Absstract of: WO2024155894A2
The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.
Absstract of: WO2024155881A1
A method of electrocatalytic dual hydrogenation includes loading a first hydrogenation solution and a second hydrogenation solution into a first hydrogenation compartment and a second hydrogenation compartment of an electrocatalytic hydrogenation assembly, in which the first hydrogenation compartment and the second hydrogenation compartment are separated from an electrochemical cell by a hydrogen-permeable anode and a hydrogen-permeable cathode. The method includes applying and maintaining a voltage to the electrochemical cell to reduce a cathode solution and to oxidize an anode solution to provide hydrogen in the cathodic compartment and/or the anodic compartment. The hydrogen may be absorbed through the hydrogen-permeable anode and/or the hydrogen-permeable cathode and hydrogenate an unsaturated substrate in the first hydrogenation solution and/or the second hydrogenation solution. The method includes producing a first hydrogenated product and a second hydrogenated product with a total Faradic efficiency from 150% to 200%.
Absstract of: WO2024155843A1
Method and system for generating a gas mixture. The gas mixture may be, for example, a hydrogen-oxygen or hydrogen-air gas mixture, and may be used for topical or inspired therapeutic applications. In one embodiment, the system may include a water electrolyzer combined with an oxygen humidifier reservoir such that hydrogen produced at the cathode of the water electrolyzer mixes directly with oxygen gas that has been introduced into the oxygen humidifier reservoir, for example, by sparging. In another embodiment, the cathode manifold of the water electrolyzer may be plumbed in series with a pump and the oxygen humidifier reservoir such that hydrogen-entrained water may be mixed with oxygen that has been delivered, for example, via sparging, to the oxygen humidifier reservoir. In an exemplary application, the system may be incorporated into a ventilator circuit and may provide a breathing gas mixture containing hydrogen to treat ischemia/reperfusion injury of brain tissue.
Absstract of: WO2024155125A1
The present invention relates to a catalyst for an ammonia decomposition reaction, a method for preparing same, and a method for producing hydrogen by using same. More specifically, the present invention relates to a method for preparing a catalyst for an ammonia decomposition reaction, which economically and efficiently supports highly active ruthenium on a lanthanum-cerium composite oxide support, thereby preparing a catalyst that exhibits a higher ammonia conversion rate than conventional catalysts for an ammonia decomposition reaction, to a catalyst for an ammonia decomposition reaction prepared by the same method, and a method for producing hydrogen by using the same.
Absstract of: WO2024154673A1
In this water electrolysis system, an alternating current (AC)-side connection end of a power converter is connected to an AC power system, at least one electrolytic stack and a series circuit configured by connecting the at least one electrolytic stack to a circuit breaker is connected to a direct current (DC)-side connection end of the power converter, before disconnecting the electrolytic stack from the series circuit, a controller reduces the power flowing to the DC-side connection end while controlling the speed at which the power converter reduces the power flowing to the DC-side connection end to a speed at which a difference from the reference value of the voltage amplitude of the AC power system is less than a predetermined value, and when the circuit breaker reaches a power sufficient to disconnect the internal DC circuit, the controller disconnects the circuit breaker connected to the DC circuit to disconnect the electrolytic stack from the series circuit.
Absstract of: WO2024153019A1
A method for preparing methane from carbon dioxide by utilizing offshore wind power, comprising the following steps: 1) concentrating and separating carbon dioxide-rich natural gas extracted by a deep-sea offshore platform, and dividing the natural gas into a methane-rich stream and a carbon dioxide-rich stream; 2) after subjecting the carbon dioxide-rich stream to desulfurization and denitrification, performing heat exchange with a process gas of a methanation unit, and then mixing the stream with a by-product, superheated steam, produced by the methanation unit; 3) after mixing carbon dioxide with the by-product, superheated steam, produced by the methanation unit, performing heat exchange with an outlet gas of a high-temperature fuel cell, and after electric heating, the mixture entering a high-temperature fuel cell co-electrolysis unit for electrolysis to obtain a mixture of hydrogen and carbon monoxide; and 4) after subjecting the mixture to heat exchange with an inlet raw material gas of the high-temperature fuel cell and pressurizing same, the mixture entering the methanation unit to be subjected to a methanation reaction of 2-5 stages of series-parallel connection to prepare and obtain methane gas. The method is simple and convenient to operate, and can recycle carbon dioxide from the development of deep-sea oil and gas fields.
Absstract of: WO2024152782A1
A hydrogen generating device having an extractable filtering structure, comprising a water tank, an electrolytic cell arranged in the water tank, a filtering flow channel device coupled to the water tank, a humidifier vertically stacked above the water tank, an integrated flow channel device vertically stacked above the humidifier, and a condenser arranged above the integrated flow channel device. The water tank is used for containing electrolysis water; the electrolytic cell electrolyzes the electrolysis water to generate hydrogen-containing gas; the humidifier is provided with a humidifying chamber and a gas transmission passage, the humidifying chamber and the gas transmission passage being isolated from each other; the filtering flow channel device is arranged in the gas transmission passage and used for filtering the hydrogen-containing gas generated by the electrolytic cell; the condenser is used for receiving and condensing the hydrogen-containing gas output by the filtering flow channel device; the integrated flow channel device comprises a gas inflow flow channel, which is used for introducing the hydrogen-containing gas output by the condenser to the humidifying chamber. Therefore, the present invention improves the convenience and the mounting efficiency, and can effectively increase the condensation and filtering efficiency.
Absstract of: US2024250314A1
An electrochemical system is provided including a Pt electrode and a water-in-salt electrolyte solution and induces a redox reaction of hydrogen gas by applying a negative potential to the Pt electrode, wherein the water-in-salt electrolyte solution includes an aqueous solvent and an salt, wherein the salt includes lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), lithium trifluoromethane sulfonate (LiOTf), lithium bis(fluorosulfonyl)imide (LiFSI), lithium bis(pentafluoroethane sulfonyl)imide (LiBETI), or a combination thereof, and a molal concentration of the water-in-salt electrolyte is 5 m to 50 m, to suppress formation of hydrogen gas bubbles on the Pt electrode to which the negative potential is applied.
Absstract of: US2024247388A1
A method for preparing a reduction catalyst for water electrolysis using protective coating; a reduction electrode for alkaline water electrolysis comprising a reduction catalyst prepared thereby, and an alkaline water electrolysis system are disclosed. The method for preparing a reduction catalyst for water electrolysis applies a protective coating method and suppresses the growth of alloy particles in a subsequent high-temperature heat treatment step, and, thus, can prepare and provide a catalyst with a high alloying degree. As a result, a non-novel metal alloy catalyst prepared according to the method of the present invention has excellent catalytic characteristics by exhibiting hydrogen evolution reaction (HER) performance similar to that of platinum, which is a noble metal catalyst.
Absstract of: US2024247383A1
A series of cells for use in an electrochemical device, such as an electrochemical cell or battery, that can operate in a single bulk electrolyte solution shared among the cells. Methods of producing hydrogen or both hydrogen and electricity in appreciable quantities and in various ratios, and vehicles or other devices and applications powered by electrochemical devices comprising the series.
Absstract of: US2024247389A1
A separator for an electrochemical device, including: a porous carrier having two, respectively a first and a second, largest parallel sides separated by a thickness, and a hydrogel, made of a first metal oxide and an aqueous medium, present within the first of both largest sides and in at least part of the thickness.
Absstract of: US2024247381A1
A water electrolysis apparatus includes: a power source; an electrolytic solution; a first tank immersed in the electrolytic solution and including a positive electrode connected to the power source, a supply opening and a discharge opening for H2O, and an O2 gas extraction opening; and a second tank immersed in the electrolytic solution and including a negative electrode connected to the power source, a supply opening and a discharge opening for H2O, and an H2 gas extraction opening. O2 gas is extracted from the first tank, and H2 gas is extracted from the second tank, by the power source maintaining voltage such that the potential of the positive electrode is higher than the potential of the negative electrode.
Absstract of: US2024247380A1
A hydrogen production system according to the present invention can reduce the power consumed for hydrogen production, has no consumption of cell potential, and can produce hydrogen even by spontaneous reaction to show high hydrogen production efficiency. Furthermore, a composite electrode separator according to the present invention is configured such that an electrode part, a gas-liquid diffusion layer, and a separation plate as a plurality of parts are integrated into one element while the hydrogen production system is included in the electrode part, so that the application of the composite electrode separator to a stack can reduce the number of parts applied to the stack to simplify stack assembling and reduce the stack volume and can increase the operation current density due to a reduction in electrolyte resistance, thereby enabling high-efficiency and high-current driving. Furthermore, a composite hydrogen production stack according to the present invention can not only produce hydrogen gas and electric power together or produce only electric power by adjusting the amount of oxygen, but also produce only hydrogen gas through ammonia water electrolysis. Furthermore, an ammonia fuel cell according to the present invention, by using ammonia as fuel, is an eco-friendly energy source and relatively easy to supply as fuel, has a narrower explosion range than hydrogen, can be liquefied at a low pressure to be easy to store and transport, facilitates leakage detection due to t
Absstract of: US2024247202A1
A process for preparing synthetic hydrocarbons from a biomass feedstock is provided. The process involves electrolysis of steam and/or CO2, optionally along with a refinery gas in a high temperature co-electrolyzer (HTCE) to produce oxygen and hydrogen and/or enhanced hydrogen rich syngas. The oxygen generated via the electrolysis process is used for partial oxidation of a biomass feedstock in a gasifier to generate a hydrogen lean syngas. The hydrogen lean syngas is mixed with at least a portion of the hydrogen and/or enhanced hydrogen rich syngas generated via the high temperature electrolysis/co-electrolysis to formulate a hydrogen rich syngas. The hydrogen rich syngas is then reacted in a Fischer Tropsch (FT) reactor to produce synthetic hydrocarbons and refinery gas.
Absstract of: US2024247201A1
The present disclosure relates to a method of generating high-purity hydrogen from waste plastic without producing carbon dioxide. In the method of generating hydrogen according to the embodiments of the present disclosure, reactants include hydroxide, and thus, the amount and purity of the generated hydrogen increases, a reaction temperature suitable for reaching an appropriate hydrogen production rate is lowered, and the amount of generated carbon dioxide is significantly decreased.
Absstract of: US2024246888A1
An integrated apparatus for hydrogenating olefins wherein the hydrogen stream is generated from the electrolysis of water is described. Water is derived from a first reaction step wherein a first feed stream comprising oxygenated hydrocarbons is reacted to produce a first reacted product stream comprising olefins and a second reacted product stream comprising water. The second reacted product stream is electrolyzed to produce an electrolyzer product stream comprising hydrogen. Hydrogen is used to hydrogenate olefins. A paraffin stream can be obtained from the hydrogenated effluent.
Absstract of: US2024246885A1
A hydrocarbon is produced by applying mechanical energy to a metal body containing stainless steel by solid-solid contact so that a contact pressure per unit area is 30 kPa or more, in the presence of a gas containing carbon dioxide and a hydrogen source, thereby adding hydrogen to carbon dioxide. Further, a hydrocarbon is produced by providing a reaction vessel for applying mechanical energy to a metal body by solid-solid contact in the presence of a gas containing carbon dioxide and a hydrogen source, a gas introduction unit for introducing the gas containing carbon dioxide to the reaction vessel, a hydrogen source introduction unit for introducing the hydrogen source to the reaction vessel, and a gas discharge unit for discharging a gas containing the hydrocarbon produced in the reaction vessel, and adding hydrogen to the carbon dioxide in the reaction vessel.
Absstract of: US2024246029A1
This method pertains to mineral carbonization with the objectives of conserving water, decreasing the expenses associated with CO2 capture and permanent sequestration, generating carbon-negative electricity on-demand, and producing weathered aggregates, all while mitigating air and water pollution. The method primarily involves the recirculation of treated ‘second solution’ to create a ‘first solution,’ and the utilization of a ‘third solution’ in an electrolysis process to generate hydrogen and oxygen.
Absstract of: JP2023175940A
To provide an ingestible device capable of delivering a dispensable substance such as a therapeutic agent, to the inside of a GI tract of a subject.SOLUTION: An ingestible device 4500 capable of delivering a dispensable substance, such as a therapeutic agent, and related component, system, and method are disclosed. A removably attachable storage reservoir 4505 configured to be used with the ingestible device and capable of storing a dispensable substance such as a therapeutic agent, and related component, system, and method are also disclosed.SELECTED DRAWING: Figure 45
Absstract of: DK202201063A1
A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Absstract of: WO2024153322A1
A hydrogen plant (1) comprising - an electrolysis unit (10) having a hydrogen outlet (11) and an oxygen outlet (12); and - at least one turboexpander unit (20) connected to the oxygen outlet (12); wherein the at least one turboexpander unit (20) is connected to power a unit of the hydrogen producing plant (1) through a mechanical drive (30) directly connected to an output shaft of the turboexpander (20).
Absstract of: CN117729966A
The present invention provides methods for producing and/or purifying hydrogen iodide (HI), including methods of removing an iodine-containing substance from a mixture comprising at least one iodine-containing substance and hydrogen iodide, and methods of removing elemental iodine and hydrogen triiodide from a mixture comprising at least one iodine-containing substance and hydrogen iodide.
Absstract of: AU2022342755A1
An electrolyzer electrocatalyst, comprising Cobalt (Co) oxide, Zirconium (Zr) and a noble metal, an electrode for use in an electrolyzer, the electrode comprising a support and a coating comprising said electrocatalyst, an electrochemical system comprising an electrolyser, the electrolyser having an electrode comprising said electrocatalyst, the use of said electrocatalyst for catalysing an electrolysis process, a method for electrolysing water using said electrocatalyst and a method for producing an electrode comprising said electrocatalyst.
Absstract of: CA3230993A1
A plant (1) for producing hydrogen from scission of methane molecules with production of carbon dust comprises a reactor (2) having an inner chamber (3) delimited by a holding wall (8), wherein said reactor (2) comprises: an inlet opening (4) for feeding methane (CH4), an outlet opening (5) for allowing hydrogen (H2) in gaseous form to flow out, a discharge opening (6) for discharging carbon dust (C) from said inner chamber (3) through a sealing rotary valve (7), a refractory lining (20), and electromagnetic induction heating means (9) for heating the inner chamber (3) of said reactor (2).
Nº publicación: EP4403672A2 24/07/2024
Applicant:
TOYOTA MOTOR CO LTD [JP]
TOYOTA JIDOSHA KABUSHIKI KAISHA
Absstract of: EP4403672A2
A water electrolysis device (10) is configured to obtain hydrogen and oxygen by performing electrolysis of water with a plurality of water electrolysis cells. The water electrolysis device (10) includes a water electrolysis stack (20) that includes the water electrolysis cells (21), a water supply side passage (30) including first piping through which water supplied to the water electrolysis stack (20) flows, and second piping, a hydrogen side passage (40) through which hydrogen generated in the water electrolysis stack (20) flows, a gas-liquid separator (32) that is provided in the water supply side passage (30) and that is configured to perform gas-liquid separation of a fluid containing oxygen and water discharged from the water electrolysis stack (20), and a hydrogen combustion member (34) that contains a hydrogen combustion catalyst and that is disposed on an inner side of the second piping. The second piping connects the water electrolysis stack (20) and the gas-liquid separator (32).