With Specified Electrode Structure Or Material Patents (Class 429/405)
Zinc anode (Class 429/406)
  • Metal-air low temperature ionic liquid cell
    Patent number: 8895197
    Abstract: The present application relates to an electrochemical metal-air cell in which a low temperature ionic liquid is used.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: November 25, 2014
    Assignee: Arizona Board of Regents for and on behalf of Arizona State University
    Inventors: Cody A. Friesen, Daniel A. Buttry
  • Instrumented fluid-surfaced electrode
    Patent number: 8889312
    Abstract: An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support.
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: November 18, 2014
    Assignee: The Invention Science Fund I, LLC
    Inventors: Geoffrey F. Deane, Bran Ferren, William Gates, W. Daniel Hillis, Roderick A. Hyde, Muriel Y. Ishikawa, Edward K. Y. Jung, Jordin T. Kare, Nathan P. Myhrvold, Clarence T. Tegreene, David B. Tuckerman, Thomas Allan Weaver, Charles Whitmer, Lowell L. Wood, Victoria Y. H. Wood
  • ALKALINE BATTERY WITH ELECTROLYTE GRADIENT
    Publication number: 20140335429
    Abstract: A membrane electrode assembly includes a gas diffusion layer, a catalytic layer in fluid communication with the gas diffusion layer, an anodic layer and a bipolar solid electrolyte disposed between the catalytic and anodic layers. The bipolar solid electrolyte inhibits carbonate formation in air breathing alkaline cells and inhibits dendritic growth between the anodic and catalytic layers.
    Type: Application
    Filed: May 10, 2013
    Publication date: November 13, 2014
    Applicant: Zinc Air Fuel Cells, Inc.
    Inventors: Ronald D. Brost, Kristine M. Brost, Howard F. Wilkins, Randolph M. Kosted, Paula J. Kosted, Adam Weisenstein, William A. Garcia, David Wilkins
  • Metal air secondary battery
    Patent number: 8883358
    Abstract: An object of the invention is to reduce the charging overvoltage by using a positive electrode member which does not contain a carbon material that causes the generation of lithium carbonate (Li2CO3), and which comprises a metal porous material, thereby suppressing the formation of lithium carbonate (Li2CO3). The metal air secondary battery of the invention is characterized by having a negative electrode member which has metal ions occluded therein and emits metal ions, a positive electrode member which ionizes oxygen, and a separator which is impregnated with an electrolyte and disposed between the negative electrode member and the positive electrode member, wherein the carbon weight in the total weight of a carrier, a catalyst, and a binder constituting the positive electrode member is 50% or less.
    Type: Grant
    Filed: July 2, 2010
    Date of Patent: November 11, 2014
    Assignee: Hitachi, Ltd.
    Inventors: Shin Takahashi, Kazuhiro Yoshida, Kazushige Kohno
  • METAL-GAS BATTERY SYSTEM
    Publication number: 20140318106
    Abstract: A metal-gas battery that utilizes an exhaust gas stream from a combustion engine as reactive gases is provided. Almost constant concentration of exhaust gases are supplied to the metal-gas battery via an existing engine systematic combustion system. The systematic combustion system keeps a definite air fuel mixture (A/F) that acts to enhance the fuel efficiency of the vehicle, and the metal-gas battery leverages the existing vehicle air management system. Exhaust heat of the exhaust gases is sometimes utilized for the heat control of the vehicle, and then the cooled exhaust gases are introduced into the metal-air battery to be consumed during a cathode reduction reaction to create and store electrical energy. The metal-gas battery supports the cleaning of exhausted gases using existing emission catalysts.
    Type: Application
    Filed: April 29, 2013
    Publication date: October 30, 2014
    Applicant: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Fuminori Mizuno, Paul T. Fanson
  • Metal-air battery with reduced gas diffusion layer
    Patent number: 8871394
    Abstract: A metal-air battery according to the present disclosure includes an electrode assembly with a first electrode layer having a length and being folded lengthwise, and a gas diffusion layer having a length that is approximately half the length of the first electrode layer. Furthermore, the gas diffusion layer is positioned proximate the first electrode layer or between first and second portions of the first electrode layer.
    Type: Grant
    Filed: March 7, 2014
    Date of Patent: October 28, 2014
    Assignee: ZAF Energy Systems, Incorporated
    Inventors: William A. Garcia, Howard F. Wilkins
  • AIR BATTERY
    Publication number: 20140315106
    Abstract: An air battery includes a cathode layer and an anode layer sandwiching an electrolyte layer, and an electrically insulative outer case. The cathode layer has a cathode member, a cathode current collector and a liquid tight/gas permeable member. The cathode layer is provided with a contact member between the outer case and the cathode layer, in which the inner end thereof is in contact with the periphery of the cathode current collector, and the outer end thereof is exposed on a cathode-side surface. The outer end of the contact member protrudes outward with respect to a surface of the liquid tight/gas permeable member to an extent reaching at least a plane including an end face of the outer case. Therefore, this air battery can be directly connected to another battery in series, and is suitable for an on-vehicle power source.
    Type: Application
    Filed: October 30, 2012
    Publication date: October 23, 2014
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Atsushi Miyazawa, Mori Nagayama, Yoshiko Tsukada, Nobutaka Chiba
  • METAL-AIR BATTERY
    Publication number: 20140315107
    Abstract: Provided is a metal-air battery which has higher discharge capacity than conventional metal-air batteries. The present invention is a metal-air battery, which comprises a positive electrode layer, a negative electrode layer and an electrolyte layer that is arranged between the positive electrode layer and the negative electrode layer, and wherein the positive electrode layer contains a carbon material and is provided with two or more through holes that penetrate the positive electrode layer in the thickness direction.
    Type: Application
    Filed: December 9, 2011
    Publication date: October 23, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yutaka Hirose
  • Cathode for Lithium-Air Battery, Method Of Manufacturing The Same, And Lithium-Air Battery Comprising The Same
    Publication number: 20140315105
    Abstract: This invention relates to a cathode for a lithium-air battery, a method of manufacturing the same and a lithium-air battery including the same. The method of manufacturing the cathode for a lithium-air battery includes 1) stirring a cobalt salt, triethanolamine and distilled water, thus preparing a cobalt solution, 2) electroplating the cobalt solution on a porous support, thus preparing a cobalt plated porous support, 3) reacting the cobalt plated porous support with a mixture solution including oxalic acid, water and ethanol, thus forming cobalt oxalate on the porous support, and 4) thermally treating the cobalt oxalate.
    Type: Application
    Filed: August 14, 2013
    Publication date: October 23, 2014
    Applicant: Korea Institute of Energy Research
    Inventors: JONG-WON LEE, Kyu-Nam Jung, Kyung-Hee Shin, Rak-Hyun Song, Seok-Joo Park, Seung-Bok Lee, Tak-Hyoung Lim, Su-Keun Yoon, Ahmer Riaz
  • Instrumented fluid-surfaced electrode
    Patent number: 8865361
    Abstract: An electrochemical device (such as a battery) includes at least one electrode having a fluid surface and one or more sensors configured to detect an operating condition of the device. Fluid-directing structures may modulate flow or retain fluid in response to the sensors. An electrolyte within the device may also include an ion-transport fluid, for example infiltrated into a porous solid support.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: October 21, 2014
    Assignee: The Invention Science Fund I, LLC
    Inventors: Geoffrey F. Deane, Bran Ferren, William Gates, W. Daniel Hillis, Roderick A. Hyde, Muriel Y. Ishikawa, Edward K. Y. Jung, Jordin T. Kare, Nathan P. Myhrvold, Clarence T. Tegreene, David B. Tuckerman, Thomas Allan Weaver, Charles Whitmer, Lowell L. Wood, Victoria Y. H. Wood
  • METHOD OF MANUFACTURING DISPERSION LIQUID FOR ELECTRODE CATALYST, DISPERSION LIQUID FOR ELECTRODE CATALYST, METHOD OF MANUFACTURING ELECTRODE CATALYST, ELECTRODE CATALYST, ELECTRODE STRUCTURE, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL AND AIR CELL
    Publication number: 20140308592
    Abstract: A method of manufacturing a dispersion liquid for an electrode catalyst, the method comprising a step of supporting a precious metal on the surface of a carrier by an electrodeposition process using a raw material mixed solution in which a particulate carrier is dispersed in a solvent and a compound including the precious metal element is dissolved in the solvent, wherein the carrier has oxygen reduction capability and is free of precious metal elements.
    Type: Application
    Filed: September 5, 2012
    Publication date: October 16, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Hajime Maki, Yutaka Ito, Yoshinari Sawabe, Kenichiro Ota
  • CELL SYSTEM
    Publication number: 20140308593
    Abstract: A cell system using air as a positive-electrode active material and a metal substance as a negative-electrode active material includes a thin film of the metal substance, a pair of reels, each end being connected to the thin film, an electrode positioned in a vicinity of a path of the thin film between each of the reels, and a molten solution that is positioned downstream of the electrode and melts the metal substance oxidized when power is generated. The metal substance may include, for example, magnesium, aluminum, zinc, lithium and iron, the electrode may include a copper electrode, and the molten solution may include a hydrochloric acid solution, a sulfuric acid solution and an acetic acid solution. The cell system includes the pair or reels to which the thin film is connected, where the pair of reels may be configured by a cartridge type.
    Type: Application
    Filed: December 28, 2011
    Publication date: October 16, 2014
    Applicant: YABE SCIENCE PROMOTION LLC
    Inventor: Setsuko Yabe
  • GRADIENT POROUS ELECTRODE ARCHITECTURES FOR RECHARGEABLE METAL-AIR BATTERIES
    Publication number: 20140308594
    Abstract: A cathode for a metal air battery includes a cathode structure having pores. The cathode structure has a metal side and an air side. The porosity decreases from the air side to the metal side. A metal air battery and a method of making a cathode for a metal air battery are also disclosed.
    Type: Application
    Filed: April 11, 2013
    Publication date: October 16, 2014
    Inventors: Nancy J. DUDNEY, James W. KLETT, Jagjit NANDA, Chaitanya Kumar NARULA, Sreekanth PANNALA
  • ALKALI METAL-OXYGEN CELL HAVING A TITANATE ANODE
    Publication number: 20140308591
    Abstract: An alkali metal-oxygen cell includes a negative electrode, an oxygen electrode, and a separator configured to conduct alkali metal ions. To improve the cycling stability of the negative electrode and also the cycling stability, the life, the high-current loading capability, the pulse loading capability and the safety behavior of the cell, the negative electrode includes at least one alkali metal titanate. In particular the at least one alkali metal titanate is one into or from which an alkali metal can reversibly be intercalated and deintercalated.
    Type: Application
    Filed: March 20, 2014
    Publication date: October 16, 2014
    Applicants: Samsung SDI Co., Ltd., Robert Bosch GmbH
    Inventors: Ulrich Alkemade, Thomas Wöhrle, Joachim Fetzer
  • Air Electrode Catalyst
    Publication number: 20140302407
    Abstract: This invention proposes metal complexes of polyphenylenediamines as the precursors of carbonized materials used as air electrode catalysts. Method of production includes mixing phenylenediamine monomer with a catalyst carrier in a solvent and adding an oxidant with metal salt to produce a metal complex of polyphenylenediamine. After drying the precursor is heat treated in the temperature range 400° C.-1000° C.° in nitrogen. Then the catalyst is leached and heat treated once again. In a modified procedure the heat treatment is carried out in air while leaching and subsequent thermal treatment are eliminated. The catalyst has demonstrated high performance and stability as the component of the air electrode of a metal-air battery.
    Type: Application
    Filed: March 6, 2014
    Publication date: October 9, 2014
    Applicant: Panisolar Inc
    Inventors: Iakov Kogan, Anna Khomenko
  • ELECTRODE AND MANUFACTURING METHOD THEREOF
    Publication number: 20140295293
    Abstract: Provided is an electrode that contributes to higher performance improvement of batteries and capacitors by selecting a dispersant not only for uniformalizing an electrode structure but also playing the performance improvement role for the batteries or capacitors. An electrode 1 includes an active material 2 and a conductive additive 3. The electrode 1 also includes a dispersant 5, and the dispersant 5 is adsorbed onto the surfaces of the conductive additive 3 and the active material 2. More preferably, the electrode 1 includes the dispersant 5 having at least one kind selected from a group consisting of molecular structures, atoms, and ions which acts as a charge transfer medium, and most preferably, the electrode 1 includes the dispersant 5 having the same charge as the charge transfer medium contained in the active material 2.
    Type: Application
    Filed: March 24, 2014
    Publication date: October 2, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hidefumi NIKAWA, Toshio TOKUNE
  • LITHIUM AIR BATTERY AND LITHIUM ION SECONDARY BATTERY
    Publication number: 20140295294
    Abstract: A lithium air battery 1 includes: a cathode 11 in which oxygen is used as a cathode active material; an anode 12 that has an anode active material capable of storing and releasing lithium ions; and an electrolytic solution that is held between the cathode 11 and the anode 12, in which the electrolytic solution includes a solvent represented by the following formula (1): (wherein x represents an integer of 1 to 3; m and n each independently represent an integer of 1 to 2x+1, a and b each independently represent an integer of 0 to 2, and m+n+a+b?3).
    Type: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicant: HONDA MOTOR CO., LTD.
    Inventor: Mahito CHIBA
  • STORAGE ELEMENT FOR A SOLID ELECTROLYTE ENERGY STORE
    Publication number: 20140295297
    Abstract: A storage element for a solid electrolyte energy store and a method of producing a storage element are provided. The storage element has a three-dimensional grid structure made of a material that comprises an electron-conducting redox pair.
    Type: Application
    Filed: October 17, 2012
    Publication date: October 2, 2014
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Carsten Schuh, Thomas Soller
  • RECHARGEABLE ANION BATTERY CELL USING A MOLTEN SALT ELECTROLYTE
    Publication number: 20140295295
    Abstract: A rechargeable electrochemical battery cell includes a molten carbonate salt electrolyte whose anion transports oxygen between a metal electrode and an air electrode on opposite sides of the electrolyte, where the molten salt electrolyte is retained inside voids of a porous electrolyte supporting structure sandwiched by the electrodes, and the molten salt includes carbonate including at least one of the alkaline carbonate including Li2Co2, NA2CO2, and K2CO2, having a melting point between 400° C. and 800° C.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 2, 2014
    Inventor: Chun Lu
  • METAL-AIR CELL PROVIDED WITH GEL-FORM SOLID ELECTROLYTE
    Publication number: 20140295296
    Abstract: There is provided a lithium-air secondary cell having an air electrode, a negative electrode containing metal lithium or a lithium-containing material and a gel-form solid electrolyte, wherein the gel-form solid electrolyte contains a solid electrolyte salt, a solvent, and a specific lipid peptide-type gelator composed.
    Type: Application
    Filed: October 12, 2012
    Publication date: October 2, 2014
    Inventors: Tatsumi Ishihara, Shigeru Mitsui, Nobuhide Miyachi
  • Graphene-based Battery Electrodes Having Continuous Flow Paths
    Publication number: 20140295298
    Abstract: Some batteries can exhibit greatly improved performance by utilizing electrodes having randomly arranged graphene nanosheets forming a network of channels defining continuous flow paths through the electrode. The network of channels can provide a diffusion pathway for the liquid electrolyte and/or for reactant gases. Metal-air batteries can benefit from such electrodes. In particular Li-air batteries show extremely high capacities, wherein the network of channels allow oxygen to diffuse through the electrode and mesopores in the electrode can store discharge products.
    Type: Application
    Filed: May 6, 2014
    Publication date: October 2, 2014
    Applicant: BATTELLE MEMORIAL INSTITUTE
    Inventors: Jiguang Zhang, Jie Xiao, Jun Liu, Wu Xu, Xiaolin Li, Deyu Wang
  • Selectively oxygen-permeable substrate, metal-air battery positive electrode and metal-air battery
    Patent number: 8846256
    Abstract: A selectively oxygen-permeable substrate has a magnetic material dispersion layer having carbon as the main component and a magnetic material dispersed therein. The magnetic material dispersion layer has a gas introduction face for introducing gas into the inside thereof, and the magnetic material dispersion layer is preferably a layer where a magnetic material is dispersed in a porous carbon membrane and can be used as a substrate for a metal-air battery positive electrode. More preferably, the selectively oxygen-permeable substrate has the magnetic material dispersion layer and a porous substrate. A selectively oxygen-permeable substrate can selectively introduce oxygen in the air and have high durability against an electrolytic solution.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: September 30, 2014
    Assignee: NGK Insulators, Ltd.
    Inventor: Toshihiro Tomita
  • POROUS GRAPHENE NANOCAGES FOR BATTERY APPLICATIONS
    Publication number: 20140272610
    Abstract: An active material composition includes a porous graphene nanocage and a source material. The source material may be a sulfur material. The source material may be an anodic material. A lithium-sulfur battery is provided that includes a cathode, an anode, a lithium salt, and an electrolyte, where the cathode of the lithium-sulfur battery includes a porous graphene nanocage and a sulfur material and at least a portion of the sulfur material is entrapped within the porous graphene nanocage. Also provided is a lithium-air battery that includes a cathode, an anode, a lithium salt, and an electrolyte, where the cathode includes a porous graphene nanocage and where the cathode may be free of a cathodic metal catalyst.
    Type: Application
    Filed: March 12, 2013
    Publication date: September 18, 2014
    Applicant: UCHICAGO ARGONNE, LLC
    Inventors: Khalil Amine, Jun Lu, Peng Du, Jianguo Wen, Larry A. Curtiss
  • Metal/Oxygen Battery with an Oxygen Supply System
    Publication number: 20140272611
    Abstract: In one embodiment, a metal/oxygen battery with an oxygen management system includes a negative electrode, a positive electrode, a separator positioned between the negative electrode and the positive electrode, a first oxygenated gas supply reservoir, a compressor with an outlet fluidly coupled to the first oxygenated gas supply reservoir, and a valve and pressure regulator fluidly coupled to the first oxygenated gas supply reservoir and to the positive electrode and configured to place the first oxygenated gas supply reservoir in fluid communication with the positive electrode during a discharge cycle, and place the positive electrode in fluid communication with an inlet of the compressor during a charge cycle.
    Type: Application
    Filed: July 26, 2013
    Publication date: September 18, 2014
    Applicant: Robert Bosch GmbH
    Inventors: Paul Albertus, John F. Christensen, Boris Kozinsky
  • Silicon-air batteries
    Patent number: 8835060
    Abstract: Silicon-oxygen batteries comprising a silicon anode as chemical fuel, an air-cathode for dissociating oxygen, and an electrolyte, and applications using the same are provided. The silicon-batteries may utilize air for generating oxygen.
    Type: Grant
    Filed: February 11, 2010
    Date of Patent: September 16, 2014
    Assignees: Technion Research & Development Foundation Limited, The Penn State Research Foundation
    Inventors: Yair Ein-Eli, Digby Donald MacDonald
  • Metal oxygen battery
    Patent number: 8835061
    Abstract: There is provided a metal oxygen battery which uses an oxygen-storing material containing YMnO3 as a positive electrode material, and can reduce the discharge overpotential. The metal oxygen battery 1 has a positive electrode 2 to which oxygen is applied as an active substance, a negative electrode 3 to which metallic lithium is applied as an active substance, and an electrolyte layer 4 interposed between the positive electrode 2 and the negative electrode 3. The positive electrode 2 contains, as an oxygen-storing material, a composite metal oxide obtained by crushing and mixing a yttrium salt, a manganese salt and an organic acid, primarily calcining the mixture, and thereafter, adding a zirconium salt to the obtained primarily calcined material, and secondarily calcining the mixture, the composite metal oxide containing YMnO3 and ZrO2.
    Type: Grant
    Filed: July 4, 2012
    Date of Patent: September 16, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Satoshi Nakada, Yuji Isogai, Kiyoshi Tanaami, Takuya Taniuchi, Taichi Goto
  • Electrode and energy store including an electrode
    Publication number: 20140255801
    Abstract: An electrode, in particular a gas diffusion electrode, for a metal-oxygen battery. To achieve an improved performance output, e.g., an improved energy density or an improved capacity, the electrode includes a porous carrier substrate on which a porous active material is situated, the electrode having a gradient of medium pore sizes between the carrier substrate and the active material. Also described is an energy store including the electrode as described.
    Type: Application
    Filed: June 15, 2012
    Publication date: September 11, 2014
    Inventors: Timm Lohmann, Sebastian Maass, Ralf Liedtke
  • Lithium-Air Battery Cathodes and Methods of Making the Same
    Publication number: 20140255799
    Abstract: A lithium-air battery cathode having increased mesopore and macropore volume and methods of making the cathode are provided. In at least one embodiment, a plurality of mesopores is present in the cathode having a porosity of 1 to 70 percent. In another embodiment, a plurality of macropores are present in the cathode having a porosity of 5 to 99 percent. In one embodiment, the mesopores and macropores are imprinted using a sacrificial material. In another embodiment, the mesopores and macropores are imprinted by applying a template. In another embodiment, the mesopores and macropores are formed by coating cathode material onto a porous substrate.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 11, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Venkataramani Anandan, Andrew Robert Drews
  • STABLE NON-AQUEOUS ELECTROLYTE PROMOTING IDEAL REACTION PROCESS IN RECHARGEABLE LITHIUM-AIR BATTERIES
    Publication number: 20140255802
    Abstract: The present invention relates to a lithium-air battery including: a negative electrode containing a negative-electrode active material; a positive electrode using oxygen as a positive-electrode active material; and an electrolyte medium arranged between the negative electrode and the positive electrode; wherein the electrolyte medium includes as primary solvent one or more compounds having an —N—CO— group in the molecule.
    Type: Application
    Filed: October 10, 2011
    Publication date: September 11, 2014
    Applicants: TOYOTA MOTOR EUROPE NV/SA, THE UNIVERSITY COURT OF THE UNIVERSITY OF ST ANDRE
    Inventors: Fanny Jeanne Julie Barde, Peter George Bruce, Yuhui Chen, Stefan Freunberger
  • POSITIVE ELECTRODE FOR LITHIUM AIR BATTERY, METHOD OF PREPARING SAME, AND LITHIUM AIR BATTERY INCLUDING SAME
    Publication number: 20140255800
    Abstract: A positive electrode for a lithium air battery includes a current collector, and a positive electrode catalyst layer on the current collector. The positive electrode catalyst layer includes a first conductive material supported on a binder, a second conductive material on the first conductive material, and a catalyst supported on the second conductive material.
    Type: Application
    Filed: November 5, 2013
    Publication date: September 11, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventor: In KIM
  • GRAPHENE SUPPORTED BIFUNCTIONAL CATALYSTS
    Publication number: 20140255803
    Abstract: The present disclosure discloses graphene supported bifunctional catalysts and metal-air batteries comprising the same. In one aspect, a metal-air battery comprises a metal anode, a cathode, an electrolyte disposed between the metal anode and the cathode, and a catalyst on the cathode. The catalyst reduces both the charge overpotential and discharge overpotential of the battery. The catalyst is disposed on a graphene support.
    Type: Application
    Filed: October 9, 2012
    Publication date: September 11, 2014
    Applicant: WAYNE STATE UNIVERSITY
    Inventors: K. Y. Simon Ng, Steve O. Salley, Kapila Wadumesthrige
  • COATING OF POROUS CARBON FOR USE IN LITHIUM AIR BATTERIES
    Publication number: 20140255798
    Abstract: A cathode includes a carbon material having a surface, the surface having a first thin layer of an inert material and a first catalyst overlaying the first thin layer, the first catalyst including metal or metal oxide nanoparticles, wherein the cathode is configured for use as the cathode of a lithium-air battery.
    Type: Application
    Filed: March 6, 2013
    Publication date: September 11, 2014
    Applicant: UCHICAGO ARGONNE LLC
    Inventors: Khalil Amine, Jun Lu, Peng Du, Yu Lei, Jeffrey W. Elam
  • METALIZED, THREE-DIMENSIONAL STRUCTURED OXYGEN CATHODE MATERIALS FOR LITHIUM/AIR BATTERIES AND METHOD FOR MAKING AND USING THE SAME
    Publication number: 20140248544
    Abstract: This disclosure relates generally to cathode materials for electrochemical energy cells, more particularly to metal/air electrochemical energy cell cathode materials containing silver vanadium oxide and methods of making and using the same. The metal/air electrochemical energy cell can be a lithium/air electrochemical energy cell. Moreover the silver vanadium oxide can be a catalyst for one or more of oxidation and reduction processes of the electrochemical energy cell.
    Type: Application
    Filed: February 7, 2014
    Publication date: September 4, 2014
    Inventors: Weibing Xing, Joshua Buettner-Garrett
  • Power storage device
    Patent number: 8822088
    Abstract: A power storage device which has high charge/discharge capacity and less deterioration in battery characteristics due to charge/discharge and can perform charge/discharge at high speed is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of protrusions protruding from the current collector and a graphene provided over the plurality of protrusions. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions.
    Type: Grant
    Filed: September 12, 2012
    Date of Patent: September 2, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryota Tajima, Shunpei Yamazaki, Teppei Oguni, Takeshi Osada, Shinya Sasagawa, Kazutaka Kuriki
  • Metal-air battery and method for manufacturing the metal-air battery
    Patent number: 8822087
    Abstract: The present invention is to provide a metal-air battery which can inhibit decrease of discharge capacity and increase of battery's internal resistance caused by the repeated charge and discharge. The metal-air battery comprises: a cathode; an electrolyte layer; and an anode, wherein the cathode, the electrolyte layer, and the anode are laminated in the order mentioned; the cathode comprises a plurality of cathode material layers arranged at intervals; and the direction for laminating the cathode, the electrolyte layer, and the anode intersect with the array direction of the plurality of cathode material layers.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: September 2, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yukinari Kotani, Fuminori Mizuno
  • Dry-particle based adhesive and dry film and methods of making same
    Patent number: 8815443
    Abstract: Dry process based energy storage device structures and methods for using a dry adhesive therein are disclosed.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: August 26, 2014
    Assignee: Maxwell Technologies, Inc.
    Inventors: Porter Mitchell, Xiaomei Xi, Linda Zhong, Bin Zou
  • Metal/Air Battery with Gas Separation Nanostructure
    Publication number: 20140234731
    Abstract: A metal/air electrochemical cell in one embodiment includes a negative electrode, a positive electrode, an oxygen supply, and a closed oxygen conducting membrane less than about 50 microns thick located between the oxygen supply and the positive electrode.
    Type: Application
    Filed: June 19, 2013
    Publication date: August 21, 2014
    Inventors: Timm Lohmann, John F. Christensen, Boris Kozinsky, Paul Albertus, Roel Sanchez-Carrera
  • CATHODE, LITHIUM AIR BATTERY INCLUDING SAME, AND PREPARATION METHOD THEREOF
    Publication number: 20140234733
    Abstract: An air battery cathode including an organic-inorganic composite material including lyophobic nanopores, the organic-inorganic composite material including a porous metal oxide, and a lyophobic layer on a surface of a pore of the porous metal oxide and having a contact angle of greater than about 90°; and a binder. Also a lithium air battery including the cathode, and a method of manufacture the cathode.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 21, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Victor ROEV, Dong-min IM, Sang-bok MA, Won-sung CHOI, Min-sik PARK, Dong-joon LEE
  • ANODE FOR LITHIUM SECONDARY BATTERY, FABRICATING METHOD THEREOF AND LITHIUM AIR BATTERY HAVING THE SAME
    Publication number: 20140234732
    Abstract: Provided is an anode for a lithium secondary battery capable of improving the performance and the life of a lithium air battery by forming the anode so that lithium metal is sealed, but migration of lithium ions is possible, and thus, preventing corrosion of a lithium metal and the generation of hydrogen gas caused by permeation of moisture and oxygen gas into the anode, a manufacturing method thereof, and a lithium air battery containing the same.
    Type: Application
    Filed: February 19, 2014
    Publication date: August 21, 2014
    Applicant: SK INNOVATION CO., LTD.
    Inventors: Myounggu PARK, Kyongsik KIM, Seongho CHUN, Heeyoung SUN, Sangjin KIM, Sangwon YOON
  • Liquid air electrode for metal-air battery and metal-air battery provided with same
    Patent number: 8808930
    Abstract: Provided are a liquid air electrode for a metal-air battery that has superior discharge capacity and includes an electrolyte solution and an electrically conductive material, the electrically conductive material being dispersed in the electrolyte solution, and a metal-air battery that includes the liquid air electrode.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: August 19, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Fuminori Mizuno, Yukinari Kotani, Kenichi Hamamoto
  • Metal-air cell comprising an electrolyte with a room temperature ionic liquid and hygroscopic additive
    Patent number: 8808929
    Abstract: An electrochemical cell comprising an electrolyte comprising water and a hydrophobic ionic liquid comprising positive ions and negative ions. The electrochemical cell also includes an air electrode configured to absorb and reduce oxygen. A hydrophilic or hygroscopic additive modulates the hydrophobicity of the ionic liquid to maintain a concentration of the water in the electrolyte is between 0.001 mol % and 25 mol %.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: August 19, 2014
    Inventors: Cody A. Friesen, Ramkumar Krishnan, Toni Tang, Derek Wolfe
  • Metal air battery including a composite anode
    Patent number: 8802303
    Abstract: Implementations and techniques for metal air batteries including a composite anode are generally disclosed.
    Type: Grant
    Filed: October 16, 2013
    Date of Patent: August 12, 2014
    Assignee: Empire Technology Development LLC
    Inventors: Ezekiel Kruglick, Thomas Yager, Seth Adrian Miller
  • Bifunctional (rechargeable) air electrodes comprising a corrosion-resistant outer layer and conductive inner layer
    Patent number: 8802304
    Abstract: Performance, properties and stability of bifunctional air electrodes may be improved by using modified current collectors, and improving water wettability of air electrode structures. This invention provides information on creating non-corroding, electrically rechargeable, bifunctional air electrodes. In some embodiments, this bifunctional air electrode includes a corrosion-resistant outer layer and an electrically conductive inner layer. In some embodiments, this bifunctional air electrode includes titanium suboxides formed by reducing titanium dioxide. Titanium suboxides may be corrosion-resistant and electrically conductive.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: August 12, 2014
    Assignee: Eos Energy Storage, LLC
    Inventors: Steven Amendola, Michael Binder, Phillip J. Black, Stefanie Sharp-Goldman, Lois Johnson, Michael Kunz, Michael Oster, Tesia Chciuk, Regan Johnson
  • MAGNESIUM FUEL CELL
    Publication number: 20140220458
    Abstract: The invention provides magnesium fuel cells which can prevent the self-discharge of negative electrode materials and can produce electricity stably for a long term. A magnesium fuel cell includes a negative electrode material including a magnesium alloy, and an electrolytic solution for eluting magnesium ions from the negative electrode material. The magnesium alloy contains aluminum and calcium. The electrolytic solution is preferably an aqueous sodium chloride solution, an aqueous sodium hydroxide solution, an aqueous sodium hydrogencarbonate solution, an aqueous sodium percarbonate solution, or a mixture including two or more of these solutions.
    Type: Application
    Filed: March 27, 2012
    Publication date: August 7, 2014
    Applicant: Tohoku University
    Inventors: Yasuaki Kohama, Michiru Sakamoto, Toshihiko Abe
  • ELECTROLYTE FOR BATTERY CONTAINING AN IRON ELECTRODE
    Publication number: 20140220460
    Abstract: Provided is a battery comprising an iron electrode and an electrolyte comprised of sodium hydroxide, lithium hydroxide and a soluble metal sulfide. In one embodiment, the concentration of sodium hydroxide in the electrolyte ranges from 6.0 M to 7.5 M, the amount of lithium hydroxide present in the electrolyte ranges from 0.5 M to 2.0 M, and the amount of metal sulfide present in the electrolyte ranges from 1 to 2% by weight.
    Type: Application
    Filed: February 6, 2014
    Publication date: August 7, 2014
    Applicant: Encell Technology, Inc.
    Inventors: Randy Gene Ogg, Phil Bennett, Alan Seidel, Paul Gifford
  • AIR BATTERY, MOBILE OBJECT COMPRISING THE AIR BATTERY AND METHOD FOR USING AN AIR BATTERY
    Publication number: 20140220461
    Abstract: An object of the invention is to provide an air battery that can avoid anode corrosion and withstand long-term use and storage, a mobile object including the air battery, and a method for using an air battery. Disclosed is an air battery including an air electrode, an anode, a liquid electrolyte layer and an outer case, the liquid electrolyte layer being present between the air electrode and the anode, and the outer case housing one or two or more laminates each comprising the air electrode, the anode and the liquid electrolyte layer, wherein the anode includes at least an anode active material layer and an anode current collector in order from the closest to the liquid electrolyte layer, and wherein the anode active material layer and the anode current collector are present on the upper side of the vertical direction and above the liquid electrolyte layer.
    Type: Application
    Filed: October 13, 2011
    Publication date: August 7, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Sanae Okazaki
  • ELECTRODE MATERIAL, ELECTRODE, AND BATTERY
    Publication number: 20140220459
    Abstract: An electrode includes a plant-derived porous carbon material having an ability to catalyze oxygen reduction.
    Type: Application
    Filed: January 29, 2014
    Publication date: August 7, 2014
    Applicant: SONY CORPORATION
    Inventors: Hironori Iida, Kenichi Murata, Takaaki Nakagawa, Shinichiro Yamada
  • METAL-AIR BATTERY
    Publication number: 20140205917
    Abstract: To provide a metal-air battery which allows rapid and efficient supply of a liquid electrolyte to an air electrode and an increase in charge-discharge capacity. Disclosed is a metal-air battery including an air electrode layer, a negative electrode layer and an electrolyte layer, the electrolyte layer being present between the air electrode layer and the negative electrode layer, wherein the electrolyte layer includes a separator and a liquid electrolyte, the separator having insulating properties and a porous structure, and the liquid electrolyte being infiltrated in the separator, and wherein a liquid electrolyte reservoir layer is present between the separator and the air electrode layer, the liquid electrolyte reservoir layer having a porous structure which is larger in pore diameter than the separator.
    Type: Application
    Filed: September 29, 2011
    Publication date: July 24, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Fuminori Mizuno
  • STORAGE ELEMENT AND METHOD FOR THE PRODUCTION THEREOF
    Publication number: 20140205918
    Abstract: A storage element for a solid electrolyte battery is provided. The storage element has a main member having a porous matrix of sintered ceramic particles in which particles that are made of a metal and/or a metal oxide and jointly form a redox couple are embedded. Along a preferred direction, the storage element has a certain concentration gradient of the particles made of the metal and/or the metal oxide and/or a certain gradient of a pore density and/or a pore size, thereby allowing the diffusion behavior of oxygen ions within the main member to be controlled and thus the charge and discharge kinetics, the life and the capacity of the battery to be improved.
    Type: Application
    Filed: September 3, 2012
    Publication date: July 24, 2014
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Carsten Schuh, Thomas Soller
  • AIR BATTERY
    Publication number: 20140193720
    Abstract: The preset invention is to provide an air battery including, in an air electrode layer, a needle-shaped carbon material having more reaction starting points of oxygen reduction reaction than conventional carbon materials. Disclosed is an air battery including at least an air electrode, a negative electrode and an electrolyte layer disposed between the air electrode and the negative electrode, wherein the air electrode is provided with at least an air electrode layer, and the air electrode layer contains a needle-shaped carbon material having an average aspect ratio of 10 or more and a DIG ratio of 0.1 or more.
    Type: Application
    Filed: June 15, 2011
    Publication date: July 10, 2014
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Fuminori Mizuno