| Entries |
| Document | Title | Date |
|---|
| 20130045428 | AQUEOUS LITHIUM AIR BATTERIES - Aqueous Li/Air secondary battery cells are configurable to achieve high energy density and prolonged cycle life. The cells include a protected a lithium metal or alloy anode and an aqueous catholyte in a cathode compartment. The aqueous catholyte comprises an evaporative-loss resistant and/or polyprotic active compound or active agent that partakes in the discharge reaction and effectuates cathode capacity for discharge in the acidic region. This leads to improved performance including one or more of increased specific energy, improved stability on open circuit, and prolonged cycle life, as well as various methods, including a method of operating an aqueous Li/Air cell to simultaneously achieve improved energy density and prolonged cycle life. | 02-21-2013 |
| 20110177400 | Protected lithium-air cells by oxygen-selective permeable cathode membranes - Advanced lithium-air cell with non-aqueous electrolyte solution is provided, having higher energy density over the prior art cells, due to protective oxygen selective permeable membrane placed over the cathode outer surface. Said membrane protects the cell from moisture and evaporation of said electrolyte, which substantially minimizes parasitic losses of lithium and increases the cell efficiency and safety. | 07-21-2011 |
| 20120183869 | CATALYST INCLUDING ACTIVE PARTICLES, METHOD OF PREPARING THE CATALYST, FUEL CELL INCLUDING THE CATALYST, ELECTRODE INCLUDING THE ACTIVE PARTICLES FOR LITHIUM AIR BATTERY, AND LITHIUM AIR BATTERY INCLUDING THE ELECTRODE - A catalyst including active particles that have a core including a first metal oxide, and a shell including an alloy of a second metal with a reduction product of the first metal oxide; a method of preparing the catalyst; a fuel cell including the catalyst; an electrode for lithium air battery that includes the active particles; and a lithium air battery including the electrode. | 07-19-2012 |
| 20130078536 | GAS DIFFUSION ELECTRODES AND PROCESS FOR PRODUCTION THEREOF - A gas diffusion electrode is described, especially for use in chloralkali electrolysis, said gas diffusion electrode having finely divided components on the liquid side. The electrode is notable for a low perviosity to gases and a lower operating voltage. | 03-28-2013 |
| 20130078537 | OXYGEN-CONSUMING ELECTRODE AND PROCESS FOR PRODUCTION THEREOF - An oxygen-consuming electrode is described, more particularly for use in chloralkali electrolysis, comprising a novel catalyst coating, as is an electrolysis apparatus. Also described is a production process for the oxygen-consuming electrode and the use thereof in chloralkali electrolysis or fuel cell technology. The oxygen-consuming electrode is based on a gas diffusion layer as a porous film of a fluorinated polymer, into which fine crystal needles of a catalyst metal have been introduced as the catalytically active component and are connected with electrical conduction to the current collector. | 03-28-2013 |
| 20130078538 | RETAINING MEMBER AND METAL-AIR CELL UNIT UTILIZING THE SAME - The instant disclosure relates to a retaining member of a metal-air cell unit. The retaining member comprises a plurality of side plates constructed to define an anode compartment; and an air-distributing structure formed in the anode compartment. The air-distributing structure has a height difference from the side plates, and the height difference defines an air-distributing path. | 03-28-2013 |
| 20130034781 | ELECTROLYTE SYSTEM FOR METAL-AIR BATTERIES AND METHODS OF USE THEREOF - This invention is directed to electrolyte systems for metal-air electrochemical power sources, particularly Al-Air batteries and fuel cells with alkaline electrolyte, methods of increasing the ionic conductivity of such electrolytes, methods of increasing the electrolyte utilization coefficient and to methods of use thereof. | 02-07-2013 |
| 20130040210 | NONAQUEOUS ELECTROLYTE AND METAL AIR BATTERY - The main object of the present invention is to provide a nonaqueous electrolyte having favorable radical resistance. The present invention attains the object by providing a nonaqueous electrolyte comprising an ionic liquid having a cation portion and an anion portion, an organic solvent, and a metal salt, characterized in that the maximum electric charge calculated by the first-principle calculation in the cation portion of the ionic liquid and the organic solvent is 0.3 or less. | 02-14-2013 |
| 20130029233 | METHOD FOR PREPARING MnO2/CARBON COMPOSITE, MNO2/CARBON COMPOSITE PREPARED BY THE METHOD, AND LITHIUM-AIR SECONDARY BATTERY INCLUDING THE COMPOSITE - Disclosed is a method for preparing an MnO | 01-31-2013 |
| 20130029234 | POROUS CARBONACEOUS COMPOSITE MATERIAL, POSITIVE ELECTRODE AND LITHIUM AIR BATTERY INCLUDING POROUS CARBONACEOUS COMPOSITE MATERIAL, AND METHOD OF PREPARING THE SAME - A porous carbonaceous composite material including a core including a carbon nanotube (CNT); and a coating layer on the core, the coating layer including a carbonaceous material including a hetero element. | 01-31-2013 |
| 20130089795 | GAS DIFFUSION ELECTRODES FOR BATTERIES SUCH AS METAL-AIR BATTERIES - The present invention generally relates to batteries and, in particular, to electrodes for use in batteries such as non-aqueous metal-air batteries, for example, lithium-air batteries, as well as in other electrochemical devices. Such devices may exhibit improved performance characteristics (e.g. power, cycle life, capacity, etc.). One aspect of the present invention is generally directed to electrodes for use in such devices containing one or more pores or channels for transport of gas and/or electrolyte therein, e.g., forming an open porous network. In certain embodiments, the electrolyte may be a gel or a polymer. In some embodiments, there may be network of such channels or pores within the electrode such that no active site within the electrode is greater than about 50 micrometers distant from a gas channel. In some embodiments, such systems may be created using electrodes containing gel or electrolyte polymers, and/or by forming electrodes having different wettabilities such that certain regions preferentially attract the electrolyte compared to other regions, thereby causing self-organization of the electrolyte within the electrode. Other aspects of the invention are generally directed to methods of making such batteries or electrochemical devices, methods of using such batteries or electrochemical devices, kits involving such batteries or electrochemical devices, or the like. | 04-11-2013 |
| 20100266907 | METAL AIR BATTERY SYSTEM - Described herein are electrodes comprising a fluorinated or metalloprotein oxygen dissolution enhancer provided in a solvent for enhancing dissolution of oxygen in the solvent. In related embodiments, a metal oxide dissolution enhancer is provided in the solvent for enhancing dissolution of metal oxide formed via reaction of oxygen with metal ions in the solvent. The oxygen and metal oxide dissolution enhancers of electrodes and electrochemical generators described herein enable an increased oxidation and/or reduction rate and enhance the stability and efficiency of the electrochemical generators described herein. Positive electrodes described herein, for example, are highly versatile and compatible with a wide range of solid state and liquid anode and electrolyte systems, including anodes comprising readily available and inexpensive materials such as solvated electron solutions as well as a range of solid state anodes. | 10-21-2010 |
| 20130071762 | POWER STORAGE DEVICE - 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. | 03-21-2013 |
| 20130071761 | CATALYTIC CATHODE FOR LITHIUM-AIR BATTERIES - A process includes contacting a carbon support material with an oxidizing agent followed by the acid treatment to form a functionalized carbon support material including surface hydroxyl functionality; contacting the functionalized carbon support material with a solution of a catalyst precursor; and adjusting the pH of the solution to produce a carbon supported catalyst material including a metal oxide catalyst. | 03-21-2013 |
| 20130095394 | METAL OXYGEN BATTERY - There is provided a metal oxygen battery which is capable of obtaining superior batter capacity when starting use from charging. In the metal oxygen battery | 04-18-2013 |
| 20130095395 | Stable Electrolyte Materials for Li-Air Battery Systems - An electrochemical cell in one embodiment includes a first electrode, and a second electrode spaced apart from the first electrode, the second electrode including a substrate of active material, a form of lithium, and a solvent or electrolyte having an electrophilicity index value of less than or equal to 1.1 eV. | 04-18-2013 |
| 20130059213 | SELECTIVELY OXYGEN-PERMEABLE SUBSTRATE, METAL-AIR BATTERY POSITIVE ELECTRODE AND METAL-AIR BATTERY - 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. | 03-07-2013 |
| 20130115529 | ELECTROLYTE FOR METAL/AIR BATTERY - A series of fluorinated compounds are disclosed that can be used as the co-solvent of non-aqueous electrolytes for metal/air battery cells. The inclusion of these compounds in electrolyte systems significantly increases the power capability and energy capacity of metal/air batteries by promoting dissolution and increasing solubility of oxygen in the non-aqueous electrolytes. | 05-09-2013 |
| 20130115528 | RECHARGEABLE ANION BATTERY CELL USING A MOLTEN SALT ELECTROLYTE - A rechargeable electrochemical battery cell comprises a molten carbonate salt electrolyte ( | 05-09-2013 |
| 20130115527 | Rechargeable lithium air batteries - A rechargeable non-aqueous lithium-air battery is provided having a multilayered cathode structure which uses a functionized carbon paper base with tubular catalysts. The multilayer cathode has a sufficient pore size to prevent clogging of the cathode by reaction products and further has a hydrophobic coating to repel moisture. The stable electrolyte is made by ionic liquid and additives which have no reaction with discharge products and offers solubility for oxygen and lithium oxide. | 05-09-2013 |
| 20130101907 | METAL AIR SECONDARY BATTERY - 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 (Li | 04-25-2013 |
| 20130122380 | CATHOLYTES FOR AQUEOUS LITHIUM/AIR BATTERY CELLS - Li/air battery cells are configurable to achieve very high energy density. The cells include a protected a lithium metal or alloy anode and an aqueous catholyte in a cathode compartment. In addition to the aqueous catholyte, components of the cathode compartment include an air cathode (e.g., oxygen electrode) and a variety of other possible elements. | 05-16-2013 |
| 20110281184 | METAL-AIR CELL WITH PERFORMANCE ENHANCING ADDITIVE - Systems and methods drawn to an electrochemical cell comprising a low temperature ionic liquid comprising positive ions and negative ions and a performance enhancing additive added to the low temperature ionic liquid. The additive dissolves in the ionic liquid to form cations, which are coordinated with one or more negative ions forming ion complexes. The electrochemical cell also includes an air electrode configured to absorb and reduce oxygen. The ion complexes improve oxygen reduction thermodynamics and/or kinetics relative to the ionic liquid without the additive. | 11-17-2011 |
| 20110318656 | Cathode for Metal-Air Rechargeable Battery - An air cathode for a metal-air battery is disclosed which contains a catalyst chosen to make the metal air battery more easily rechargeable. This catalyst is based on cobalt phosphate, cobalt borate mixed metal cobalt phosphates, mixed metal cobalt borates, or mixed metal cobalt phosphate borates. | 12-29-2011 |
| 20120270115 | Lithium Oxygen Batteries Having a Carbon Cloth Current Collector and Method of Producing Same - A lithium oxygen or air battery ( | 10-25-2012 |
| 20120295169 | AIR BATTERY AND ELECTRODE - Provided is a structure for effectively utilizing a novel metal porous body, such as an aluminum porous body, having a three-dimensional network structure as a battery electrode. | 11-22-2012 |
| 20120141889 | LITHIUM AIR BATTERY - A lithium air battery including: a negative electrode including lithium; a positive electrode using oxygen as a positive active material; and an organic electrolyte, wherein the organic electrolyte includes a metal-ligand complex. | 06-07-2012 |
| 20120141888 | OXYGEN-CONSUMING ELECTRODE AND PROCESS FOR THE PRODUCTION THEREOF - The present invention relates to an oxygen-consuming electrode comprising at least one support element in the form of a sheet-like structure and a coating comprising a gas diffusion layer and a catalytically active component, wherein the oxygen-consuming electrode is additionally coated with a fluoropolymer which is soluble in solvents. | 06-07-2012 |
| 20110223494 | MESOPOROUS CARBON MATERIALS COMPRISING BIFUNCTIONAL CATALYSTS - The present application is directed to mesoporous carbon materials comprising bi-functional catalysts. The mesoporous carbon materials find utility in any number of electrical devices, for example, in lithium-air batteries. Methods for making the disclosed carbon materials, and devices comprising the same, are also disclosed. | 09-15-2011 |
| 20110143226 | Metal Oxygen Battery Containing Oxygen Storage Materials - According to one aspect of the present invention, a battery system is provided. In one embodiment, the battery system includes a metal oxygen battery including a first electrode and a second electrode, the second electrode including a metal material (M); and an oxygen containment unit in communication with and external to the metal oxygen battery, the oxygen containment unit including an oxygen storage material. In another embodiment, the metal oxygen battery and the oxygen containment unit are in a closed-loop with respect to each other. | 06-16-2011 |
| 20110229777 | ELECTRODE MATERIALS FOR METAL-AIR BATTERIES, FUEL CELLS AND SUPERCAPACITATORS - The present invention refers to an electrode comprised of a first layer which comprises a mesoporous nanostructured hydrophobic material; and a second layer which comprises a mesoporous nanostructured hydrophilic material arranged on the first layer. In a further aspect, the present invention refers to an electrode comprised of a single layer which comprises a mixture of a mesoporous nanostructured hydrophobic material and a mesoporous nanostructured hydrophilic material; or a single layer comprised of a porous nanostructured material wherein the porous nanostructured material comprises metallic nanostructures which are bound to the surface of the porous nanostructured material. The present invention further refers to the manufacture of these electrodes and their use in metal-air batteries, supercapacitors and fuel cells. | 09-22-2011 |
| 20120244447 | AIR BATTERY - An air battery includes: a positive electrode for utilizing oxygen as active material; a negative electrode for adsorbing and desorbing a metal ion, which includes at least one of Li, Na, K, Ca, Mg, Zn, Fe and Al; and a non-aqueous electrolyte disposed between the positive electrode and the negative electrode. The non-aqueous electrolyte includes ion liquid. When the non-aqueous electrolyte includes the ion liquid, the oxide generated by the discharging step is effectively decomposed. Thus, the battery has excellent cycle characteristics. | 09-27-2012 |
| 20120270116 | METAL AIR BATTERY AND METHOD FOR PREPARING THE SAME - Disclosed is a metal air battery a metal anode and an air cathode, wherein the metal anode includes an organic electrolyte and the air cathode includes an aqueous electrolyte, and a method for preparing the same. | 10-25-2012 |
| 20100143807 | POROUS CLUSTERS OF SILVER POWDER PROMOTED BY ZIRCONIUM OXIDE FOR USE AS A CATALYST IN GAS DIFFUSION ELECTRODES, AND METHOD FOR THE PRODUCTION THEREOF - A catalyst including: a plurality of porous clusters of silver particles, each cluster including: (a) a plurality of primary particles of silver, and (b) crystalline particles of zirconium oxide (ZrO | 06-10-2010 |
| 20110014526 | High temperature direct coal fuel cell - A fuel cell is provided that includes a chemically non-reactive and non-consumable molten anode that is chemically stable in composition and structure and is catalytically active, a cathode, where one surface of the cathode is in contact with air, where the air supplies oxygen to the cathode, a solid oxide electrolyte that selectively transports oxide ions from the cathode to the anode for an oxidation reaction, where the solid oxide electrolyte is disposed between the anode and the solid cathode, and a single temperature zone, where the anode is in direct physical contact with a carbon-containing fuel and electrical current is generated by the oxidation of the carbon-containing fuel by the oxygen. | 01-20-2011 |
| 20110250512 | METAL-AIR ELECTROCHEMICAL CELL WITH HIGH ENERGY EFFICIENCY MODE - The present invention relates to a metal-air electrochemical cell with a high energy efficiency mode. | 10-13-2011 |
| 20110177401 | Lithium-air cell protective membranes comprising polytetrafluoroethylene coated fiberglass cloth - Advanced lithium-air semi-fuel cell with non-aqueous electrolyte solution is provided, having higher energy density over the prior art cells, due to its protective, oxygen selective, permeable membrane of PTFE coated fiberglass cloth, placed over the cathode outer surface. Said membrane is flexible and protects the cell from moisture and evaporation of said electrolyte, which substantially minimizes parasitic losses of lithium and increases the cell efficiency and safety. The membrane may also have a layer of air-permeable adhesive added, facing said cathode. | 07-21-2011 |
| 20120202126 | Air Cathode for Metal-Air Fuel Cells - The invention disclosed is a catalyst composition for an air cathode for use in an electrochemical cell, in particular in alkaline electrolyte metal-air e.g. zinc-air, fuel cells. The catalyst composition comprises an active material CoTMMP and silver, supported on carbon wherein the ratio of silver to CoTMPP is 1:1 to 2.4:1. Optional ingredients include a hydrophobic and a hydrophobic bonding agent, MnO | 08-09-2012 |
| 20100285375 | METAL-AIR LOW TEMPERATURE IONIC LIQUID CELL - The present application relates to an electrochemical metal-air cell in which a low temperature ionic liquid is used. | 11-11-2010 |
| 20110136024 | Multifunctional material comprising a highly porous carbon structure with nanoscale mixed metal oxide deposits for catalysis - An oxygen electrode is created by forming a nanoscopic coating or nanoscopic deposits of mixed metal oxides as catalysts on a pre-formed, highly porous binder-free carbon structure. The highly porous carbon structure performs a role in the synthesis of the mixed oxide catalyst deposits as well as in providing a three-dimensional, electronically conductive support for the mixed metal oxide catalyst with a large surface area and desirable pore structure. The metal oxide mixture shall include two or more metal species. The multifunctional oxygen electrode materials, a process for producing the same and a metal oxygen battery using said oxygen electrode materials are disclosed. | 06-09-2011 |
| 20100330436 | ZINC AIR CELL ADAPTABLE TO CELLULAR PHONE AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a method of fabricating a zinc-air cell and a zinc-air cell fabricated using the same. The zinc-air cell includes a cup adapted to function as a sealant of the cell, a film adapted to function as an anode of the cell and bonded on the cup, wherein the film has a first surface with a hydrophobic property and a second surface with ion permeability, and the second surface comes in contact with the cup, and a zinc gel adapted to function as a cathode of the cell and filled between the cup and the sealant. The method of fabricating a zinc-air cell includes preparing a cup having a central portion of a downward depressed shape and functioning as a sealant of the cell, bonding a film adapted to function as an anode of the cell on the cup, and filling a zinc gel, which functions as a cathode of the cell, in a space between the cup and the sealant. | 12-30-2010 |
| 20120178002 | ELECTRODES AND PRODUCTION AND USE THEREOF - Electrodes and production and use thereof | 07-12-2012 |
| 20100190066 | REACTOR AND PRODUCING METHOD OF THE SAME - The solid oxide fuel cell has a stack structure formed by stacking sheet bodies, each of which comprises three layers of the electrolyte layer, a fuel electrode layer, an air electrode layer, and separators in alternating layers. In an air channel defined between the air electrode and the separator facing the air electrode layer, a SUS mesh made of stainless steel for electrically connecting both of them is confined. On the surface of the SUS mesh, previously by itself before the assembly of the stack structure, an Ag-plating treatment is performed and further a vacuum heat-treatment (heat-treatment under a negative pressure) is performed. | 07-29-2010 |
| 20110189551 | ELECTROCHEMICAL CELL WITH DIFFUSER - An electrochemical cell includes a first electrode configured to operate as an anode to oxidize a fuel when connected to a load. The first electrode includes a permeable electrode body configured to allow flow of an ionically conductive medium therethrough. An electrode holder includes a cavity for holding the first electrode. A diffuser is positioned in the cavity between the first electrode and the electrode holder with a gap formed between the diffuser and the electrode holder. The diffuser includes openings configured to allow flow of the ionically conductive medium therethrough and to distribute the flow through the first electrode. A second electrode is positioned in the cavity on a side of the first electrode that is opposite the diffuser, and is configured to operate as a cathode when connected to the load and in contact with the ionically conductive medium. | 08-04-2011 |
| 20120308902 | AIR ELECTRODE FOR AIR BATTERY AND AIR BATTERY COMPRISING THE SAME - An air electrode for an air battery with high rate characteristics, and an air battery comprising the air electrode. Disclosed is an air electrode for an air battery, including at least an air electrode layer, wherein the air electrode layer includes a carbon material in which graphene layers are unidirectionally oriented, and a Basal plane of the carbon material is exposed on a surface of the carbon material. | 12-06-2012 |
| 20110305959 | TUNED HYDROPHOBICITY - 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 %. | 12-15-2011 |
| 20110027665 | AIR ELECTRODE WITH BINDER MATERIALS AND MANUFACTURING METHODS FOR AIR ELECTRODE - A method of producing all or a portion of an air electrode for a metal-air battery includes forming at least a portion of the air electrode using a process selected from the group consisting of an injection molding process and a screw extrusion process. This process may be used to form a gas diffusion layer of the air electrode, and active layer of the air electrode, or both. The air electrode may use polyethylene and/or polypropylene as a binder material in all or a portion of the air electrode. | 02-03-2011 |
| 20110311888 | ELECTRODES AND PRODUCTION AND USE THEREOF - Electrodes, comprising
| 12-22-2011 |
| 20110318657 | SILICON-AIR BATTERIES - 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. | 12-29-2011 |
| 20120003548 | AIR BATTERY CATALYST AND AIR BATTERY USING THE SAME - Catalysts are provided which can catalyze both the oxygen reduction during the discharge of a secondary air battery and the oxygen production in the recharging of the battery and which are stable at a high potential in the recharging. The invention has been accomplished based on the finding that a catalyst including an oxycarbonitride of a specific transition metal selected from, for example, titanium, zirconium, hafnium, vanadium, niobium and tantalum can catalyze both the oxygen reduction during the discharge of a secondary air battery and the oxygen production in the recharging of the battery and is also stable at a high potential in the recharging. | 01-05-2012 |
| 20120231353 | PROCESS FOR PRODUCING OXYGEN-CONSUMING ELECTRODES - The present invention relates to a process for producing an oxygen-consuming electrode that includes the steps of (a) producing a powder mixture consisting of at least one polymer as binder and a catalytically active component, (b) applying the powder mixture to an electrically conductive sheet-like support element, and (c) compacting and consolidating the powder mixture on the support element using rollers, wherein the rollers used in the compaction step c) comprises a surface coating of tungsten carbide and wherein the roller surface has a roughness of not more than 0.5 μm. | 09-13-2012 |
| 20120115047 | POSITIVE ELECTRODE FOR LITHIUM AIR BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM AIR BATTERY EMPLOYING THE POSITIVE ELECTRODE - A lithium air battery having high energy efficiency and high capacity due to improving stability by using oxygen as a positive active material includes using a catalyst for a redox reaction of oxygen. The catalyst includes manganese oxide including a transition metal. | 05-10-2012 |
| 20120208095 | GASEOUS PRODUCT GENERATOR - According to the invention there is provided a gaseous product generator including:
| 08-16-2012 |
| 20120115049 | SINGLE WALL CARBON NANOTUBE BASED AIR CATHODES - An embodiment of the invention is an air cathode having a porous membrane with at least one hydrophobic surface that contacts a conductive catalytic film that comprises single walled carbon nanotubes (SWNTs) where the nanotubes are in intimate electrical contact. The conductive film can include fullerenes, metals, metal alloys, metal oxides, or electroactive polymers in addition to the SWNTs. In other embodiments of the invention the air cathode is a component of a metal-air battery or a fuel cell. | 05-10-2012 |
| 20110165476 | Metal Oxygen Battery Containing Oxygen Storage Materials - In one embodiment, a metal oxygen battery system includes a metal oxygen battery having an electrode compartment. The electrode compartment includes an electrode being formed of an oxygen storage material. In another embodiment, the oxygen storage material includes an ion conducting component. In yet another embodiment, the oxygen storage material includes an electron conducting component. In yet another embodiment, the oxygen storage material includes a catalytic component. In yet another embodiment, at least one of the ion conducting component, the electron conducting component, and the catalytic component is attached to the oxygen storage material via a linker or as a pendant group. | 07-07-2011 |
| 20120021302 | OXYGEN-CONSUMING ELECTRODE - The present invention relates to an oxygen-consuming electrode comprising at least one support structure having a surface and a gas diffusion coating having a catalytically active component disposed on the surface. The coating contains at least one fluorine-containing polymer, a silver compound, selected from the group consisting of silver particles, reducible silver compounds, and mixtures thereof, and a hydrophilic caustic alkali-resistant filler which is electrically nonconductive or has a poor electrical conductivity and has an average particle diameter from 5 to 200 μm. | 01-26-2012 |
| 20120028137 | SOLUBLE OXYGEN EVOLVING CATALYSTS FOR RECHARGEABLE METAL-AIR BATTERIES - Rechargeable metal-air battery, air electrodes for use in the metal-air battery, and methods to manufacture the same are provided. The battery includes a negative electrode capable of taking and releasing active metal ions, a porous positive electrode using oxygen as an electroactive material and an electrolyte configured to conduct ions between the negative and positive electrodes and comprising one or more phases, wherein at least one phase comprises a liquid that at least partially fills the pores of the positive electrode and wherein the liquid comprises an oxygen evolving catalyst (OEC). The OEC a) is soluble in the liquid of the phase that partially fills the positive electrode pores, b) is electrochemically activated at a potential above the equilibrium cell voltage and c) is capable of evolving oxygen gas by oxidizing a metal oxide discharge product produced during discharge of the rechargeable metal-air battery. | 02-02-2012 |
| 20120208094 | POROUS CLUSTERS OF SILVER POWDER PROMOTED BY ZIRCONIUM OXIDE FOR USE AS A CATALYST IN GAS DIFFUSION ELECTRODES, AND METHOD FOR THE PRODUCTION THEREOF - A catalyst including: a plurality of porous clusters of silver particles, each cluster of the clusters including: (a) a plurality of primary particles of silver, and (b) crystalline particles of zirconium oxide (ZrO | 08-16-2012 |
| 20120115048 | POSITIVE ELECTRODE FOR LITHIUM AIR BATTERY, METHOD OF PREPARING THE POSITIVE ELECTRODE, AND LITHIUM AIR BATTERY INCLUDING THE POSITIVE ELECTRODE - A positive electrode for a lithium air battery, the positive electrode including a carbonaceous material doped with a non-metallic element. | 05-10-2012 |
| 20120208096 | AIR BATTERY - According to one embodiment, an air battery includes a case, a positive electrode, a negative electrode, a first nonaqueous electrolyte, a second nonaqueous electrolyte, a solid electrolyte layer and a hole. The first nonaqueous electrolyte is permeated into the positive electrode and includes an ionic liquid. The second nonaqueous electrolyte is permeated into the negative electrode and includes an organic solvent. The solid electrolyte layer is provided between the positive electrode and the negative electrode and has lithium ion conductivity. | 08-16-2012 |
| 20110065009 | IRON-AIR ACCUMULATOR WITH LITHIUM MEDIATOR - The invention relates to a half-cell including an electrode formed of an electron collector containing one or more transition metals from groups 4 to 12 of the Period Table of the Elements, and of an electrochemically active material present on the surface of the electron collector in the form of a nanostructured conversion film containing nanoparticles having an average diameter of between 1 nm and 1000 nm. The electrochemically active material contains at least one compound of the transition metal or the transition metals present in the electron collector. The invention further includes a continuous film of a lithium-ion conductive, solid electrolyte that is water- and air-impermeable and that is deposited directly onto, covering totally, the surface of the nanostructured active material of the electrode. The continuous film of solid electrolyte having a thickness of between 1 μm and 50 μm. | 03-17-2011 |
| 20110104576 | LITHIUM-OXYGEN ELECTROCHEMICAL CELLS AND BATTERIES - A lithium-oxygen electrochemical cell of the invention comprises a lithium-containing anode, an oxygen-permeable cathode, a non-aqueous electrolyte comprising a lithium salt in a non-aqueous liquid between the anode and the cathode, and a source of gaseous oxygen in fluid communication with the cathode; the cathode comprising an oxygen-permeable support bearing carbon nanotubes having at least one open end. In some embodiments, the cell is rechargeable and the cathode includes a nanoparticulate catalyst in contact with the carbon nanotubes; wherein the catalyst is adapted to facilitate the reversible interconversion between oxygen gas and an oxygen anion e.g., oxide ion, peroxide ion, or a combination thereof, during charge and discharge of the cell. | 05-05-2011 |
| 20120121993 | Electrolyte containing methoxybenzene for use in lithium-air semi-fuel cells - Disclosed herein are electrolyte formulations containing methoxybenzene (also known as anisole or phenoxymethane) for use in lithium-air semi-fuel cells. Lithium-air semi-fuel cells contain a metallic lithium anode and an air (oxygen) fuel cell type porous carbon cathode. The reaction product in the cathode is lithium oxide (Li | 05-17-2012 |
| 20120315554 | Lithium/Air Battery with Variable Volume Insertion Material - In accordance with one embodiment, an electrochemical cell includes a negative electrode including a form of lithium, a positive electrode spaced apart from the negative electrode and including an electron conducting matrix and a lithium insertion material which exhibits a volume change when lithium is inserted, a separator positioned between the negative electrode and the positive electrode; and an electrolyte including a salt, wherein Li | 12-13-2012 |
| 20120214075 | ELECTROCHEMICAL CELL HAVING AIR CATHODE PARTIALLY INFUSED WITH CARBON DIOXIDE - An electrochemical cell has a cell assembly that has an anode, an air cathode infused with a liquid electrolyte, an ionically-conductive separator medium disposed between and coupling said anode and said air cathode, a housing enclosing said anode, said cathode, and said ionically-conductive separator medium, and a mixture of oxygen and carbon dioxide disposed within said housing in gaseous communication with said air cathode, wherein said carbon dioxide comprises from about 0.04% to about 95% molar fraction of said mixture of oxygen and carbon dioxide. | 08-23-2012 |
| 20120077095 | Electrochemical Energy Storage Systems and Methods - A three-dimensional electrode array for use in electrochemical cells, fuel cells, capacitors, supercapacitors, flow batteries, metal-air batteries and semi-solid batteries. | 03-29-2012 |
| 20120077094 | Air Cathode Tubes for Rechargeable Metal Air Batteries - Implementations and techniques for employing cathode tubes in metal air battery devices or systems are generally disclosed. | 03-29-2012 |
| 20120178001 | Graphene-based Battery Electrodes Having Continuous Flow Paths - 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. | 07-12-2012 |
| 20120082906 | PROCESS FOR PRODUCING TRANSPORT- AND STORAGE-STABLE OXYGEN-CONSUMING ELECTRODES - The present invention relates to A process for producing a transport- and storage-stable sheet-like oxygen-consuming electrode comprising providing an electrically conductive support, a gas diffusion layer, and a layer comprising a silver-based catalyst; coating the support with a silver oxide-containing intermediate; and at least partly electrochemically reducing the silver oxide-containing intermediate in an aqueous electrolyte at a pH of less than 8. | 04-05-2012 |
| 20120258373 | ATMOSPHERIC SELF-CHARGING BATTERY - A battery ( | 10-11-2012 |
| 20110123877 | CATALYST FOR OXYGEN REDUCTION ELECTRODE AND OXYGEN REDUCTION ELECTRODE - An oxygen reduction catalyst and the catalyst as an electrode catalyst are provided. The oxygen reduction catalyst is characterized by including an organometallic polymer structure in which a transition metal or zinc is coordinated with an organic polymer compound including a ligand comprising a heterocyclic 5-membered ring or a heterocyclic 6-membered ring containing at least not less than two elements selected from nitrogen (N), oxygen (O), sulfur (S), and selenium (Se), and derivatives thereof. Thereby, even when an amount of a metal is smaller than that in a platinum particulate catalyst, an oxygen reduction capacity equal to or more than that of the platinum particulate catalyst can be obtained. Further, by coordinating a metal with an organic polymer, stability in an oxygen reduction condition can be significantly improved compared to the case of metal based macrocyclic compounds. | 05-26-2011 |
| 20120328963 | NEGATIVE ELECTRODE AND ALUMINUM AIR CELL - There is provided a negative electrode comprising an aluminum alloy, wherein the alloy has a magnesium content of 0.0001% by weight or higher and 8% by weight or lower, the alloy satisfies at least one condition selected from the group consisting of the following (A) and (B):
| 12-27-2012 |
| 20120237838 | LITHIUM AIR BATTERY - A lithium air battery capable of being used for a long time with little deterioration due to influence by moisture in the air in which oxygen supply to a porous cathode is not inhibited by an air electrode current collector is provided. The lithium air battery includes an oxygen permselective film that is less likely to transmit moisture vapor and that selectively transmits oxygen, an oxygen chamber that stores oxygen, an air electrode current collector made of a porous material, a diffusion layer that is arranged between the air electrode current collector and a porous cathode and is made of a conductive material, the porous cathode containing a conductive material and a catalyst material, a separator that is less likely to pass moisture vapor, a nonaqueous electrolyte, an anode that extracts lithium ions, and an anode current collector. The lithium air battery may have a water-repellent layer. | 09-20-2012 |
| 20120264025 | BATTERY - Provided is a battery which can prevent deactivation from occurring by avoiding solid deposition at electrodes. The battery includes an anion conductor, a positive electrode, a negative electrode, a first aqueous liquid electrolyte layer and a second aqueous liquid electrolyte layer, wherein the first aqueous liquid electrolyte layer and the positive electrode are present in this sequence on a first surface of the anion conductor, and the second aqueous liquid electrolyte layer and the negative electrode are present in this sequence on a second surface of the anion conductor, and wherein the negative electrode includes a negative electrode active material layer, and the negative electrode active material layer includes a negative electrode active material which can release a metal ion upon discharging. | 10-18-2012 |
| 20120321970 | METAL-AIR CELL WITH ION EXCHANGE MATERIAL - Embodiments of the invention are related to anion exchange membranes used in electrochemical metal-air cells in which the membranes function as the electrolyte material, or are used in conjunction with electrolytes such as ionic liquid electrolytes. | 12-20-2012 |
| 20110129739 | AIR SECONDARY BATTERY - A main object of the present invention is to provide an air secondary battery that can lower a charging voltage in an air secondary battery using a nonaqueous liquid electrolyte. The object is attained by providing an air secondary battery comprising: an air cathode having an air cathode layer containing a conductive material and an air cathode current collector that collects a current of the air cathode layer, an anode having an anode layer containing an anode active material and an anode current collector that collects a current of the anode layer and a nonaqueous liquid electrolyte that conducts a metal ion between the air cathode layer and the anode layer; wherein the air cathode current collector is formed of a carbon material and the nonaqueous liquid electrolyte contains a sulfonimide salt. | 06-02-2011 |
| 20120276457 | NEGATIVE ELECTRODE STRUCTURE FOR AQUEOUS ELECTROLYTE BATTERIES AND AQUEOUS ELECTROLYTE BATTERY COMPRISING THE NEGATIVE ELECTRODE STRUCTURE - A negative electrode structure for aqueous electrolyte comprising at least a negative electrode active material layer, wherein the negative electrode active material layer comprises, as the negative electrode active material, at least one selected from the group consisting of the following metals and alloys comprising at least one of the metals: Li, Na, K, Ca, Mg, Zn, Al and Ag, and wherein a solid electrolyte layer comprising a Zr-containing garnet-type solid electrolyte described by the following formula (1), is provided on one side of the negative electrode active material layer: Formula (1): Li | 11-01-2012 |
| 20120276459 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, METHOD OF MANUFACTURING THE SAME, AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - A negative electrode for a lithium secondary battery that includes an organic-inorganic hybrid protective layer where the lithium ion conductivity of a polymer included in the organic-inorganic hybrid protective layer is about 10 | 11-01-2012 |
| 20120276458 | NANOFIBER ELECTRODES FOR ENERGY STORAGE DEVICES - Methods and devices for enhanced energy storage in an electrochemical cell are provided. In some embodiments, an electrode for use in a metal-air electrochemical cell can include a plurality of nanofiber (NF) structures having high porosity, tunable mass, and tunable thickness. The NF structures are particularly suited for energy storage and can provide the electrode with exceptionally high gravimetric capacity and energy density when used in an electrochemical cell. | 11-01-2012 |
| 20110274989 | CATALYSTS FOR OXYGEN REDUCTION AND EVOLUTION IN METAL-AIR ELECTROCHEMICAL CELLS - Methods and devices for catalyzing reactions, e.g., in a metal-air electrochemical cell, are disclosed. In some instances, a porous positive electrode of the metal-air electrochemical cell includes a metal to catalyze a reaction at the electrode (e.g., oxidation of one or more metal-oxide species). The metal can be disposed as nanoparticles, and/or be combined with a second metal. Other aspects are directed to devices and methods that can generally promote a chemical reaction (e.g., an oxidation/reduction reaction) such as the formation of platinum containing nanoparticles that can be used to catalyze electrochemical reactions. | 11-10-2011 |
| 20120088164 | Lithium Carbon Monofluoride-Oxygen Battery and Method of Using the Same - A lithium carbon monofluoride-oxygen battery is provided that includes a lithium metal-containing electroactive anode; an electroactive cathode formed of a carbon monofluoride compound; an electrolyte solution formed of an organic solvent and a lithium salt; a casing surrounding the anode, the cathode, and the electrolyte solution; and a port bored through the casing wherein the port selectively allows the flow of gas into the casing. In addition, a method of using an electrochemical battery is provided that includes providing a lithium carbon monofluoride-oxygen battery; closing the valve of the electrochemical battery to block the flow of gas into the battery; discharging the electrochemical battery after closing the valve of the battery; opening the valve of the electrochemical battery after discharging the electrochemical battery to expose the cathode to the flow of oxygen containing gas; and discharging the electrochemical battery after opening the valve of the electrochemical battery. | 04-12-2012 |
| 20120088163 | LITHIUM ION CONDUCTOR, METHOD OF PREPARING THE SAME, AND LITHIUM AIR BATTERY INCLUDING THE LITHIUM ION CONDUCTOR - A lithium ion conductor, a method of preparing the same, and a lithium air battery including the lithium ion conductor. The lithium ion conductor includes a phosphorus-based compound having a characteristic peak at a Raman shift of about 720˜770 cm | 04-12-2012 |
| 20120328962 | POWER STORAGE DEVICE, ELECTRODE THEREOF, AND METHOD FOR MANUFACTURING POWER STORAGE DEVICE - To provide a power storage device having excellent charge/discharge cycle characteristics and a high charge/discharge capacity. The following electrode is used as an electrode of a power storage device: an electrode including a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of whisker-like active material bodies. Each of the plurality of whisker-like active material bodies includes at least a core and an outer shell provided to cover the core. The outer shell is amorphous, and a portion between the current collector and the core of the active material bodies is amorphous. Note that a metal layer may be provided instead of the current collector, the active material bodies do not necessarily have to include the core, and a mixed layer may be provided between the current collector and the active material layer. | 12-27-2012 |
| 20120100442 | OXYGEN-CONSUMING ELECTRODE AND PROCESS FOR PRODUCING IT - An oxygen-consuming electrode includes a support in the form of a sheet-like structure and a coating including a gas diffusion layer and a catalytically active component, wherein the support is based on a material having a conductivity of less than 1000 S/cm, measured at 20° C. The supports are simple to produce and have a low weight and good processability in the production of the oxygen-consuming electrodes. | 04-26-2012 |
| 20120100441 | OXYGEN-CONSUMING ELECTRODE - The present invention relates to an oxygen-consuming electrode comprising a support in the form of a sheet-like structure and a coating comprising a gas diffusion layer and a catalytically active component, wherein the support is based on a material which can be at least partly removed by dissolution, decomposition, melting and/or vaporization. Furthermore, the use of this oxygen-consuming electrode in chloralkali electrolysis or fuel cell technology is described. | 04-26-2012 |
| 20120100440 | MULTI-LAYERED, CHEMICALLY BONDED LITHIUM-ION AND LITHIUM/AIR BATTERIES - Disclosed are multilayer, porous, thin-layered lithium-ion batteries that include an inorganic separator as a thin layer that is chemically bonded to surfaces of positive and negative electrode layers. Thus, in such disclosed lithium-ion batteries, the electrodes and separator are made to form non-discrete (i.e., integral) thin layers. Also disclosed are methods of fabricating integrally connected, thin, multilayer lithium batteries including lithium-ion and lithium/air batteries. | 04-26-2012 |
| 20130011752 | METAL OXYGEN BATTERY - There is provided a metal oxygen battery which uses an oxygen-storing material of a composite oxide containing YMnO | 01-10-2013 |
| 20130011751 | METAL OXYGEN BATTERY - There is provided a metal oxygen battery which uses an oxygen-storing material of a composite oxide containing Y and Mn as a positive electrode material, and can reduce the reaction overpotential. The metal oxygen battery | 01-10-2013 |
| 20130011750 | LI-AIR HYBRID BATTERY AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a liquid electrolyte electrode and a solid electrolyte electrode are stacked on both sides of an ion conductive glass ceramic. That is, disclosed is a lithium-air hybrid battery and a method for manufacturing the same, which has a structure in which a lithium metal negative electrode includes a liquid electrolyte and a porous air positive electrode comprising a carbon, a catalyst, a binder and a solid electrolyte are separately stacked on both sides of an impermeable ion conductive glass ceramic, and the liquid electrolyte is present only in the lithium metal negative electrode. | 01-10-2013 |
| 20130011753 | SELECTIVE OXYGEN-PERMEABLE SUBSTRATE, POSITIVE ELECTRODE FOR METAL-AIR BATTERY, METAL-AIR BATTERY, AND SELECTIVE OXYGEN-PERMEABLE MEMBRANE - There is provided a selective oxygen-permeable substrate including: a selective oxygen-permeable membrane having an inorganic framework and a transition metal ion complex and being capable of selectively permeating oxygen, and a porous substrate disposed on one surface of the selective oxygen-permeable membrane. Preferably, the transition metal ion complex is bonded to the inorganic framework. More preferably, a material constituting the inorganic framework is at least one kind selected from the group consisting of silica, titania, alumina, and zirconia. The selective oxygen-permeable substrate can selectively introduce oxygen in the air into the inside and has high durability against an electrolytic solution. | 01-10-2013 |
| 20130022881 | HYGROPHOBIC CONDUCTOR LAYER FOR ELECTROCHEMICAL CELL - The present application relates to a layer of an oxidant electrode having hygrophobic and current collecting properties, and electrochemical metal-air cell utilizing the same. | 01-24-2013 |
