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Class 204/263 - With feeding and/or withdrawal means


Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Electrolytic cells provided with means to feed or withdraw
No. of patents: 536
Last issue date: 10/11/2011


1                      
NumberTitleIssue Date
8034219System 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 heat exchanger located between the cathode inlet and the cathode outl...
10/11/2011
7993500Gas diffusion anode and COcathode electrolyte system
A low-voltage, low-energy electrochemical system and method of removing protons and/or producing a base solution using a gas diffusion anode and a cathode electrolyte comprising dissolved carbon dioxide, while applying 2V or less across the anode and cathode. ...
08/09/2011
7972484Gas diffusion electrode for electrolyte-percolating cells
The invention relates to a gas-diffusion electrode for chlor-alkali electrolysis cells integrated in a percolator of plastic porous material suitable for being vertically crossed by a downward flow of electrolyte. The electrode comprises a catalytic composition base...
07/05/2011
7955481Internal 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 comprise parallel electrodes in a vertical orientation. Fluid control s...
06/07/2011
7897023Device 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 products such as chlorine and oxygen. It can be used for water purifying and ...
03/01/2011
7833391Solar hydrogen charger
An apparatus for splitting water to produce hydrogen having at least one photoelectrochemical cell. The photoelectrochemical cell includes at least one water permeable photoelectrode having a light sensitive, nano-crystalline catalytic material layer, a polymer elec...
11/16/2010
7828942Electrochemical treatment of an aqueous salt solution
A device (10) for producing a biocidal solution has a sealed and replaceable reservoir (16) with a low volume capacity which contains pre-prepared aqueous salt solution (18) with a pre-determined concentration, an electrolytic cell (20) f...
11/09/2010
7799186Plating apparatus
The present invention provides a technology for enabling a diaphragm to be arranged in a more facilitated manner in a plating tank of a plating apparatus having a diaphragm for separating an object to be plated from an anode. The plating apparatus having a plating t...
09/21/2010
7704353Electrode assembly for the electrochemical treatment of liquids with a low conductivity
The invention relates to an electrode assembly for the electrochemical treatment of liquids with a low conductivity. Said assembly comprises electrodes (1, 2), between which a polymer solid electrolyte (3) is situated. The electrodes are pressed agains...
04/27/2010
7513980Electrolytic cell for electrolyzed water generator
An electrolytic cell 1 comprises electrolysis chambers 5 and 6 arranged opposite to each other through a diaphragm 11, raw water feed means 8 and 7, electrodes 12a and 12b arranged in the electrol...
04/07/2009
7476307Systems and methods for generating chlorine dioxide
Processes for generating chlorine dioxide generally include acidifying an alkali metal chlorite solution; and contacting the acidified alkali metal chlorite solution with a solid phase chlorine-containing material to produce chlorine dioxide. An exemplary system for...
01/13/2009
7431818Electrochemical 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 electrochemical conversion system is located within a fuel flow. On the f...
10/07/2008
7427345Method and device for regenerating ion exchanger, and electrolytic processing apparatus
A method and device for regenerating an ion exchanger can regenerate an ion exchanger easily and quickly, and can minimize a load upon cleaning of the regenerated ion exchanger and disposal of waste liquid. A method for regenerating a contaminated ion exchanger incl...
09/23/2008
7422668Electrochemical cells
An electrochemical cell having an inner electrode mounted coaxially within an outer, electrode, with a tube mounted coaxially between them to define annular passageways for liquid flow in separate streams of the cell between respective pairs of inlet/outlet ports. A...
09/09/2008
7399392Electrochemical reformer and fuel cell system
An electrochemical reformer 1 using reactant feed structures having both hydrophilic and hydrophobic regions to provide mechanisms for the wicking of liquid reactants into reformer 1 and for the separation and removal of gaseous products from reformer 1. The electri...
07/15/2008
7396442Electrochemical oxygen generator module assembly
An ionically conductive ceramic element includes a central unit (703). The central unit (703) is composed of a plurality of integrated manifold and tube modules (IMAT) (22) joined end to end along a central axis (A). Each IMAT module (22)...
07/08/2008
7396440Load leveling and electrolysis system
The invention is a device for electrical load-leveling and/or electrolysis. A housing contains pairs of electrodes made from or containing a porous material. The electrodes are filled respectively with an anolyte and a catholyte, which is an ionic couple such as Van...
07/08/2008
7387719Mediated 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 waste. Electrolytes contain oxidized forms of reversible redox couples ...
06/17/2008
7368043Configurations and methods of electrochemical lead recovery from contaminated soil
A soil remediation system includes an electrochemical cell that is configured to provide increased mass transfer and a decreased diffusion layer between the electrodes to thereby allow formation of a homogenous lead deposit that is substantially free of dendrite for...
05/06/2008
RE40218Electro-chemical deposition system and method of electroplating on substrates
The invention provides an apparatus and a method for achieving reliable, consistent metal electroplating or electrochemical deposition onto semiconductor substrates. More particularly, the invention provides uniform and void-free deposition of metal onto metal seede...
04/08/2008
7351314Chambers, systems, and methods for electrochemically processing microfeature workpieces
Chambers, systems, and methods for electrochemically processing microfeature workpieces are disclosed herein. In one embodiment, an electrochemical deposition chamber includes a processing unit having a first flow system configured to convey a flow of a first proces...
04/01/2008
7351315Chambers, systems, and methods for electrochemically processing microfeature workpieces
Chambers, systems, and methods for electrochemically processing microfeature workpieces are disclosed herein. In one embodiment, an electrochemical deposition chamber includes a processing unit having a first flow system configured to convey a flow of a first proces...
04/01/2008
7351317Electrolytic 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 electrical contacts, each of the cells with a housing consisting of two...
04/01/2008
7329331Electrolysis 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 anode frame, and a back wall, the anode frame supporting the anode, and t...
02/12/2008
7329332Diaphragm 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) fibers, e.g., polyamide (nylon) fibers, on the foraminous surface of said ...
02/12/2008
RE40035Modular ceramic oxygen generator
A ceramic oxygen generator is described which is capable of modular construction to permit the oxygen generation capacity to be expanded. An ionically conducted ceramic electrolyte is formed into a series of rows and columns of tubes on a tube support member and lik...
01/29/2008
7323090Bipolar 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 coating the substrate with a catalyst has a surface of 5 to 50 μm une...
01/29/2008
7311808Device 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 with surface of the work piece, to separate the process cell into tw...
12/25/2007
7291261Pool chemical dispenser
This is a device which will make the monitoring and regulation of chemicals in a pool easy and convenient. It will also make it as automatic as possible for the user to accurately monitor the chemical levels and add the appropriate chemicals. The user may preset the...
11/06/2007
7285343Bonded membrane-electrode assembly having water-electrolyzing and power-generating functions, and fuel cell system provided with water electrolyzer using the same
A bonded membrane-electrode assembly is provided which enables the electrolysis of water, which has water-electrolyzing and power-generating functions enabling the generation of hydrogen, and which is capable of being utilized for a fuel cell; and a fuel cell system...
10/23/2007
7276306System for the co-production of electricity and hydrogen
Described herein is a system for the co-generation of hydrogen gas and electricity, wherein the proportion of hydrogen to electricity can be adjusted from 0% to 100%. The system integrates fuel cell technology for power generation with fuel-assisted steam-electrolys...
10/02/2007
7267749Workpiece processor having processing chamber with improved processing fluid flow
A processing container (610) for providing a flow of a processing fluid during immersion processing of at least one surface of a microelectronic workpiece is set forth. The processing container comprises a principal fluid flow chamber (505) providing a...
09/11/2007
7264698Apparatus 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; a distributor coupled to the outer container, the distributor having ...
09/04/2007
7261967Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, resiliently compressible, porous pad
Electrolysis cell comprises, in one embodiment, a proton exchange membrane (PEM), an anode positioned along one face of the PEM, and a cathode positioned along the other face of the PEM. A multi-layer metal screen for defining a first fluid cavity is placed in conta...
08/28/2007
7247222Electrochemical processing cell
Embodiments of the invention may generally provide a small volume electrochemical plating cell. The plating cell generally includes a fluid basin configured to contain a plating solution therein, the fluid basin having a substantially horizontal weir. The cell furth...
07/24/2007
RE39720Catalytic reduction of emissions from internal combustion engines
An apparatus for treating an exhaust gas stream from cold startup through continuous operating conditions of an internal combustion engine includes an oxidizing catalyst bed disposed in an exhaust pipe and a reducing catalyst bed disposed in the exhaust pipe downstr...
07/10/2007
7238266Method and apparatus for fluorine generation and recirculation
The invention relates to apparatus and methods for generating and recycling fluorine. The applicants recognized that a fluorine separator, used either alone or in combination with a plasma generator can produce sufficient quantities of fluorine at its point of use f...
07/03/2007
7238272Production 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 bactericidal effects of the water produced. ...
07/03/2007
7232507High volumetric efficiency electrochemical cell design for treatment of low concentrations of contaminants in low conductivity water
An electrochemical cell design is disclosed for the particular application of the electrochemical treatment of contaminants in water. The cell is designed to allow the treatment of low concentrations of contaminants in low conductivity water efficiently, and to be s...
06/19/2007
7229534Proton exchange membrane (PEM) electrochemical cell having an integral, electrically-conductive, resiliently compressible, porous pad
Electrolysis cell comprises, in one embodiment, a proton exchange membrane (PEM), an anode positioned along one face of the PEM, and a cathode positioned along the other face of the PEM. A multi-layer metal screen for defining a first fluid cavity is placed in conta...
06/12/2007
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