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WO/1999/045174A1 |
The invention relates to an electrode assemblage clamping device for an electrode comprising two parallel, essentially flat and rectangular electrode members (44), and at least one current supply rod/conductor bar (6), arranged between a...
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WO/1999/044245A1 |
The present invention provides an ion conducting matrix comprising: (i) 5 to 60 % by volume of an inorganic powder having a good aqueous electrolyte absorption capacity; (ii) 5 to 50 % by volume of a polymeric binder that is chemically c...
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WO/1999/043870A1 |
A field emission cathode (20) is provided comprising an emissive member (22) formed of a porous foam carbon material. The emissive member has an emissive surface (24) defining a multiplicity of emissive edges.
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WO/1999/027596A1 |
The invention relates to thin, flat, porous gas diffusion electrodes made of carbon and provided with a smooth surface. The porosity of said electrodes can be adjusted as desired. The inventive electrodes are obtained by pyrolysis of a c...
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WO/1999/022045A1 |
A carbonaceous block for a positive electrode, which is inexpensive yet exhibiting a long life and excellent electrode characteristics, and an electrode using the carbonaceous block. The isotropic carbonaceous block is used as a positive...
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WO/1999/017864A1 |
An apparatus having deionization cells (80), each cell having two different electrodes (20, 22), is disclosed. The first electrode (22) is formed from a high surface are a absorptive material ('HSAAM') made from resorcinol, formaldehyde,...
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WO/1999/013132A1 |
A process for the electrochemical reduction of an organic compound by bringing the organic compound into contact with a cathode, wherein the cathode comprises a support made of an electrically conductive material and an electrically cond...
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WO/1999/010735A1 |
The present invention is generally directed to improved methods, structures and systems for interfacing microfluidic devices with ancillary systems that are used in conjunction with such devices. These systems typically include control a...
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WO/1999/004063A1 |
The invention provides a working electrode for use in an individed electrochemical cell that is composed of at least one three-dimensional accordion pleated sheet member (C) having an open surface area of from zero to 50 %. Typically sui...
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WO/1999/002762A1 |
The invention describes a method for applying an electrocatalytic or a protective coating to a metal substrate or repairing a damaged area of the same, consisting in a thermal treatment of a precursor of said catalytic coating by means o...
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WO/1998/042893A1 |
The invention relates to an ultra-high purity gas generator system (10), such as a hydrogen gas generator system and method, which employs a direct current source to supply proportional electric current to a cathode in an electrolytic ce...
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WO/1998/040537A1 |
A graded metal hardware component for an electrochemical cell is shown for mechanically supporting electrochemical cell structures and defining fluid cavities and fluid passages in a cell employing a solid polymer electrolyte membrane. T...
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WO/1998/034977A1 |
The invention concerns a porous composite product in particular with high specific surface area, characterised in that it is formed of a polymeric material and at least 20 % of one or several fillers, and in that the product is obtainabl...
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WO/1998/033955A1 |
An electrode (1) having an active surface for contacting an electrolyte. The electrode (1) comprises first and second metallic materials (2, 3) arranged to provide a number of first metallic material to second metallic material interface...
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WO/1998/033552A1 |
An electro-release system, for example for use in releasing a pharmaceutical compound, has an electrode and a layer structure on said electrode releasably holding an electro-releasable compound. The layer structure comprises at least one...
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WO/1998/029912A2 |
The present invention relates to electrochemical cells and electrochemical systems using a one piece or unitary electrode plate (110) hereinafter also referred to as a double electrode plate (DEP) which serves to electrically connect two...
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WO/1998/026112A1 |
An apertured and porous metal article (1) can find use, for example, in diaphragm or membrane electrolysis cells. The article (1) may comprise a thin and flexible metal foam of small pores (2) which, typically, has been perforated with l...
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WO/1998/024136A1 |
An electrochemical cell electrode plate structure, a high-pressure electrochemical cell device, and a method for preparing such devices, are provided. The inventive electrode plate structure comprises a laminar assembly of slotted plate-...
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WO/1998/018171A1 |
Inert cathodes, provided with a catalytically effective thin surface coating, enabling oxygen reduction are suitable for fuel cells. In the presence of methanol as a fuel, the semiconducting transition metal chalcogenides are selective b...
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WO/1998/017376A1 |
An electrode membrane stack (16) for use in an electrodialyzer has two pairs of electrodes (5, 7 and 6, 8), of which only one pair is connected to a power source (17) at any time. Polarity reversal of the membrane stack (16) is achieved ...
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WO/1998/015983A1 |
There are disclosed two types of semiconductor devices: a semiconductor device composed mainly of one or more spherical semiconductor elements each of which is constituted by forming a photovoltaic power generating section and a pair of ...
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WO/1998/015961A1 |
This invention concerns an electrode for an electrochemical cell with an active layer of a ternary mixed oxide of the formula (I) A(B�1-x?C�x?)O�3? (O$m(F)x < 1) with a perovskite crystal structure, where A signifies a metal cation...
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WO/1998/014639A1 |
Nitric oxide-specific electrodes are useful for $i(in situ) detection of nitric oxide in biomedical applications and have at least a surface region thereof which is capable of forming complexes with nitric oxide, for example, nitrosyl co...
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WO/1998/010123A1 |
The present invention relates to an electrode for use in electro-chemical applications, wherein said electrode comprises an envelope made of copper or another highly conductive metal. A nickel layer and a layer of an intermetallic nickel...
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WO/1998/007899A1 |
Durable electrolytic cell electrodes having low hydrogen overpotential and performance stability. A highly porous electrocatalytic primary phase and an outer, secondary phase reinforcement coating are provided on an electrically conducti...
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WO/1998/005038A1 |
Catalytic particles (36), cell (12) and system (10) for producing heat in a water-based liquid electrolyte (59). The particles (36) are formed of clay doped with an active agent capable of becoming a proton carrier in the presence of hyd...
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WO/1997/047560A1 |
The invention relates to a liquid-permeable, three-dimensional electrode and an electrochemical cell suitable for performing electrochemical reactions. The arrangement can be used for oxygen removal from water or aqueous solutions. The c...
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WO/1997/044505A1 |
The present invention pertains to the field of electrochemistry and electrical engineering and relates to methods for making grounding anodes. This invention may be used in systems for the cathodic protection of gas or crude oil pipeline...
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WO/1997/044280A1 |
A float (2) equipped with a pair of positive and negative electrodes (4, 4) is floated on an electrolyte (8) so that the electrodes (4, 4) may move up and down in accordance with the change of the level of the electrolyte (8). This preve...
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WO/1997/043465A1 |
An anode with enhanced durability for use in electrochemical processes is disclosed. The anode consists of a substrate made of at least one metal compound and provided with an outer tantalum surface coated with an electrocatalytic iridiu...
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WO/1997/042360A1 |
Wrought copper cathode starting sheets for use in the electrolytic production of copper made preferably by continuous casting and rolling process are provided. Refined copper is melted in a shaft furnace (10) and continuously cast prefer...
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WO/1997/042359A1 |
Bipolar plate made of a composite material for use in a filter-press electrolyzer. Said plate comprises a central portion (6) which is electrically conductive and is obtained by heat-pressing of a mixture of graphite or conductive carbon...
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WO/1997/032646A1 |
The general area of this invention relates to porous materials made from nanofiber packed beds. More particularly, the invention relates to altering the porosity or packing structure of a nanofiber packed bed structure by blending nanofi...
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WO/1997/027347A1 |
An electrolytic system (10) and cell (12) for heating water as a liquid electrolyte containing a conductive salt in solution. The electrolytic cell (12) includes a non-conductive housing (14) having an inlet (54) and an outlet (56) and s...
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WO/1997/027344A1 |
A titanium suboxide of the formula TiOx where x is 1.55 to 1.95, is applied to a substrate by a thermal process to form a coating of the same composition. The thermal process may be plasma spraying, and the formed article may be an elect...
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WO/1997/026390A1 |
An electrolytic system and cell for heating water containing a conductive salt in solution. The electrolytic cell (12) includes a non-conductive housing (14) having an inlet (54) and an outlet (56) and spaced apart first (38) and second ...
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WO/1997/024474A1 |
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 conductive fibres, at least one cationic poly...
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WO/1997/022734A1 |
A method for preparing a carbon material for use as an electrode, such as the anode (30) of an electrochemical cell (10). The carbon is fabricated in a heating process from a plurality of multifunctional organic monomers selected from fi...
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WO/1997/020333A1 |
A double electric layer capacitor comprising at least two electrodes (4, 5), substantially of porous carbon, the electrodes being substantially saturated with electrolyte and separated by means of a porous separator (6) with ionic conduc...
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WO/1997/015356A1 |
Electrochemically regenerated RuO4 (or corresponding oxides of Os, Ir, Rh) is used in the decomposition of matter, especially matter containing organic material. The method has particular advantage in dealing with compounds containing ch...
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WO/1997/010370A1 |
A plate stack cell with series-connected stack electrodes in which at least one stack electrode consists of a graphite felt plate, a carbon felt plate, a fabric with a carbon-coated educt contact surface or a porous solid with a carbon-c...
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WO/1997/004146A1 |
An alloy of formula: Ti30+x Ru15+y Fe25+z O30+t Mu wherein M represents at least one metal selected from the group consisting of chromium, manganese, vanadium, tungsten, antimony, platinum and lead; x is an integer ranging between - 30 a...
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WO/1996/041391A1 |
Magnetic composites exhibit distinct flux properties due to gradient interfaces. The composites can be used to improve fuel cells and batteries and effect transport and separation of different chemical species. Devices utilizing the comp...
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WO/1996/038384A1 |
An apparatus (10) for reducing nitrates in an aqueous solution includes an electrochemical cell (11) having a container (12) for containing the aqueous solution containing nitrates, a carbon fiber cathodic electrode (22), a carbon fiber ...
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WO/1996/030563A1 |
A device is disclosed for generating controlled quantities of gas at predictable rates from an electrochemical cell (1) containing a decomposable metal carbonate, bicarbonate or basic carbonate. The cell provides more than one molecule o...
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WO/1996/024705A1 |
A cathode wherein the electrocatalytically-active outer layer is of substantially uniform thickness and has contours which are at least substantially the same as the contours of the substrate immediately underlying it. The electrode may ...
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WO/1996/007773A1 |
An electrolytic cell for the electrowinning of aluminium from alumina dissolved in a halide-containing molten electrolyte, has a cathode cell bottom made of a series of carbon cathode blocks (10) connected side-by-side transversally of t...
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WO/1996/002686A1 |
In the disclosed electrochemical cell (10) for the production of an alkaline solution of peroxide, especially on site production, the electrolyte is divided into an aqueous alkaline catholyte (19) and an aqueous alkaline anolyte (17), an...
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WO/1995/035262A1 |
A process for treatment of a fluid in need of treatment. The process comprising the steps of: (i) feeding the fluid in need of treatment to a fluid treatment chamber having a fluid inlet and a fluid outlet; (ii) passing the fluid in need...
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WO/1995/024519A1 |
This invention provides a pressure cell for an electrolytic apparatus having an outer shell and welded planar end plates on the cylindrical outer shell. The cylindrical nature of the pressure cell together with the planar end plates prov...
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