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WO/2009/125715A1 |
Provided is a method for the production, by means of the conjoint use of a wet process and a dry process, of an electrode catalyst whereby the effective surface area of the catalyst metal can be increased and a high catalyst metal loadin...
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WO/2009/124393A1 |
An electrochemical process for the recovery of metallic iron or an iron-rich alloy, oxygen and sulfuric acid from iron-rich metal sulfate wastes is described. Broadly, the electrochemical process comprises providing an iron-rich metal su...
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WO/2009/118124A1 |
The invention relates to a method for the electrolytic reduction of oxygen in aqueous solutions containing chlorine and/or chloride, in the presence of a catalyst comprising nitrogen-doped carbon nanotubes.
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WO/2009/114925A1 |
An electrochemical process for the concurrent recovery of iron metal and chlorine gas from an iron-rich metal chloride solution, comprising electrolysing the iron-rich metal chloride solution in an electrolyser comprising a cathodic comp...
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WO/2009/108061A1 |
The present invention comprises a composition of an anode alloy for use in three layer electroref ining of silicon and a method for producing silicon with a purity in the range of 99,99-99,999% by weight in a three layer electroref ing p...
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WO/2009/097962A1 |
The invention relates to an alloy which is especially used for electrodes for use in electrolysis. The electrodes according to the invention are manufactured to a major weight percentage of nickel and are provided with a coating that con...
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WO/2009/095208A1 |
A cathode for hydrogen evolution in an electrolytic cell, comprising a metallic substrate, and a coating consisting of substantially pure ruthenium oxide, is disclosed. The inventive cathode provides enhanced performance and service life...
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WO/2009/087931A1 |
Disclosed is an electrolytic method that can minimize the wear of an electrode and can efficiently electrolyze a sulfuric acid solution or the like. The electrolytic method comprises feeding an electrolysis solution into an electrolysis ...
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WO/2009/058170A9 |
Electrolysis cell and method of using the same in hydrogen generation. According to one embodiment, the electrolysis cell includes a frame having an interior. A proton exchange membrane (PEM) is disposed within the frame to divide the in...
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WO/2009/073927A1 |
An electrode useful in electrochemical nanobiosensors for determining the presence or concentration of analytes in aqueous samples. In particular, the electrode comprises a biocatalyst or other bioreceptor entrapped in a conducting polym...
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WO/2009/054295A1 |
In a waste water treatment or functional water production using electrolysis, energy efficiency is improved furthermore without contaminating the solution nor discharging a toxic substance. Furthermore, a diamond electrode excellent in d...
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WO/2009/049025A1 |
A volume-porous electrode is provided which increases effectiveness and production of electrochemical processes. The electrode is formed of a carbon, graphitic cotton wool, or from carbon composites configured to permit fluid flow throug...
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WO/2009/046382A2 |
An electrode comprising a primary and secondary metal nanoparticle coating on a metallic substrate is prepared by dispersing nanoparticles in a solvent and layering them onto the substrate, followed by heating. The enhanced surface area ...
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WO/2009/038192A1 |
A carbonaceous substrate exhibiting a composite profile which bears at least two (002) diffraction peaks and is resulting from crystallites different in spacing. The substrate exhibits an X-ray diffraction profile bearing an at least two...
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WO/2009/035025A1 |
This invention provides an electrode catalyst characterized in that the crystal structure as analyzed by X-ray diffractometry is ZrO1/2N, the potential at which an oxygen reduction current starts to flow is not less than 0.75 V vs. a rev...
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WO/2009/034116A2 |
The invention relates to a combination of a composite cathode element with a diaphragm, and to a method for producing the same. The invention also relates to the use of this combination in a cell for the electrolysis of aqueous solutions...
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WO/2008/148861A1 |
The present invention relates to a process for activating a diamond-based electrode comprising a step that consists in subjecting, in the presence of an aqueous solution containing an ionic electrolyte, said electrode to a potential alte...
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WO/2008/147623A2 |
A device for the concurrent oxygen generation and control of carbon dioxide for life support system involves two stages, where a first stage removes CO2 from an exhalent side of a ventilation loop and a second stage employs Ceramic Oxyge...
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WO/2008/147399A1 |
A gated electrode structure for altering a potential and electric field in an electrolyte near at least one working electrode is disclosed. The gated electrode structure may comprise a gate electrode biased appropriately with respect to ...
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WO/2008/138148A1 |
The invention relates to a nanocrystalline alloy of the formula Fe3-X Al1+X My Tz in which: M is at least one catalytic species selected from the group comprising Ru, Ir, Pd, Pt, Rh, Os, Re, Ag and Ni; T is at least one member selected f...
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WO/2008/128957A1 |
The invention relates to a method for roughening the surface of a metal sheet used as electrode support in industrial electrochemical applications, and an electrode made by such method. Mechanical roughening is imparted by skin-passing t...
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WO/2008/131207A2 |
Stabilized electrodes for electrochemical cells. An electrochemical cell based on an environmentally benign zirconia stabilized Fe6+/B2- chemistry is disclosed. An electrochemical potential is sustained compatible to the pervasive, conve...
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WO/2008/125567A2 |
The invention relates to a method for making a metallised graphitic felt member homogenously coated on its entire volume with a conducting organic polymer, said method comprising the steps of: inserting into an electropolymerisation devi...
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WO/2008/101955A1 |
The invention relates to a sulphide catalyst for electrochemical reduction of oxygen particularly stable in chemically aggressive environments such as chlorinated hydrochloric acid. The catalyst of the invention comprises a noble metal s...
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WO/2008/093675A1 |
Disclosed is a low-cost multilayer electrode having high corrosion resistance, low resistivity and catalytic characteristics, which is used as an electrode member for dye-sensitized solar cells, fuel cells, electrolysis of electrolyte so...
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WO2004065662A9 |
The invention concerns a novel adjustable elastic element (19) for forcing the surfaces of expandable-type anodes for diaphragm chlor-alkali cells. In an embodiment of the invention such element consists of a U-shaped elastic sheet provi...
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WO/2008/066541A2 |
An electrochemical device is described which consists of two electrolyte chambers separated by a common electronically conducting cathode, such as a metal foil. On one side of the common cathode is a non-aqueous electrolyte which does no...
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WO/2008/065137A1 |
The invention relates to an improved carbon supported-noble metal sulphide electrocatalyst suitable for being incorporated in gas-diffusion electrode structures, in particular in oxygen-reducing gas-diffusion cathodes for aqueous hydroch...
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WO/2008/061975A2 |
Described herein is the preparation and use of electrodes containing metal catalysts, preferably based upon cobalt, nickel, iridium, ruthenium, rhodium, platinum and their combinations used for the production of hydrogen by the electroly...
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WO/2008/062507A1 |
An electrolytic hydrogen water production system having a titanium electrode for sterilization which can sustain sterilization effect even when the system is operated for a long term or used in a region where hardness of city water is hi...
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WO/2008/058577A1 |
Electrode for the electrolysis of water-containing electrolytes, which comprises a material suitable for the electrolysis of water, with the surface of the electrode being configured so that it has at least two internal regions having di...
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WO/2008/058315A1 |
The present invention relates to an electroflocculation apparatus. The present invention also relates to waste-water treatment systems which include an electroflocculation stage. The present invention is predicated, in part, on the recog...
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WO/2008/043766A2 |
The invention relates to a cathode for electrolytic processes, particularly suitable for hydrogen evolution in chlor-alkali electrolysis, consisting of a nickel substrate provided with a coating comprising a protective zone containing pa...
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WO/2008/040222A1 |
A composite nanometer powder catalyst containing titanium dioxide and its preparation method. This catalyst is a product prepared by the impregnating titanium-base metal ceramic compound with mixture solution containing platinum-group me...
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WO/2008/030646A2 |
A non-Faraday ionic species removal process (flow-through capacitor) and system is described. The system includes a power supply, a pump for transporting a liquid through the system, and a plurality of porous electrodes (125). The electr...
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WO/2008/012403A2 |
Electrolysis device intended to produce hydrogen by the reduction of water, comprising a cathode compartment, an anode compartment and an element connecting said compartments and allowing ions to migrate between them, the device being ch...
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WO/2008/013535A1 |
A process and apparatus utilizing at least one conformable anode (40) in a plating process to apply a plating to an article (10). A wire or other material suitable for an anode is shaped to conform to the approximate shape of a region of...
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WO/2008/006210A1 |
A catalyst formulation for an organic fuel cell, for example a formic acid fuel cell, includes a metal oxide and a noble metal. The catalyst formulation can include a noble metal supported on a metal oxide. The metal oxide can store and ...
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WO/2008/006379A2 |
This invention introduces a method for treating a surface of an electrically conductive object with a refractory metal. In one embodiment, the refractory metal is tantalum and the object is a titanium substrate. A surface layer of mixed ...
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WO/2007/140716A1 |
An electrochemical water treating equipment is disclosed. The main body of the equipment is a tube through whose center a straight-line electrode (1) is installed. On the tube wall around the straight-line electrode annulus electrodes (2...
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WO/2007/138092A2 |
The invention relates to a method for connecting an electrode (1) to a mounting rod (2). According to said method, the two components (1, 2) are provided as separate elements, and the electrode (1) is permanently connected to the mountin...
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WO/2007/134439A1 |
The invention relates to a method for preparing a ceramic from an inorganic base material in the form of a powder with a high boiling point, including a step in which the powder of the inorganic base material is mixed with a second inorg...
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WO/2007/133577A2 |
A drive assembly for a vehicle door is provided The drive assembly (42) includes a motor having a driving member The drive assembly (42) further includes a housing having a shaft rotatably received therein The drive assembly further incl...
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WO/2007/131324A1 |
The present invention relates to a portable device for generating ozone in water, purifying the water and making it drinkable. The device comprises a housing; at least two electrodes, including an anode and a cathode extending from the h...
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WO/2007/132035A1 |
It is composed of an electrolytic reactor that stores, inside, individual conductor or semiconductor plates arranged in parallel and with the insertion of an insulating separator plate in between every two contiguous plates, the two plat...
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WO/2007/126308A1 |
This invention relates to protection of a metal component exposed to a corroding medium. One or more of the following are provided: cathodic protection, measuring of a condition of the component, retarding or avoiding of fouling. A sacri...
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WO/2007/120814A2 |
A system is provided for the manufacture of carbon based electrical components including, an ultraviolet light source; a substrate receiving unit whereby a substrate bearing- a first layer of carbon based semiconductor is received and di...
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WO/2007/116004A2 |
The invention relates to a method for producing a diamond electrode comprising synthetically produced and electrically conductive (doped) diamond particles (2) which are embedded in a support layer (1) made of electrically non-conductive...
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WO/2007/113785A1 |
A direct oxidation liquid feed fuel cell having a PEM sandwiched between a cathode and an anode is described. The anode includes a reticulated structure having more than one path made of interconnected pores connecting each point on one ...
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WO/2007/109612A2 |
A method for making superconducting material useful for forming electrolytic devices comprising the steps of establishing multiple valve metal rods in a primary billet of a ductile material; working the primary billet to a series of redu...
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