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| Number | Title | Issue Date |
| 7129000 | Battery and method for generating an electric power For utilizing the chemical energy of a sugar directly as electric energy, electrolytic oxidation of a sugar on the negative electrode associated with cleavage of a carbon-carbon bond thereof is employed, thereby generating an electromotive force between the positive... | 10/31/2006 |
| 7122277 | Battery and battery electrode The present invention relates to a battery comprising at least a positive electrode, a negative electrode and an electrolyte as composing elements, wherein the positive electrode and/or the negative electrode comprise an active material of nitroxyl radical compound ... | 10/17/2006 |
| 7115338 | Battery and method for generating electricity A positive electrode, a negative electrode, and an electrolyte intervening between the positive electrode and the negative electrode are employed, and a molecule capable of being excited due to absorption of light and electrochemically oxidizing carbohydrate is prov... | 10/03/2006 |
| 7078123 | High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions Disclosed is a method for preparing a high energy density (HED) electrolyte solution for use in an all-vanadium redox cell, a high energy density electrolyte solution, in particular an all-vanadium high energy density electrolyte solution, a redox cell, in particula... | 07/18/2006 |
| 7045248 | Secondary battery having radical compound electrode In a secondary battery comprising a positive electrode, a negative electrode and an electrolyte therebetween, active material of one of the positive electrode and the negative electrode includes a compound having boron radicals or sulfur radicals. ... | 05/16/2006 |
| 7036616 | Hydrogen-electric hybrid vehicle construction An electric vehicle which carries at least two passengers, which has at least three wheels, said passengers sitting in tandem and most of the batteries or fuel cell systems are located on the sides of the passengers. The vehicle has an aerodynamically shaped body wi... | 05/02/2006 |
| 7033696 | Electric devices with improved bipolar electrode An electric device has a plurality of cells in which in an acid electrolyte a lanthanide and zinc form a redox couple that provide a current, and in which at least two of the cells are separated by a bipolar electrode that comprises a glassy carbon or a Magneli phas... | 04/25/2006 |
| 7029778 | Fuel cell with simultaneous gas generation The present invention is a method of generating electrical energy from chemically generated hydrogen and oxygen including the steps of establishing a first reaction compartment, generating hydrogen gas from a reaction of aluminum metal and aqueous alkali solution in... | 04/18/2006 |
| 7026595 | Light detector A light sensor and method of detecting light using the light sensor are provided. The light sensor includes a container having an anode compartment and a cathode compartment. The anode compartment has an anode and the cathode compartment has a cathode. The container... | 04/11/2006 |
| 7019494 | Methods of charging lithium sulfur cells Disclosed is a method of charging a lithium-sulfur electrochemical cell wherein the lithium-sulfur cell comprises a cathode comprising an electroactive sulfur-containing material, an anode comprising lithium, and a nonaqueous electrolyte. ... | 03/28/2006 |
| 6986966 | Battery with bifunctional electrolyte A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred compounds include alkyl sulfonic acids and alkyl phosphonic acids, and part... | 01/17/2006 |
| 6982128 | Co-catalyst proton exchange membrane fuel cell utilizing borohydride fuels Two co-catalysts selected from the transitional metals can be employed in proton exchange membrane fuel cells to catalyze a borohydride anolyte, such that diatomic hydrogen produced on the surface of a particle of a first catalyst is diffused to an adjacent surface ... | 01/03/2006 |
| 6972154 | Anodically bonded device structure We have developed a method of anodic bonding which directs cations to a location within a bonding structure which is away from critical bonding surfaces. This prevents the formation of compounds comprising the cations at the critical bonding surfaces. The anodic bon... | 12/06/2005 |
| 6955866 | Coated lithium electrodes Batteries including a lithium anode stabilized with a metal-lithium alloy and battery cells comprising such anodes are provided. In one embodiment, an electrochemical cell having an anode and a sulfur electrode including at least one of elemental sulfur, lithium sul... | 10/18/2005 |
| 6924049 | Electrolysis fuel cell energy plant A fuel cell device for providing electrical energy, the fuel cell device comprising a first storage tank for storing a hydrogen-based fuel, a second storage tank for storing an oxidant, a fuel cell portion having an electron input, an electrolysis portion having an ... | 08/02/2005 |
| 6916576 | Power generating method and cell A positive electrode, a negative electrode, and an electrolyte intervening between the positive electrode and the negative electrode are employed, and a molecule capable of being excited due to absorption of light and electrochemically oxidizing carbohydrate is prov... | 07/12/2005 |
| 6911280 | Chemical protection of a lithium surface Disclosed are compositions and methods for alleviating the problem of reaction of lithium or other alkali or alkaline earth metals with incompatible processing and operating environments by creating a ionically conductive chemical protective layer on the lithium or ... | 06/28/2005 |
| 6911274 | Fuel cell system A fuel cell system is described which comprises a power source and a fuel storage unit. A flowable fuel is contained with the fuel storage unit. A first flow path delivers fuel from the fuel storage unit to the power source. Some or all of this fuel is deposited int... | 06/28/2005 |
| 6908699 | Fuel cell The present invention is a method of generating electrical energy from chemically generated hydrogen and oxygen including the steps of establishing a first reaction compartment, generating hydrogen gas from a reaction of aluminum metal and aqueous alkali solution in... | 06/21/2005 |
| 6905797 | Porous mat electrodes for electrochemical reactor having electrolyte solution distribution channels A multicell assembly for a redox flow electrolyzer is constituted by alternately stacking pre-assembled elements, typically an electrode subassembly including porous mat electrodes on opposite faces of a conductive plate and a permionic membrane subassembly. Pressur... | 06/14/2005 |
| 6887600 | Regenerative fuel cell with pH control The present invention relates to a process for operating a regenerative fuel cell (RFC). The process involves circulating a first electrolyte (electrolyte 1) through the negative chamber of the cell and a second electrolyte (electrolyte 2) through the ... | 05/03/2005 |
| 6872376 | Modified vanadium compound, producing method thereof, redox flow battery electrolyte composite and redox flow battery electrolyte producing method A modified vanadium compound characterized in that vanadium sulfate (III), or a mixed vanadium compound of vanadium sulfate (III) and vanadyl sulfate (IV) contains excessive sulfuric acid other than sulfate group composing the vanadium sulfate (III) or the vanadyl s... | 03/29/2005 |
| 6864012 | Recombinator for the re-acidification of an electrolyte stream in a flowing electrolyte zinc-bromine battery A recombinator device and associated method for re-acidification of an electrolyte in a flowing electrolyte zinc-bromine battery. The recombinator device receives hydrogen, formed as a result of electrolysis within cell stacks of the zinc-bromine battery, as well as... | 03/08/2005 |
| 6855443 | Electrochemical device A device in accordance with a present invention includes at least one of a stainless steel anode and transition metal oxide cathode. ... | 02/15/2005 |
| 6849356 | Separated flow liquid catholyte aluminum hydrogen peroxide seawater semi fuel cell The present invention relates to an improved semi-fuel cell and an improved cathode used therein. The semi-fuel cell stack comprises a housing, an anode within the housing, a porous cathode within the housing, an aqueous catholyte within the housing, an aqueous anol... | 02/01/2005 |
| 6841294 | Electrolyte rebalancing system A process for rebalancing the electrolyte system in a regenerative fuel cell using a sulfide/polysulfide reaction in one half of the cell and a bromine/bromide reaction in the other half of the cell comprises passing the electrolyte containing sulfide/polysulfide or... | 01/11/2005 |
| 6838208 | Modified thermal galvanic cell This invention is directed to modified thermal galvanic cells for conversion of heat into useful electrical energy by electrochemical action using thermal and concentration differences to enhance the power produced by the cell. The cells of the invention comprise ac... | 01/04/2005 |
| 6790555 | Electrochemical cell having a controlled electrode surface The present invention relates to an electrochemical cell having a controlled electrode surface, comprising: a first electrode and a second electrode wherein at least one of the first and second electrodes has a carbonaceous surface; an electrolyte cont... | 09/14/2004 |
| 6773470 | Suspensions for use as fuel for electrochemical fuel cells A fuel composition for fuel cells includes a polar solvent such as water, a first portion of a first fuel dissolved in the solvent at a saturated concentration, and a second portion of the first fuel suspended in the solvent to serve as a reservoir of fuel as the di... | 08/10/2004 |
| 6764789 | Redox flow battery The present invention provides a redox flow type battery which a liquid-circulating battery comprising a battery cell and storage tanks for positive and negative electrolytes, wherein the battery cell is separated by a membrane to provide a positive cell and a negat... | 07/20/2004 |
| 6759034 | Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack A very low emission hybrid electric vehicle incorporating an integrated propulsion system which includes a hydrogen powered internal combustion engine, a metal hydride hydrogen storage unit, an electric motor, high specific power, high energy density nickel-metal hy... | 07/06/2004 |
| 6720107 | Redox gel battery A redox gel battery comprising at least one cell consisting of: (i) a positive gel electrolyte containing reactive ions which are reduced but do not undergo phase transfer during operation of the battery; (ii) a negative gel electrolyte containing reactive ions whic... | 04/13/2004 |
| 6692862 | Redox flow battery and method of operating it By realizing or installing check valve liquid vein interrupters in each compartment of the battery the phenomenon of slow discharge of the retained volumes of electrolytes during long periods of inactivity of a redox flow battery, with the electrolyte pum... | 02/17/2004 |
| 6652819 | Production of high purity vanadium compound from vanadium-containing carbonaceous residues A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690° C. in an oxygen-containing gas to form vanadium-containi... | 11/25/2003 |
| 6617070 | Methods of detecting the onset of colloid formation in particular sulfur precipitation A method suitable for detecting the onset of colloid formation within a solution whose composition is in a state of change, which method makes use of the technique of acoustophoresis and which comprises the step of either (I) applying an oscillating elect... | 09/09/2003 |
| 6613298 | Trivalent and tetravalent mixed vanadium compound producing method and vanadium electrolyte producing method The present invention provides method of producing a trivalent and tetravalent mixed vanadium compound having excellent solubility with sulfuric acid directly from a tetravalent or pentavalent vanadium compound by using a reducing agent,and a method of pr... | 09/02/2003 |
| 6613471 | Active material for fuel cell anodes incorporating an additive for precharging/activation thereof A hydrogen storage alloy active material for the anode of Ovonic instant startup/regenerative fuel cells. The active material includes a hydrogen storage alloy material with a water reactive chemical hydride additive, which, upon utilization of the active... | 09/02/2003 |
| 6565836 | Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack A very low emission hybrid electric vehicle incorporating an integrated propulsion system which includes a hydrogen powered internal combustion engine, a metal hydride hydrogen storage unit, an electric motor, high specific power, high energy density nick... | 05/20/2003 |
| 6555267 | Membrane-separated, bipolar multicell electrochemical reactor A multicell assembly is constituted by alternately stacking two types of pre-assembled elements: a bipolar electrode holding subassembly and a membrane holding subassembly. The alternate stack of elements is piled over a bottom end element and the stack i... | 04/29/2003 |
| 6537468 | Composition for ionically conductive solid polymer, ionically conductive solid polyelectrolyte, binder resin, and secondary battery The invention is directed at an ion-conductive solid polymer-forming composition, a binder resin and an ion-conductive solid polymer electrolyte comprising (A) a polymeric compound containing polyvinyl alcohol units and having an average degree of polymer... | 03/25/2003 |
