Alkaline Patents (Class 429/206)
  • Patent number: 11133500
    Abstract: The invention relates to a reversible manganese dioxide electrode, comprising an electrically conductive carrier material having a nickel surface, a nickel layer made of spherical nickel particles adhering to each other and having an inner pore structure applied to the carrier material, and a manganese dioxide layer applied to the nickel particles, wherein the manganese dioxide layer is also present in the inner pore structure of the nickel particle. The invention also relates to a method for producing such a manganese dioxide electrode, the use thereof in rechargeable alkaline-manganese batteries, and a rechargeable alkaline-manganese battery containing a manganese dioxide electrode according to the invention.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: September 28, 2021
    Assignee: ZENTRUM FÜR SONNENENERGIE- UND WASSERSTOFF-FORSCHUNG BADEN- WÜRTTEMBERG GEMEINNÜTZIGE STIFTUNG
    Inventors: Ludwig Jörissen, Jerry Bamfo Asante, Olaf Böse
  • Patent number: 11114665
    Abstract: There is provided is an energy storage device having improved power performance at a relatively large current. In the present embodiment, an energy storage device is provided, which has a negative active material layer containing particulate amorphous carbon, wherein a distribution curve of differential pore volume in the negative active material layer has a peak appearing within the range from 0.1 ?m to 2 ?m inclusive and the differential pore volume at the peak is 0.9 cm3/g or more.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: September 7, 2021
    Assignee: GS Yuasa International Ltd.
    Inventors: Masashi Takano, Akihiko Miyazaki
  • Patent number: 11081696
    Abstract: The invention is directed towards an electrochemically active cathode material. The electrochemically active cathode includes beta-delithiated layered nickel oxide and an electrochemically active cathode material selected from the group consisting of manganese oxide, manganese dioxide, electrolytic manganese dioxide (EMD), chemical manganese dioxide (CMD), high power electrolytic manganese dioxide (HP EMD), lambda manganese dioxide, gamma manganese dioxide, beta manganese dioxide, and mixtures thereof. The beta-delithiated layered nickel oxide has an X-ray diffraction pattern. The X-ray diffraction pattern of the beta-delithiated layered nickel oxide includes a first peak from about 14.9° 2? to about 16.0° 2?; a second peak from about 21.3° 2? to about 22.7° 2?; a third peak from about 37.1° 2? to about 37.4° 2?; a fourth peak from about 43.2° 2? to about 44.0° 2?; a fifth peak from about 59.6° 2? to about 60.6° 2?; and a sixth peak from about 65.4° 2? to about 65.9° 2?.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 3, 2021
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Jennifer A. Nelson, David Lloyd Anglin, Mariarosa Brundu, Paul Albert Christian, Thomas C. Richards
  • Patent number: 11043659
    Abstract: A positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode current collector and a positive electrode mixture layer which contains a positive electrode active material and is disposed on the positive electrode current collector. The void ratio of the positive electrode mixture layer is 30% or less, and the void ratio of secondary particles of the positive electrode active material is within a range of 30% or more and 70% or less of the void ratio of the positive electrode mixture layer.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: June 22, 2021
    Assignee: PANASONIC CORPORATION
    Inventor: Hidekazu Hiratsuka
  • Patent number: 10923760
    Abstract: Provided herein is an electrode assembly of lithium-ion battery, comprising at least one anode, at least one cathode and at least one separator interposed between the at least one anode and at least one cathode, wherein the water content of the electrode assembly is less than 20 ppm by weight, based on the total weight of the electrode assembly.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: February 16, 2021
    Assignee: GRST INTERNATIONAL LIMITED
    Inventors: Kam Piu Ho, Ranshi Wang, Peihua Shen
  • Patent number: 10910674
    Abstract: A rechargeable battery can include a cathode, an anode current collector, an anode comprising zinc, and an electrolyte in ionic communication with both the cathode and the anode current collector. The electrolyte can include an organic ammonium halide. The organic ammonium halide can include an ammonium bromide in some instances.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: February 2, 2021
    Assignee: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW NEW YORK
    Inventors: Xia Wei, Michael Nyce, Gautam G. Yadav, Alexander Couzis, Sanjoy Banerjee
  • Patent number: 10873086
    Abstract: This binder for nonaqueous electrolyte secondary battery electrodes contains: a copolymer of vinyl alcohol and an ethylenically unsaturated carboxylic acid alkali metal neutralized product; and a polyalkylene oxide.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: December 22, 2020
    Assignee: SUMITOMO SEIKA CHEMICALS CO., LTD.
    Inventors: Erina Takahashi, Shun Hashimoto, Junichi Fujishige
  • Patent number: 10826108
    Abstract: Disclosed or provided are high melt temperature microporous Lithium-ion rechargeable battery separators, shutdown high melt temperature battery separators, battery separators, membranes, composites, and the like that preferably prevent contact between the anode and cathode when the battery is maintained at elevated temperatures for a period of time, methods of making, testing and/or using such separators, membranes, composites, and the like, and/or batteries, Lithium-ion rechargeable batteries, and the like including one or more such separators, membranes, composites, and the like.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: November 3, 2020
    Assignee: Celgard, LLC
    Inventors: C. Glen Wensley, Carlos R. Negrete, Jill V. Watson
  • Patent number: 10811732
    Abstract: The disclosure relates to pre-lithiation for batteries having silicon anodes. One example embodiment is a method. The method includes applying a voltage across an anode and a cathode of a battery during a formation charging process. The method also includes transferring lithium ions from the cathode to the anode to perform in situ pre-lithiation. A ratio of a capacity of the anode to a capacity of the cathode is less than 1.0.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: October 20, 2020
    Assignee: GOOGLE LLC
    Inventors: Taisup Hwang, Ramesh C. Bhardwaj
  • Patent number: 10749180
    Abstract: An energy storage device may provide a positive electrode, an electrolyte, and a negative electrode. The energy storage device may utilize an aqueous alkaline electrolyte, which may be nonflammable. The energy storage device may utilize organic material(s) as the negative electrode, such as, but not limited to, poly(anthraquinonyl sulfide) (PAQS), organic carbonyl compounds, organosulfur compounds, redox polymers, or radical polymers.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: August 18, 2020
    Assignee: UNIVERSITY OF HOUSTON SYSTEM
    Inventors: Yan Yao, Yanliang Liang
  • Patent number: 10680239
    Abstract: A coated nickel hydroxide powder that has improved dispersibility in a paste to inhibit agglomeration and can be densely packed in a three-dimensional metal porous body in the preparation of a positive electrode for alkaline secondary battery includes nickel hydroxide particles having a coating layer made of a cobalt compound formed on a surface of the nickel hydroxide particles, wherein when 10 mL of water is added to 10 g of the coated nickel hydroxide powder to prepare a suspension, the suspension has a pH of 10.2 or higher (as measured at 25° C.). The coated nickel hydroxide powder obtained through a crystallization step and a coating step is washed in a washing step until an amount of ammonium ions eluted into a suspension obtained by adding 10 mL of water to 10 g of the coated nickel hydroxide powder becomes 0.35 mmol/L or less.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 9, 2020
    Assignee: Sumitomo Metal Mining Co., Ltd.
    Inventors: Kazuaki Okato, Tomomichi Nihei, Hideo Sasaoka
  • Patent number: 10629856
    Abstract: The present invention makes it possible to improve a nonaqueous electrolyte secondary battery in quality. An adhesive tape, an insulator, and an insulating tape each have a color value in the Munsell color system of not less than 3.0 and not more than 9.2 and a chroma in the Munsell color system of not less than 0.5.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: April 21, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yuichiro Azuma, Takamasa Egawa
  • Patent number: 10601095
    Abstract: An anaerobic aluminum-water electrochemical cell that includes: a plurality of electrode stacks, each electrode stack comprising an aluminum or aluminum alloy anode, and at least one solid cathode configured to be electrically coupled to the anode; a liquid electrolyte between the anode and the at least one cathode; one or more physical separators between each electrode stack adjacent to the cathode; a housing configured to hold the electrode stacks, the electrolyte, and the physical separators; and a water injection port, in the housing, configured to introduce water into the housing. The electrolyte includes a hydroxide base at a concentration of at least 0.05 M to at most 3 M.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: March 24, 2020
    Assignee: Massachusetts Institute of Technology
    Inventors: Ian Salmon McKay, Ruaridh R. Macdonald, Thomas B. Milnes
  • Patent number: 10573944
    Abstract: Provided is a method for generating an electrical current. The method includes: introducing water between the anode and at least one cathode of an electrochemical cell, to form an electrolyte; anaerobically oxidizing aluminum or an aluminum alloy at the anode; and electrochemically reducing water at the at least one cathode. The electrochemical cell includes: a plurality of electrode stacks, each electrode stack comprising an anode including the aluminum or aluminum alloy, and at least one cathode configured to be electrically coupled to the anode; one or more physical separators between each electrode stack adjacent to the cathode; a housing configured to hold the electrode stacks, the electrolyte, and the physical separators; and a water injection port in the housing. When the cell is in operation, the concentration of aluminum species in the electrolyte is maintained between at least 0.01 M to at most 0.7 M.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: February 25, 2020
    Assignee: Massachusetts Institute of Technology
    Inventors: Ian Salmon McKay, Ruaridh R. Macdonald, Thomas B. Milnes
  • Patent number: 10535901
    Abstract: The invention provides an electrolyte composition which is adapted for use in a rechargeable alkaline electrochemical cell, and especially preferably adapted for use in a rechargeable manganese zinc electrochemical cell, which electrolyte composition imparts improved performance characteristics to the rechargeable alkaline electrochemical cell. The electrolyte composition includes an electrolyte composition in which contains a potassium hydroxide and lithium hydroxide in a concentration and a respective molar ratio of about 1 molar potassium hydroxide to 2.5-3.7 (preferably 1:3) molar lithium hydroxide (1 M KOH:2.5-3.7 M LiOH). Also provided are alkaline electrochemical cells and alkaline batteries comprising the electrolyte compositions. The resultant alkaline electrochemical cells and alkaline batteries exhibit improved performance characteristics, as the electrolyte composition significantly inhibits the passivation of Zn, and may also be useful in this role in other battery chemistries.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: January 14, 2020
    Assignees: THE TRUSTEES OF PRINCETON UNIVERSITY, THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Daniel Steingart, Benjamin Hertzberg, Mylad Chamoun, Greg Davies, Ying Shirley Meng
  • Patent number: 10490806
    Abstract: The present disclosure provides a positive electrode material comprising: a positive electrode active material mixture comprising a positive electrode active material prepared with an active material precursor and a lithium compound, a conductive agent and a binder; and an active material precursor as an additive, in which the active material precursor as the additive is a same substance as the active material precursor as a material of the positive electrode active material.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: November 26, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Ju Ho Chung, Gyu Ok Hwang, Soo Ji Hwang, Hong Kyu Park
  • Patent number: 10483582
    Abstract: Embodiments described herein relate generally to electrochemical cells having high rate capability, and more particularly to devices, systems and methods of producing high capacity and high rate capability batteries having relatively thick semi-solid electrodes. In some embodiments, an electrochemical cell includes an anode and a semi-solid cathode. The semi-solid cathode includes a suspension of an active material of about 35% to about 75% by volume of an active material and about 0.5% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte. An ion-permeable membrane is disposed between the anode and the semi-solid cathode. The semi-solid cathode has a thickness of about 250 ?m to about 2,000 ?m, and the electrochemical cell has an area specific capacity of at least about 7 mAh/cm2 at a C-rate of C/4. In some embodiments, the semi-solid cathode slurry has a mixing index of at least about 0.9.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: November 19, 2019
    Assignee: 24M Technologies, Inc.
    Inventors: Yet-Ming Chiang, Mihai Duduta, Richard Holman, Pimpa Limthongkul, Taison Tan
  • Patent number: 10461293
    Abstract: In accordance with at least selected embodiments, novel or improved separator membranes, separators, batteries including such separators, methods of making such membranes and/or separators, and/or methods of using such membranes and/or separators are disclosed or provided. In accordance with at least certain embodiments, an ionized radiation treated microporous polyolefin, polyethylene (PE), copolymer, and/or polymer blend (e.g., a copolymer or blend comprising PE and another polymer, such as polypropylene (PP)) battery separator for a secondary or rechargeable lithium battery and/or a method of making an ionized radiation treated microporous battery separator is disclosed.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: October 29, 2019
    Assignee: Celgard, LLC
    Inventors: Changqing Wang Adams, Michael Bielmann, Zhengming Zhang
  • Patent number: 10418631
    Abstract: The present invention relates to a printing or spray deposition method for preparing a supported flexible electrode and to a method for manufacturing a lithium-ion battery.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: September 17, 2019
    Assignees: INSTITUT POLYTECHNIQUE DE GRENOBLE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Davide Beneventi, Didier Chaussy, Oussama El Baradai, Lara Jabbour, Roberta Bongiovanni
  • Patent number: 10411262
    Abstract: An aqueous metal-ion battery and a method for constructing same. In one embodiment, the battery includes an aqueous electrolyte and at least one electrode comprising at least one organic electrode material. A method comprises incorporating an organic electrode material into the electrode of an aqueous metal-ion battery. The organic electrode material further comprises at least one material chosen from carbonyl compounds.
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: September 10, 2019
    Assignee: UNIVERSITY OF HOUSTON SYSTEM
    Inventors: Yan Yao, Yanliang Liang
  • Patent number: 10381643
    Abstract: An alkaline electrochemical cell, preferably a zinc/air cell which includes a container; a negative electrode, a positive electrode, wherein said negative electrode and said positive electrode are disposed within the container, a separator located between the negative electrode and the positive electrode, and an alkaline electrolyte, wherein the negative electrode comprises zinc, and a branched chain fluorosurfactant. The fluorosurfactant is preferably a sulfotricarballylate surfactant with multiple fluorinated end groups.
    Type: Grant
    Filed: October 7, 2015
    Date of Patent: August 13, 2019
    Assignee: Energizer Brands, LLC
    Inventor: Jack W. Marple
  • Patent number: 10361404
    Abstract: Anode formulations and designs for use in biocompatible energization elements are described. In some examples, a field of use for the apparatus may include any biocompatible device or product that requires energization elements.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: July 23, 2019
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frederick A. Flitsch, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner
  • Patent number: 10340549
    Abstract: A electrolyte is an electrolyte represented by the following formula (1): (Li7?3x+yGax)(La3?yCay)Zr2O12??(1) wherein 0.1?x?1, and 0.01?y?0.5.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: July 2, 2019
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hitoshi Yamamoto, Tomofumi Yokoyama
  • Patent number: 10319982
    Abstract: Provided is an iron based electrode comprising a single layer of a conductive substrate coated on at least one side with a coating comprising an iron active material and a binder. The iron based electrode is useful in a Ni—Fe battery as the anode. The electrode can also be prepared by continuously coating each side of the substrate with a coating mixture comprising the iron active material and binder.
    Type: Grant
    Filed: January 31, 2014
    Date of Patent: June 11, 2019
    Assignee: ENCELL TECHNOLOGY, INC.
    Inventor: Randy Gene Ogg
  • Patent number: 10276869
    Abstract: The invention is directed towards an electrochemically active cathode material. The electrochemically active cathode includes beta-delithiated layered nickel oxide. The beta-delithiated layered nickel oxide has an X-ray diffraction pattern. The X-ray diffraction pattern of the beta-delithiated layered nickel oxide includes a first peak from about 14.9°2? to about 16.0°2?; a second peak from about 21.3°2? to about 22.7°2?; a third peak from about 37.1°2? to about 37.4°2?; a fourth peak from about 43.2°2? to about 44.0°2?; a fifth peak from about 59.6°2? to about 60.6°2?; and a sixth peak from about 65.4°2? to about 65.9°2?.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: April 30, 2019
    Assignee: DURACELL U.S. OPERATIONS, INC.
    Inventors: Jennifer A. Nelson, David Lloyd Anglin, Mariarosa Brundu, Paul Albert Christian
  • Patent number: 10263257
    Abstract: Provided herein is electrode assembly for a nonaqueous electrolyte secondary battery, comprising at least one anode, at least one cathode and at least one separator interposed between the at least one anode and at least one cathode, wherein the at least one anode comprises an anode current collector and an anode electrode layer, and the at least one cathode comprises a cathode current collector and a cathode electrode layer, wherein each of the cathode and anode electrode layers independently has a void volume of less than 35%, and wherein each of the at least one cathode and anode independently has a peeling strength of 0.15 N/cm or more.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: April 16, 2019
    Assignee: GRST International Limited
    Inventors: Kam Piu Ho, Ranshi Wang, Peihua Shen
  • Patent number: 10249891
    Abstract: Provided are an electrolyte-circulating battery in which electrolytes are unlikely to be oxidized and are easily cooled, a heat exchanger in which a corrosive liquid flowing through the inside thereof is unlikely to be oxidized and is easily cooled, and a pipe in which a corrosive liquid flowing through the inside thereof is unlikely to be oxelectrolyte-circulating batteryidized, and which is suitable for cooling the corrosive liquid. The electrolyte-circulating battery includes a battery cell and a circulation passage configured to circulate an electrolyte into the battery cell. The circulation passage includes a complex duct, and the complex duct includes a tubular main body composed of a resin and an oxygen block layer disposed on a periphery of the main body and composed of an organic material that has a lower oxygen transmission rate than the main body.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: April 2, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventor: Atsuo Ikeuchi
  • Patent number: 10249857
    Abstract: A battery assembly includes a plurality of battery cells each including a cell tab and a bus bar connected to the cell tabs of adjacent battery cells. The bus bar including a pair of 180 degree bend regions that each define a channel for receiving a respective cell tab and a cut-out region defining an opening having opposing edge portions that allows direct access to the cell tab within the cut-out region. A weld line connects the cell tab to at least one of the opposing edge portions within the cut-out region.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: April 2, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Steven Daniel Lorentz, Chih-chang Chen, Wayne W. Cai, Nikolay Kondratyev, Roger M. Brisbane
  • Patent number: 10230086
    Abstract: The present invention provides an inexpensive separator having excellent heat resistance and causing no contraction even in a high temperature circumstance nor short circuit while maintaining a high porosity. This separator is characterized in that the flat surfaces of scaly particles are oriented in the extending direction of the surface of the separator, the scaly particles being arranged in layers in the thickness direction of the separator, and fibrous materials are interposed among the scaly particles.
    Type: Grant
    Filed: December 11, 2012
    Date of Patent: March 12, 2019
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventors: Juichi Ino, Atsushi Asada
  • Patent number: 10217992
    Abstract: High energy rechargeable batteries employing catalyzed molten nitrate positive electrodes and alkali metal negative electrodes are disclosed. Novel and advantageous aspects of the present invention are enabled by the provision catalytically active materials that support the reversible formation of NO3? from O2? and NO2? during battery charging. Such catalytically active materials allow highly efficient cycling and selectively eliminate irreversible side reactions that occur when cycling without such catalysts.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: February 26, 2019
    Assignee: Liox Power, Inc.
    Inventors: Dan D. Addison, Vyacheslav Bryantsev, Gregory V. Chase, Vincent Giordani, Jasim Uddin, Wesley Walker
  • Patent number: 10177382
    Abstract: An additive for a positive electrode material includes an internal component and an external component. The internal component contains a silane coupling agent modified inorganic lithium salt. The external component is formed on a surface of the internal component and contains a polymer with a low melting point. The internal component and the external component form a core-shell structure together, and the shell has a porosity of 0.01% to 20%. A positive electrode material and a lithium-ion battery including the additive, and method of preparing the lithium-ion battery are also provided.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: January 8, 2019
    Assignee: BYD COMPANY LIMITED
    Inventors: Xiaoyan Han, Shicai Li, Zhongchun Zhang
  • Patent number: 10170776
    Abstract: A fuel cell module includes combustion gas channel members connected to a combustor and extending upward along the fuel cell stack. The combustion gas channel members have combustion gas channels, and combustion gas ejection holes. A combustion gas produced in the combustor flows through the combustion gas channels upward, and the combustion gas ejection holes are connected to the combustion gas channels for releasing the combustion gas toward side surfaces of the fuel cell stack.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: January 1, 2019
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroki Homma, Keiji Tsukamoto
  • Patent number: 10147975
    Abstract: A lithium ion secondary battery includes an aqueous electrolyte solution and has a high discharge capacity. The lithium ion secondary battery includes an anode layer including an anode active material, a cathode layer including a cathode active material, and an electrolyte solution including a solvent and an electrolyte, wherein the anode active material includes elemental sulfur, the cathode active material includes Li element, such as a Li-containing compound, the solvent includes water as a main component, the electrolyte includes lithium bis(trifluoromethanesulfonyl)imide, and the electrolyte solution includes no less than 10 mol of the lithium bis(trifluoromethanesulfonyl)imide per 1 kg of the water.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: December 4, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hiroshi Suyama, Hideki Nakayama, Nozomu Kobayashi
  • Patent number: 10026934
    Abstract: A rechargeable battery is provided which includes a stacked electrode assembly in a pouch where the electrode assembly changes in length due to an applied bending stress. According to an exemplary embodiment, a rechargeable battery includes: an electrode assembly including a first electrode, a separator, and a second electrode stacked together and the first electrode, the separator, and the second electrode being fixed with respect to each other by a fixed part at one side of the electrode assembly; and a flexible case accommodating the electrode assembly therein, wherein a gap between a free end of the electrode assembly and an inner surface of the case to accommodate a change in length of the electrode assembly at the free end when the electrode assembly is bent.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: July 17, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jun-Won Suh, Jeong-Doo Yi, Ju-Hyeong Han, Ju-Hee Sohn, Hyun-Hwa Song, Seok-Hun Hong
  • Patent number: 10020552
    Abstract: A metal air battery includes: at least one gas diffusion layer including a first surface and a second surface facing the first surface; at least one cathode layer disposed on the first surface and on the second surface of the gas diffusion layer and configured to use oxygen as an active material; an electrolyte membrane disposed on the cathode layer; an metal anode layer disposed on the electrolyte membrane; and a cathode current collector including at least one blade, wherein the gas diffusion layer is electrically conductive, and wherein the at least one blade of the cathode current collector contacts and is at least partially embedded in the gas diffusion layer.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: July 10, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joonhee Kim, Kyounghwan Choi, Jungock Park
  • Patent number: 9997767
    Abstract: Provided is a process for preparing an electrode comprising an iron active material. The process comprises first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant to thereby create an oxidized surface. The resulting iron electrode is preconditioned prior to any charge-discharge cycle to have the assessable surface of the iron active material in the same oxidation state as in discharged iron negative electrodes active material.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: June 12, 2018
    Assignee: ENCELL TECHNOLOGY, INC.
    Inventors: Randy Gene Ogg, Michael Roders, Michael Meese
  • Patent number: 9960399
    Abstract: A multi-functional battery separator comprises two or more active separator layers deposited from different polymer solutions to form a multilayered unitary structure comprising a free-standing film, a multiplex film on one side of a porous substrate, or separate films or multiplex films on opposite sides of a porous substrate. In a preferred embodiment, the cascade coating method is used to simultaneously deposit the active separator layers wet so that the physical, electrical and morphological changes associated with the polymer drying out process are avoided or minimized. The multi-functional separator is inexpensive to fabricate, exhibits enhanced ionic conductivity and ionic barrier properties, and eliminates gaps between individual layers in a separator stack that can contribute to battery failure.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: May 1, 2018
    Assignee: ZPower, LLC
    Inventors: Hieu Duong, George Adamson
  • Patent number: 9911980
    Abstract: Provided herein is a battery and an electrode. The battery may include two electrodes; and an electrolyte, wherein at least one electrode further includes: a nano-scale coated network, which includes one or more first carbon nanotubes electrically connected to one or more second carbon nanotubes to form a nano-scale network, wherein at least one of the one or more second carbon nanotubes is in electrical contact with another of the one or more second carbon nanotubes. The battery may further include an active material coating distributed to cover portions of the one or more first carbon nanotubes and portions of the one or more second carbon nanotubes, wherein a plurality of the one or more second carbon nanotubes are in electrical communication with other second carbon nanotubes under the active material coating. Also provided herein is a method of making a battery and an electrode.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: March 6, 2018
    Assignee: Wellstat BioCatalysis, LLC
    Inventor: Evgeniya Freydina
  • Patent number: 9882203
    Abstract: A method for manufacturing an alkaline battery includes assembling an alkaline battery with a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes cobalt and a positive electrode active material particle, which has a main component that is nickel hydroxide. The positive electrode active material particle has a coating layer that includes cobalt oxyhydroxide. At least one of the positive electrode, the negative electrode, and the electrolyte includes a tungsten element. The method further includes charging the assembled alkaline battery so that the cobalt in the positive electrode is deposited as cobalt oxyhydroxide on a surface of the positive electrode active material particle.
    Type: Grant
    Filed: August 29, 2015
    Date of Patent: January 30, 2018
    Assignee: PRIMEARTH EV ENERGY CO., LTD.
    Inventors: Kenichi Maehara, Kazuki Nakano, Hiroyuki Sakamoto
  • Patent number: 9865868
    Abstract: A method of producing a negative electrode material for use in a non-aqueous electrolyte secondary battery, including: making base powder containing silicon; measuring a volume average particle diameter of this powder by particle size distribution with laser diffractometry; randomly sampling 5000 particles or more from the powder and measuring their roundness; selecting the powder if the volume average particle diameter ranges from 0.5 to 20 ?m, the roundness of the sampled particles is 0.93 or more on average, and a ratio of the number of particles having a roundness of 0.85 or less is 5% or less; and coating the selected powder with carbon. A negative electrode material useful for a non-aqueous electrolyte secondary battery that has excellent cycle performance and makes the best use of advantages of a silicon-contained material, a method of producing this negative electrode material, and a lithium-ion secondary battery.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: January 9, 2018
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventor: Koichiro Watanabe
  • Patent number: 9853291
    Abstract: A negative electrode for a rechargeable lithium battery, including a negative active material layer including a polymer binder including a repeating unit represented by the following Chemical Formula 1 or the following Chemical Formula 2 and a Si-based negative active material; and a current collector supporting the negative active material layer, is provided: wherein in Chemical Formulae 1 and 2, R1 and R2 are the same or different and hydrogen, OH or OOH.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: December 26, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Se-Ho Park, Bong-Chull Kim, Dong-Yung Kim, Cheol-Hee Hwang, Hyun-Jun Choi
  • Patent number: 9843036
    Abstract: A method for manufacturing an alkaline battery includes assembling an alkaline battery with a positive electrode, a negative electrode, a separator, and an electrolyte. The positive electrode includes cobalt and a positive electrode active material particle, which has a main component that is nickel hydroxide. The positive electrode active material particle has a coating layer that includes cobalt oxyhydroxide. At least one of the positive electrode, the negative electrode, and the electrolyte includes a tungsten element. The method further includes charging the assembled alkaline battery so that the cobalt in the positive electrode is deposited as cobalt oxyhydroxide on a surface of the positive electrode active material particle.
    Type: Grant
    Filed: August 29, 2015
    Date of Patent: December 12, 2017
    Assignee: PRIMEARTH EV ENERGY CO., LTD.
    Inventors: Kenichi Maehara, Kazuki Nakano, Hiroyuki Sakamoto
  • Patent number: 9755226
    Abstract: There is provided a nickel-metal hydride storage battery with suppression of rise in internal pressure, allowing suppression of alkaline electrolyte leakage even when two or more of the batteries are used. The battery includes: positive and negative electrodes; a separator interposed therebetween; and an alkaline electrolyte. The negative electrode includes: a material mixture layer including hydrogen storage alloy powder capable of electrochemically absorbing and releasing hydrogen; and a water-repellent layer including a first polymer including tetrafluoroethylene as monomer units, formed on the material mixture layer. The separator includes: a primary layer having a non-woven fabric structure of fibers; and a composite layer formed on the primary layer and being in contact with the water-repellent layer. The composite layer includes: fibers in continuity with the non-woven fabric structure; and a second polymer including tetrafluoroethylene as monomer units.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: September 5, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinichi Sumiyama, Yasushi Nakamura, Akiko Okabe, Fumio Kato
  • Patent number: 9748599
    Abstract: The present invention relates to a method for combining anode pre-lithiation, limited-voltage formation cycles, and accelerating aging via heated storage to maximize specific capacity, volumetric capacity density and capacity retention of a lithium-ion electrochemical cell.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: August 29, 2017
    Assignee: NANOSCALE COMPONENTS, INC.
    Inventors: Robert W. Grant, Matthew Sweetland, Asela Maha Acharige, Ronald Wohl
  • Patent number: 9716273
    Abstract: A positive active material for a rechargeable lithium battery includes a lithium composite metal oxide represented by Chemical Formula 1. A method of preparing the positive active material includes adding a lithium metal oxide represented by Chemical Formula 2 to a Zr salt-containing solution to obtain a mixed solution, drying the mixed solution to obtain a dried product, and heat-treating the dried product to prepare a lithium composite metal oxide represented by Chemical Formula 1. A rechargeable lithium battery includes a positive electrode including the positive active material. LiaZrbNicCodMeZrfO2??[Chemical Formula 1] where, 0.9?a?1.1, 0<b?0.1, 0?c?1, 0?d?1, 0?e?1, 0?f?0.1, 0.9?a+b?1.1, c+d+e+f=1, and M is Mn or Al, LiaNigCohMiO2??[Chemical Formula 2] where, 0.9?a?1.1, 0?g?1, 0?h?1, 0?i?1, g+h+i=1 and M is Mn or Al.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: July 25, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ming-Zi Hong, Do-Hyung Park, Seon-Young Kwon, Joong-Ho Moon, Ji-Hyun Kim, Han-Eol Park, Min-Han Kim, Myong-A Woo, Ki-Hyun Kim, Jong-Seo Choi
  • Patent number: 9692871
    Abstract: An information processing method and an electronic device are disclosed. The information processing method is applied to a first electronic device. When the device orientation of the first electronic device is a first device orientation at a first time instant, the method includes: obtaining, by a first sensor of the first electronic device, a first sensing parameter indicating that the device orientation is a second device orientation at a second time instant after the first time instant; determining, based on the first sensing parameter, whether the second device orientation differs from the first device orientation, and obtaining a first determination; and generating a first instruction for entering into a voice record state when the second device orientation differs from the first device orientation and the second device orientation meets a predetermined condition.
    Type: Grant
    Filed: March 29, 2014
    Date of Patent: June 27, 2017
    Assignees: Beijing Lenovo Software Ltd., Lenovo (Beijing) Co., Ltd.
    Inventors: Jiao Ren, Xu Jia, Yuanyi Zhang, Cheng Guo
  • Patent number: 9685653
    Abstract: An object is to suppress electrochemical decomposition of an electrolyte solution and the like at a negative electrode in a lithium ion battery or a lithium ion capacitor; thus, irreversible capacity is reduced, cycle performance is improved, or operating temperature range is extended. A negative electrode for a power storage device including a negative electrode current collector, a negative electrode active material layer which is over the negative electrode current collector and includes a plurality of particles of a negative electrode active material, and a film covering part of the negative electrode active material. The film has an insulating property and lithium ion conductivity.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: June 20, 2017
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuhiro Inoue, Sachiko Kataniwa, Kazutaka Kuriki, Junpei Momo
  • Patent number: 9637861
    Abstract: An insulating (nonconductive) microporous polymeric battery separator comprised of a single layer of enmeshed microfibers and nanofibers is provided. Such a separator accords the ability to attune the porosity and pore size to any desired level through a single nonwoven fabric. Through a proper selection of materials as well as production processes, the resultant battery separator exhibits isotropic strengths, low shrinkage, high wettability levels, and pore sizes related directly to layer thickness. The overall production method is highly efficient and yields a combination of polymeric nanofibers within a polymeric microfiber matrix and/or onto such a substrate through high shear processing that is cost effective as well. The separator, a battery including such a separator, the method of manufacturing such a separator, and the method of utilizing such a separator within a battery device, are all encompassed within this invention.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: May 2, 2017
    Assignee: Dreamweaver International, Inc.
    Inventor: Brian G. Morin
  • Patent number: 9634323
    Abstract: A metal-air battery (1) includes a negative electrode (3), a positive electrode (2), and an electrolyte layer (4) disposed between the negative electrode (3) and the positive electrode (2). The negative electrode (3) includes a base member (31) which has a coiled shape and is formed of a conductive material and a deposited metal layer (32) in powder or particle state, which is formed on a surface of the base member (31) by electrolytic deposition. The electrolyte layer (4) contains an alkaline aqueous solution which contains the same metal as the deposited metal layer (32), and the positive electrode (2) has a tubular shape which is concentric with the negative electrode (3) having the coiled shape and surrounds the negative electrode (3). In this metal-air battery (1), it is possible to suppress occurrence of dendrites in the negative electrode (3).
    Type: Grant
    Filed: January 9, 2014
    Date of Patent: April 25, 2017
    Assignee: HITACHI ZOSEN CORPORATION
    Inventors: Kazuya Kameyama, Masanobu Aizawa
  • Patent number: 9633924
    Abstract: A package structure and method for forming the same are provided. The package structure includes a substrate and a semiconductor die formed over the substrate. The package structure also includes a package layer covering the semiconductor die and a conductive structure formed in the package layer. The package structure includes a first insulating layer formed on the conductive structure, and the first insulating layer includes monovalent metal oxide. A second insulating layer is formed between the first insulating layer and the package layer. The second insulating layer includes monovalent metal oxide, and a weight ratio of the monovalent metal oxide in the second insulating layer is greater than a weight ratio of the monovalent metal oxide in first insulating layer.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: April 25, 2017
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Hua Yu, Jing-Cheng Lin, Tsei-Chung Fu