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7615138 |
Electrolysis apparatus with pulsed, dual voltage, multi-composition electrode assembly
An electrolysis system ( 100 ) is provided. In addition to an electrolysis tank ( 101 ) and a membrane ( 105 ) separating the tank into two regions, the system includes at least one pair of low...
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7591932 |
Pressure electrolyser and cell frame for said electrolyser
A pressure electrolyzer having an electrolytic cell block that contains a number of electrolytic cells combined to form a stack, each electrolytic cell having an anode and a cathode. The...
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7588796 |
Method of making a composite membrane
A method of making a composite membrane with ion exchange properties includes, in an exemplary embodiment, forming a porous membrane from a first material, dissolving a coating material in a fluid...
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7585338 |
Hydrogen generating apparatus
Hydrogen is generated in a reactor, of a hydrogen generating apparatus, in which a catalyst is installed and the catalyst and a borohydride fuel are reacted. The hydrogen generating apparatus...
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7566387 |
Apparatus for producing ozone by electrolysis
The present invention discloses an apparatus for producing ozone by electrolysis of water. The apparatus comprises a pair of frames facing each other, and an anode and a cathode oppositely arranged...
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7566386 |
System for electrochemically processing a workpiece
A reactor for electrochemically processing at least one surface of a microelectronic workpiece is set forth. The reactor comprises a reactor head including a workpiece support that has one or more...
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7566385 |
Apparatus adapted for membrane-mediated electropolishing
This invention provides a membrane-mediated electropolishing apparatus for polishing and/or planarizing metal work-pieces. The work-piece is wetted with a low-conductivity fluid. The wetted...
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7560010 |
Diaphragm electrolytic cell
A diaphragm electrolytic cell is composed of two or more overlaid modules; at least the upper modules having U-shaped anodes with diaphragm-coated cathodes housed within, allowing for a reduced...
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7557164 |
Membranes of fluorinated ionomer blended with nonionomeric fluoropolymers for electrochemical cells
Blends of fluorinated ionomer with at least two nonionomeric fluoropolymers provide fuel cell membranes whose tensile strength and conductivity are superior to blends using a single fluoropolymer.
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7553580 |
Electrode substrate for a fuel cell, a method for preparing the same, and a membrane-electrode assembly comprising the same
An electrode substrate for a fuel cell including a diffusion layer, a first microporous layer that embeds into the diffusion layer, with the first microporous layer having a thickness in the range...
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7553399 |
Hydrogen production apparatus with electrolyte of varying thicknesses
A hydrogen production apparatus comprises a solid polymer electrolyte membrane, a pair of rigid power feeders, separators, pressing means for pressing the separators and the power feeders against...
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7550113 |
System for maintaining hydrogen purity in electrical generators and method thereof
A method and apparatus is provided for an a system for maintaining hydrogen purity in an electrical power generator. The purity system includes: a generator, a hydrogen generator configured to...
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7527770 |
Photolytic oxygenator with carbon dioxide fixation and separation
Apparatus for oxygenating an enclosed space as well as removing carbon dioxide from the enclosed space.
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7507493 |
Electrochemical cell having protection against creep
An electrochemical cell having a membrane electrode assembly (MEA), and a gas diffusion layer (GDL) disposed proximate a side of the MEA with an edge of the GDL disposed inboard of an edge of the...
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7507318 |
Devices using resin wafers and applications thereof
Devices incorporating a thin wafer of electrically and ionically conductive porous material made by the method of introducing a mixture of a thermoplastic binder and one or more of anion exchange...
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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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7488409 |
Mediated electrochemical oxidation of animal waste materials
Animal waste is contacted with an electrolyte containing the oxidized form of one or more reversible redox couples, produced electrochemically by anodic oxidation at the anode of an electrochemical...
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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 (Ln 1−x M x )(Nb 1−y Ta y )O 1+x N 2−x . Ln is at least one...
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7455934 |
Fluorocopolymer material with sulfonic acid functional groups as a solid polyelectrolyte for use in fuel cells
The invention is a material for a solid polyelectrolyte, comprising a multi-segmented fluoropolymer that comprises a block copolymer and/or a graft copolymer, wherein the copolymer contains one or...
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7438788 |
Apparatus and methods for electrochemical processing of microelectronic workpieces
An apparatus and method for electrochemical processing of microelectronic workpieces in a reaction vessel. In one embodiment, the reaction vessel includes: an outer container having an outer wall;...
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7431818 |
Electrochemical fuel deoxygenation system
A fuel system for an energy conversion device includes a deoxygenator system with an electrochemical conversion system to remove oxygen from fuel through conversion of the oxygen to water. The...
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7414102 |
Polymer electrolyte of high durability and a production process thereof
A polymer electrolyte of high durability consistent with the present invention is characterized as including a first repeating unit represented by a general formula
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7407635 |
Processes and apparatuses for treating halogen-containing gases
There are disclosed various processes, apparatuses and systems for treating a halogen-containing gas such as F 2 that involve generating a plasma in order to reduce chemically the...
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7399391 |
Elastic current collector
The invention describes a current collector for electrochemical cells, consisting of a sandwich of compressible and resilient layers of metal wires, which imparts a predetermined mechanical load...
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7387719 |
Mediated electrochemical oxidation of biological waste materials
Mediated electrochemical oxidation to treats, oxidizes and destroys biological waste, medical, infectious, pathological, animal, sanitary, mortuary, ship, veterinary, pharmaceutical and combined...
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7351317 |
Electrolytic cell comprising an interior trough
The invention relates to an electrolysis device for halogen gas production from an aqueous alkali halide solution in several plate-type electrolysis cells stacked and arranged side by side, with...
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7351316 |
Water electrolysis method and device for determination of hydrogen and oxygen stable isotopic composition
Water electrolysis device determining stable isotopic composition of water and a water electrolysis method for stable isotopic composition of water capable of analyzing many samples easily, safely...
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7332108 |
Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane
There is disclosed a method for preparing a thin ceramic and/or metallic solid-state composition consisting of three phases: a material (A), a material (B) and pores. The concentration of each...
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7329332 |
Diaphragm for electrolytic cell
Describes a cathode assembly for electrolytic cells, e.g., chlor-alkali electrolytic cells, comprising a foraminous cathode substrate, a deposited erodible mat comprising synthetic (man-made)...
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7329331 |
Electrolysis cell, especially for electrochemical production of chlorine
An electrolysis cell, suitable for the electrochemical production of chlorine from aqueous solutions of hydrogen chloride. The cell preferably comprises an anode space formed from an anode, an...
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7323089 |
Bonded membrane-electrode assembly for electrolysis of water and water electrolyzer using the same
The present invention provides a bonded membrane-electrode assembly for electrolysis of water, which enables the generation of hydrogen capable of being used as a fuel for a fuel cell by...
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7311989 |
Polymer membrane, process for its production and membrane-electrode assembly for solid polymer electrolyte fuel cells
The present invention provides a polymer membrane mainly made of an ion exchange resin which further comprises melt-spun fluororesin fibers such as fibers made of an ethylene-tetrafluoroethylene...
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7311808 |
Device and method for increasing mass transport at liquid-solid diffusion boundary layer
A device and method for increasing the mass transport rate of a chemical or electrochemical process at the solid and fluid interface in a fluid cell. The device includes a membrane in close contact...
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7303661 |
Electrode for electrolysis and ion exchange membrane electrolytic cell
A metal coil or an elastic cushion formed by winding the metal coil around a corrosion-resistant frame is sandwiched between an electrode and an electrode collector or a cell wall or is used as an...
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7291191 |
Fuel cell cartridge filters and pressure relief
Described herein is a portable storage device that stores a hydrogen fuel source. The storage device includes a bladder that contains the hydrogen fuel source and conforms to the volume of the...
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7273535 |
Insoluble anode with an auxiliary electrode
A method and apparatus for plating a metal onto a substrate. The apparatus includes a fluid basin configured to contain a plating solution, an anode fluid volume positioned in a lower portion of...
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7267753 |
Electrokinetic device having capacitive electrodes
An electrokinetic device is capable of operating for extended periods of time, e.g. days to a week, without producing significant gaseous byproducts and without significant evolution of the pump...
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7238272 |
Production of electrolytic water
Apparatus and methods are provided for producing electrolytic water using three chambers, rigid plates and ion exchange membranes. Benefits include reduced scale production and increased long-term...
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7229535 |
Hydrogen bubble reduction on the cathode using double-cell designs
An apparatus and method for planarizing a surface of a substrate using a chamber separated into two parts by a membrane, and two separate electrolytes is provided. The embodiments of the present...
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7226529 |
Electrolyzer system to produce gas at high pressure
An apparatus and method to produce hydrogen gas a high pressure is disclosed. An electrolyzer is located inside a pressure vessel that is pressurized with high pressure water. The high pressure...
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7201830 |
Anode for oxygen evolution and relevant substrate
The invention concerns an anode for gas evolution in electrochemical applications comprising a titanium or other valve metal substrate characterized by a surface with a low average roughness,...
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7195702 |
Tin alloy electroplating system
Disclosed are systems and methods of plating a tin alloy in an efficient, economical, and environmentally friendly manner. An electrochemical cell containing an anolyte compartment and a catholyte...
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7169822 |
Polymeric actuator
A polymeric actuator of simple structure, capable of being easily miniaturized, showing quick response and capable of generating large displacement. The polymeric actuator includes an ion-exchange...
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7169281 |
Electrochemical pressurizer/purifier of hydrogen for operation at moderately elevated temperatures (including high-temperature electrochemical pump in a membrane generator of hydrogen)
An generator of pure pressurized high pressure hydrogen comprising a molten hydroxide or eutectic mixture electrolyte pressurizing chamber bounded by a hydrogen-selective anode and a...
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7156962 |
Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device
There are provided an electrode for electrolysis which takes into consideration safety to human bodies and environmental pollution upon disposal of the electrode, produces ozone with high...
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7153409 |
Electrochemical cell system and method of operation
In one embodiment, the electrochemical system comprises an electrochemical cell and hydrogen storage in fluid communication with the hydrogen electrode, the hydrogen storage comprising at least one...
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7141147 |
Electrolytic cell
The invention relates to an electrolytic cell, and a method for manufacturing such cell. The cell comprises an anode and a cathode compartment, a separator partitioning the compartments, gas...
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7128823 |
Anolyte for copper plating
Embodiments of the invention provide a method for plating copper into features formed on a semiconductor substrate. The method includes positioning the substrate in a plating cell, wherein the...
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7122072 |
Controlled heating and cooling of mixed conducting metal oxide materials
Method for processing an article comprising a mixed conducting metal oxide material, which method comprises (a) contacting the article with an oxygen-containing gas and reducing or increasing the...
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