Matches 1 - 50 out of 322 1 2 3 4 5 6 7 >


Match Document Document Title
8961747 Water electrolysis system and method of stopping operation of water electrolysis system  
In a method of stopping an operation of a water electrolysis system, an on-off valve disposed in a pressure release line communicating with a cathode side of an electrolytic membrane is opened...
8945356 High temperature electrolyzer (HTE) having a stack of electrolysis cells and improved operating reliability and high efficiency  
A high-temperature module for electrolysis of water with improved operational safety, in which steam containing at most 1% hydrogen can be made to flow simultaneously in each cathode and in each...
8894829 Water electrolysis apparatus  
A water electrolysis apparatus is formed by stacking a plurality of unit cells. Each unit cell includes a membrane electrode assembly, and an anode separator and a cathode separator which sandwich...
8864963 Carbon dioxide capture using resin-wafer electrodeionization  
The present invention provides a resin-wafer electrodeionization (RW-EDI) apparatus including cathode and anode electrodes separated by a plurality of porous solid ion exchange resin wafers, which...
8852409 High purity ceramic oxygen generator  
A high purity ceramic oxygen generator incorporating a module utilizing a plurality of tubular ceramic membrane elements and configured to operate in: (i) a pressurizing mode to separate oxygen...
8715470 Separator plates, ion pumps, and hydrogen fuel infrastructure systems and methods for generating hydrogen  
Anode and cathode separator plates are suitable for use in ion pumps for converting an input stream such as reformate into a pressurized and purified hydrogen-rich gas stream. The plates may...
8709220 Water electrolysis apparatus  
Each unit cell of a water electrolysis apparatus includes a pair of an anode separator and a cathode separator and a membrane electrode assembly interposed between the pair of separators. The...
8702914 Oxygen generator  
An oxygen generator having a honeycomb body composed of an oxygen ion conducting material is disclosed. The honeycomb body includes one or more air channels, each of which is composed of a...
8679305 High-pressure hydrogen producing apparatus  
A high-pressure hydrogen producing apparatus includes a cell device and a piston member. The piston member is to apply a pressing force to the cell device from an end of the piston member in a...
8669499 Method and apparatus for cooking using a combustible gas produced with an electrolyzer  
A domestic apparatus, such as a cooking appliance, uses hydrogen and, optionally electrical heating, to cook food. The cooking appliance may have a cooking surface (e.g. a grilling surface) so as...
8658008 High-pressure hydrogen producing apparatus  
A high-pressure hydrogen producing apparatus includes a first cell device and a second cell device. The first cell device includes an electrolyte membrane, an anode electrode catalyst layer and an...
8641887 Gas decomposition apparatus and method for decomposing gas  
[Object] To provide a gas decomposition apparatus and a gas decomposition method in which no safety problems occur in spite of the application of a relatively high voltage between an anode and a...
8551304 Alkaline electrolyzer  
An Alkaline Electrolyzer Cell Configuration (AECC) has a hydrogen half cell; an oxygen half cell; a GSM (Gas Separation Membrane); two inner hydrogen half cell spacer screens; an outer hydrogen...
8506787 Electrochemical cell  
An electrochemical cell having two or more diffusion bonded layers, which demonstrates a high degree of ruggedness, reliability, efficiency and attitude insensitiveness, is provided. The novel...
8500971 High temperature electrolyser with temperature homogenisation device  
An electrolyser including a stack of a plurality of elementary electrolysis cells, each cell including a cathode, an anode, and an electrolyte provided between the cathode and the anode. An...
8465629 Membrane for electrochemical apparatus  
A membrane for use with an electrochemical apparatus is provided. The electrochemical apparatus may include a fuel cell or electrolyzer, for example, an electrolyzer adapted to produce hydrogen....
8425740 Cathode for hydrogen generation and method for producing the same  
The present invention provides an excellent durable cathode for hydrogen generation, which has a low hydrogen overvoltage and reduced dropping-off of a catalyst layer against the reverse current...
8419910 Electrolyzer cell stack system  
Some embodiments of the present invention provide a balance-of-plant system and apparatus suited for regulating the operation of an electrolyzer cell stack. Specifically, in some embodiments, a...
8317986 High temperature electrolyser with hydrogen recovery device  
An electrolyser for generating hydrogen including a plurality of elementary electrolysis cells including a cathode, an anode, and an electrolyte provided between the cathode and the anode. An...
8308918 Hydrogen generator  
There is provided a hydrogen generator. The hydrogen generator including: an electrolytic bath having an inner space of a predetermined size; a cover hermetically covering an open top of the...
8282811 Method and system for producing high-pressure hydrogen  
Disclosed are methods and systems for generating hydrogen gas at pressures high enough to fill a hydrogen storage cylinder for stationary and transportation applications. The hydrogen output of an...
8227127 Electrochemical apparatus to generate hydrogen and sequester carbon dioxide  
A carbon dioxide negative method of manufacturing renewable hydrogen and trapping carbon dioxide from the air or gas streams is described. Direct current renewable electricity is provided to a...
8057646 Electrolyser and components therefor  
The present invention is directed to cell plates for an electrolyser module and to an electrolyser module incorporating the plates. The plates comprise an electrolysis chamber opening, at least...
8038854 Electrolysis installation  
The invention relates to an electrolysis installation comprising at least two rows of electrodes that are immersed at least in part in a liquid electrolyte giving off one or more gaseous species...
8034219 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...
8021525 PEM water electrolysis for oxygen generation method and apparatus  
A PEM based water electrolysis stack consists of a number of cells connected in series by using interconnects. Water and electrical power (power supply) are the external inputs to the stack. Water...
7955481 Internal flow control in electrolytic cells  
Method and apparatus for controlling two phase flow in electrolytic cells. The present invention is directed to any electrolytic cell, including but not limited to upflow electrolytic cells that...
7931795 Process for the on-site production of chlorine and high strength sodium hypochlorite  
The present invention relates to a novel economical on-site electrochemical based membrane cell based process with the capability of producing high strength sodium hypochlorite and/or elemental...
7909975 System for recovering gas produced during electrodialysis  
Disclosed is a system for recovering gas produced during electrodialysis of a saline solution, from gas entrained in an electrolyte solution circulating through anode and cathode compartments of...
7897023 Device for producing anodic oxidaton products of an alkali or alkali-earth metal chloride solution  
The invention relates to chemical engineering, in particular to devices for electrolyzing aqueous solutions of alkali or alkali-earth metal chlorides and for obtaining gaseous electrolytic...
7828941 Distributing element for electrolyte percolation electrochemical cell  
A distributing element for an electrolyte percolating-type electrochemical cell comprises an external feeding manifold and an assembly formed by a gas diffusion electrode, a percolator and...
7824527 Frame for electrolyser module and electrolyser module and electrolyser incorporating same  
The present invention is directed to a frame for an electrolyser module as well as to an electrolyser module and an electrolyser incorporating such frames. The frames include a variety body having...
7785450 “On-site” carbon dioxide generator  
Systems are described for the “on-site” production of substantial amounts of carbon dioxide and hydrogen. The systems include a stack of multiple electrochemical cells, which decompose organic...
7785451 Portable oxygen maintenance and regulation concentrator apparatus  
The fast and convenient usage of clean and pure oxygen supply devices will meet the requirements of medical application and special environment safety issues. The electrochemical oxygen...
7754064 Methods and apparatus for the on-site production of hydrogen peroxide  
Methods, apparatus, and applications for the on-site production of hydrogen peroxide are described. An embodiment of the apparatus comprises at least one anolyte chamber coupled to at least one...
7744733 Gas venting system  
A system to vent a moist gas stream is disclosed. The system includes an enclosure and an electrochemical cell disposed within the enclosure, the electrochemical cell productive of the moist gas...
7718302 Electrochemical deoxygenation of fuel by electrolysis  
A fuel stabilization device reduces the amount of dissolved oxygen within a fuel stream utilizing the combination of an electrochemical device to produce hydrogen gas and water and a catalyst that...
7686937 Separator plates, ion pumps, and hydrogen fuel infrastructure systems and methods for generating hydrogen  
Anode and cathode separator plates are suitable for use in ion pumps for converting an input stream such as reformate into a pressurized and purified hydrogen-rich gas stream. The plates may...
7619183 Method and apparatus for cooking using a combustible gas produced with an electrolyzer  
A cooking appliance comprising an electrolyzer which produces a combustible fuel, a burner downstream from the electrolyzer, and, an electrically heatable cooking surface on which food is...
7604720 Process for the on-site production of chlorine and high strength sodium hypochlorite  
The present invention relates to a novel economical on-site electrochemical based membrane cell based process with the capability of producing high strength sodium hypochlorite and/or elemental...
7604890 Fuel cell discharge-gas processing device  
A fuel cell discharge-gas processing device includes: an anode off-gas introduction path which introduces an anode off-gas discharged from an anode of a fuel cell; a dilution container which is...
7585583 Metal stack for fuel cells or electrolysers  
A stack, to be used in a fuel cell or electrolyzer, includes a collector layer, at least one diffusion layer and at least one anchoring layer. The collector layer being a metal foil or metal plate...
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...
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...
7354506 Diaphragm cell for chlor-alkali production with increased electrode surface and method of manufacture thereof  
The invention relates to a diaphragm electrolytic cell, for the production of chlorine and caustic soda having superimposed modules, and a method for increasing the electrodic surface of a...
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...
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...
7323090 Bipolar zero-gap type electrolytic cell  
A bipolar zero-gap electrolytic cell comprising an anode comprising an anode substrate constituted of a titanium expanded metal or titanium metal net of 25 to 70% opening ratio, which anode after...
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...

Matches 1 - 50 out of 322 1 2 3 4 5 6 7 >