|| List of recent Electrolytic Cell-related patents
| Methods and apparatus for sensing the internal temperature of an electrochemical device|
The internal temperature of an electrochemical device may be probed without a thermocouple, infrared detector, or other auxiliary device to measure temperature. Some methods include exciting an electrochemical device with a driving profile; acquiring voltage and current data from the electrochemical device, in response to the driving profile; calculating an impulse response from the current and voltage data; calculating an impedance spectrum of the electrochemical device from the impulse response; calculating a state-of-charge of the electrochemical device; and then estimating internal temperature of the electrochemical device based on a temperature-impedance-state-of-charge relationship.
| Benzodithiophene derivatives and their use as photoluminescent compounds|
Compound comprising a benzoetherodiazole group of formula (i) and at least one benzodithiophene group or a mixture of compounds comprising a benzoetherodiazole group and at least one benzodithiophene group of formulae (ii) and (iii). Both said compound and said mixture of compounds can be advantageously used as spectrum converters in luminescent solar concentrators (lscs), capable, in their turn, of enhancing the performances of solar devices (i.e.
|Etching of plastic using acidic solutions containing trivalent manganese|
A method of preparing a solution capable of etching a platable plastic. The method comprises the steps of: (a) providing an electrolyte comprising a solution of manganese(ii) in a solution of 9 to 15 molar sulfuric acid or phosphoric acid to an electrolytic cell; (b) applying a current to the electrolytic cell, wherein the electrolytic cell comprises an anode and a cathode; and (c) oxidizing the electrolyte to form manganese(iii) ions, wherein the manganese(iii) ions form a metastable sulfate complex.
|Electrolytic cell for heating electrolyte by a glow plasma field in the electrolyte|
An electrolytic cell for the generation of a plasma field in an electrolyte that heats the electrolyte forms part of a closed-loop heat transfer device, the electrolytic cell fluidly connected to a heat exchanger. A plasma electrode and a second electrode form part of the flow path of electrolyte from the tank to the heat exchanger.
|Production of fuel from chemicals derived from biomass|
Hydrocarbons may be formed from six carbon sugars. This process involves obtaining a quantity of a hexose sugar.
|Method for producing aluminum film and method for producing aluminum foil|
A method for producing an aluminum film by electrodepositing aluminum on a base in an electrolytic cell to which a liquid electrolyte containing a molten salt is fed includes adjusting a concentration of an additive in such a manner that a measured value of an overvoltage is within a predetermined range on the basis of a predetermined relationship between the overvoltage and the concentration of the additive added to the molten salt upon electrodepositing aluminum in the liquid electrolyte.. .
|Production of fuel from chemicals derived from biomass|
Hydrocarbons may be formed from six carbon sugars. This process involves obtaining a quantity of a hexose sugar.
|Mini cleaning appliance for cleaning two-phase or three-phase aerosol flows generated in an electrolytic cell for producing metals|
One embodiment of the present disclosure includes enclosing the upper area of the anodes using a fabric sleeve, open at its upper and lower ends, located inside unitary bells with side holes that face the holes of perforated extraction ducts located on both sides of the cell, in an anode and cathode support structure, which are connected to the normal extraction system of the production bay, thus preventing the aerosols from reaching the environment.. .
|Device and method for cleaning dental appliances|
A device for cleaning a dental appliance is disclosed. The device includes a holding container including an upper portion and a lower portion, the holding container adapted to receive at least one dental appliance; an electrolytic cell for generating chlorine dioxide from a chlorine dioxide precursor; and an electrical current supply including a circuit operably connecting the electrical current supply to the electrolytic cell..
|Nano silicon-carbon composite material and preparation method thereof|
The invention relates to a nano silicon-carbon composite negative material for lithium ion batteries and a preparation method thereof. A porous electrode composed of silica and carbon is taken as a raw material, and a nano silicon-carbon composite material of carbon-loaded nano silicon is formed by a molten salt electrolysis method in a manner of silica in-situ electrochemical reduction.
|Method for extending the shelf life of liquid comestibles|
The shelf life of a comestible liquid is prolonged by passing the liquid through an electrolytic cell. Electric current travels from one electrode to the other through the liquid.
|System and method for treating a saline feed stream to an electro-chlorination unit|
A system to reduce scaling within or downstream of an electrolytic cell includes sulfate removal membranes located upstream of one or more electrolytic cells which are arranged to receive a permeate feed stream from the sulfate removal membranes. The membranes can be nanofiltration membranes.
|Process and device for improving the capture of so2 in electrolytic cell gases|
A method and device for capturing so2 present in gases originating from cells for the industrial production of aluminum by igneous electrolysis, implemented over a group of at least two reactors passed through in parallel by a gas stream and supplied with a powdered sorption agent capable of adsorbing effluents present in the gas stream by placing the sorption agent in contact with the gas stream, each reactor having collection elements for collecting the sorption agent after contact with the gas stream, at least one of the reactors having discharge elements for discharging the sorption agent after contact with the gas stream to injection elements for injecting into at least another one of the reactors; and desorbing elements located between the discharge elements and the injection elements, for desorbing the so2 adsorbed by the sorption agent before it reaches the discharge elements.. .
|Electrochemical device for syngas and liquid fuels production|
The invention relates to methods for creating high value liquid fuels such as gasoline, diesel, jet and alcohols using carbon dioxide and water as the starting raw materials and a system for using the same. These methods combine a novel solid oxide electrolytic cell (soec) for the efficient and clean conversion of carbon dioxide and water to hydrogen and carbon monoxide, uniquely integrated with a gas-to-liquid fuels producing method..
|Titanium diboride granules as erosion protection for cathodes|
The invention further relates to a method for producing these titanium diboride granules, the use thereof for covering graphite cathodes in electrolytic cells in al fused-salt electrolysis or for repairing holes in cathode bases of electrolytic cells and also a method for repairing holes in cathode bases of electrolytic cells.. .
|Method for heating liquids and a device for its realization|
The invention will be applied in industry and households. The method includes performance of an electrolysis process.
|Systems and methods of protecting electrolysis cells|
Broadly, the present disclosure relates to sidewall features (e.g. Inner sidewall or hot face) of an electrolysis cell, which protect the sidewall from the electrolytic bath while the cell is in operation (e.g.
|Electrolytic cell having a transition duct outlet|
An electrolytic cell is provided. The cell includes a housing having a liquid inlet and a liquid outlet outlet, an anode and a cathode positioned within the housing and defining a reaction chamber therebetween, and a liquid flow path, from the liquid inlet to the liquid outlet, which passes through the reaction chamber.
|Method and system for electrolysis|
A method and system for electrolysis. The system includes an electrolytic cell which has a front end and a back end.
|High performance cathodes for water electrolysers|
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 under unsteady and intermittent powering, such as powering from solar cells; a process for coating the metallic substrate is also disclosed..
The invention relates to a gas-diffusion electrode provided with a sintered and cast gas-diffusion layer having a high elastic modulus. The electrode is useful as hydrogen-consuming anode or oxygen-consuming cathode of depolarised electrolytic cells such as electrowinning, chlor-alkali or electrodialysis cells..
|Method for operating an electrolytic cell|
A method for operating an electrolytic cell for electrolytic water splitting in which at least one membrane is supplied with water in a passive manner.. .
|Membrane-electrode assembly, electrolytic cell employing the same, electrolytic-water sprayer, and method of sterilization|
The present invention provides a membrane-electrode assembly which includes: at least one rod-form or tubular electrode; a tubular diaphragm disposed around the periphery of the electrode; and a wire-form counter electrode disposed around the periphery of the diaphragm, the diaphragm being fixed to the rod-form or tubular electrode with the wire-form counter electrode to thereby form an electrode chamber having a gas/liquid passage between the diaphragm and the rod-form or tubular electrode.. .
|Electrolyzing cell for generating hydrogen and oxygen and method of use|
An electrolytic cell used to electrolyze water and produce hydrogen and oxygen. The cell comprises nonconductive dividers, sandwiching neutral electrodes and designed for rapid flow of electrolyte through the cell to limit voltage loss.
|Device for manufacturing sodium hypochlorite or hypochlorous acid and water treatment system in general|
This disclosure includes a device for producing sodium hypochlorite or hypochlorous acid for water treatment, the device including: a cylinder for storing salt in solid form, adapted for being fed directly via a pressurized water pipe, and including one or more tubes that form one or more electrolytic chambers; one or more electrolytic cells received in the electrolytic chambers; the tubes of the cylinders being perforated to allow the contacting of the electrolytic cells with the salt-saturated water while preventing the electrolytic cells from being short-circuited by the solid salt. This produces sodium hypochlorite or hypochlorous acid from salt-saturated water in a cylinder, connected directly to the pipe of the water to be treated without the latter being loaded with salt..
|Electrolysis water-making apparatus|
The electrolysis water-making apparatus (a) which is an apparatus for making electrolysis water (w5) by electrolyzing a raw material solution (w1, w3) including a chlorine ion includes: an electrolytic cell (2); a raw material solution feed pump (3) used to supply the raw material solution (w1, w3) to the electrolytic cell (2); and a pipe (32, 36) connecting an outlet (3b) of the raw material solution feed pump (3) allowing the raw material solution (w1, w3) to be discharged therefrom and an inlet (26) allowing the raw material solution (w1, w3) to flow into the electrolytic cell (2). In addition, the raw material solution feed pump (3) is provided so that the outlet (3b) is disposed on a lower side of the inlet (26)..
|Permanent system for continuous detection of current distribution in interconnected electrolytic cells|
The invention relates to a current collecting bus-bar comprising electrode housings for accommodating a multiplicity of electrodes in electrical contact therewith. Probes for measuring the electric potential locally established in correspondence of the electrical contacts during the passage of electric current are also connected to the bus-bar.
|Electrolyser and assembly comprising same, in particular for the production of h2 and o2|
The present invention relates to an electrolyser for the production of at least one chemical substance, such as hydrogen, oxygen, chlorine or hypochlorous acid, or sodium hydroxide, by electrolysis of pure water or of water containing at least one salt, base and/or acid such as nacl, h2so4, koh or naoh, comprising a stack of at least a first and a second consecutive electrolytic cells, each electrolytic cell (10) comprising; —an anode, —a cathode, —an ion exchange membrane (11) positioned between the anode and the cathode, the ion exchange membrane (11) of the first electrolytic cell and of the second electrolytic cell being separated by a bipolar electrode (15) constituting on the one hand, the anode of the first electrolytic cell and, on the other hand, the cathode of the second electrolytic cell.. .
|Alkali metal intercalation material as an electrode in an electrolytic cell|
The present invention provides an electrochemical cell that includes an anolyte compartment housing an anode electrode; a catholyte compartment housing a cathode electrode; and a solid alkali ion conductive electrolyte membrane separating the anolyte compartment from the cathode compartment. In some cases, the electrolyte membrane is selected from a sodium ion conductive electrolyte membrane and a lithium ion conductive membrane.
|Process for recovering alkali metals and sulfur from alkali metal sulfides and polysulfides|
Alkali metals and sulfur may be recovered from alkali monosulfide and polysulfides in an electrolytic process that utilizes an electrolytic cell having an alkali ion conductive membrane. An anolyte solution includes an alkali monosulfide, an alkali polysulfide, or a mixture thereof and a solvent that dissolves elemental sulfur.
|Electrolysis water-making apparatus|
The electrolysis water-making apparatus (a) includes: an electrolytic cell (2); a raw material solution feed pump (3) used to supply the raw material solution (w1, w3) to the electrolytic cell (2); a raw material solution pipe (32, 36) connecting an outlet (3b) of the raw material solution feed pump (3) and an inlet (26) of the electrolytic cell (2); and an electrolyzed solution advection-deterring portion (40) formed in the raw material solution pipe (32, 36) between the outlet (3b) and the inlet (26). The raw material solution feed pump (3) is provided so that the outlet (3b) is disposed on an upper side of the inlet (26).
|Contact bar with multiple support surfaces and insulating capping board|
The present invention related to a contact bar or contact bar segment, a contact bar and insulating capping board assembly and a method for operating an electrolytic cell including electrodes for refining metal. Embodiments of the contact bar include support sections with multiple support surfaces for lying against the insulating capping board, thereby distributing weight of the electrodes hanging on the contact bar; and contact sections for receiving the electrodes while providing good electrical contact and precise positioning thereof.
|Efficient treatment of wastewater using electrochemical cell|
An efficient method and system for the electrochemical treatment of waste water comprising organic and/or inorganic pollutants is disclosed. The system comprises an electrolytic cell comprising a solid polymer, proton exchange membrane electrolyte operating without catholyte or other supporting electrolyte.
|Method of producing coupled radical products via desulfoxylation|
A method that produces coupled radical products. The method involves obtaining a sodium salt of a sulfonic acid (r—so3—na).
|Decarboxylation of levulinic acid to ketone solvents|
Ketones, specifically methyl ethyl ketone (“mek”) and octanedione, may be formed from six carbon sugars. This process involves obtaining a quantity of a six carbon sugar and then reacting the sugar to form levulinic acid and formic acid.
|Process for generating oxygenated water|
A method for increasing the quantity of dissolved oxygen in water includes addition of an oxidant to the water to increase the oxidation-reduction potential (orp) of the water to between about 400 and 850 mv, followed by electrolysis to generate oxygen gas. The voltage applied to the electrolytic cells during electrolysis is less than 300 mv.
|Electrolytic cells and methods for the production of ammonia and hydrogen|
A method using an electrolytic cell to electrolyze urea to produce at least one of h2 and nh3 is described. An electrolytic cell having a cathode with a first conducting component, an anode with a second conducting component, urea and an alkaline electrolyte composition in electrical communication with the anode and the cathode is used to electrolyze urea.
|Apparatus for controlling an electrolytic cell in a water purification system|
A system comprises a water purification system having an electrolytic cell to receive a flow of waste water. A power source supplies power to the electrolytic cell.
|Method of producing coupled radical products from biomass|
A method that produces coupled radical products from biomass. The method involves obtaining a lipid or carboxylic acid material from the biomass.
|Electroylytic reduction of carbon capture solutions|
Disclosed herein is a system comprising an absorber; the absorber being operative to extract carbon dioxide from a flue gas stream to form a carbon capture solution that is rich in carbon dioxide; and an electrolytic cell disposed downstream of the absorber; where the electrolytic cell is operative to reduce carbon dioxide present in the carbon capture solution. Disclosed herein too is a method comprising discharging a flue gas stream from a flue gas generator to an absorber; contacting the flue gas stream with a carbon capture solution; extracting carbon dioxide from the flue gas stream to form a carbon dioxide rich carbon capture solution; discharging the carbon dioxide rich carbon capture solution to an electrolytic cell; and reducing the carbon dioxide to a hydrocarbon in the electrolytic cell..
|Aluminum smelter comprising electrical conductors made from a superconducting material|
Characterized in that the electrical conductor made of superconducting material in the secondary electrical circuit runs along the row or rows of electrolytic cells at least twice in such a way as to make several turns in series.. .
|Aluminum smelter including cells with cathode output at the bottom of the pot shell and cell stabilizing means|
Aluminum smelter comprising: (i) a series of electrolytic cells, comprising an anode, a cathode and a pot shell equipped with a side wall and a bottom, each cathode including at least one cathode output, (ii) a main electric circuit through which an electrolysis current passes, including an electrical conductor connected to each cathode output of a cell n, and to the anode of a cell n+1, and (iii) a means to stabilize the electrolytic cells. At least one of the cathode outputs of the cathode of n passes through the bottom of the pot shell, and during the operation of n and n+1, the electrolysis current passes, in an upstream-downstream direction only, through each electrical conductor extending from each cathode output of n in the direction of n+1..
|Undivided electrolytic cell and use of the same|
The invention relates to a method for producing an ammonium peroxydisulfate or alkali metal peroxydisulfate, to an undivided electrolytic cell which is composed of individual components, and to an electrolytic device composed of a plurality of said electrolytic cells.. .
|Three electrode electrolytic cell and method for making hypochlorous acid|
A method and apparatus are provided for electrolyzing a source liquid in an electrolytic device. The electrolytic device includes a first cathode in a cathode chamber; and an anode and a second, auxiliary cathode in an anode chamber.
|Non-cyanide base electro chemical polishing|
A system used in polishing the metal includes a base assembly and an electrolytic cell assembly. The base assembly has a support stand which is mounted on to a connecting element.
|Anodes for the electrolytic production of nitrogen trifluoride and fluorine|
A process and an anode for the production of nitrogen trifluoride or fluorine where the anode in the electrolytic cell is made primarily from parallel ordered anisotropic carbon, including needle coke and/or mesocarbon microbeads. The parallel ordered anisotropic carbon anodes minimize the production of cf4 and improve the purity of the nitrogen trifluoride or fluorine gas produced.
|Anodes for the electrolytic production of nitrogen trifluoride and fluorine|
A process and an anode for the production of nitrogen trifluoride or fluorine where the anode in the electrolytic cell is made primarily from mesocarbon microbeads. The mesocarbon microbead anodes minimize the production of cf4 and improve the purity of the nitrogen trifluoride or fluorine gas produced.
|Hybrid metal oxide cycle water splitting|
Hybrid thermochemical water splitting cycles are provided in which thermally reduced metal oxides particles are used to displace some but not all of the electrical requirements in a water splitting electrolytic cell. In these hybrid cycles, the thermal reduction temperature is significantly reduced compared to two-step metal-oxide thermochemical cycles in which only thermal energy is required to produce hydrogen from water.
|Plasma electrolytic cell|
Electrolytic devices, including electrolytic cells, are described, that can be used in various segments of technology for the production of hydrogen and oxygen by electrolysis of water electrolytes. In one embodiment, a plasma electrolytic cell is provided, comprising an anode and a cathode located in dielectric containers interconnected via a pipe in their bottom portions, wherein the spiral shaped cathode is made from electrically insulated copper wire and the electric insulation has local breaks, wherein the anode is planar, the cathode and anode containers have covers with embedded gas pressure adjustment valves, wherein the top portions of the containers are connected to gas offtake devices, and wherein the cathode and anode containers allow adding more electrolyte..
|Transformerless on-site generation|
Methods and apparatuses for electrolysis that does not require the use of a transformer to operate. The apparatus comprises one or more electrolytic cells which comprise the number of intermediate electrodes sufficient to enable the cell or cells to operate at the rectified line voltage without any need for voltage regulation, or near the rectified line voltage with only some voltage regulation, such as less than 20% of the rectified line voltage.
|Apparatus and method for electrochemical modification of liquids|
An apparatus for electrochemical modification of liquid streams employing an electrolytic cell which includes an anode compartment defined by an anode structure where oxidation is effected, containing a liquid electrolyte anolyte, and a cathode compartment defined by a cathode structure where reduction is effected containing a liquid electrolyte catholyte. In addition, the electrolytic cell includes at least one additional compartment arranged at least partially between the anode compartment and the cathode compartment and separated from the anode compartment and the cathode compartment by a separator structure arranged to supports ionic conduction of current between the anode structure and the cathode structure..
|Electrorecovery of gold and silver from leaching solutions by simultaneous cathodic and anodic deposits|
This relates to mining and mineral or materials treatment industries that deal with gold and silver. Specifically, it is related to the process to recover gold and silver from thiosulfate or thiourea solutions, with an electrolysis that occurs simultaneously on both the anode and cathode.
|Dry cell start-up of an electrolytic cell for aluminum production|
A method for starting up an electrolytic cell (20) for aluminum production having a cathode block (26) with an upper surface (32), the method comprising: disposing contact resistance material (46) over the upper surface (32) of the cathode block (26); lowering a plurality of anodes (28) to abut the contact resistance material (46); filling the electrolytic cell (20) and covering the anodes (28) with solid electrolyte material (72) comprising crushed electrolytic bath material, cryolite, or mixtures thereof; delivering electrical current to the anodes (28) to at least partially melt the solid electrolyte material (72) and raising the anodes (28) when a predetermined depth of molten electrolyte material has been reached.. .
|Electrolytic cell and method of use thereof|
In one embodiment of the present invention an electrolytic cell is provided comprising a containment vessel; a first electrode; a second electrode; a source of electrical current in electrical communication with the first electrode and the second electrode; an electrolyte in fluid communication with the first electrode and the second electrode; a gas, wherein the gas is formed during electrolysis at or near the first electrode; and a separator; wherein the separator includes an inclined surface to direct flow of the electrolyte and the gas due to a difference between density of the electrolyte and the combined density of the electrolyte and the gas such that the gas substantially flows in a direction distal to the second electrode.. .
|System and method of plating metal alloys by using galvanic technology|
The invention relates to a system and a method of plating metal alloys, as well as to the structures thus obtained. The system for plating metal alloys comprises an electrolytic cell containing an electrolytic solution (3) in which an anode (4,4a,4b), a cathode (5), and a plurality of metal components to be plated onto the cathode are immersed, the anode (4,4a,4b) and the cathode (5) being electrically connected to means (6) adapted to apply a potential difference between said anode (4,4a,4b) and said cathode (5).
|Augmenting cleaning chemicals|
Device, system and method for electrochemical generation of a liquid soap by electrolyzing a surfactant in an aqueous carrier in a cathode compartment of an electrolytic cell and electrolyzing an antimicrobial agent in an aqueous carrier in an anode compartment of the electrolytic cell with the compartments separated by a semipermeable membrane. Portions of the electrolyzed surfactant solution and portions of the electrolyzed antimicrobial solution are withdrawn from the cathode compartment and the anode compartment and combined to form the liquid soap.
|Systems and methods for preventing thermite reactions in electrolytic cells|
A method of monitoring an electrolytic cell including detecting information indicative of a thermite reaction, comparing the information indicative of a thermite reaction to a threshold, generating a thermite response signal according to the comparison, and reacting to the thermite response signal by adjusting the operation of the electrolytic cell.. .
|Electrolytic cell for generating chlorine in a pool|
Disclosed herein is an improved electrolytic cell. The cell includes at least one pair of electrodes, an anode and a cathode.
|Seal assemblies for cathode collector bars|
The cathode collector bar end portion extending through a window in a sidewall of an electrolytic cell for refining aluminum is snugly received in a central opening of a seal assembly. Such seal assembly maintains a hermetic seal preventing ingress of air through the sidewall window while permitting longitudinal (horizontal) movement of the collector bar and also movement in a vertical plane (side to side, or up and down, or diagonally) which can be caused by changing heat conditions inside the cell..
|Electrolysis device integrating rectifier|
An electrolysis device with a rectifier comprises: an electrolytic cell; a joint panel with a first surface joined to the electrolytic cell; an electrode module comprising a housing, a plurality of electrodes provided inside the housing, and an auxiliary panel joined to a second surface of the joint panel, the auxiliary panel having a first end installed in the electrolytic cell and a second end perpendicularly protruding from an external periphery of a second end of the housing; a rectifier module having a second side surface from which an electrode protrudes; an l-shaped panel joined to second surface of the joint panel and any side surface of the rectifier module; and a bus bar that connects the electrode of the electrode module to the electrode of the rectifier module.. .
|High carbon spent pot lining and methods of fueling a furnace with the same|
A method of creating and using a high-carbon spent pot lining (spl) as a fuel, including delining the high-carbon spent pot lining from an electrolytic cell and combusting the spl in a furnace.. .
|Electrolytic chlorinator control|
A control unit for a swimming pool electrolytic cell. The control unit includes a housing containing a logic module.
|Electrolytic cell having a laminated core of laminations which are stacked one on top of the other with recesses, and method for manufacturing and operating same|
An electrolytic cell, a method for manufacturing the cell, and a method of operating same. The electrolytic cell has at least two bipolar plates, at least one fluid inflow and outflow, as well as at least one laminated core arranged between the at least two bipolar plates.
|Inert electrodes with low voltage drop and methods of making the same|
An electrolytic cell anode, including an encasing conductive material configured to encase a dense conductive material and define the electrolytic cell anode, wherein the dense conductive material has an electrical conductivity greater than that of the encasing conductive material.. .
|Corrosion resistant current collector utilizing graphene film protective layer|
In general, in one aspect, a graphene film is used as a protective layer for current collectors in electrochemical energy conversion and storage devices. The graphene film inhibits passivation or corrosion of the underlying metals of the current collectors without adding additional weight or volume to the devices.
The present invention relates to an electrolytic cell, including: at least two electrodes, each electrode including: a first and a second surface; and a number of perforations arranged in a substantially uniform pattern; wherein the electrodes are positioned relative to each other such that: at least one surface of each electrode is opposed to a surface of the other electrode, and a gap is formed between the opposed surfaces of the electrodes; wherein the cell includes at least one electrically insulating layer positioned on the opposing surface of at least one electrode, the insulating layer including a number of perforations aligning with the perforations of the electrode on which it is positioned.. .
|Selective reductive electrowinning apparatus and method|
A method and electrochemical cell for recovery of metals is provided, where the electrochemical cell includes an anode disposed in an anodic chamber, a cathode disposed in a cathodic chamber, an ion-conducting separator disposed between the anode and the cathode to physically separate the anodic and cathodic chambers, a basic ph anolyte containing a sacrificial reductant disposed within the anodic chamber, an acidic ph catholyte containing metal ions disposed within the cathodic chamber, and an electrical connection between the anode and the cathode. The method includes applying a voltage or an electrical current to an electrolytic cell across the cathode and the anode and is sufficient to reduce the metal ions to form an elemental metal species at the cathode, and to oxidize the sacrificial reductant at the anode..
|Cover for electrolytic batteries|
Cover for electrolytic batteries, comprising a primary cover adapted to be fixed on a container of electrolytic cells and provided with a plurality of openings for filling with electrolyte for respective electrolytic cells of the container, the walls of the openings being crossed transversely by a common gas collection channel, the cover comprising at least one secondary cover which can be fixed on the upper face of the primary cover to cover the openings, the secondary cover comprising a plurality of caps, each one of the caps being provided with a radial expansion adapted to engage in a gas-tight manner on the wall of the respective opening between the common gas collection channel and the upper face of the primary cover, the caps being not accessible when the secondary cover is fixed on the upper face of the primary cover.. .
|Bipolar-electrode electrolytic cell|
The invention is a bipolar-electrode electrolytic cell (1) which includes a chassis (2), an electrode plate (3) and a plate-shape spacer (4) having a concavity (25) disposing the electrode plate (3), wherein an unit cell (c), which is formed by connecting a plurality of spacers (4) in which the electrode plate (3) is disposed on the concavity (25) so that one plate surface of the electrode plate (3) is directed to one direction, is disposed inside the chassis (2). The bipolar-electrode electrolytic cell (1) includes engaged portions (35, 50 and 51) which are provided on any one of the concavity (25) of the spacer (4) or the electrode plate (3) and engaging portions (10a and 10b) which are formed the other portion with respect to the one portion..
|Cover for electrolytic batteries with centralized degassing|
A cover for electrolytic batteries, comprising an upper face and a lower face and provided with a plurality of openings for filling with electrolyte for respective electrolytic cells of the container, each one of the openings being surrounded by a wall, the walls of the openings being crossed transversely by a common gas collection channel, which is connected to a seat for a frit, the seat of the frit being arranged on the upper face of the cover, laterally with respect to the common gas collection channel and on a plane which is comprised between the channel and the upper face of the cover.. .