Resumen de: US2023151502A1

The present invention relates to silver nanoclusters doped with rhodium hydride, a method of producing the same, and an electrochemical catalyst for hydrogen gas generation. The silver nanoclusters doped with rhodium hydride of the present invention have utility as an electrochemical catalyst, have a significantly low production cost compared to a platinum (Pt) catalyst according to the related art, and exhibit an effect of generating hydrogen gas equal to or greater than that of the Pt catalyst.

Resumen de: US2023151501A1

Methods and apparatus incorporating porous metallic electrodes for electrolytic conversion of carbon-containing ions are disclosed. A electrochemical cell has an anode, a porous metallic electrode which serves as a cathode, and an ion exchange membrane between the anode and the porous metallic electrode. Water dissociates into hydroxide ions and hydrogen ions at the ion exchange membrane. The hydroxide ions permeate towards the anode, and the hydrogen ions permeate towards the porous metallic electrode. A carbon-containing solution is supplied to the porous metallic electrode. The carbon-containing solution reacts with the hydrogen ions to form one or more carbon-containing intermediate products. One of the carbon-containing intermediate products participate in a reduction reaction at the porous metallic electrode to form one or more carbon-containing resulting products. In some embodiments, the carbon-containing solution comprises a solution containing bicarbonate. One application of the methods and apparatus is in the field of carbon capture.

Resumen de: US2023155214A1

An electrolyzer system and a fuel cell system that include hydrogen blowers configured to compress hydrogen streams generated by the systems. The electrolyzer system includes a steam generator configured to generate steam, a stack of solid oxide electrolyzer cells configured to generate a hydrogen stream using the steam received from the steam generator, a hydrogen blower configured to pressurize the hydrogen stream generated by the stack, and a hydrogen processor configured to compress the pressurized hydrogen stream.

Resumen de: EP4181241A1

An electrochemical power system is provided that generates an electromotive force (EMF) from the catalytic reaction of hydrogen to lower energy (hydrino) states providing direct conversion of the energy released from the hydrino reaction into electricity, the system comprising at least two components chosen from: H2O catalyst or a source of H2O catalyst; atomic hydrogen or a source of atomic hydrogen; reactants to form the H2O catalyst or source of H2O catalyst and atomic hydrogen or source of atomic hydrogen; and one or more reactants to initiate the catalysis of atomic hydrogen. The electrochemical power system for forming hydrinos and electricity can further comprise a cathode compartment comprising a cathode, an anode compartment comprising an anode, optionally a salt bridge, reactants that constitute hydrino reactants during cell operation with separate electron flow and ion mass transport, and a source of hydrogen. Due to oxidation-reduction cell half reactions, the hydrino-producing reaction mixture is constituted with the migration of electrons through an external circuit and ion mass transport through a separate path such as the electrolyte to complete an electrical circuit. A power source and hydride reactor is further provided that powers a power system comprising (i) a reaction cell for the catalysis of atomic hydrogen to form hydrinos, (ii) a chemical fuel mixture comprising at least two components chosen from: a source of H2O catalyst or H2O catalyst; a source o

Resumen de: CA3182094A1

Solid oxide electroyzer cell (SOEC) systems and methods that include a stack of electrolyzer cells configured to receive steam and generate a hydrogen and steam exhaust stream, and a steam recycle blower configured to recycle a portion of the hydrogen and steam exhaust stream back to the stack.

Resumen de: KR20230065766A

본 발명은 수소를 활용한 자가충전식 수소전기 오토바이에 관한 것으로서, 더욱 상세하게는 수소의 생산과 수소를 이용한 전기 발전을 자체적으로 수행하는 자가 충전 방식을 채택함으로써, 기존 배터리 충전 방식의 전기 오토바이에 비해 보다 장거리 운행이 가능하여 수시로 배터리를 충전해야 하는 불편함을 개선할 수 있고, 비용 절감 효과가 크며, 유해한 배출가스가 없는 수소를 활용하기 때문에 친환경적인 수소를 활용한 자가충전식 수소전기 오토바이에 관한 것이다.

Resumen de: CA3179072A1

ABSTRACT An electrolyzer system and a fuel cell system that include hydrogen blowers configured to compress hydrogen streams generated by the systems. The electrolyzer system includes a steam generator configured to generate steam, a stack of solid oxide electrolyzer cells configured to generate a hydrogen stream using the steam received from the steam generator, a hydrogen blower configured to pressurize the hydrogen stream generated by the stack, and a hydrogen processor configured to compress the pressurized hydrogen stream. Date Recue/Date Received 2022-1 0-1 2

Resumen de: KR20230065775A

마찰 전기를 이용한 수소 에너지 생성 장치 및 방법이 개시된다. 본 발명의 일 실시예에 따른 마찰 전기를 이용한 수소 에너지 생성 장치는 부도체 및 전극을 포함하여 부도체와 전극 간에 마찰을 발생시켜 기계적 운동 에너지를 생성하고 기계적 운동 에너지를 전기 에너지로 변환하기 위한 마찰 대전 장치; 및 마찰 대전 장치로부터 전달되어 인가되는 전기 에너지를 이용하여 물을 분해시켜 발생되는 수소 가스를 포집하여 수소 에너지를 생성하는 수소 에너지 생성기를 포함한다.

Resumen de: WO2023078496A1

The invention relates to a layer system (1) for coating of a substrate (2a) to form an electrode plate (2), comprising at least one coating (1a) of metal oxide, wherein the coating (1a) includes a homogeneous polycrystalline doped indium tin oxide layer, atop which is a polycrystalline doped indium tin oxide layer composed of a network of nanofibers (6), wherein the indium tin oxide is doped with at least one element from the group comprising carbon, nitrogen, boron, fluorine, hydrogen, phosphorus, sulfur, chlorine, bromine, aluminium, silicon, titanium, chromium, cobalt, nickel, copper, zirconium, niobium, molybdenum, silver, antimony, hafnium, tantalum, tungsten. The invention further relates to an electrode plate comprising such a layer system, to a process for production thereof, and to a fuel cell, an electrolyzer or a redox flow cell comprising at least one such electrode plate.

Resumen de: FI20216157A1

An electrolyzer system comprises electrolyzer elements (101) each comprising an electrolyzer stack (104) constituted by electrolysis cells. Furthermore, each electrolyzer element comprises a water inlet (106), a hydrogen separator tank (107) having a hydrogen outlet (108), an oxygen separator tank (109) having an oxygen outlet (110), and a channel system (111) for conducting electrolyte from the hydrogen separator tank and from the oxygen separator tank to the electrolyzer stack. The electrolyzer stacks of the electrolyzer elements are electrically connected to each other so that direct voltage of the electrolyzer system is a sum of direct voltages of the electrolyzer stacks of two or more of the electrolyzer elements. The water inlets, the hydrogen outlets, and the oxygen outlets of different ones of the electrolyzer elements are galvanically separated from each other. This enables the direct voltage of the electrolyzer system to have a desired value with low stray electric currents.

Resumen de: WO2023078584A1

The system (1) comprises a hydrogen source (19) and a nitrogen source (15). A hydrogen compression unit (2) compresses hydrogen from the hydrogen source (19). An ammonia synthesis unit (5) fluidly coupled to the hydrogen compression unit (2) and to the nitrogen source (19) compresses a hydrogen and nitrogen blend which is delivered to the ammonia synthesis unit (5). In use, a seal gas feed line (37) delivers compressed hydrogen to dry gas seals (35) of the hydrogen compressor and a separation gas feed line (20) delivers nitrogen to the at least one dry gas seal (35). The ammonia synthesis unit (5) is fluidly coupled to vents (45, 47) of the dry gas seals (35), to receive and process compressed hydrogen from the hydrogen compression unit (2), nitrogen from the nitrogen source (15) and gas venting from the dry gas seals (35).

Resumen de: AU2023202444A1

The system may comprise a Proton Exchange Membrane Fuel Cell (PEM FC) stack that is connected to and provides energy to a microgrid for back-up applications, is connected to and provides energy to a fast-charge battery electric vehicle station (BEV) for fast charging of Electric Vehicles (EVs) and is connected to and provides hydrogen to a hydrogen dispenser for fueling Fuel Cell Vehicles (FCVs). Utilizing an integrated forecourt to support several different energy delivery applications and technologies may result in improved overall project economics and may accelerate the transition to a low/zero carbon economy for transportation and stationary back-up power.

Resumen de: US2023147136A1

A process and system for generating hydrogen gas are described, in which water is electrolyzed to generate hydrogen and oxygen, and a feedstock including oxygenate(s) and/or hydrocarbon(s), is non-autothermally catalytically oxidatively reformed with oxygen to generate hydrogen. The hydrogen generation system in a specific implementation includes an electrolyzer arranged to receive water and to generate hydrogen and oxygen therefrom, and a non-autothermal segmented adiabatic reactor containing non-autothermal oxidative reforming catalyst, arranged to receive the feedstock, water, and electrolyzer-generated oxygen, for non-autothermal catalytic oxidative reforming reaction to produce hydrogen. The hydrogen generation process and system are particularly advantageous for using bioethanol to produce green hydrogen.

Resumen de: US2023147457A1

A wide-area power supply system has a small impact on the environment and is highly economical, as a wide-area power supply network that uses hydrogen energy without requiring conventional transmission towers, etc., the wide-area power supply system comprising: a primary power plant; a hydrogen production facility which produces hydrogen by using electricity from the primary power plant; a primary hydrogen storage facility distributed over a wide area; a secondary hydrogen storage facility distributed for each primary hydrogen storage facility; a regional power grid which sends power to power consuming facilities or dwelling units within a residential area; a secondary power generation facility which is installed within the residential area and converts hydrogen transported via the primary hydrogen storage facility or the secondary hydrogen storage facility into electric power; and a transportation means such as a trailer for transporting hydrogen between the hydrogen production facility and the primary hydrogen storage facility, between the primary hydrogen storage facility and the secondary hydrogen storage facility, and between the primary hydrogen storage facility or the secondary hydrogen storage facility and the secondary power generation facility.

Resumen de: CA3178532A1

The present disclosure provides a dual-catalyst system and method for producing hydrogen by electrochemically degrading a biomass-refining organic waste, which includes firstly carrying out solid-liquid separation on the biomass-refining organic waste and grading according to concentration; then reacting the organic waste with a cocatalyst and a redox mediator, wherein the redox mediator receives an electron from degrading the organic waste to form a low-valence redox mediator; feeding the reaction solution into an electrolytic cell for electrolysis, so that the low-valence redox mediator is subjected to oxidation regeneration on an anode, meanwhile hydrogen is generated in a cathode area, and regenerated liquid in an anode area is returned to a degradation system for circulation. In the present disclosure, by employing the "dual-catalyst" system consisting of the redox mediator and the cocatalyst, high-purity hydrogen can be produced by electrochemically degrading the biomass-refining organic waste, wherein the electric energy consumption per unit of produced hydrogen is saved by about 50% compared with that of electrolyzing water under the same condition.

Resumen de: WO2023080794A1

A device has been described to produce DC electricity and water with supplied hydrogen and oxygen. The device includes at least one bipolar cell pack (54) aligned with several cells, each with its own electrolytic membrane (4) in contact on each side with catalytic electrodes (16). The at least one bipolar cell pack (54) is designed as a hollow cylinder, and the device further includes a rotational device (43) aimed at rotating the cell pack, brushes (40) that put the electrodes in contact with a joined circuit, as water is produced in the cells and ejected from the cells and discharged via channels (20, 21, 56, 57, 27) to outlet (23, 24) via a gland-box (68).

Resumen de: WO2023077202A1

An apparatus for electrolysing seawater is disclosed. In one embodiment, the apparatus comprises diaphragm-less electrolytic cells comprising an anode and a cathode. The anode comprises a plurality of anode cells in series and the cathode comprises a plurality of cathode cells in series to control the cell voltage and substantially prevent the production of oxygen and chlorine in the cells while hydrogen is being produced. Also disclosed is a membrane type Unipolar electrolytic cell when used to process alkaline seawater to produce twice the hydrogen and oxygen compared to a conventional electrolysis of seawater.

Resumen de: US2023143168A1

This invention is a direct coupling device (31) to generate hydrogen from concentrated sunlight comprised of a solar concentrator (32) and a water electrolyser (33) where the solar concentrator (32) is comprised of an optical concentration element (15), adjacent to a number of photovoltaic cells (14) coupled to a heat exchanger (13) and the water electrolyser (33) comprised of a proton exchange membrane (2) in which the membrane is comprised of a number of individualized anode zones (6) and cathodic zones (12) coated with a catalyst, a number of cathode single-polar plates (3) and a number of anode single-polar plates (5), a number of regeneration electrodes (1), a number of floating flow guide plates (7), a number of elastic compression elements (8) and a casing consisting of an upper (9) and a lower (10) part.

Resumen de: US2023141308A1

An embodiment of the present disclosure relates to a hydrogen supply system including a water electrolysis stack configured to produce hydrogen by electrochemically decomposing water, and a metal hydride compressor connected to the water electrolysis stack and configured to treat the hydrogen before supplying the hydrogen to a supply destination, thereby obtaining an advantageous effect of simplifying a structure and improving spatial utilization and a degree of design freedom.

Resumen de: US2023143022A1

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

Resumen de: US2023142620A1

The techniques described herein relate to methods for the synthesis of ammonia from nitrogen and hydrogen, the methods including use of plasma, such as a microjet plasma, in a first reaction chamber to generate a vibrationally exited nitrogen atom or nitrogen containing molecule, optionally wherein the excited nitrogen atom or molecule is reacted with hydrogen in an aqueous medium, optionally wherein the medium is then recycled to remove soluble products. A system for carrying out such methods is also provided.

Resumen de: WO2023079234A1

The invention relates to a method for producing hydrogen by electrochemically reforming an alcohol. This method comprises electrolyzing alcohol in an electrolytic cell comprising an anode, an electrolyte and a cathode, and is characterized in that at least part of the outer surface of the anode comprises one or more radioactive platinoids selected from among palladium, ruthenium and rhodium, these one or more radioactive platinoids being derived from an acidic aqueous solution containing fission products from a spent nuclear fuel.

Resumen de: WO2023075321A1

A marine hydrogen charging station according to one embodiment of the present invention comprises: a wind power generation unit provided on a buoyant body floating on the sea and generating electricity by using wind power; an electrolysis unit for electrolyzing seawater by using the electricity generated from the wind power generation unit; and a hydrogen storage unit for storing hydrogen generated from the electrolysis unit.

Resumen de: EP4177379A1

The invention relates to a new kind of electrocatalyst to be incorporated as part of the electrodes, anode and cathode, in water electrolysers aimed for hydrogen production through the electrochemical splitting of water into oxygen and hydrogen. The electrocatalyst is characterized by a layered and porous structure that provides a high performance towards the oxygen evolution reaction in the absence of added ionomer. The object of the invention is framed in the field of energy.

Resumen de: EP4177380A2

To provide a technique that achieves improvement of the performance of outputting a substance generated in a catalyst layer.A membrane electrode assembly includes an electrolyte membrane, and an anode catalyst layer 21 formed on one surface of the electrolyte membrane. The anode catalyst layer 21 includes a catalyst particle 51, an ionomer 52, and a water-repellent particle 53. The water-repellent particle 53 is a ceramic particle with a fluorine group or a metallic particle with a fluorine group. Adding the water-repellent particle 53 achieves improvement of the performance of outputting a substance generated in the anode catalyst layer 21.