Patents Examined by Cynthia H. Kelly
  • Patent number: 11955626
    Abstract: The present disclosure relates to mixed ionically and electronically conducting solid-state phases for their application in electrochemical devices, such as lithium-metal or lithium ion batteries. The solid-state mixed phase comprises of active cathode and carbon-based structures functionalized by a heteropolyacid (HPA) or a metal salt of a heteropolyacid (Me-HPA) to form a solid-state architecture with incorporated ceramic or glass-ceramic electrolyte for enhanced ionic and electronic conductivity pathways. Combining the solid-state phase components in melted solid-state electrolyte results in perfect distribution, improved adhesion between particles, and improved characteristics of the electrochemical device, such as high charge rates, long-term performance, and broad voltage window.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: April 9, 2024
    Assignee: SOUTH DAKOTA BOARD OF REGENTS
    Inventors: Alevtina Smirnova, Abu Md Numan-Al-Mobin
  • Patent number: 11955591
    Abstract: The present invention relates to an apparatus and method for manufacturing a secondary battery. The method for manufacturing the secondary battery, in which a plurality of unit cells are seated on a separator sheet and folded to manufacture a folded cell, comprises: a supply step of allowing the plurality of unit cells to move through a moving unit so as to supply the unit cells toward the separator sheet; and a seating step of allowing the plurality of unit cells to sequentially drop onto a top surface of the separator sheet, wherein the unit cells are seated on the separator sheet so that the unit cells are spaced a set gap value from each other.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: April 9, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Mi Ae An, Hyun Tae Kim
  • Patent number: 11955598
    Abstract: A solid electrolyte material according to the present disclosure is represented by the chemical formula Li6?4b+ab(Zr1?aMa)bX6 (I). M denotes at least one element selected from the group consisting of Al, Ga, Bi, Sc, Sm, and Sb, X denotes at least one halogen element, and the two mathematical formulae 0<a<1 and 0<b<1.5 are satisfied.
    Type: Grant
    Filed: December 12, 2020
    Date of Patent: April 9, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masashi Sakaida, Yusuke Nishio, Tetsuya Asano, Akihiro Sakai, Akinobu Miyazaki
  • Patent number: 11955655
    Abstract: This application relates to the field of energy storage components, and in particular, to a protective plate, a battery unit assembly, a battery module group, and a vehicle. The protective plate is provided with a guide groove. The protective plate is configured to shield an explosion-proof valve of a battery cell. The guide groove is configured to be disposed corresponding to the explosion-proof valve, and is configured to guide a flow direction of a flame ejected from the explosion-proof valve. In this application, the guide groove is disposed on the protective plate to guide the flame to a direction away from passengers, thereby protecting the passengers from injury.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 9, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Xingdi Chen, Kaijie You, Haizu Jin, Linggang Zhou, Peng Wang, Dongyang Shi
  • Patent number: 11955637
    Abstract: To provide an electrode for non-aqueous electrolyte batteries, which traps hydrogen sulfide gas, generated from the inside thereof for some reason, in the electrode, and suppresses the outflow of hydrogen sulfide gas to the outside of the battery. An electrode for lithium ion batteries includes a coating material which contains a silanol group and is present on at least a surface of an active material layer. The active material layer contains a sulfur-based material and a resin-based binder. The sulfur-based material is an active material capable of alloying with lithium metal or an active material capable of occluding lithium ions. The coating material containing the silanol group is a silicate having a siloxane bond or a silica fine particle aggregate having a siloxane bond as a component.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: April 9, 2024
    Assignees: ATTACCATO LIMITED LIABILITY COMPANY, ADEKA CORPORATION
    Inventors: Takashi Mukai, Naoto Yamashita, Yuta Ikeuchi, Taichi Sakamoto, Kenji Kakiage, Hiroyuki Osada, Yohei Aoyama
  • Patent number: 11955636
    Abstract: An electrochemical device includes a cathode comprising a first cathode component of lithium and SexSy; and a second cathode component of an alkali metal and/or alkaline earth metal sulfur and/or selenide, different from the first cathode component; an initial discharge product of a polyselenide and/or polysulfide anion charge compensated by an alkali metal and/or alkaline earth metal cation; an anode; a porous separator; and a non-aqueous electrolyte with one or more lithium salts, and one or more solvents; wherein the electrochemical device is a lithium sulfur and/or lithium selenide battery.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 9, 2024
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Matthew Li, Khalil Amine, Jun Lu
  • Patent number: 11949073
    Abstract: This application provides a nonaqueous electrolytic solution, a lithium-ion battery, a battery module, a battery pack, and an apparatus. The nonaqueous electrolytic solution includes a nonaqueous solvent and a lithium salt. The nonaqueous solvent includes a carbonate solvent and a high-oxidation-potential solvent. The carbonate solvent is a mixture of a cyclic carbonate and a chain carbonate, and the high-oxidation-potential solvent is selected from one or more of compounds denoted by Formula I and Formula II. This application improves electrochemical performance of the lithium-ion battery under a high temperature and a high voltage as well as safety performance such as overcharge safety and hot-oven safety of the lithium-ion battery, and also ensures kinetic performance of the lithium-ion battery to some extent.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: April 2, 2024
    Assignee: CONTEMPORATY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Peipei Chen, Chenghua Fu, Junmin Feng, Chengdu Liang
  • Patent number: 11942623
    Abstract: Provided are a negative electrode that is for use in a non-aqueous electrolyte secondary battery, includes a porous metal body as a current collector, contains a skeleton-forming agent highly infiltrated in the current collector so that it is less likely to suffer from structural degradation and provides improved cycle durability; and a non-aqueous electrolyte secondary battery including such a negative electrode. The negative electrode for use in a non-aqueous electrolyte secondary battery includes a current collector including a porous metal body; a first negative electrode material disposed in pores of the porous metal body and including a conductive aid, a binder, and a negative electrode active material including a silicon-based material; and a second negative electrode material disposed in pores of the porous metal body and including a skeleton-forming agent including a silicate having a siloxane bond.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: March 26, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kiyoshi Tanaami, Toshimitsu Tanaka, Yuji Isogai, Makiko Takahashi, Shintaro Aoyagi, Takashi Mukai, Yuta Ikeuchi, Taichi Sakamoto, Naoto Yamashita
  • Patent number: 11935996
    Abstract: A battery cell assembly, including a rolled cell formed from a first electrode and a second electrode rolled together about a longitudinal axis. The rolled cell includes a primary section in which the first electrode and the second electrode overlap in a radial direction from the longitudinal axis, and a first extension end extending from a first longitudinal end of the primary section and formed from a first edge section of the first electrode. The first edge section includes a first folded portion folded to contact an adjacent portion of the first edge section. The battery cell assembly further includes a first end cap coupled to the rolled cell and contacting the first folded portion.
    Type: Grant
    Filed: May 2, 2021
    Date of Patent: March 19, 2024
    Assignee: Textron Innovations Inc.
    Inventor: Phalgun Madhusudan
  • Patent number: 11918975
    Abstract: Disclosed is a modified carbonaceous material, which includes hexagonal carbon networks in a layered stacking structure and acidic functional groups bonded to the hexagonal carbon networks and mainly existing at edges of the layered carbonaceous structure. Accordingly, the close proximity of acid moiety at the edges can resemble the center of hydrolysis enzymes, resulting in enhancement of hydrolytic efficiency. Additionally, the acid-functionalized carbonaceous material can also be applied in the capture and storage of carbon dioxide due to its unexpectedly higher capacity for CO2 molecular.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: March 5, 2024
    Assignee: ACADEMIA SINICA
    Inventors: Jia-Hui Wang, Hao-Ju Chou, Po-Wen Chung
  • Patent number: 11923532
    Abstract: A pre-lithiated silicon-based anode includes a silicon-based anode, lithium disposed on a surface or in an interior of the silicon-based anode, and a protective coating on the surface of the silicon-based anode. The pre-lithiated silicon-based anode allows subsequent processing to be performed safely in the atmosphere.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: March 5, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Rongrong Jiang, Jingjun Zhang, Yuqian Dou, Lei Wang, Chuanling Li, Yunhua Chen, Xiaogang Hao, Qiang Lu
  • Patent number: 11923581
    Abstract: The invention features redox flow batteries and compound useful therein as negolytes or posolytes. The batteries and compounds are advantageous in terms of being useable in water solutions at neutral pH and have extremely high capacity retention. Suitable negolytes are diquaternized bipyridines, suitable posolytes are water-soluble ferrocene derivatives.
    Type: Grant
    Filed: August 14, 2017
    Date of Patent: March 5, 2024
    Assignee: President and Fellows of Harvard College
    Inventors: Roy G. Gordon, Michael J. Aziz, Eugene Beh
  • Patent number: 11916235
    Abstract: Provided is a fluoride ion secondary battery having high charging and discharging efficiency at room temperature. The fluoride ion secondary battery includes a positive electrode material layer including Ag; a negative electrode material layer including at least one of CeF3 and PbF2; and a solid electrolyte layer including LaF3 and disposed between the positive electrode material layer and the negative electrode material layer. The fluoride ion secondary battery may further include a negative electrode current collector layer disposed on an outer side of the negative electrode material layer. The negative electrode current collector layer may include carbon when the negative electrode material layer includes CeF3 or may include a Pb foil when the negative electrode material layer includes PbF2.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: February 27, 2024
    Assignee: HONDA MOTOR CO., LTD
    Inventors: Katsutoshi Sakurai, Yoshiyuki Morita
  • Patent number: 11916268
    Abstract: A conveying unit (1) for a fuel cell system (31) for conveying and/or recirculating a gaseous medium, in particular hydrogen, comprising a jet pump (4) driven by a driving jet of a pressurized gaseous medium, and comprising a metering valve (6) with a nozzle (12), wherein: the conveying unit (1) is designed as a combined valve jet pump assembly (2); the gaseous medium is fed to the jet pump (4) by means of the metering valve (6); the jet pump (4) has a main body (8); and the jet pump (4) is connected to an anode inlet (3) of a fuel cell (29).
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: February 27, 2024
    Assignee: Robert Bosch GmbH
    Inventors: Andreas Gruenberger, Armin Richter, Hans-Christoph Magel
  • Patent number: 11909045
    Abstract: Exemplary embodiments of positive electrode active materials in the form of single particles, and a method of preparing each of them, are provided. The single particles of the exemplary embodiments include single particles of a nickel-based lithium composite metal oxide, having a plurality of crystal grains, each having a size of 180 nm to 300 nm, as analyzed by a Cu K? X-ray (X-r?). The single particles include a metal doped in the crystal lattice thereof. One embodiment includes a surface coating. The total content of the metal doped in the crystal lattice thereof and the metal of the metal oxide coated on the surface thereof is controlled in the range of 2500 ppm to 6000 ppm.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: February 20, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Tae Gu Yoo, Younguk Park, Jintae Hwang, Wang Mo Jung, Sungbin Park
  • Patent number: 11908999
    Abstract: An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery including the electrolyte, the electrolyte including a non-aqueous organic solvent; a lithium salt; and an additive, wherein the additive includes a compound represented by Chemical Formula 1: in Chemical Formula 1, R1 is a cyano group, a substituted or unsubstituted C2 to C10 alkenyl group, or a substituted or unsubstituted C2 to C10 alkynyl group.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: February 20, 2024
    Assignees: SAMSUNG SDI CO., LTD., POSTECH ACADEMY-INDUSTRY FOUNDATION
    Inventors: Myunghwan Jeong, Younghye Kang, Haneol Kang, Dongyoung Kim, Soojin Kim, Aeran Kim, Hoon Kim, Suyeol Ryu, Moon Jeong Park, Jeongmin Shin, Junyong Lee, Tae Jin Lee, Jin-Hyeok Lim, Wonseok Cho, Hyunbong Choi, Jungmin Han
  • Patent number: 11909050
    Abstract: An anode includes: (1) a current collector; and (2) an interfacial layer disposed over the current collector. The interfacial layer includes an ion-conductive organic network including anionic coordination units, organic linkers bonded through the anionic coordination units, and counterions dispersed in the ion-conductive organic network.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: February 20, 2024
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Zhenan Bao, Zhiao Yu, Dawei Feng, Min Ah Lee, Yi Cui, Allen Pei
  • Patent number: 11909049
    Abstract: A positive electrode includes at least a positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer is disposed on a surface of the positive electrode current collector. The positive electrode current collector includes an aluminum foil and an aluminum hydrated oxide film. The aluminum hydrated oxide film covers a surface of the aluminum foil. The aluminum hydrated oxide film has a thickness not smaller than 50 nm and not greater than 500 nm. The aluminum hydrated oxide film contains a plurality of types of aluminum hydrated oxides. The ratio of boehmite to the plurality of types of aluminum hydrated oxides is not lower than 20 mol % and not higher than 80 mol %.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: February 20, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Koji Torita, Takuya Asari, Akihiro Ochiai, Yusuke Fukumoto, Naoyuki Wada
  • Patent number: 11901562
    Abstract: A bipolar electrode for a lithium battery, the bipolar electrode comprising: (a) a current collector comprising a conductive material foil having two opposing primary surfaces, wherein one or both of the primary surfaces is optionally coated with a layer of graphene or expanded graphite material having a thickness from 5 nm to 50 ?m; and (b) a negative electrode layer and a positive electrode layer respectively disposed on the two primary surfaces, wherein the positive electrode layer comprises a mixture of particles of a cathode active material and a quasi-solid or solid-state electrolyte and the electrolyte comprises a polymer, which is a polymerization or crosslinking product of a reactive additive, wherein the reactive additive comprises (i) a first liquid solvent that is polymerizable, (ii) an initiator or curing agent, and (iii) a lithium salt. Also provided is a bipolar battery comprising a plurality of bipolar electrodes connected in series.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: February 13, 2024
    Assignee: Global Graphene Group, Inc.
    Inventor: Bor Z. Jang
  • Patent number: 11901528
    Abstract: There is provided a method for collecting and reusing an active material from positive electrode scrap. The method for reusing a positive electrode active material of the present disclosure includes (a) thermally treating positive electrode scrap comprising an active material layer on a current collector in air for thermal decomposition of a binder and a conductive material in the active material layer, to separate the current collector from the active material layer, and collecting an active material in the active material layer, (b-1) washing the active material collected from the step (a) with a lithium compound solution which is basic in an aqueous solution, (b-2) mixing the active material washed from the step (b-1) with a lithium precursor aqueous solution and spray drying, and (c) annealing the active material spray dried from the step (b-2) to obtain a reusable active material.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: February 13, 2024
    Assignee: LG Energy Solution, Ltd.
    Inventors: Min-Seo Kim, Se-Ho Park, Doo-Kyung Yang