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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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...
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...
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.
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...
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...
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...
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...
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...
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...
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...
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;...
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...
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
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...