Patents Examined by Harry D. Wilkins, III
  • Patent number: 10472725
    Abstract: The invention relates to nonferrous metallurgy and may be suitable for controlling the feed of alumina to electrolytic cells for producing aluminum to maintain the alumina concentration in the electrolytic melt equal or close to the saturation value. To maintain the alumina concentration within the set range, reduced voltage U or pseudo-resistance R is measured and recorded at fixed time intervals. Underfeeding or overfeeding phases occur compared to a theoretical alumina feeding rate during electrolysis, wherein the duration of underfeeding phases is based on the alumina concentration in the electrolytic melt, and the duration of overfeeding phases is based on the change of one or more electrolytic cell parameters being recorded: reduced voltage, U, pseudo-resistance, R, rates of reduced voltage, dU/dt, pseudo-resistance, dR/dt, change. Adjustments to the anode-cathode distance to maintain the electrolytic cell energy balance may be performed during any of the feeding phases.
    Type: Grant
    Filed: June 19, 2014
    Date of Patent: November 12, 2019
    Assignee: UNITED COMPANY RUSAL ENGINEERING AND TECHNOLOGY CENTRE LLC
    Inventors: Dmitriy Aleksandrovich Simakov, Aleksandr Olegovich Gusev, Kirill Borisovich Bakin
  • Patent number: 10465300
    Abstract: The present invention provides a gas generator, comprising a water tank and an electrolysis device. The water tank has a first hollow portion for containing electrolyzed water. The electrolysis device is disposed inside the first hollow portion of the water tank for electrolyzing the electrolyzed water to generate a hydrogen-oxygen mixed gas. When the electrolysis device starts to electrolyze the electrolyzed water, the first hollow portion of the water tank is filled with the electrolyzed water for standing at a full level of water. And after the electrolysis device electrolyzed the electrolyzed water, the level of water for the electrolyzed water filled into the first hollow portion of the water tank is higher than 95% of the full level of water. The gas generator of the present invention provides the design for saving space and nearly a zero gas chamber to reduce the possibility of explosions resulting from hydrogen-oxygen mixed gas.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: November 5, 2019
    Inventor: Hsin-Yung Lin
  • Patent number: 10465307
    Abstract: An apparatus for stereo-electrochemical deposition of metal layers consisting of an array of anodes, a cathode, a positioning system, a fluid handling system for an electrolytic solution, communications circuitry, control circuitry and software control. The anodes are electrically operated to promote deposition of metal layers in any combination on the cathode to fabricate a structure.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 5, 2019
    Assignee: Fabric8Labs, Inc.
    Inventors: David Forrest Pain, David Morgan Wirth, Jeffrey William Herman
  • Patent number: 10465302
    Abstract: An improved, gaseous electrolysis apparatus can include a cooled header for electric connections or couplings, an exemplary co-disposed, coaxial heat exchanger around the reaction chamber to extract heat from the reaction chamber and exemplary rugged gas source and collection manifold(s) to support fixed and/or mobile applications in an embodiment. The system can include a heated anode and co-disposed cylindrical cathode within the reaction chamber and an improved electronic control circuit in an embodiment.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: November 5, 2019
    Assignee: Marathon Systems, Inc.
    Inventors: Ernest Charles Alcaraz, Monte S. Chawla, Randolph R. Davis, Dorin A. Jannotta, Austin Lowrey, III, Thomas F. McGraw, Frederick Sandel, Donald J. Waltman
  • Patent number: 10450660
    Abstract: Electrochemical cells and methods are described that can be utilized for the recovery of tritium directly from a molten lithium metal solution without the need for a separation or concentration step prior to the electrolytic recovery process. The methods and systems utilize an ion conducting electrolyte that conducts either lithium ion or tritide ion across the electrochemical cell.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: October 22, 2019
    Assignee: Savannah River Nuclear Solutions, LLC
    Inventors: Brenda L. Garcia-Diaz, David W. Babineau, Hector R. Colon-Mercado, Joseph A. Teprovich, Luke C. Olson, Roderick E. Fuentes
  • Patent number: 10443136
    Abstract: An electrochemical reaction device comprises: an electrolytic solution tank including a first region, a second region, and a path; a reduction electrode disposed in the first region; an oxidation electrode disposed in the second region; and a power source connected to the reduction electrode and oxidation electrode; and a plurality of ion exchange membranes separating the first region and the second region.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: October 15, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akihiko Ono, Satoshi Mikoshiba, Jun Tamura, Norihiro Yoshinaga, Yoshitsune Sugano
  • Patent number: 10428434
    Abstract: The present invention provides an additive for high-purity copper electrolytic refining, a method of producing high-purity copper, and a high-purity electrolytic copper. This additive of the present invention for high-purity copper electrolytic refining can be added to a copper electrolyte in copper electrolytic refining. The additive includes a silver and chlorine reducing agent of electrolytic copper which is formed of tetrazoles which is one of a tetrazole and a tetrazole derivative.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: October 1, 2019
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Yoshie Tarutani, Kenji Kubota, Kiyotaka Nakaya
  • Patent number: 10415147
    Abstract: In one embodiment, an electrolytic cell for the production of aluminum from alumina includes: at least one anode module having a plurality of anodes; at least one cathode module, opposing the anode module, wherein the at least one cathode module comprises a plurality of cathodes, wherein the plurality of anodes are suspended above the cathode module and extending downwards towards the cathode module, wherein the plurality of cathodes are positioned extending upwards towards the anode module, wherein each of the plurality of anodes and each of the plurality of cathodes are alternatingly positioned, wherein the plurality of anodes is selectively positionable in a horizontal direction relative to adjacent cathodes, wherein the anode module is selectively positionable in a vertical direction relative to the cathode module, and wherein a portion of each of the anode electrodes overlap a portion of adjacent cathodes.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: September 17, 2019
    Assignee: ELYSIS LIMITED PARTNERSHIP
    Inventor: Xinghua Liu
  • Patent number: 10415145
    Abstract: The present invention relates to an apparatus for generating electrolyzed water, which generates hydrogen water comprising hydrogen molecules in a high concentration. Two sheets of porous cathode plates each provided on the surface thereof with an ion-exchange membrane are provided across an anode plate so as for the ion-exchange membranes to face the anode plate and so as to form a space allowing water to flow therethrough, between the anode plate and each of the ion-exchange membranes, and thus four electrolysis chambers are formed.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: September 17, 2019
    Assignees: Gohda Water Treatment Technology Co., Inc.
    Inventor: Toshihisa Gohda
  • Patent number: 10415122
    Abstract: A cermet material includes as mass percentages, at least: 50% to 90% of a metallic phase containing an alloy of copper (Cu) and nickel (Ni), and 10% to 50% of an oxide phase containing at least iron, nickel and oxygen with the following proportion by mass of Ni: 0.2%?Ni?17%. An electrode, preferably an anode, may include this cermet material.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: September 17, 2019
    Assignee: ELYSIS LIMITED PARTNERSHIP
    Inventors: Christian Barthelemy, Ariane Marmottant, VĂ©ronique Laurent, Sylvie Bouvet, Vincent Stabrowski
  • Patent number: 10407780
    Abstract: An electrochemical reactor includes positive and negative electrodes. A conductive and/or dielectric liquid is provided between the positive and negative electrodes. A first isolation member provided on the positive electrode isolates the positive electrode from the liquid, and a second isolation member provided on the negative electrode isolates the negative electrode from the liquid. The first and second isolation member each includes a liquid-repellent porous membrane. The reactor further includes a pressure-applying member which pressurizes the liquid to fill the pores of the first and second liquid-repellent porous membranes with the liquid, thereby causing an electrochemical reaction involving the positive and negative electrodes.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: September 10, 2019
    Assignee: M Hikari & Energy Laboratory Co., Ltd.
    Inventor: Masataka Murahara
  • Patent number: 10400340
    Abstract: A cathode catalyst used for conversion of a carbon dioxide gas by an electrochemical reduction includes at least one first catalyst layer and at least one second catalyst layer disposed on a surface of the at least one first catalyst layer. The at least one second catalyst layer is a porous structure. The at least one first catalyst layer and the at least one second catalyst layer are physically combined with each other, and materials of the at least one first catalyst layer and the at least one second catalyst layer are different. A cathode material and a reactor include the cathode catalyst are also provided.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 3, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Jian-Wei Guo, Chen-Chen Zhao, Xiang-Ming He, Li Wang, Jian-Jun Li, Jian Gao
  • Patent number: 10378116
    Abstract: A photoelectrochemical reaction device of an embodiment includes: a first stack including a first electrode, a second electrode, and a photovoltaic layer provided therebetween; a second stack including a third electrode electrically connected to the first electrode, a fourth electrode electrically connected to the second electrode, and an ion migration layer provided therebetween; and an electrolytic solution tank storing a first electrolytic solution in which the third electrode is immersed and a second electrolytic solution in which the fourth electrode is immersed. One of the third and fourth electrodes causes an oxidation reaction, and the other of the third and fourth electrodes causes a reduction reaction. The third and fourth electrodes have ion permeability. An area of the second stack is larger than that of the first stack.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: August 13, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yuki Kudo, Satoshi Mikoshiba, Akihiko Ono, Jun Tamura, Eishi Tsutsumi, Ryota Kitagawa, Chingchun Huang, Yoshitsune Sugano
  • Patent number: 10378081
    Abstract: A method of recovering metals from electronic waste comprises providing a powder comprising electronic waste in at least a first reactor and a second reactor and providing an electrolyte comprising at least ferric ions in an electrochemical cell in fluid communication with the first reactor and the second reactor. The method further includes contacting the powders within the first reactor and the second reactor with the electrolyte to dissolve at least one base metal from each reactor into the electrolyte and reduce at least some of the ferric ions to ferrous ions. The ferrous ions are oxidized at an anode of the electrochemical cell to regenerate the ferric ions. The powder within the second reactor comprises a higher weight percent of the at least one base metal than the powder in the first reactor. Additional methods of recovering metals from electronic waste are also described, as well as an apparatus of recovering metals from electronic waste.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: August 13, 2019
    Assignee: Battelle Energy Alliance, LLC
    Inventors: Tedd E. Lister, Jacob A. Parkman, Luis A. Diaz Aldana, Gemma Clark, Eric J. Dufek, Philip Keller
  • Patent number: 10381635
    Abstract: A method of preparing a high capacity nanocomposite cathode of FeF3 in carbon pores may include preparing a nanoporous carbon precursor, employing electrochemistry or solution chemistry deposition to deposit Fe particles in the carbon pores, reacting nano Fe with liquid hydrofluoric acid to form nano FeF3 in carbon, and milling to achieve a desired particle size.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: August 13, 2019
    Assignee: The Johns Hopkins University
    Inventors: Jeremy D. Walker, Jeffrey P. Maranchi, Edward D. Russell, Jennifer L. Sample, Marcia W. Patchan, Lance M. Baird, Rengaswamy Srinivasan
  • Patent number: 10370766
    Abstract: This disclosure provides systems, methods, and apparatus related to a hybrid photo-electrochemical and photo-voltaic cell. In one aspect, device includes a substrate comprising a semiconductor, a transparent conductor disposed on the second surface of the substrate, a photoanode disposed on the transparent conductor, an electrolyte in electrical communication with the photoanode, and an electrode in contact with the electrolyte. The substrate is doped with a first n-type dopant. A first area of a first surface of the substrate is heavily doped with a first p-type dopant. A second area of the first surface of the substrate is heavily doped with a second n-type dopant. The second surface of the substrate is heavily doped with a second p-type dopant. The electrode is in electrical contact with the second area. The first area is in electrical contact with the second area through an electrical load.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: August 6, 2019
    Assignee: The Regents of the University of California
    Inventors: Gideon Segev, Ian D. Sharp, Hen Dotan, Avner Rothschild
  • Patent number: 10364504
    Abstract: Multilayer porous membranes and methods for fabricating the membranes may have applications in filtration, separation, and nanomanufacturing. The layers of the membrane may be selected based on different physiochemical properties, such as ionization rate and/or etch rate. The pores may be formed by high energy particle bombardment and chemical etching. In some embodiments, the multilayer porous membrane may be utilized to form complex nanostructures by selecting different materials for the layers based on physiochemical properties, layer thickness, stacking sequence, and/or varying the pore generation process.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: July 30, 2019
    Assignee: UNIVERSITY OF HOUSTON
    Inventor: Li Sun
  • Patent number: 10364505
    Abstract: The embodiments herein relate to methods and apparatus for electroplating one or more materials onto a substrate. Typically, the embodiments herein utilize a channeled plate positioned near the substrate, creating a cross flow manifold between the channeled plate and substrate, and on the sides by a flow confinement ring. A seal may be provided between the bottom surface of a substrate holder and the top surface of an element below the substrate holder (e.g., the flow confinement ring). During plating, fluid enters the cross flow manifold through channels in the channeled plate, and through a cross flow inlet, then exits at the cross flow exit, positioned opposite the cross flow inlet. The apparatus may switch between a sealed state and an unsealed state during electroplating, for example by lowering and lifting the substrate and substrate holder as appropriate to engage and disengage the seal.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: July 30, 2019
    Assignee: Lam Research Corporation
    Inventors: Kari Thorkelsson, Aaron Berke, Bryan L. Buckalew, Steven T. Mayer
  • Patent number: 10329676
    Abstract: The present disclosure is a method and system for the reduction of carbon dioxide. The method may include receiving hydrogen gas at an anolyte region of an electrochemical cell including an anode, the anode including a gas diffusion electrode, receiving an anolyte feed at an anolyte region of the electrochemical cell, and receiving a catholyte feed including carbon dioxide and an alkali metal bicarbonate at a catholyte region of the electrochemical cell including a cathode. The method may include applying an electrical potential between the anode and cathode sufficient to reduce the carbon dioxide to at least one reduction product.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: June 25, 2019
    Assignee: Avantium Knowledge Centre B.V.
    Inventors: Jerry J. Kaczur, Prasad Lakkaraju, Kyle Teamey
  • Patent number: 10322788
    Abstract: Disclosed is a ballast water treatment system including: a ballast water supply unit for supplying seawater employed as ballast water to a ballast water tank; an electrolysis device receiving a part of the seawater being supplied to the ballast water tank, and generating sodium hypochlorite and hydrogen gas as by-product gas by electrolyzing the part of the seawater being supplied to the ballast water tank via the ballast water supply unit; and a hydrogen gas removing device receiving a gas-liquid mixture of electrolyzed water and the hydrogen gas that are generated in the electrolysis device, removing the hydrogen gas by a catalyst reaction, and supplying remaining electrolyzed water to the ballast water tank via the ballast water supply unit.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: June 18, 2019
    Assignee: Techwin Co, Ltd.
    Inventors: Boong Ik Jung, Jung Sik Kim, Hyun Su Shin, Sun Duk Hwang