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SYSTEM AND METHOD FOR HYDROGEN STORAGE AND RELEASE

Resumen de: US20260209975A1

0000 The present invention provides a system and method for managing hydrogen storage and release, utilizing hydrogen carrier fluid (HCF) and undivided electrochemical reactors (i.e. not containing ion exchange membranes) to achieve hydrogenation/dehydrogenation of HCF.

ALLOY CATALYST AND METHOD FOR PREPARING THE SAME

Resumen de: US20260209969A1

0000 An alloy catalyst, comprising 0.01 wt % to 30.0 wt % of Zn, 50.0 wt % to 99.9 wt % of other metals, and 0.0 wt % to 20.0 wt % of noble metals, wherein the other metals comprise at least one metal selected from a group consisting of Ni, Fe, Mo, and Co. The alloy catalyst features a porous structure formed through dealloying. The alloy catalyst of the present disclosure exhibits low overpotential, low Tafel slope, and high stability.

METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM, RELATED CONTROLLER, POWER SUPPLY AND ELECTROLYZER SYSTEM

Resumen de: US20260209964A1

An electrolysis system has an electrolyzer, an on-load tap changing transformer, and at least two line-commutated converters, preferably IGBT converters. The on-load tap changing transformer receives an electrical power from an electrical power source and provides an electrical power output to the line-commutated converters. The line-commutated converters are electrically connected in parallel between the on-load tap changing transformer on a AC side and an electrolyzer on a DC side and convert the electrical power output into an electrical power input for the electrolyzer. The converters are connected to the same transformer AC bus. In a ramping phase of the electrolyzer a voltage of the power input is adjusted by only one of the parallel-connected converters to a tap changing voltage and the other converter stays in a stand-by mode. There are also described power supply, a controller, computer program and a related electrolyzer system.

ELECTROLYSIS CELL

Resumen de: WO2026154223A1

The invention relates to an electrolysis cell, which includes a spacer (50) that is configured to support a separator, extends between a first and a second face (51, 52), and comprises: an inlet (7) and an outlet (8) configured to allow water to circulate within the electrolysis cell; a recess (9) which is intended to be occupied by the separator and is in fluid communication with the inlet and the outlet; a first primary groove (10) which is formed in a thickness of the spacer, opens onto the first face and extends around the recess, the inlet, and the outlet, to accommodate a first sealing member; a first secondary groove (60) which is formed in a thickness of the spacer, opens onto the first face and extends around the first primary groove to accommodate a first sealing device; and a through-hole (70) between the first and the second face, which through-hole is arranged between the first primary and secondary grooves.

DEVICE FOR HYDROGEN PRODUCTION

Resumen de: WO2026154256A1

The invention provides a hydrogen production device for producing hydrogen gas from ammonia, comprising: an outer chamber comprising an outer chamber wall, one or more inner chambers disposed at least partially within the outer chamber, each of the one or more inner chambers comprising a first inner chamber wall and a second inner chamber wall defining an inner subchamber having an inner subchamber internal volume, each second inner chamber wall comprising one or more fins extending therefrom into the inner subchamber, each inner subchamber comprising ammonia decomposition catalyst and having one or more ammonia gas inlets and one or more raw cracked gas outlets, wherein each of the one or more inner chambers has an internal surface area defined as the inner subchamber internal volume facing surface of the second inner chamber wall and the inner subchamber internal volume facing surface of each of the one or more fins; wherein the ratio of the internal surface area in mm2 to the inner subchamber internal volume in mm3 is between approximately 1:2 and 1:6. Also provided are systems comprising said device.

power and hot water supply system with a modular and mobile structure

Resumen de: KR20260114651A

0001a 본 발명은, 전해조; 상기 전해조로부터 생성된 수소를 저장하는 수소 저장부; 상기 수소 저장부에 저장된 수소를 전달받아 전기 에너지를 발생 및 공급하는 수소 연료전지; 및 상기 전해조에서 사용된 물을 전달받아 외부로 공급하는 온수탱크;를 포함하며, 상기 전해조는, 수소발생량, 수소압력, 전류밀도, 반응면적, 셀수, 셀 간 거리는, 각각, 7Nm3/hr, 40barg, 2.0A/cm2, 1000cm2, 10cell, 10cm 인 고압 수전해 스택(stack)을 포함하는 것을 특징으로 한다.

METHOD FOR PRODUCING A CATALYST FOR AMMONIA OXIDATIVE DECOMPOSITION CATALYST FOR AMMONIA OXIDATIVE DECOMPOSITION AND AMMONIA OXIDATIVE DECOMPOSITION PROCESS

Resumen de: KR20260114906A

본 발명은 암모니아 산화 분해용 촉매의 제조방법, 암모니아 산화 분해용 촉매 및 암모니아 산화 분해 공정에 관한 것으로, 본 발명에 따른 암모니아 산화 분해용 촉매의 제조방법은, 알루미나에 루테늄을 담지하여 담체를 획득하는 단계; 상기 담체를 건조하는 단계; 상기 건조한 담체를 열처리하는 단계; 상기 열처리한 담체에 지르코늄을 담지하여 혼합 담체를 획득하는 단계; 상기 혼합 담체를 건조하는 단계; 상기 건조한 혼합 담체를 열처리하는 단계; 및 상기 열처리한 혼합 담체를 환원하는 단계;를 포함한다.

Nickel-supported alumina catalyst with excellent ammonia decomposition activity and method for producing the same

Resumen de: KR20260114640A

0001a 본 발명은, 암모니아 분해 활성이 우수한 니켈 담지형 알루미나 촉매 및 이의 제조방법에 관한 것으로, 더욱 상세하게는 낮은 온도에서 암모니아를 수소와 질소로 분해가 우수한 암모니아 분해 활성이 우수한 니켈 담지형 알루미나 촉매 및 이의 제조방법에 관한 것이다.

TITANIUM POROUS BODY AND METHOD FOR PRODUCING HYDROGEN

Resumen de: AU2024424628A1

This titanium porous body is in the form of a sheet. In the titanium porous body, the maximum height Rz of at least one surface is 5 μm or less, the irreversible deformation amount during pressure application at 100 MPa is 0.2% or less, and the thickness is 500 μm or less.

ELECTROLYTIC CELL AND ELECTROLYTIC APPARATUS

Resumen de: US20260209962A1

An electrolysis cell includes: a first separator including a first surface; a second separator including a second surface facing the first surface; an ion-exchange membrane; a first power feeder disposed between the first separator and the ion-exchange membrane; a first catalyst layer disposed between the first power feeder and the ion-exchange membrane; a second power feeder disposed between the second separator and the ion-exchange membrane; a second catalyst layer disposed between the second power feeder and the ion-exchange membrane; and a flow direction changing part provided as a part of the first separator or disposed between the first separator and the first power feeder, the flow direction changing part changing a flow direction of at least a portion of an electrolyte flowing along the first surface in a first direction to a second direction intersecting the first surface at each of a plurality of positions in the first direction.

ENERGY OPTIMIZATION HEAT PUMP SYSTEM AND METHOD FOR HYDROGEN PRODUCTION BY WATER ELECTROLYSIS WITH LOW PRESSURE RATIO

Resumen de: US20260210593A1

The present disclosure belongs to the technical field of hydrogen production by water electrolysis, and relates to an energy optimization heat pump system and method for hydrogen production by water electrolysis with low-pressure ratio. It includes a hydrogen oxygen gas-liquid separation unit, a heat pump compressor, and an expander. The hydrogen oxygen gas-liquid separation unit is connected to the hydrogen dryer through a hydrogen cooler. The hydrogen oxygen gas-liquid separation unit is connected to the heat pump absorber through a circulating cooling water pipeline, the hydrogen cooler is connected to the refrigerator through a refrigerant pipeline, and the hydrogen dryer is connected to the steam generator through a hot water pipeline and a steam pipeline respectively. The present disclosure is conducive to reducing the pressure ratio of the heat pump compressor, enriching the selection range of heat pump working fluids, and improving the energy utilization rate of the system.

CHEMICAL LOOPING CYCLE-BASED MEMBRANE-FREE WATER ELECTROLYZER FOR HYDROGEN PRODUCTION, AND OPERATING METHOD

Resumen de: WO2026152806A1

A chemical looping cycle-based membrane-free water electrolyzer for hydrogen production, and an operating method thereof. The electrolyzer comprises a first end plate and a second end plate separately connected to an external power supply. At least one bipolar plate is arranged between the two end plates. Electrolysis chambers are formed between the two end plates and the bipolar plate and between every two adjacent bipolar plates. A functional assembly is provided in each electrolysis chamber. The functional assembly comprises a bifunctional electrode, a porous partition plate, and an oxygen carrier electrode which are sequentially attached. The bifunctional electrode and the oxygen carrier electrode are used in combination to implement hydrogen evolution and oxygen evolution under different working conditions, accommodating power fluctuations and intermittency of renewable energy and exhibiting the potential of application to off-grid hydrogen production. The operating method comprises implementing stepwise or continuous production of hydrogen and oxygen under different working conditions by means of synergistic energy supply of a temperature field and an electric field.

WATER ELECTROLYSIS CELL FOR USE IN WATER ELECTROLYSIS APPARATUS, AND WATER ELECTROLYSIS APPARATUS

Resumen de: US20260209954A1

0000 A water electrolysis cell for use in a water electrolysis apparatus that electrolyzes water when irradiated with light to generate hydrogen includes a laminate including an anode electrode, a perovskite battery cell, and a cathode electrode laminated in this order, and an electrically insulating protective material that covers the outer periphery of the laminate.

HYDROGEN INFUSED DRINKING SYSTEM

Resumen de: WO2026154283A2

A drinking container is disclosed having a hydrogen-generation compartment isolated from a drinking-fluid chamber. Hydrogen gas accumulates until a threshold pressure opens a one-way valve, releasing the gas into the chamber while preventing backflow of liquid. In some embodiments, the gas passes through an intermediate chamber and porous mesh to form fine bubbles for dissolution. Mixing assemblies, magnetic impellers, oxygen vents, and controlled power delivery may be incorporated to enhance infusion efficiency, user control, and system safety.

ELECTROLYZER OPERATION BASED ON PRESSURE CONTROL AND SYSTEM LEVEL RECYCLE BLOWER FOR MULTIPLE HYDROGEN GENERATION MODULES

Resumen de: US20260209955A1

0000 A method of operating an electrolyzer system includes providing steam to a plurality of hydrogen generation modules (HGMs), each containing at least one electrolyzer cell stack or column of stacks, electrolyzing the steam in the plurality of HGMs to generate hydrogen and oxygen, supplying at least a first portion of a hydrogen-containing product feed from the plurality of HGMs to a recycling conduit, and recycling at least a first portion of the hydrogen-containing product feed to the plurality of HGMs.

Thermal power plant cogeneration facility, with an electrical energy conversion system (ECS) and a water electrolysis system (HTE) for the co-production of hydrogen and electricity with modulation of electricity production

Resumen de: US20260209965A1

Using optimal indirect thermal coupling between a thermal power plant and a hydrogen production unit by high-temperature electrolysis via a withdrawal branch connection made in a fluid branch of the power plant's thermodynamic conversion cycle to install, on the one hand, a thermal storage tank to provide the heat necessary to preheat the steam intended for the cathodes of the HTE unit and, on the other hand, a pneumatic and thermal storage tank to supply pressurized hot air to the anodes.

CARBON OXIDE REDUCTION

Resumen de: WO2026156297A1

Electrochemical devices and associated methods are disclosed for reacting carbon oxides. These devices may include an ion exchange membrane, a cathode, a copper catalyst located on the cathode, a cathodic solution in contact with the ion exchange membrane and the cathode, an anode, a second catalyst located on the anode, an anodic solution, and a cathodic gas in contact with the cathodic solution. The cathodic gas may include hydrogen, ethylene, and an oxide of carbon. The cathode may be configured as a gas diffusion electrode.

METALLIC NANOFOAM ELECTROCHEMICAL CATALYSTS AND RELATED METHODS OF MAKING AND USING

Resumen de: WO2026155798A2

Catalyst compositions, methods of making a bimetallic nanofoam catalyst composition, and methods of catalyzing a reaction are described. In an example, the catalyst comprises a nanofoam comprising plurality of intertwined nanowires comprising two or more metals. In an example, the nanofoam comprises a three-dimensional interconnected nanonetwork comprising the plurality of intertwined nanowires. In an example, the nanofoam is an aerogel comprising the plurality of intertwined nanowires. In an example, the nanofoam is self-supported, such as where the catalyst composition does not comprise a substrate supporting the nanofoam.

WATER ELECTROLYSIS SYSTEM

Resumen de: US20260209974A1

In a water electrolysis system, second current collectors of a plurality of water electrolysis cells each include a cut into which a gas generated in a second electrode catalyst layer flows and which communicates with a gas outlet path and canresonate a sound. The water electrolysis system includes a sound output device that outputs a sound to the gas outlet path, and a sound detection device that detects a resonant sound generated by resonation, in the cut, of the sound propagated from the sound output device to the cut via the gas outlet path. In the plurality of water electrolysis cells, the resonant frequencies of thesound in the cuts are different from each other.

SYSTEMS AND METHODS FOR STEEL PRODUCTION

Resumen de: US20260209872A1

0000 The present disclosure relates, according to some embodiments to a method for steel production, the method comprising forming a hydrogen and a carbon from a natural gas using thermal plasma electrolysis; reducing iron ore fines with the H<2> to form an iron briquette; melting the briquette iron from the furnace to form a melted iron and melted non-metallic slag; separating the non-metallic slag from the melted iron in the furnace; combining the carbon and the melted iron in a furnace to form a carbon black and iron mixture; and alloying the melted iron with the carbon black to form a steel.

HYDROGEN DRYING SYSTEM FOR HYDROGEN PRODUCTION USING RENEWABLE ENERGY

Resumen de: EP4778615A1

0001 A hydrogen drying system for hydrogen production using renewable energy is provided. Two adsorbers (1, 2) are arranged in parallel, the two adsorbers (1, 2) alternately perform an adsorption process and a desorption process, the adsorption flow of each of the adsorbers (1, 2) changes along with the fluctuation of input renewable energy, and an operating state of each of the adsorbers (1, 2) is switched by means of accumulating the hydrogen flow treated by each of the adsorbers (1, 2) in a single adsorption process; a pre-adsorber (3) is connected in series to one of the adsorbers (1, 2) and is used for assisting in the desorption process; and in the desorption process, hydrogen in the pre-adsorber (3) or the adsorbers (1, 2) is circulated by means of a hydrogen self-circulation apparatus (4), and the desorption process is independent of the adsorption process. Since the adsorption process and the desorption process are independent of each other, after a raw gas enters the adsorbers (1, 2) and absorption is completed, all the raw gas is output; and in the desorption process, hydrogen in the pre-adsorber (3) or the adsorbers (1, 2) is circulated through the hydrogen self-circulation apparatus (4) to achieve hydrogen regeneration, so that the problem of incomplete desorption due to desorption interruption caused by the flow fluctuation of the raw hydrogen is solved, intermittent and fluctuating renewable energy can be matched to perform hydrogen production, and an operat

STAINLESS STEEL MATERIAL FOR ALKALINE WATER ELECTROLYSIS DEVICE, MEMBER FOR ALKALINE WATER ELECTROLYSIS DEVICE AND METHOD FOR PRODUCING SAME, AND ALKALINE WATER ELECTROLYSIS DEVICE

Resumen de: EP4779048A1

0001 A stainless steel material for an alkaline water electrolysis device, including, on a mass basis, C: 0.100% or less, Si: 1.00% or less, Mn: 0.30 to 3.00%, Ni: 10.00 to 35.00%, P: 0.0300% or less, S: 0.0030% or less, Cr: 16.0 to 28.0%, N: 0.01 to 0.25%, Cu: 0.01 to 1.00%, Mo: 0.10 to 8.00%, and Al: 0.005 to 0.100%, the balance being Fe and impurities.

多孔質材料を処理するための組成物及び方法

Resumen de: WO2025006628A2

The present disclosure is directed to a processing solution composition comprising a metal salt, an acid, a solvent, and a non-metal reductant. The present disclosure is also directed to a method of impregnating a porous material by covering or coating the porous material with a processing solution comprising a metal salt, an acid, a solvent, and a non-metal reductant.

ELECTRODE FOR ELECTROCHEMICAL CELLS

Resumen de: CN122249590A

An electrode for an electrochemical cell designed for electrolysis is a support formed with an open-cell metal structure and provided with a coating that increases the specific surface area on an outward facing surface of a separator facing the electrochemical cell, or with a coating that increases the specific surface area and has improved catalytic activity. The coating is formed from a metal, particles of which are bonded to each other via a sintered bridge and/or an organic binder and to a surface of the perforated metal structure. The coating layer is formed with a plurality of regions between which an uncoated joint is arranged.

ELECTROCHEMICAL CONTINUOUS METHOD FOR PREPARING TRANSITION METAL HYDROXIDES AND HYDROGEN GENERATION SYSTEM

Nº publicación: KR20260114100A 22/07/2026

Solicitante:

미다스주식회사