: 11817587
    Abstract: The electrical resistance of active cathodic and anodic films may be significantly reduced by the addition of small fractions of conductive additives within a battery system. The decrease in resistance in the cathode and/or anode leads to easier electron transport through the battery, resulting in increases in power, capacity and rates while decreasing joules heating losses.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: November 14, 2023
    Inventor: George Clayton Hansen
  • Patent number: 11811019
    Abstract: Provided is a lithium secondary battery, and the lithium secondary battery of the present invention includes: a positive electrode including a first lithium-metal oxide including secondary particles formed by aggregating primary particles having a particle diameter of 2 ?m or less and a second lithium-metal oxide including nickel and at least one or more metals selected from the group consisting of manganese (Mn) and cobalt (Co) and including particles having a primary particle diameter of 2 ?m or more; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt, a nonaqueous organic solvent, and a difluorophosphite compound containing at least one or more difluorophosphite groups.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: November 7, 2023
    Assignee: SK ON CO., LTD.
    Inventors: Young Hoon Do, Yoon Ji Lee, Yong Hyun Cho, In Haeng Cho
  • Patent number: 11811051
    Abstract: An electrochemical cell has a cathode having a cathode current collector and a cathode active material, an anode having an anode current collector, lithium metal seed, and an anode cap on the lithium metal seed, a liquid electrolyte, a separator between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive. The anode cap and the polymer electrolyte lamination layer work together to produce densely plated lithium metal between the lithium metal seed and the anode cap with little or no external pressure.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: November 7, 2023
    Assignee: APPLE INC.
    Inventors: Alan A. Ritchie, Karl M. Brown, Lin Ma, Korhan Demirkan, Andrew Basile, Richard M. Mank, Bernd Jurgen Neudecker
  • Patent number: 11804592
    Abstract: Cathode active materials that include a metal compound having the formula MaRb, where M is a metal, each R is independently selected so that MaRb is an inorganic or organometallic compound or complex, and a and b are independently positive nonzero real numbers; and a metal oxide having the formula MxOy, where M is the same metal in the metal compound, and x and y are independently positive nonzero real numbers; provided that the metal compound and the metal oxide are in contact. The cathodes can be economically incorporated into batteries that can provide high energy density.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: October 31, 2023
    Assignee: WATTRII, INC.
    Inventor: Jangwoo Kim
  • Patent number: 11799124
    Abstract: The invention relates to the use of lithium nitrate as sole lithium salt providing the ion conductivity in a gelled rechargeable lithium metal battery not comprising polysulfide ions, for improving its lifetime.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 24, 2023
    Assignee: BLUE SOLUTIONS
    Inventors: Marc Deschamps, Margaud Lecuyer
  • Patent number: 11799171
    Abstract: An all-solid secondary battery including: a cathode including a cathode active material layer; an anode including an anode active material layer; and a solid electrolyte layer including a sulfide solid electrolyte between the cathode active material layer and the anode active material layer, wherein an arithmetic mean roughness (Ra) of an interface between the cathode active material layer and the solid electrolyte layer is about 1 micrometer or less, and a relative density of the solid electrolyte layer is about 80% or more.
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: October 24, 2023
    Inventors: Satoshi Fujiki, Takanobu Yamada, Tomoyuki Shiratsuchi, Yuichi Aihara
  • Patent number: 11799067
    Abstract: A battery includes a positive electrode including a positive electrode active material, a negative electrode, and an electrolytic solution including an additive. The positive electrode active material includes a compound having a crystal structure belonging to a space group FM3-M and represented by Compositional Formula (1): LixMeyO?F?, where, Me is one or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr; and subscripts x, y, ?, and ? satisfy the following requirements: 1.7?x?2.2, 0.8?y?1.3, 1???2.5, and 0.5???2. The additive is at least one selected from dinitrile compounds and diisocyanate compounds.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: October 24, 2023
    Inventors: Takayuki Nakatsutsumi, Ryuichi Natsui, Nobuhiko Hojo
  • Patent number: 11777088
    Abstract: The present disclosure provides an anode material having further improved charge/discharge efficiency. The anode material according to the present disclosure includes an anode active material and a first solid electrolyte material. The first solid electrolyte material includes Li, M, and X, and does not include sulfur. M is at least one selected from the group consisting of metalloid elements and metal elements other than Li. X is at least one kind selected from the group consisting of Cl, Br, and I. The anode active material is an active material capable of storing and releasing lithium ions at a potential with respect to lithium of not less than 0.27 V.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: October 3, 2023
    Inventors: Yuta Sugimoto, Izuru Sasaki, Tatsuya Oshima, Akinobu Miyazaki
  • Patent number: 11777147
    Abstract: Deterioration in cycle characteristics and battery swelling are improved. The lithium ion secondary battery of the present invention is characterized in comprising an electrolyte solution comprising a multifunctional monomer comprising two or more epoxy groups and a negative electrode comprising a binder comprising a polymer comprising a monomer unit comprising a functional group selected from the group consisting of —OH, —OM, —COOH, —COOM and —COOCnH2n+1, wherein M is a metal element, and n is an integer of 1 to 5.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: October 3, 2023
    Inventors: Shin Serizawa, Suguru Tamai, Kazuhiko Inoue