|
Match
|
Document |
Document Title |
|
|
7601216 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof
A method for forming a patterned noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web with a patterned mask...
|
|
|
7566514 |
Catalyst for cathode in fuel cell
A catalyst particle having high oxygen reduction reactivity and low methanol oxidation reactivity, a supported catalyst comprising the catalyst particle, and a fuel cell using a cathode comprising...
|
|
|
7566388 |
Electrode catalyst for oxygen reduction and gas diffusion electrode
An electrode catalyst comprising a conductive carrier, and a mixture containing a particulate noble metal and at least one particulate rare-earth oxide, the mixture being supported on the...
|
|
|
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...
|
|
|
7455928 |
Diffusion media for use in a PEM fuel cell
A diffusion media is provided for implementation with a PEM fuel cell. The diffusion media is a permeable sheet that is rigid along a transverse axis, flexible along a lateral axis and has a...
|
|
|
7419546 |
Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof
A method for forming a noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web to a first ion beam having an...
|
|
|
7404878 |
Gas diffusion electrode assembly, bonding method for gas diffusion electrodes, and electrolyzer comprising gas diffusion electrodes
In a gas diffusion electrode assembly, and in an electrolyzer using the same, a bonding piece having on at least one surface a perfluorosulfonic acid layer, a perfluorosulfonyl fluoride layer or an...
|
|
|
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)...
|
|
|
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...
|
|
|
7261798 |
Assembly for maintaining compression for electrical contact of the active area of an electrochemical cell
An electrochemical cell structure has a first fluid chamber and a resilient member disposed in the first fluid chamber. An opening permits communication of fluid into the first fluid chamber. An...
|
|
|
7229536 |
Electrode for use in hydrogen generation
An electrode for use in hydrogen generation comprising a conductive base and a coating layer formed thereon of a composition obtainable by thermally decomposing, in the presence of an organic acid,...
|
|
|
7217472 |
Electrolyte support member for high differential pressure electrochemical cell
A support member is useful for supporting membranes such as solid polymer electrolyte ion exchange membranes such as those used in electrochemical cell applications. The support member has a first...
|
|
|
7214296 |
Anodic structure for mercury cathode electrolytic cells description of the invention
Object of the invention is an anodic structure for mercury cathode cells for the industrial electrolysis of sodium chloride. The new structure is constituted by a grid array comprising a...
|
|
|
7138210 |
Punched electrode and rechargeable lithium battery using the same
The present invention relates to a punched electrode and a rechargeable lithium battery using the same, and more particularly to a punched electrode and a rechargeable lithium battery using the...
|
|
|
7074306 |
Electrocatalytic composition for oxygen-depolarized cathode
An oxygen-depolarized cathode for aqueous hydrochloric acid electrolysis membrane cells is described, the cathode being in contact with the membrane and capable of preventing the release of...
|
|
|
7070878 |
Multi-layered oxygen electrode with peroxide decomposition catalyst
A layered oxygen electrode incorporating a peroxide decomposition catalyst. The design of the oxygen electrode promotes oxygen dissociation and absorption within the oxygen electrode. The oxygen...
|
|
|
7056424 |
Cathode for electrochemical regeneration of permanganate etching solutions
In order to regenerate permanganate solutions being utilized for the etching and roughening of plastics surfaces electrolytic methods are known. Though relatively small quantaties of by-products...
|
|
|
7014943 |
Thin-film gas diffusion electrode and the method for making the same
This specification discloses a thin-film gas diffusion electrode (GDE) and the method for making the same. The thin-film GDE is formed in a unitary way. A dual-nature porous thin film is used as...
|
|
|
6913850 |
Thin film modular electrochemical product and method of manufacture thereof
A method of manufacturing a thin film electrochemical apparatus is disclosed. A near net shape ceramic element is molded including a planar base region and a plurality of tubular regions. The...
|
|
|
6881511 |
Gas diffusion electrodes containing modified carbon products
Gas-diffusion electrodes containing modified carbon products are described wherein the modified carbon product is a carbon product having attached at least one organic group. The modified carbon...
|
|
|
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...
|
|
|
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...
|
|
|
6838408 |
Method for producing gas diffusion electrodes
A method for producing gas diffusion electrodes, in particular for use in electrolysis cells, as well as electrodes and their uses are described. A method of the present invention involves first, a...
|
|
|
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...
|
|
|
6803143 |
Gas diffusion structures and gas diffusion electrodes for polymer electrolyte fuel cells
A gas diffusion structure for polymer electrolyte fuel cells having a sheet-like carbon substrate made hydrophobic and having two main opposing surfaces and a contact layer on one of these...
|
|
|
6733639 |
Electrode
The invention relates to a gas diffusion electrode ( 1 ) comprising a hydrophobic gas diffusion layer ( 3 b ), a reaction layer ( 3 a ), and a hydrophilic layer ( 5 ) arranged in the mentioned...
|
|
|
6685806 |
Membrane electrode assembly and method of its production
Membrane-electrode assembly consisting of a cationic exchange membrane which contains fluorine (made of hydrolyzed copolymer of tetrafluoro-ethylene and vinyl ether which contains perfluorosulfur...
|
|
|
6656870 |
Tungsten-containing fuel cell catalyst and method of making same
A tungsten-containing fuel cell catalyst having high electrochemical activity and its method of making are described. The tungsten-containing catalyst may be formed in situ in a fuel cell after the...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
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...
|
|
|
6551472 |
Electroforming apparatus
An electroforming apparatus comprising a container unit for storing the plating solution, a cathode part placed in the container unit and for holding an object to-be-plated and an anode part placed...
|
|
|
RE38066 |
Electrolysis apparatus
An electrolysis apparatus has a number of membrane electrolysis cells. Each of the cells has a membrane formed on both sides with a contact layer. The apparatus, while it is compact in its design,...
|
|
|
6531240 |
Gas diffusion substrates
A novel gas diffusion substrate comprising a porous structure and a filler material, characterised in that the filler material comprises a base filler material which is electrically conducting and...
|
|
|
6521102 |
Perforated anode for uniform deposition of a metal layer
An apparatus and associated method for use in a metal deposition cell during operation. The apparatus includes a perforated anode extending generally horizontally across the entire width of the...
|
|
|
6511768 |
Electrode substrate for electrochemical cells based on low-cost manufacturing processes
This invention relates to electrode substrates for electrochemical cells, particularly low-temperature fuel cells, and processes for their production. Graphitized fiber web structures are used that...
|
|
|
6503655 |
Gas diffusion electrode and its production
A thin, flat, and porous carbon gas diffusion electrode having a side in contact with a supply of gas and a side in contact with an electrolyte, comprises a pyrolysis product of a composite of an...
|
|
|
6503377 |
Electrolysis apparatus for producing halogen gases
An electrolysis apparatus for producing halogen gases from aqueous alkali halide solution, having a number of plate-like electrolysis cells which are arranged beside one another in a stack and are...
|
|
|
6500401 |
Carbon foams and methods of making the same
A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the...
|
|
|
6471835 |
Clamping device for electrochemical cell
The invention relates to an electrode assemblage clamping device for an electrode comprising two parallel, essentially flat and rectangular electrode members, and at least one current supply...
|
|
|
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...
|
|
|
6444347 |
Gas diffusion electrode and application to catalyzed electrochemical processes
A gas diffusion electrode comprises a cloth ( 12 ) of activated carbon fibers having a first face coated in a hydrophobic material ( 14 ) and a second face on which particles of catalyst ( 16 ) are...
|
|
|
6425993 |
Membrane electrode assembly and method of its manufacture
A method is provided for making a membrane electrode that employs a composite membrane, which include both a porous membrane and an ion conducting electrolyte, by partially filling a porous...
|
|
|
6416637 |
Reactor for electrolytic reduction of Cr&plus 6
The invention provides a dynamic electrolytic reactor for the reduction of Cr +6 to Cr +3 in aqueous solution. The reactor comprises at least one pair of liquid permeable anode and cathode...
|
|
|
6395153 |
Diaphragm cell
The present invention pertains to electrolytic diaphragm cells, particularly for the electrolysis of brine to produce chlorine and caustic. The innovation resides generally in the discovery that...
|
|
|
6383360 |
Electrode and method for use in an electrolysis cell
An electrode for use in an electrolysis cell for electrolyzing a reactant product into reactants. The electrode comprises an elongated box made of graphite having a first side and a second side...
|
|
|
6383350 |
Thin film modular electrochemical apparatus and method of manufacture therefor
A method of manufacturing a thin film electrochemical apparatus is disclosed. A near net shape ceramic element is molded including a planar base region and a plurality of tubular regions. The...
|
|
|
6379834 |
Composition of a selective oxidation catalyst for use in fuel cells
This invention pertains to improved formulations of platinum-molybdenum alloys for use as anode catalysts. These electrocatalysts find utility as a constituent of gas diffusion electrodes for use...
|