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7604719 |
In situ generation of hydrogen peroxide
A device is disclosed for the generation of hydrogen peroxide. The device produces hydrogen peroxide on an as-needed basis through the use of electrolysis of water, wherein the hydrogen and oxygen...
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7592091 |
Microreactor
A microreactor includes a filament comprising a supporting core having an axial length and a plurality of webs extending radially from the core and axially along said length. The filament forms a...
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7422673 |
Membrane electrode assemblies and electropaint systems incorporating same
Described are novel systems for electrodeposition of paint on counter-electrodes, and membrane electrode assemblies for incorporation into such systems. In certain embodiments of the invention,...
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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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7402425 |
Stress-based electrostatic monitoring of chemical reactions and binding
Electrostatic capacitance measurements are used to detect chemical or biological analytes, or chemical interactions, with great sensitivity. A diaphragm is coated with a material capable of...
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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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7244342 |
Membrane electrode system for electro coating
A membrane electrode cell is disclosed which has a membrane cartridge that can readily be removed from the cell without disassembling the framework of the cell. Also, a membrane electrode cell is...
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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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7132190 |
Electrode arrangement for a fuel cell
A microreactor for use in an electrode system of a fuel cell includes a filament having a supporting core and a plurality of spokes extending radially from the core, the filament forming an...
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6977036 |
Method and apparatus for substrate polishing
A method and apparatus are provided for polishing a substrate surface. In one aspect, an apparatus for polishing a substrate includes a conductive polishing pad and an electrode having a membrane...
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6890410 |
Apparatus for converting a fluid into at least two gasses through electrolysis
An electrolysis conversion system for converting liquid to gas, such as water into hydrogen and oxygen, includes a housing in which are housed encapsulated and non-encapsulated electrodes in any...
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6875331 |
Anode isolation by diffusion differentials
Embodiments of the invention generally provide an electrochemical plating cell having a cell body configured to contain a plating solution therein. An anode assembly is immersed in a fluid solution...
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6855660 |
Rhodium electrocatalyst and method of preparation
A rhodium sulfide electrocatalyst formed by heating an aqueous solution of rhodium salt until a steady state distribution of isomers is obtained and then sparging hydrogen sulfide into the solution...
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6846392 |
Hydrophobic and hydrophilic membranes to vent trapped gases in a plating cell
A plating tool cell anode for venting unwanted gases from a fluid plating solution. In a first embodiment, the solution is introduced into a chamber, defined by the plating tool cell ( 10 ), by...
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6841047 |
Electrolysis cell, in particular for the electrochemical preparation of chlorine
The invention relates to an electrolysis cell comprising an anode frame ( 26 ), an anode ( 24 ), a cation-exchange membrane ( 34 ), a gas diffusion electrode ( 32 ), a current collector ( 10 ) and...
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6821407 |
Anode and anode chamber for copper electroplating
An electroplating system includes (a) a phosphorized anode having an average grain size of at least about 50 micrometers and (b) plating apparatus that separates the anode from the cathode and...
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6811903 |
Electrochemical cell recharging system
A rechargeable electrochemical cell system is provided. The system includes a plurality of cells, wherein each cell is comprised of a first electrode, a second electrode, and a third electrode...
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6787008 |
Hydrogen generating cell with cathode
A storage stable hydrogen cell comprising an anode cap subassembly, cathode can subassembly, and a grommet is disclosed. For one embodiment the cathode in the cathode can subassembly is configured...
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6762210 |
Process for producing polymeric actuators
A process for producing a polymeric actuator including an ion-exchange resin product and metal electrodes which are formed on the surface of the ion-exchange resin product is provided. The process...
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6755960 |
Zinc-nickel electroplating
The present invention relates to an apparatus ( 12 ) for applying a zinc-nickel electroplate to a workpiece. The apparatus comprises a zinc-nickel electroplating bath ( 16 ) comprising an amine...
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6649300 |
Electrode catalyst and electrochemical devices using the same
An electrode catalyst for fuel cells which comprises a conductive carbon, platinum supported on the conductive carbon in an amount of from 20% by mass to 70% by mass based on the mass of the...
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6630081 |
Process for producing gas diffusion electrode material
A process for producing a reaction layer material or gas feed layer material for a gas diffusion electrode, which comprises the steps of: dispersing a gas diffusion electrode raw material excluding...
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6607647 |
Electrodeionization apparatus with expanded conductive mesh electrode and method
An electrodeionization apparatus and method of use includes an expanded conductive mesh electrode. The expanded conductive mesh electrode may be formed from any conductive material that is...
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6576110 |
Coated anode apparatus and associated method
An anode is configured to be used within a metal film plating apparatus. The anode has a substantially planar electric field generating portion and an electrolyte solution chemical reaction...
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6569299 |
Membrane partition system for plating of wafers
An anode includes an anode cup, a membrane and ion source material, the anode cup and membrane forming an enclosure in which the ion source material is located. The anode cup includes a base...
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6527921 |
Electrochemical cell stacks
An electrochemical cell stack comprising stack walls and a plurality of electrolytic cells within the stack walls, each cell comprising cell members selected from an anode a cathode; a membrane...
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6461486 |
Tube inner surface electropolishing device with electrolyte dam
The tube inner surface electropolishing device includes an electrolyte delivery system to cause electrolyte to flow through the tube whose inner surface must be electropolished. An electrical cable...
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6444602 |
Structures and methods of manufacture for gas diffusion electrodes and electrode components
Gas Diffusion Electrodes (GDEs) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid...
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6383352 |
Spiral anode for metal plating baths
A metal anode having at least a portion of which formed in a spiral configuration is disclosed. The spacing between the adjacent spirals of the anode is essentially uniform in order to provide...
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RE37656 |
Electrode apparatus containing an integral composite membrane
A composite membrane is provided which includes a base material and an ion exchange resin. The base material has a microstructure characterized by nodes interconnected by fibrils, or a...
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6365017 |
Substrate plating device
The present invention relates to a substrate plating apparatus for plating a substrate in a plating bath containing plating solution. An insoluble anode is disposed in the plating bath opposite the...
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6319293 |
Membrane electrode assembly
A membrane electrode assembly is provided comprising an ion conducting membrane and one or more electrode layers that comprise nanostructured elements, wherein the nanostructured elements are in...
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6312757 |
Cathode for diaphragm chlor-alkali electrolysis cell
The invention concerns a diaphragm chlor-alkali electrolysis cell comprising a cover, a conductive base for supporting the anodes and a cathode in the form of a box provided with internal wall,...
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6306536 |
Method of reducing fuel cell performance degradation of an electrode comprising porous components
An improved method reduces fuel cell performance degradation of an electrode comprising porous components. Electrochemical solid polymer electrolyte fuel cells typically have present therein a...
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6264809 |
Enhanced membrane electrode devices useful for electrodeposition coating
One electrode is provided in association with the object to be coated, the other electrode. A pre-stretched ion-exchange membrane in a thin tubular form is sandwiched inbetween two nonconductive...
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6235186 |
Apparatus for producing electrolytic water
An apparatus for producing electrolytic water in which the yielded electrolytic water does not suffer quality deterioration caused by chemical species, e.g., hydrogen ions, moving to the...
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6231730 |
Cathode frame
A cathode frame for receiving and retaining a cathode plate for electrowinning and/or electrorefining processes is constructed as an integrally-formed frame body having a base member and side...
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6221220 |
Portable device for deionizing liquids
A self-contained, portable device for decomposing ions present in a liquid includes a housing shaped to be held within a human hand; a source of electric current; an anode that is comprised of an...
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6200457 |
Electroactivated material, its preparation and its use in producing cathode components
The present invention relates to an electroactivated material comprising fibers and a binder and additionally having an electrocatalytic agent in the form of particles comprising a precious metal...
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6183623 |
Electrochemical conversion of anhydrous hydrogen halide to halogen gas using an ionically conducting membrane
The invention relates to a process for electrochemically converting anhydrous hydrogen halide, such as hydrogen chloride, hydrogen fluoride, hydrogen bromide and hydrogen iodide, to essentially dry...
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6183609 |
Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures
A sintered laminated structure including a plurality of ceramic layers made of ceramic materials different from one another, wherein each of the ceramic layers is provided with through-holes...
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6180163 |
Method of making a membrane-electrode assembly
The present invention relates to an electrochemical cell and a process for converting anhydrous hydrogen halide to halogen gas using a membrane-electrode assembly (MEA) or a separate membrane and...
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6165333 |
Cathode assembly and method of reactivation
A cathode assembly comprising a cathode, an ion-exchange membrane, and an electroconductive porous member permeable to gas and liquid sandwiched between the cathode and the membrane. The porous...
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6149810 |
Membrane with supported internal passages
The invention provides an improved proton exchange membrane for use in electrochemical cells having internal passages parallel to the membrane surface comprising permanent tubes preferably placed...
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6120658 |
Electrode cover for preventing the generation of electrolyte mist
A mist preventing cover for an electrode has an upper end which surrounds and is sealed to an electrode above the surface of the electrolyte in an electrowinning cell to thereby form a...
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6117286 |
Electrolytic cell employing gas diffusion electrode
A zero-gap type electrolytic cell 11 characterized as having a hydrophilic liquid-permeable material 16 interposed between an ion-exchange membrane 12 and a gas diffusion cathode 17. The reaction...
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6103075 |
Linear electrochemical conductor element
The invention pertains to linear electrochemical functional elements which have strip-shaped ion-exchange membranes (IEMs) and/or hydrogen-diffusion electrodes accessible at the ends which are...
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6099704 |
Asbestos-free cathodic element suitable for electrolysis of sodium chloride solution
This invention covers a cathodic element free from asbestos fibres that can be obtained by deposition after filtration through a porous medium of an aqueous suspension comprising electrically...
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6045668 |
Diaphragm chlor-alkali electrolysis cell
The invention concerns a diaphragm chlor-alkali electrolysis cell comprising a cover, a conductive base for supporting the anodes and a cathode in the form of a box provided with internal wall,...
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6042958 |
Composite membranes
A novel composite membrane comprising a porous substrate of randomly orientated individual fibres and at least one ion conducting polymer, characterised in that the ion conducting polymer is...
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