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8157980 |
Multi-cell dual voltage electrolysis apparatus and method of using same
A method and apparatus for achieving high output efficiency from an electrolysis system (100) using a plurality of electrolysis cells all located within a single electrolysis tank (101) is...
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8110084 |
Electrode characterized by highly adhering superficial catalytic layer
The invention is relative to an electrode for gas evolution in electrolytic and electrometallurgical industrial applications, made of a metal substrate having a surface morphology characterized by...
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7922878 |
Electrohydrogenic reactor for hydrogen gas production
A system for hydrogen gas generation is provided according to the present invention which includes a hydrogen gas electrode assembly including a first anode in electrical communication with a first...
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7803264 |
Electro-catalysts for the oxidation of ammonia in alkaline media
An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia...
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7722757 |
Process for the production of hydrogen from water
A method and device for the production of hydrogen from water and electricity using an active metal alloy. The active metal alloy reacts with water producing hydrogen and a metal hydroxide. The...
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7491453 |
Bio-electrochemically assisted microbial reactor that generates hydrogen gas and methods of generating hydrogen gas
Systems and processes for producing hydrogen using bacteria are described. One detailed process for producing hydrogen uses a system for producing hydrogen as described herein, the system including...
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7491309 |
System and method for the production of hydrogen
Disclosed herein are a system and a method for the production of hydrogen. The system advantageously combines an independent high temperature heat source with a solid oxide electrolyzer cell and a...
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7485211 |
Electro-catalysts for the oxidation of ammonia in alkaline media
An electro-catalyst for the oxidation of ammonia in alkaline media; the electrocatalyst being a noble metal co-deposited on a support with one or more other metals that are active to ammonia...
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7481914 |
Photoelectrolysis cells, and related devices and processes
A photoelectrolysis cell is described herein. The cell includes a photoelectrode based on a material having the general formula (Ln1−xMx)(Nb1−yTay)O1+xN2−x. Ln is at least one lanthanide eleme...
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7338590 |
Water-splitting using photocatalytic porphyrin-nanotube composite devices
A method for generating hydrogen by photocatalytic decomposition of water using porphyrin nanotube composites. In some embodiments, both hydrogen and oxygen are generated by photocatalytic...
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7326329 |
Commercial production of hydrogen from water
Large quantities of low cost hydrogen free of carbon oxides are required as fuel for the hydrogen economy. Commercial quantities of hydrogen can be produced from the electrolysis of water using a...
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7258779 |
Method and means for hydrogen and oxygen generation
A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential...
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7232509 |
Hydrogen evolving cathode
Highly active hydrogen evolving cathode using a platinum group metal catalyst in an amount smaller than that used in the conventional hydrogen evolving cathode. The hydrogen evolving cathode...
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6991719 |
Method for producing and transporting hydrogen
A method for the production and storage of hydrogen. The hydrogen is produced via electrolysis and as the hydrogen is formed it is absorbed into a hydrogen storing cathode. Once the hydrogen...
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6843903 |
Photo-assisted electrolysis
An apparatus and method for performing electrolysis on materials such as water, thereby electrically separating the electrolyte into its elemental components. More specifically, according to a...
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6827838 |
Method of separating and collecting 18F in 18O water
A method of separating and recovering 18F from 18O water at high purity and efficiency while maintaining the purity of the 18O water. By using a solid electrode (1) as an anode and a container...
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6585881 |
Process for manufacture and improved manganese dioxide for electrochemical cells
A process for manufacture of manganese dioxide comprising subjecting an aqueous bath comprising manganese sulfate (MnSO4) and sulfuric acid (H2SO4) to electrolysis in a closed cell wherein the...
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6544400 |
Portable chemical hydrogen hydride system
A hydrogen source system delivers a controlled fuel stream to applications, using wicking to control the contact between a mixture of NaBH4, NaOH and H2O and a hydrolyzing catalyst to create a...
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6290836 |
Electrodes
An electrode (1) having an active surface for contacting an electrolyte. The electrode (1) comprises first and second metallic materials (2, 3) arranged to provide a number of first metallic...
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6217713 |
Process for producing aquafuel by using carbon fiber bundle electrodes
The invention concerns a process for producing aquafuel by replacing conventional inflexible carbon bars with thin, flexible and tough carbon fiber bundles as consumptive electrodes which thereby...
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6063258 |
Production of hydrogen from water using photocatalyst-electrolysis hybrid system
A process for the production of a hydrogen gas from water, wherein comprising an aqueous solution containing ferric ions is irradiated with a light while maintaining the aqueous solution in contact...
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5840172 |
Direct current hydrogen generator, system and method
The invention relates to an ultra-high purity gas generator system, such as a hydrogen gas generator system and method, which employs a direct current source to supply proportional electrical...
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5776328 |
Apparatus and process for electrochemically decomposing salt solutions to form the relevant base and acid
Electrolyzer for the electrolysis of a solution of a salt for the production of a solution containing an acid and a solution of a base, said electrolyzer comprising at least one elementary cell...
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5540831 |
Electrolytic hydrogen storage and generation
Hydrogen storage and generation is accomplished using an electrolytic cell which employs an inert gas electrode, a rechargeable battery electrode having an active material which stores hydrogen or...
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5376240 |
Process for the removal of oxynitrogen species for aqueous solutions
A process for electrochemically treating an aqueous solution containing inorganic oxynitrogen species is disclosed in which the aqueous solution is fed into the catholyte compartment of an...
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5089097 |
Electrolytic method for recovering silver from waste photographic processing solutions
The improved method and apparatus for recovering silver from a waste photographic processing solution, in which the waste solution is supplied into the cathode compartment of an electrolytic cell...
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4995952 |
Electrolysis of water using hydrogen sulfide
Conditions have been found which make possible the continuous electrolysis of water using hydrogen sulfide. Contrary to the previous claims, it is not necessary to add a solvent for sulfur...
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4793904 |
Process for the electrocatalytic conversion of light hydrocarbons to synthesis gas
An electrocatalytic process is described for producing synthesis gas from light hydrocarbons such as methane or natural gas. The process generally comprises the steps of (A) providing an...
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4765873 |
Continuous process for the removal of hydrogen sulfide from a gaseous stream
A process for removing hydrogen sulfide from a gaseous stream containing hydrogen sulfide by contacting said stream with an aqueous solution of ammonium hydroxide to produce ammonium sulfide;...
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4737249 |
Electrolytic production of hydrogen
A process for the electrochemical production of hydrogen from an aqueous alkaline electrolyte characterized by the use as a cathode of a material having the general formula AB5 Hx wherein A is one...
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4699700 |
Method for hydrogen production and metal winning, and a catalyst/cocatalyst composition useful therefor
A catalyst/cocatalyst/organics composition of matter is useful in electrolytically producing hydrogen or electrowinning metals. Use of the catalyst/cocatalyst/organics composition causes the anode...
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4670113 |
Electrochemical activation of chemical reactions
A process for the gasification or combined gasification and liquefaction of carbon or carbonaceous materials by utilizing electrochemically generated atomic hydrogen to activate the chemical...
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4663004 |
Electrochemical conversion using alternating current and semiconductor electrodes
A method for electrochemical converting reactants to products includes cycling alternating electrical current to an electrode containing a non-degenerate semiconductor material in an...
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4643809 |
Process for electrochemically gasifying coal using electromagnetism
A process for electrochemically gasifying coal by establishing a flowing stream of coal particulate slurry, electrolyte and electrode members through a transverse magnetic field that has sufficient...
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4561948 |
Electrochemical neutralization of acid electrolyte
A process for electrochemical neutralization of acid electrolyte, such as acid mine drainage. A vessel is provided with an anode electrically connected to a cathode with the cathode material being...
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4547278 |
Cathode for hydrogen evolution
A cathode for hydrogen evolution comprising a substrate stable in aqueous alkaline media having on the surface thereof a coating of particles of an ABN intermetallic, and optionally particles of a...
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4544461 |
Hydrogen sulfide decomposition cell and catalytic materials therefor
A catalytic material for electrochemically oxidizing hydrogen sulfide or another sulfur containing gas is provided to accomplish decomposition of the gas. The catalytic materials can be...
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4541908 |
Heme protein immobilized electrode and its use
An electrical conducting solid electrode on the surface of which cytochrome c3 is immobilized in an amount ranging from 20%-100% of the monolayer coverage, said electrode thereby provided with the...
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4496442 |
Process for generating hydrogen gas
A process and cathode for generating hydrogen gas are described, said cathode being produced by electrically plating the surface of an electrode substrate in a nickel plating bath with fine...
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4466868 |
Electrolytic cell with improved hydrogen evolution cathode
An electrolytic cell having an improved hydrogen evolution cathode, said cathode being characterized by a conductive metal core and an integral Raney-type catalytic surface predominantly derived...
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4465570 |
Process for producing hydrogen
A process for producing hydrogen by an electrolysis of water with an aqueous solution of an alkali hydroxide is provided. It is to use an electrolytic cell prepared by bonding a gas and liquid...
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4439290 |
Process for the separation of oil-in-water emulsions by electrolysis
Process for the continuous separation of oil-in-water emulsions, which may contain surfactants, for example oil- and surfactant-containing effluents, by electrolysis, which comprises electrolysing...
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4437954 |
Fuels production by photoelectrolysis of water and photooxidation of soluble biomass materials
A process and apparatus for production of fuels by photoelectrolysis of water and photooxidation of water soluble biomass and a process for preparation of Schottky-type metalized, appropriately...
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4422909 |
Electrolytic process for the manufacture of alkali metal halate
An electrolytic apparatus for the production of an alkali metal halate, such as sodium chlorate, from an aqueous solution of alkali metal halide, such as sodium chloride, includes vertical anodes...
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4414080 |
Photoelectrochemical electrodes
The surface (20) of a moderate band gap semiconductor (12) such as p-type molybdenum sulfide is modified to contain an adherent film (24) of charge mediating ionene polymer containing an...
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4414092 |
Sandwich-type electrode
Disclosed is an improvement on a method of making an electrode wherein a suspension in a liquid is prepared of a powdered catalyst containing a noble metal, carbon powder and a binder, and the...
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4412893 |
Anode-assisted cation reduction
A method of cation reduction by anode-assisted electrolysis comprises electrolyzing cations at a cathode of a cell in which the anolyte contains ferrous ion as a reducing agent, with relative...
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4388162 |
Continuous flow electrochemical cell and process
A continuous electrolyte flow electrochemical cell having an outer tubular shaped electrode, a central electron conducting current collector shaft extending through the central portion of the...
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4379740 |
Photoassisted generation of hydrogen from water
Hydrogen is generated from water containing acid by passing electric current through it, using as the cathode a semiconductor exposed to light and having a transition metal metallocenophane...
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4356076 |
Apparatus for the anodic oxidation of aluminum
An apparatus for the anodic oxidation of aluminum permits the recovery of hydrogen generated from the cathode. The cathode is positioned within a tubular member provided with a multiplicity of...
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