Matches 251 - 300 out of 463 < 1 2 3 4 5 6 7 8 9 10 >
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4800139 Method of producing hydrogen electrode and use thereof in fuel cells  
An excellent stable hydrogen electrode of low polarization is provided which comprises Raney nickel catalyst containing about 0.2-2% by weight of chromium. Such hydrogen electrode is produced...
4797379 Electrode structure and method of making same  
An electrode provided with an alkali or alkaline earth hydroxide constituent which upon heat treatment in the presence of carbon dioxide is converted to a carbonate constituent.
4784730 Cathodes suitable for use in electrochemical processes evolving hydrogen  
A cathode suitable for use in an electrochemical process evolving hydrogen (for example the chloralkali process) in which the cathode comprises an electrically conductive substrate (1) made of a...
4780437 Fabrication of catalytic electrodes for molten carbonate fuel cells  
A porous layer of catalyst material suitable for use as an electrode in a molten carbonate fuel cell includes elongated pores substantially extending across the layer thickness. The catalyst layer...
4760041 Preparation and use of electrodes  
A substrate is coated with a solution of metal oxide precursor compounds and an etchant for etching the substrate, the metal oxide precursor compounds are thermally concentrated by removing...
4696872 Process for producing a catalytic layer for a fuel cell electrode  
Present invention relates to a process for producing a catalytic layer for a fuel cell electrode, which process is characterized in that first step at least two carbons or mixtures of carbons are...
4657653 Catalyst for a basic solution electrolyzer  
A catalyst for an electrolyzer of basic solutions. An electrode catalyst for an electrolyzer of basic solutions, the catalyst consisting of a compound based on a mixed oxide of molybdenum and of...
4655885 Surface-modified electrode and its use in a bioelectrochemical process  
In a bioelectrochemical process in which the electrons are transferred directly, without use of a mediator, such as a redox dye or cofactor, between an electrode and an electroactive biological...
4648946 Electrode for electrochemical processes, method for preparing the same and use thereof in electrolysis cells  
The present invention provides an electrode having a coating made of electrocatalytic ceramic materials on substantially incompatible metal substrates, by resorting to the use of an anchoring...
4617196 Method for treating cathode  
Disclosed is a method of treating a porous Raney nickel electrode having pyrophoric properties to eliminate such properties while maintaining the catalytic properties of the electrode. The method...
4603118 Process for the preparation of a catalytically active electrode material for oxygen-consuming electrodes  
Metallic silver is deposited from a silver salt solution onto a support by reduction, and thus a catalytically active electrode material for oxygen-consuming electrodes is obtained. For this...
4598056 Material containing microaggregates of metals, inorganic compounds or organometallic compounds, more particularly usable in heterogeneous catalysis and its production process  
The material comprises a membrane constituted either by at least one monomolecular layer of amphiphilic molecules, or by amphiphilic molecules adsorbed on a substrate, and microaggregates of the...
4589969 Electrode for electrolysis of solutions of electrolytes and process for producing same  
The present invention relates to electrochemistry. An electrode for electrolysis of solutions of electrolytes comprises a substrate of a passivated metal and a coating applied onto this substrate...
4587001 Cathode for use in electrolytic cell  
A cathode for use in an electrolytic cell which comprises a metallic substrate, preferably of nickel alloy, and a coating thereon of a mixture of at least one platinum group metal and at least one...
4585540 Composite catalytic material particularly for electrolysis electrodes and method of manufacture  
A porous high surface area composite electroconductive catalytic material, particularly as electrocatalyst for electrolysis electrodes, comprises a porous pre-formed matrix which is a catalytic...
4569924 Metal carbon catalyst preparation  
Carbon-metal catalysts having a substantial amount of catalytically active metal, e.g. silver, deposited thereon in zero-valent, small cluster form, are prepared by vaporizing the metal under low...
4568442 Gas diffusion composite electrode having polymeric binder coated carbon layer  
A gas diffusion composite electrode useful in an electrochemical cell comprising an electrochemically active layer and a backing layer, said active layer characterized as porous, homogeneous,...
4552857 Cathode coating with hydrogen-evolution catalyst and semi-conducting polymer  
A cathode coating comprises a catalyst for hydrogen evolution finely dispersed in a matrix consisting of an insoluble, semiconducting polymer which is formed in situ on an electrode support body. A...
4545883 Electrolytic cell cathode  
A material for acting as a catalyst for hydrogen evolution in an electrolytic cell is formed from a host matrix including at least one transition element which is structurally modified by...
4544473 Catalytic electrolytic electrode  
A catalytic body which is substantially amorphous is formed from at least two materials vacuum deposited on a cool substrate or sprayed on a cool surface to provide a local order non-equilibrium...
4543174 Method of making a catalytic lead-based oxygen evolving anode  
A method of making a catalytic lead-based oxygen-evolving anode comprises catalytically activating titanium sponge particles larger than 300 microns by impregnating with a solution containing Mn...
4543348 Manufacture of electrodes with lead base  
An electrode having a lead base and a catalyst is manufactured by (a) compressing titanium sponge particles so as to consolidate them to a coherent porous layer, (b) applying the catalyst to the...
4537674 Electrolytic cell anode  
An improved anode for acting as a catalyst for the oxygen evolution reaction in water electrolysis. The anode provides lower overvoltages, good kinetics, chemical and mechanical stability, low heat...
4528084 Electrode with electrocatalytic surface  
An electrode for use in electrolytic processes comprises a base of film-forming metal such as titanium with an operative outer electrocatalytic surface which is an integral surface film of a...
4518705 Three layer laminate  
The disclosure is directed to preparing three-layer laminated electrodes suitable for use as oxygen (air) cathodes in chlor-alkali and other electrochemical cells, fuel cells and in other...
4515673 Electrode with anode active layer  
A titanium or niobium electrode substrate (which may be copper or steel cored) having on its surface a painted and fired anodically active layer for example of a platinum group metal, there being...
4513094 Single-batch process to prepare noble metal vanadium alloy catalyst on a carbon based support  
A novel single-batch method for preparing carbon supported alloy catalysts, wherein one of the metals is a noble metal, preferably platinum and the other metals selected from the transition Groups...
4513102 Catalyst for coating anodes and a process for its preparation  
A catalytic powder for coating an anode consisting essentially of 2-45 mol % of RuO 2 , 2-45 mol % of IrO 2 and 10-96 mol % of SnO 2 . The powder has a rutile crystal type, at least partially as a...
4510214 Electrode with electron transfer catalyst  
The disclosed electrode includes an electroconductive substrate and an electron-transfer catalyst immobilized on the conductive support surface by being covalently bonded thereto via a linking...
4506028 Process for preparing a fuel cell electrode substrate comprising carbon fibers  
An electrode substrate for a fuel cell having a high porosity, a good mechanical strength and electroconductivity and a sharp distribution of pore radii is prepared by a process comprising mixing...
4501803 Porous gas diffusion-electrode  
A porous gas-diffusion electrode having a ruthenium electrocatalyst is conditioned for operation as a hydrogen consuming anode by connecting the electrode as a cathode in a suitable electrolyte...
4500647 Three layer laminated matrix electrode  
The disclosure is directed to preparing three-layer laminated "matrix" electrodes suitable for use as oxygen (air) cathodes in chlor-alkali and other electrochemical cells, fuel cells and in other...
4487818 Fuel cell anode based on a disordered catalytic material  
An anode for hydrogen oxidation in a fuel cell is formed from a host matrix including at least one transition element which is structurally modified by the incorporation of at least one modifier...
4471006 Process for production of electrolytic electrode having high durability  
An electrolytic electrode which exhibits high durability when used in electrolysis in which the generation of oxygen is involved and a process for the production of same. The electrolytic electrode...
4469808 Permionic membrane electrolytic cell  
Disclosed is the preparation of electrodes provided by depositing hydrophilic electrolyte resistant resin atop an electrocatalyst on a metallic substrate and treating the resin to cause it to flow...
4467050 Fuel cell catalyst member and method of making same  
A fuel cell catalyst member formed from a metallic plate to whose surface is electrophoretically applied a porous support layer of ceramic material into which is impregnated an active catalyst...
4456520 Porous rigid titanium disulfide electrodes for electrochemical cells and method for preparing same  
Rigid unitary porous titanium disulfide (TiS 2 ) electrodes, particularly useful in electrochemical cells. The electrodes are devoid of binders and other additives, except for incidental...
4454169 Catalytic particles and process for their manufacture  
Catalytic particles with an inert, corrosion resistant support material are provided with a catalyst finely dispersed in a matrix of an insoluble electrically conducting polymer formed in situ on...
4448886 Biodispersions  
A process for producing high dispersion metal crystallites dispersed substantially homogeneously in a carbonaceous material matrix is disclosed. The novel metal crystallite dispersions disclosed...
4446245 Recoating of electrodes  
Used dimensionally stable electrodes having a valve-metal base and an originally conductive and electrocatalytic coating of e.g. ruthenium-titanium oxide are cleaned and activated by impregnation...
4444642 Dimensionally stable coated electrode for electrolytic process, comprising protective oxide interface on valve metal base, and process for its manufacture  
An electrode for use in an electrolytic process is provided with a mixed oxide interface between a titanium base and an outer coating. The mixed oxide is formed at said interface by means of...
4440835 Thin non-flat gas electrode, current collector and process of manufacture  
The invention relates to a process for manufacturing an electrode, particularly a thin gas electrode of any non flat shape, characterized in that an homogeneous mixture is prepared of dry particles...
4439466 Raney nickel electrode for Ni-H.sub.2 cell  
A method for making a Raney nickel electrode without employing a pressure compacting step comprising providing a substrate, coating the substrate with a Raney nickel-aluminum alloy using a plasma...
4438216 Process for improved activated carbon having an aluminum-heavy metal spinel  
A method of producing an activated carbon having an aluminum-heavy metal spinel features the use of at least twice the stoichiometric amount of aluminum with respect to heavy metal in the preparation.
4435252 Method for producing a reticulate electrode for electrolytic cells  
An electrode for use in the electrolysis of aqueous solutions of ionizable compounds is produced by a method which comprises affixing filaments to a support fabric to form a network of filaments....
4435313 Electrode with outer coating for effecting an electrolytic process and protective intermediate coating on a conductive base, and method of making same  
An electrode with an outer coating for effecting an electrolytic process is provided with a protective intermediate coating consisting of a conducting insoluble polymer network formed in situ on a...
4433063 Hydrogen sorbent composition  
A hydrogen sorbent composition is provided which is comprised of a hydridable material such as LaNi 5 encradled throughout a porous, fiber-containing polymeric composition.
4431567 Process for preparing electrodes using precious metal-catalyst containing partially fluorinated active carbon  
This disclosure is directed to preparing deashed, precious metal catalyst-containing, partially fluorinated active carbon particles of the formula CF x , where x ranges from 0.l to about 0.18,...
4430188 Electrodes for use in an electrolytic process  
An electrode for use in an electrolytic reaction in an electrolytic cell, such as an anode in the manufacture of chlorine or hypochlorites, or the production of organic compounds or the...
4428847 Anode stud coatings for electrolytic cells  
The invention relates to a method for protecting anode studs by coating the anode studs with an outermost surface layer of titanium diboride, zirconium diboride, titanium carbide, zirconium...
Matches 251 - 300 out of 463 < 1 2 3 4 5 6 7 8 9 10 >