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WO/2003/064727A1 |
An apparatus and method for producing high-pressure hydrogen only by water electrolysis stably, efficiently, and safely even with power generated by natural energy such as sunshine without using a gas compressor. In the apparatus, a wate...
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WO/2003/062494A1 |
The present invention provides an ozone generating system that combines single-use elements or segments with an extended use fixture that is used to activate the single-use elements. One embodiment of the invention consists of a strip of...
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WO/2003/063277A2 |
In combination, a fluid dispenser and an electrochemical cell to produce electric energy by chemical conversion of the fluid to be dispensed. The electrical energy produced is preferably used to operate a device associated with the dispe...
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WO/2003/056066A2 |
To provide an apparatus for fluorine gas generation and supply that is disposed in the gas supply system of a semiconductor processing system and that in the event of abnormalities in the apparatus enables back up by a safe and inexpensi...
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WO/2003/052167A1 |
An apparatus (G) for generating a F2 gas having a high purity through electrolyzing an electrolytic bath (24) comprising KF · 2HF, characterized in that it has a preparation system (A) for preparing KF · 2HF from KF or KF · 2HF, a HF ...
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WO/2003/052169A1 |
The invention relates to a method and an apparatus for carrying out electrochemical reactions, in particular electrochemical reactions with dissolved gaseous components, such as the electrochemical production of hydrogen peroxide. Accord...
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WO/2003/048424A1 |
A hydrogen−oxygen gas generator comprises an electrolytic bath (10A), a pair of electrodes composed of an anode member (2x) and cathode member (2y) both disposed in the bath, a power supply (34) for applying voltage between the anode a...
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WO/2003/048420A2 |
A new internal design for ion-exchange membrane electrolyser suitable for electrochemical reactions accompanied by gas evolution and anolyte concentration decrease and/or catholyte concentration increase is described. The electrolyser is...
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WO/2003/042430A2 |
A membrane electrolysis cell comprising an anodic compartment and a cathodic compartment is described, wherein at least one of the two compartments contains an electrode fed with gas and a porous planar element is interposed between the ...
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WO/2003/042431A1 |
A method and means for producing a combustible mixture of hydrogen and oxygen by electrolysis of water using a pulsed application of water onto electrodes while applying an electrical potential between electrodes and where the electrodes...
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WO/2003/041209A2 |
The invention relates to a device and a method for the temporally and spatially dependent measuring of at least one operating parameter of an electrochemical cell, in which several electrodes are provided. An electrolyte solution is loca...
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WO/2003/036741A2 |
An electrochemical half cell comprises a gas diffusion electrode (22) that serves as an anode or cathode and separates an electrode space from a gas space (2). In addition, a number of gas pockets (2) are provided that are formed by the ...
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WO/2003/035936A2 |
The invention relates to an electrochemical half cell at least comprised of: an electrode space for accommodating an electrolyte; a gas space that forms a number of gas pockets (20, 22) and provided for accommodating gas; a gas connectin...
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WO/2003/035938A2 |
The invention relates to a method for the electrolysis of aqueous solutions of hydrogen chloride, for producing chlorine by means of a gas-diffusion electrode in compliance with set operating parameters.
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WO/2003/035937A2 |
An electrochemical half cell comprises a gas diffusion electrode (10), which separates a gas chamber (11) from an electrode chamber for housing an electrolyte. The gas chamber (11) comprises a gas/liquid withdrawing device in the form of...
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WO/2003/035939A2 |
An electrochemical half cell, particularly suitable for the production of chlorine from an aqueous solution of an alkaline chloride, comprises an electrode chamber (10) for electrolyte. Several gas pockets (20, 22) for gas are also provi...
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WO/2003/034530A2 |
A fuel cell or electrolyer module, comprises: a) an electrically insulating housing comprising manifolds for operating fluids; b) a plurity of electrically conductive plates mounted in the housing with openings communicating to appropria...
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WO/2003/033768A2 |
The invention relates to a pressure electrolyser comprising a pressure reservoir (2) and an electrolysis cell block (3) which is arranged in the pressure reservoir and contains a number of electrolysis cells (4) forming a stack. Said ele...
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WO/2003/031691A2 |
The invention relates to a method for recycling educt-containing process gas (residual gas) in electrochemical processes with at least one gas diffusion electrode while using a gas jet pump for directly reintroducing the residual gas in ...
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WO2002027814A9 |
An exemplary embodiment of the regenerative electrochemical cell system comprises: a fuel cell module comprising a fuel cell oxygen inlet in fluid communication a water storage device, and a fuel cell hydrogen inlet in fluid communicatio...
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WO/2003/023089A1 |
In a method for producing sodium hypochlorite, brine solution is piped from the brine tank to a first inlet in a first electrolyzer cell of an electrolyzer assembly while simultaneously piping chilled water from a chiller having a temper...
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WO/2003/021006A1 |
Disclosed are methods and systems (10) for generating hydrogen gas at pressures high enough to fill a hydrogen storage cylinder for stationary and transportation applications. The hydrogen output of an electrochemical hydrogen gas genera...
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WO/2003/003497A1 |
A fuel cell or electrolyser assembly comprising a fuel cell or electrolyser stack housed in a chamber containing reactant gas, adapted such that in use the reactant gas applies a compensating force (A) to an end face of the stack in oppo...
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WO/2003/000960A1 |
The invention relates to a method for the improvement of current efficiency in electrolysis. According to the method, a theorical cell volatge is first calculated, which is compared with the measured volatge. The cumulative difference be...
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WO/2002/097166A1 |
A low energy nuclear reaction power generator provided with an electrolytic cell containing an electrically-conductive heavy or light water electrolyte (11) in which is immersed an electrode pair whose anode (13) is formed of platinum an...
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WO/2002/090621A1 |
A hydrogen-oxygen gas generator, comprising an electrolyzer (10A), an electrode group (2x, 2y) formed of anodes and cathodes alternately disposed in the electrolyzer, a power source (34) for applying a voltage across the anodes and catho...
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WO/2002/090053A1 |
A method of machining an article comprising the steps of:- a) forming a pattern of apertures in a mask, b) placing the mask on or adjacent the article and, c) directing abrasive materials against the mask to remove material from the arti...
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WO/2002/090052A1 |
A method of machining an article (506) comprising the steps of:-a) forming a pattern of apertures in a mask (504),b) placing the mask on or adjacent (506) the article and,c) directing abrasive materials (503) against the mask to remove m...
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WO/2002/091513A1 |
A fuel cell or electrolyser stack comprises countercurrent radially directed fuel and oxidant flow fields on either side of a membrane electrode assembly. A first reactant may flow radially outwardly from a manifold to a first reactant d...
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WO/2002/088428A2 |
The invention concerns an electrolyser with an anionic membrane comprising at least an anode, at least a cathode separated by at least an anionic membrane defining a sealed anode section and a sealed cathode section, the electrolyser inc...
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WO/2002/078112A2 |
It is described a method of electrical by-passing of an elementary electrochemical cell (1), for instance a fuel cell, inserted in a filter-press structure delimited by electrically conducting bipolar sheets (2) and provided with perimet...
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WO/2002/068721A2 |
The invention relates to an electrolysis device, comprising at least one horizontal electrolytic cell with a housing (6) and an anode (8) that has a membrane or a diaphragm (18), and a cathode (9) that has a gas diffusion electrode (17)....
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WO/2002/068720A1 |
Electrolysis cell containing a liquid electrolyte and at least a gas diffusion electrode (9) with a surface in contact with the liquid electrolyte (10) and the opposite surface connected to at least two gas chambers (13), wherein said ch...
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WO/2002/066690A2 |
A method for purifying a Redox mediator, e.g. solutions of Ce III/Ce IV or Cr III/Cr VI, used in a chemical process of oxidation of organic compounds. The desired purification is obtained by recovering the mediator in the form of a solut...
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WO/2002/066382A1 |
A method for killing microorganisms in water, by passing an aqueous feed solution comprising of water containing some form of halide salt into a non-membrane electrolysis cell comprising an anode and a cathode, adjacent to the anode, whi...
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WO/2002/065566A1 |
A flow field plate for a fuel cell or electrolyser comprises on at least one face an assembly of channels comprising one or more gas delivery channels, and a plurality of gas diffusion channels of width less than 0.2mm connecting thereto.
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WO/2002/065565A2 |
A flow field plate for a fuel cell comprising at least one channel extending from a source of fluid to a drain for said fluid, in which the cross-sectional area of said channel at drain or source is less than 95 % of the cross-sectional ...
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WO/2002/061180A1 |
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 separator frame (14) formed of a non-conduc...
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WO/2002/061182A2 |
An electrode having an electrocatalytic surface or coating composed of a mixture with iridium oxide is used in a reversible polarity electrolytic cell to selectively produce an alkali metal hypohalite, preferably sodium hypochlorite, fro...
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WO/2002/048431A2 |
Electrochemical apparatus and methods that support periodic, non-steady state, or discontinuous operation without suffering degradation of materials or loss of efficiency. The invention provides a means for positioning one or more electr...
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WO/2002/048054A1 |
The present invention is a device and method for ozonating water and applying the ozonated water to surfaces for cleaning purposes. The instant invention allows a user to transform water into a liquid with more robust cleaning properties...
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WO/2002/044442A2 |
The invention relates to a method for operating an electrolyser, said method comprising the accurate measurement of fill levels. The method is characterised by the following steps: fill level sensors are cleaned using operating fluid; ad...
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WO/2002/044081A1 |
This invention concerns the commercial production of electrolytic hydrogen from coal and other hydrocarbon compounds. The process provides high capacity and low impedance compared to conventional diaphragm electrolytic cells. The hydroge...
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WO2001047053A9 |
An electrochemical cell system is disclosed, wherein at least one electrochemical cell is provided in a vessel (31). The electrochemical cells each include a membrane electrode assembly (35) having a first electrode, a second electrode, ...
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WO/2002/038831A2 |
The invention describes the design of a discharge duct for bi-phase gas-liquid mixtures in electrochemical reactors, which provides high stability of the outflow in a large variety of process parameters. The system is characterised by a ...
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WO/2002/036857A1 |
The invention is relative to an electrolytic cell comprising electrodes spaced apart from the back-wall (1) by means of ribs (3), wherein a portion of the contact surface between the electrodes (2) and the ribs (3) is free from constrain...
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WO/2002/033769A2 |
This invention relates to a method of supplying fuel to a vehicle engine (32). The method includes the steps of electrolytically generating hydrogen in an electrolytic cell (12) containing an electrolyte and two spaced apart electrodes (...
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WO2002008494B1 |
A fan flow sensor (70) for a hydrogen generating proton exchange member electrolysis cell includes a switching device (394) and a sail (380) disposed in communication with the switching device. The sail is configured to actuate the switc...
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WO/2002/016672A2 |
The present invention provides a method of detecting a short incident in an electrochemical cell (e.g., a Simons electrochemical fluorination cell or bipolar flow cell) using means for detecting vibration to detect vibration of an extern...
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WO/2002/014225A1 |
The prey electrolyzing silver or gold stick in a cup with electrical power supplied, consisting of the cup, the silver or gold stick, the circuit plate, power connection part, and the spring for power connection part, wherein said silver...
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