Patents Examined by Laura Weiner
  • Nonaqueous electrolyte secondary battery negative electrode, binder for nonaqueous electrolyte secondary battery negative electrode, and nonaqueous electrolyte secondary battery
    Patent number: 11101464
    Abstract: A negative electrode for a nonaqueous electrolyte secondary battery having improved life characteristics, a binder for a negative electrode of a nonaqueous electrolyte secondary battery, and a nonaqueous electrolyte secondary battery. The negative electrode for a nonaqueous electrolyte secondary battery according to an embodiment includes a current collector, and a mixture layer formed on the current collector and having an active material and a binder. In the binder, an intermolecular chain network in which crosslinking by irreversible bonding and crosslinking by reversible bonding are mixed is formed. For example, a crosslinking treatment is applied to the binder. At this time, by performing crosslinking by reversible bonding and irreversible bonding, crosslinking unevenness is more suppressed, and local concentration of loads on the binder is more suppressed.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: August 24, 2021
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventor: Hitoshi Kurihara
  • Polysiloxane binders
    Patent number: 11094933
    Abstract: Electrodes for rechargeable batteries that include silicon and a binder are provided. Binders for use with silicon electrodes are provided, including polysiloxane binders that can be prepared prior to preparation of the electrode, or provided as monomers to be cure-polymerized at the time of the curing of the electrode.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: August 17, 2021
    Assignee: University of Kentucky Research Foundation
    Inventors: Susan A. Odom, Darius A Shariaty, Yang-Tse Cheng
  • Electrolyte formulations for electrochemical device
    Patent number: 11088396
    Abstract: A battery device is disclosed that includes an ionically conducting electrolyte comprising a mixture of a compressed gas solvent and one or more solid or liquid salts, wherein the compressed gas solvent comprises at least a first component that has a vapor pressure above 100 kPa at a room temperature of 293.15 K. The device also includes a housing enclosing the ionically conducting electrolyte under a pressurized condition to maintain the compressed gas solvent at a pressure higher than 100 kPa at a room temperature of 293.15 K. The device also includes at least two conducting electrodes in contact with the ionically conducting electrolyte.
    Type: Grant
    Filed: August 30, 2020
    Date of Patent: August 10, 2021
    Assignee: SOUTH 8 TECHNOLOGIES, INC.
    Inventors: Cyrus Sam Rustomji, Jungwoo Lee, James Royer
  • Cathode active material containing boron and carbon, and magnesium secondary battery using the same
    Patent number: 11081698
    Abstract: A cathode active material for magnesium secondary batteries includes a material containing magnesium, boron, and carbon. The material has a layered structure.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 3, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Go Tei, Toshiro Kume, Akira Kano
  • Positive-electrode active material and battery including positive-electrode active material
    Patent number: 11081687
    Abstract: A positive-electrode active material contains a compound represented by the following composition formula (1): LixMeyAzO?F???(1) where Me denotes one or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, Cu, Nb, Mo, Ti, Cr, Zr, Zn, Na, K, Ca, Mg, Pt, Au, Ru, and W, A denotes one or more elements selected from the group consisting of B, Si, and P, and the following conditions: 1.3?x?2.1, 0.8?y?1.3, 0<z?0.2, 1.8???2.9, and 0.1???1.2 are satisfied. A crystal structure of the compound belongs to a space group Fm-3m.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: August 3, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Ryuichi Natsui, Junko Matsushita, Kensuke Nakura
  • Positive electrode for metal secondary battery and metal secondary battery including the same
    Patent number: 11075373
    Abstract: A positive electrode for a metal secondary battery includes a positive current collector; and a positive active material layer disposed on the positive current collector, wherein the positive active material layer includes: a positive active material, a salt including an alkali metal salt, an alkaline earth metal salts, or a combination thereof, and a polymeric first binder including a repeating unit represented by Formula 1 wherein R is a substituted or unsubstituted C2-C5 alkylene group, a substituted or unsubstituted C2-C6 alkoxylene group, a substituted or unsubstituted C2-C6 alkoxycarbonylene group, a substituted or unsubstituted C2-C6 alkylene oxide group, or a combination thereof, and n is an integer from 90 to 2,700. Also a metal secondary battery including the same.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 27, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Dongjin Lee, Joonseon Jeong, Chansu Kim, Yooseong Yang, Taehwan Yu
  • Sandwich cathode lithium battery with high energy density
    Patent number: 11075377
    Abstract: A lithium electrochemical cell with increased energy density is described. The electrochemical cell comprises an improved sandwich cathode design with a second cathode active material of a relatively high energy density but of a relatively low rate capability sandwiched between two current collectors and with a first cathode active material having a relatively low energy density but of a relatively high rate capability in contact with the opposite sides of the two current collectors. In addition, a cathode fabrication process is described that increases manufacturing efficiency. The cathode fabrication process comprises a process in which first and second cathode active materials are directly applied to opposite surfaces of a perforated current collector and laminated together. The present cathode design is useful for powering an implantable medical device requiring a high rate discharge application.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: July 27, 2021
    Assignee: Greatbatch Ltd.
    Inventors: Robert S. Rubino, William C. Thiebolt, Marcus J. Palazzo, Joseph M. Lehnes, Ho-Chul Yun, Mark J. Roy
  • Composite electrolyte structure and lithium metal battery including the same
    Patent number: 11063292
    Abstract: A composite electrolyte structure includes: a protective layer having a Young's modulus of about 106 pascals or greater and including a first particle, the first particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the particle in the protective layer has a particle size of greater than 1 micrometer to about 100 micrometers, and a solid electrolyte layer including a second particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the second particle has a particle size of greater than 1 micrometer to about 100 micrometers, wherein the first particle and the second particle are the same or different, and wherein the protective layer is on the solid electrolyte layer.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: July 13, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yonggun Lee, Saebom Ryu, Taehwan Yu, Wonseok Chang
  • Positive electrode active material containing lithium composite oxyfluoride and organosilicon compound, and battery including positive electrode containing the positive electrode active material
    Patent number: 11043661
    Abstract: A positive electrode active material contains a lithium composite oxyfluoride and an organosilicon compound binding to the lithium composite oxyfluoride. The organosilicon compound has insulation property.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: June 22, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Takayuki Ishikawa, Ryuichi Natsui, Kensuke Nakura
  • Additive for nonaqueous electrolyte solutions, nonaqueous electrolyte solution, and electricity storage device
    Patent number: 11038201
    Abstract: Disclosed is an additive for non-aqueous electrolyte solutions, which include a compound represented by Formula (1). In Formula (1), X represents a sulfonyl group or a carbonyl group, R1 represents an alkyl group having 1 to 4 carbon atoms which may be substituted with a halogen atom, or the like, and R2 represents a divalent hydrocarbon group having 1 to 3 carbon atoms which may be substituted with a halogen atom, or represents a divalent group formed of a divalent hydrocarbon group having 1 to 3 carbon atoms which may be substituted with a halogen atom, and an oxygen atom that constitutes a cyclic structure together with the hydrocarbon group.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: June 15, 2021
    Assignee: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Yuki Kono, Shohei Fujimoto, Koji Fujita
  • Active material including metal composite fluoride for fluoride ion secondary battery, and fluoride ion secondary battery using the same
    Patent number: 11038170
    Abstract: An active material for a fluoride ion secondary battery includes a metal composite fluoride. The metal composite fluoride contains at least one metal selected from the group consisting of an alkali metal, an alkaline earth metal, scandium, yttrium, and a lanthanoid; a first transition metal; a second transition metal different from the first transition metal; and fluorine.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: June 15, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuko Asano, Kensuke Nakura
  • Aqueous and hybrid electrolytes with wide electrochemical stability windows
    Patent number: 11038197
    Abstract: The present invention is directed to aqueous and hybrid aqueous electrolytes that comprise a lithium salt. The present invention is also directed to methods of making the electrolytes and methods of using the electrolytes in batteries and other electrochemical technologies.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: June 15, 2021
    Assignees: University of Maryland, College Park, The United States of America as Represented By The Secretary of the Army
    Inventors: Kang Xu, Arthur Von Wald Cresce, Oleg A. Borodin, Chunsheng Wang, Liumin Suo
  • Active material including composite fluoride for fluoride ion secondary battery, and fluoride ion secondary battery using the same
    Patent number: 11038171
    Abstract: An active material for a fluoride ion secondary battery includes a composite fluoride which contains: an alkali metal or NH4; a transition metal; and fluorine.
    Type: Grant
    Filed: May 7, 2019
    Date of Patent: June 15, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuko Asano, Kensuke Nakura, Mitsuhiro Hibino, Jin Zhang
  • Polysilsesquioxane polyalkylene glycol polymer having urethane bonds, solid polymer electrolyte composition comprising the same and method of preparing the same
    Patent number: 11031624
    Abstract: Disclosed is a polyalkylene glycol (PAG) polymer having urethane bonds, represented by Structural Formula 1 below. The present invention further relates to a solid polymer electrolyte composition, composed of a polyalkylene glycol polymer having urethane bonds, and a lithium salt. The solid polymer electrolyte of the invention can exhibit superior compatibility, stability, flexibility, mechanical properties and ionic conductivity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: June 8, 2021
    Assignee: Korea Institute of Industrial Technology
    Inventors: Bong Sang Cho, Ki Young Kim, Jun Choi, Do Hyung Park, Jae Chui Lee, Ji San Jeong, Kyung Min Kim, Sin Seok Oh, Seong Kwan Kim, Yong Pyo Lee
  • High energy/power density, long cycle life, safe lithium-ion battery capable of long-term deep discharge/storage near zero volt and method of making and using the same
    Patent number: 11024846
    Abstract: A high energy/power density, long cycle life and safe lithium ion cell capable of long-term deep discharge/storage near zero-volt is described. The cell utilizes a near zero-volt storage capable anode, such as a spinel Li4Ti5O12, coupled to a high voltage, high-energy and/or high-power density cathode, such as LiNi0.5Mn1.5O4. The near zero-volt storage cell is rechargeable and affords safety advantages for battery transportation, storage, and handling, and significant cost reductions for cell maintenance. The cells produce high-energy and/or high-power densities and long cycle life. The cell anode, cathode, and separator active materials are coated with one or more protection or stability enhancing and/or conductivity enhancing materials to enhance electrochemical performance and to strengthen stabilities for long-term cycle life and storage life.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: June 1, 2021
    Assignee: ADA Technologies, Inc.
    Inventor: Weibing Xing
  • Cathode active material containing magnesium-transition metal composite oxide and magnesium secondary battery using the same
    Patent number: 11018330
    Abstract: A cathode active material for magnesium secondary batteries contains a composite oxide represented by the formula MgxMyO2, where M is at least one selected from the group consisting of Ni, Co, Mn, Ti, V, Cr, Fe, Cu, and Mo; 1.0<x, and y<1.0.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: May 25, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toshiro Kume, Go Tei
  • Positive electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery
    Patent number: 11005096
    Abstract: A positive electrode for a nonaqueous electrolyte secondary battery according to an embodiment of the present disclosure includes a positive electrode current collector mainly composed of aluminum (Al), a protective layer disposed on the positive electrode current collector, and a positive electrode mixture layer containing a lithium-containing transition metal oxide and disposed on the protective layer. The protective layer has a thickness of 1 to 5 ?m and contains an electroconductive material and an inorganic compound having an oxidation power lower than that of the lithium-containing transition metal oxide.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: May 11, 2021
    Assignee: PANASONIC CORPORATION
    Inventors: Tomoki Shiozaki, Kazuki Endo, Yasunari Sugita
  • Nonaqueous electrolyte secondary batteries
    Patent number: 10998581
    Abstract: A nonaqueous electrolyte secondary battery including an electrode assembly in which a positive electrode and a negative electrode are stacked together through a separator, a nonaqueous electrolytic solution, and an exterior case which accommodates the electrode assembly and the nonaqueous electrolytic solution. The negative electrode is electrically connected to the exterior case, which contains iron, and the nonaqueous electrolytic solution includes a fluorinated carboxylate ester and lithium fluorosulfate salt (LiSO3F).
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: May 4, 2021
    Assignee: PANASONIC CORPORATION
    Inventors: Takanobu Chiga, Naoya Morisawa
  • Composite anode active material, method of preparing the same, and lithium secondary battery including anode including composite anode active material
    Patent number: 10985370
    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: July 16, 2018
    Date of Patent: April 20, 2021
    Assignee: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)
    Inventors: Jae Phil Cho, Yeong Uk Son, Ji Young Ma, Nam Hyung Kim
  • Electrolytes for lithium sulfur cells
    Patent number: 10985403
    Abstract: Disclosed is an electrochemical cell comprising a lithium anode and a sulfur-containing cathode and a non-aqueous electrolyte. The cell exhibits high utilization of the electroactive sulfur-containing material of the cathode and a high charge-discharge efficiency.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: April 20, 2021
    Assignee: Sion Power Corporation
    Inventor: Yuriy V. Mikhaylik