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914
results.
Updated on
03/04/2026 [07:05:00]
Results 200 to 225 of 914
Absstract of: US20260071336A1
A system for producing hydrogen gas comprising: a heat exchanger module; the heat exchanger comprising: a warming module; and a boiler; a converter module; the converter module comprising a superheater, vaporizer, and/or compressor; an electrolyzer in communication with the converter module; and the electrolyzer in communication with the heat exchanger module. A method for producing hydrogen gas comprising: passing a working fluid into a heat exchanger module comprising warming module and a boiler to form a vapor-phase working fluid; passing the vapor-phase working fluid into a converter module comprising a superheater, vaporizer, and/or compressor to form a converted working fluid; passing the converted working fluid into an electrolyzer to form hot hydrogen gas and hot oxygen gas; passing the hot oxygen gas and/or hot hydrogen gas into the heat exchanger module.
Absstract of: US20260070826A1
A produced water stream in a GOSP is pretreated to remove total suspended solids, emulsified oil, total organic carbon, chemical organics and inorganics, and biodegradable matter. The pretreated produced water stream is further processed to remove hydrogen sulfide gas, which is split in an electrolysis cell to produce hydrogen, sulfur, and water. Following this, bromine gas is removed. The pretreated produced water stream, after the removal of hydrogen sulfide and bromine gas, is further treated using CO2 to produce several minerals. The pretreated produced water stream, after mineral production, is desalinated to produce fresh water and a reject stream. Several valuable chemicals are produced from the reject stream. This process recovers valuable minerals and chemicals from a produced water stream in a GOSP.
Absstract of: US20260070783A1
The disclosure relates to systems and methods for the production of hydrogen (H2) from ammonia (NH3) in a membrane reactor that include using ammonia as a sweep gas. Ammonia is converted to hydrogen and nitrogen (N2), and the hydrogen is separated from the nitrogen and unreacted ammonia by passing the hydrogen through a hydrogen-permeable membrane while using ammonia as a sweep gas. The ammonia sweep gas can be separated from the permeated hydrogen and continuously recycled.
Absstract of: US20260070784A1
A hydrogen generating device may include a water supply device for cartridges; a first hydrogen supply valve provided in a first hydrogen supply passage through which hydrogen gas is supplied from the first cartridge to a buffer tank; a second hydrogen supply valve provided in a second hydrogen supply passage through which hydrogen gas is supplied from the second cartridge to the buffer tank; and a main hydrogen supply passage for supplying hydrogen gas from the buffer tank to outside. For switching a hydrogen supply source from the first cartridge to the second cartridge, a controller may perform: a first process to stop supplying water to the first cartridge and supply water to the second cartridge with the second hydrogen supply valve closed, and a second process to open the second hydrogen supply valve to supply hydrogen gas from the second cartridge to the buffer tank.
Absstract of: US20260070782A1
Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes an ammonia supply unit; an ammonia demand unit; a connection line that connects the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe controlled to an average temperature of 410° C. or lower and a second pipe controlled to an average temperature of greater than 410° C., and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below.T≤15µmEquation1
Absstract of: US20260074250A1
A corrosion-resistant system, a carbon-free power generation system, and a fuel cell system are provided. The corrosion-resistant system includes an ammonia supply unit; a first conduit connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first conduit; and a second conduit connected to the chamber, wherein an operating temperature of the chamber is 410° C. or lower, the first conduit and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second conduit comprises a nickel-based alloy (NT) satisfying Equation 1: T≤15 μm.
Absstract of: US20260074251A1
A fuel cell system including a fuel cell module having an anode inlet configured to receive an anode inlet stream including fuel and an anode outlet configured to output an anode exhaust stream including carbon dioxide and steam, a solid oxide electrolysis cell module configured to receive waste heat and a first portion of the anode exhaust stream from the solid oxide fuel cell module and output an electrolysis output stream including hydrogen and carbon monoxide, wherein at least a portion of the electrolysis output stream is redirected to become a component of the anode inlet stream of the fuel cell module, and a controller configured to operate the solid oxide electrolysis cell module at an endothermic current density
Absstract of: US20260070025A1
Calcined or pyrolyzed metal compounds immobilized in membranes based on ionic liquids and/or eutectic solvents. The invention relates to new catalytic membranes synthesized from ionic liquids or deep eutectic solvents and oxidized or pyrolyzed immobilized metal compounds in the membranes. The use of these new catalytic membranes in oxidation/reduction reactions, for application in fuel cells and in water electrolyzers for hydrogen production, is described.
Absstract of: AU2026201233A1
WO 2021/168125 PCT/US2021/018596 The present invention provide a method for manufacturing hydrogen, comprising: deploying a hydrodynamic pump to an ocean, the hydrodynamic pump including an inertial water tube comprising a constricting feature to pressurize ocean water, a pressurized fluid reservoir partially filled with ocean water transported from the ocean to the pressurized fluid reservoir via the inertial water tube, a turbine energized by a flow of pressurized ocean water exiting the pressurized fluid reservoir, an electrical generator coupled to the turbine, an electrolyzer, and a hydrogen tank; transmitting electrical energy from the electrical generator to the electrolyzer to generate hydrogen; and storing the hydrogen in the hydrogen tank. eb e b
Absstract of: AU2026201234A1
WO 2021/168125 PCT/2021/018596 The present invention provides a wave engine, comprising: a buoy configured to rise and fall under an influence of a body of water; a hollow tube depending from the buoy and having a water ingress/egress mouth at a lower end and a water discharge spout at an upper end, and further comprising an interior including a wall defining a water accelerating surface adapted to eject water through the water discharge spout in response to an increasing hydrodynamic pressure within the interior of the hollow tube; a water collection reservoir in fluid communication with the water discharge spout; a first effluent conduit for diverting at least a portion of water collected in the water collection reservoir from the water collection reservoir; and a first electrical energy generator for converting an energy of a portion of water in the first effluent conduit into electrical energy. eb e b
Absstract of: WO2026055325A1
A system for producing hydrogen gas comprising: a heat exchanger module; the heat exchanger comprising: a warming module; and a boiler; a converter module; the converter module comprising a superheater, vaporizer, and/or compressor; an electrolyzer in communication with the converter module; and the electrolyzer in communication with the heat exchanger module. A method for producing hydrogen gas comprising: passing a working fluid into a heat exchanger module comprising warming module and a boiler to form a vapor-phase working fluid; passing the vapor-phase working fluid into a converter module comprising a superheater, vaporizer, and/or compressor to form a converted working fluid; passing the converted working fluid into an electrolyzer to form hot hydrogen gas and hot oxygen gas; passing the hot oxygen gas and/or hot hydrogen gas into the heat exchanger module.
Absstract of: WO2026054606A1
The present invention relates to a porous water electrolysis separation membrane using a boron nitride compound. More specifically, the porous water electrolysis separation membrane comprises a porous polymer support and a boron nitride compound inserted into the inside of the porous polymer support or formed on a surface thereof. The water electrolysis separation membrane according to the present invention as described above exhibits excellent heat resistance and stability and has smaller pore sizes, thereby reducing the permeability of hydrogen and oxygen and achieving high hydrogen gas purity. In addition, with a reduced thickness, the water electrolysis separation membrane exhibits low sheet resistance and thus increases current density to improve electrolytic cell efficiency.
Absstract of: WO2026054416A1
A method for producing a catalyst for ammonia decomposition according to an embodiment of the present invention comprises the steps of: preparing an aqueous metal precursor solution and a porous support; and forming a metal-support composite by supporting a metal of the aqueous metal precursor solution on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst for ammonia decomposition. A catalyst for ammonia decomposition according to another embodiment of the present invention comprises: a porous support; and a metal supported on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst.
Absstract of: WO2026054554A1
The present invention relates to an electrode for water electrolysis and a method for manufacturing same, the electrode comprising a metal substrate and a catalyst layer formed on at least one surface of the metal substrate, wherein the catalyst layer includes CoxFeyO4 (0≤x≤4, 0≤y≤3) and satisfies formula 1.
Absstract of: WO2026054154A1
According to one embodiment, a vehicle hydrogen generator having a hydrogen generation amount adjustment device may comprise a PEM water electrolysis stack for generating hydrogen by electrolyzing water, wherein the PEM water electrolysis stack includes: a water tank for storing water for generating hydrogen through electrolysis; an electrolysis cell for generating hydrogen by electrolyzing the water provided from the water tank; a water separator which removes moisture contained in the hydrogen provided from the electrolysis cell and which provides the removed moisture to the water tank; and a control unit electrically connected to the electrolysis cell and the water tank.
Absstract of: WO2026053829A1
Provided is a device capable of producing high purity hydrogen gas. Provided is a method capable of producing high purity hydrogen gas. This hydrogen gas production device comprises a cathode, an anode disposed facing one side of the cathode, and a solid electrolyte member disposed between the cathode and the anode, the hydrogen gas production device being provided with a hydrogen gas recovery passage disposed on the other side of the cathode.
Absstract of: WO2026053545A1
This water splitting device produces hydrogen through irradiation with light and comprises: an electrolytic cell filled with an electrolyte solution and a water splitting cell immersed in the electrolyte solution. The water splitting cell has: a laminate in which an anode electrode, a hole transport layer, a perovskite battery layer, an electron transport layer, and a cathode electrode are stacked in this order; and an electrically insulating protective material that covers the outer periphery of the laminate. Two or more perovskite battery cells are connected in series in the perovskite battery layer.
Absstract of: WO2026052984A1
The present invention relates to a multipurpose generator for producing gaseous oxygen and hydrogen, water and electricity, comprising a spherical reactor with two external branches of operatively connected components, namely a warm air flow branch and a cold air flow branch. The warm air flow branch contains: a water inlet connected to a vaporiser associated with a water vapour fan device having a non-return valve that channels said flow to a water vapour intake pipe connected to a diffuser. The cold air flow branch comprises: a cold air mass inlet connected to a cold air circulation intake pipe associated with a cooler in turn coupled to a cold air fan having a non-return valve that channels said flow to a pipe connected to a fluid inlet diffuser distributing the cold air mass to the reactor. The invention also comprises two radially opposite electrical connectors.
Absstract of: WO2026051918A1
The aim of the present invention is to provide an alkaline water electrolysis membrane having good gas barrier property, which can maintain hydrophilicity during operation in long-term electrolysis, inhibit the reduction in ion permeability caused by bubble attachment, and improve the hydrogen production efficiency during the long-term operation of an alkaline electrolytic cell. The alkaline water electrolysis membrane is an electrolysis membrane capable of inhibiting the reduction of hydrophilicity thereof during long-term use and achieving a high production yield of hydrogen. The electrolysis membrane comprises: a porous support, and a porous resin containing a surfactant.
Absstract of: WO2026050800A1
The invention provides a membrane electrode assembly for an electrochemical hydrogen compressor, the membrane electrode assembly comprising a proton exchange membrane arranged between an anode and a cathode, wherein the anode comprises an electrocatalyst for dihydrogen oxidation and the cathode comprises an electrocatalyst for proton reduction, and wherein the proton exchange membrane comprises a semicrystalline polymeric matrix comprising a hydrophilic polymer and particles of an inorganic metal compound dispersed in the semicrystalline polymeric matrix.
Absstract of: JP2026043106A
【課題】セルスタックの集積率を向上させるとともに高温環境の下でセルスタックに圧縮荷重を安定的に負荷させる水素製造技術を提供する。【解決手段】水素製造装置１０は、加熱炉１２の内部の架台１５に固定されるガス流路１１と、ガス流路１１を上下方向から挟み込むように集積される複数のセルスタック２１（２１ａ，２１ｂ，２１ｃ，２１ｄ）と、最下部に位置するセルスタック２１ｄの下部プレート２３に下先端が固定されかつその上部プレート２２を貫通するとともにその他のセルスタック２１（２１ａ，２１ｂ，２１ｃ）の下部プレート２３及び上部プレート２２を貫通する複数のタイロッド２５と、各々のタイロッド２５の上先端を結束する結束プレート２６と、結束プレート２６に設けられ最上部に位置するセルスタック２１の上部プレート２２を付勢する付勢手段３０と、を備える。【選択図】図３
Absstract of: JP2026043978A
【課題】水素生成光触媒を用いて、可視光照射下においても水を効率的に水素と酸素に分解できる方法を提供すること。【解決手段】本発明の光による水分解方法は、一種類の光触媒を含み、酸化還元能を有する化合物が溶解した水溶液に対して光を照射する方法である。【選択図】図３
Absstract of: WO2026048152A1
Provided are a structure and a reduction device capable of more efficiently generating hydride ions. A structure according to an embodiment of the present invention comprises a first electrode, a second electrode, and an electrolyte. The first electrode and the second electrode are porous and allow a fluid to pass therethrough. The electrolyte is a solid disposed between the first electrode and the second electrode. The electrolyte is electrically connected to the first electrode and the second electrode. Hydride ions can move through the electrolyte.
Absstract of: JP2026043516A
【課題】水電解を用いて発生させた酸素および水素から高純度水素および高純度酸素を効率よく製造することが可能な高純度水素および高純度酸素の製造方法および製造装置を提供する。【解決手段】原料純水３の脱気手段３２と、高分子電解質膜を用いる水電解により酸素と水素とを発生させる電解手段３３と、酸素精製手段３５と、水素精製手段３７と、酸素精製手段３５で用いる吸着剤の再生時に流通したパージガスを原料純水３の脱気手段３２に供給する手段を備える。【選択図】図１
Nº publicación: JP2026043878A 12/03/2026
Applicant:
国立大学法人東海国立大学機構
Absstract of: JP2026043878A
【課題】非貴金属系でアンモニア分解活性を示すアンモニア分解触媒、その製造方法、アンモニアの分解方法、水素製造方法、又、水素製造装置を提供する。【解決手段】アンモニア分解触媒は、複合酸化物、これに担持された非貴金属粒子を含む。複合酸化物は、ＡｘＭｇ１－ｘＯｙ（但し、Ａはアルカリ金属元素及びＭｇを除くアルカリ土類金属元素からなる群より選択される少なくとも１種の元素であるアルカリ系金属元素、０＜ｘ≦０．1、ｙは複合酸化物が電気的に中性を保つのに必要な酸素原子の数）の組成で表される。非貴金属粒子の非貴金属は、Ｃｏ、Ｎｉ、Ｆｅ、又は、これらの合金である。アンモニア分解触媒の製造方法は、準備した上記複合酸化物に上記非貴金属を含む非貴金属前駆体を含浸させて得た含浸体を、不活性ガス雰囲気下にて熱処理し、得られた熱処理物を、水素を含む還元雰囲気下、還元温度３００℃～８００℃で水素還元処理する。【選択図】図４
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