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SYSTEM FOR PRODUCING COMPRESSED HYDROGEN

Resumen de: CN120693423A

An electrolyzer system (10) and a method of operating an electrolyzer system (10) comprising an electrolyzer (16) and a metal hydride or adsorption-desorption compressor (24) wherein the electrolyzer (16) has at least one electrolytic cell having a vapor input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolytic cell at the steam input (22), operating the electrolyzer (16) to decompose a portion of the steam into hydrogen and oxygen in the at least one electrolytic cell, a mixture of the hydrogen and residual steam from a first side of the electrolytic cell is discharged at the at least one gas outlet (18), and the mixture is introduced into the metal hydride or adsorption-desorption compressor (24), and adsorbing the hydrogen in the mixture at a low temperature in the metal hydride or adsorption-desorption compressor (24) to compress the hydrogen, and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyzer system (10) is connected to a cold exhaust gas source to operate the cryogenic adsorption.

PROCESS FOR MANUFACTURING OXIDES

Resumen de: WO2024165389A1

The present invention relates to a pyrogenic process for manufacturing metal oxides or metalloid oxides wherein a metal precursor and/or a metalloid precursor is introduced into a flame formed by burning a gas mixture comprising oxygen and hydrogen, wherein at least a part of the hydrogen has been obtained from electrolysis of water or an aqueous solution, using electrical energy, at least a part of which has been obtained from a renewable energy source, and wherein at least a part of the thermal energy of the flame is transferred to a first heat transmission medium by means of at least one exchanger, thereby heating the first heat transmission medium to a maximal temperature in the range between 80 and 150 °C.

CATALYST FOR PRODUCING HYDROGEN AND METHOD OF MANUFACTURING THE CATALYST

Resumen de: KR20250175597A

본 발명은 수소 발생용 촉매 및 이의 제조방법에 관한 것으로, 지지체 및 상기 지지체 상에 담지되어 망간, 철, 코발트, 니켈, 구리으로 이루어지는 4족 원소군으로부터 선택된 1종류 이상의 금속 원소를 포함하는 전이금속 질화물을 포함하여 고비용 귀금속을 사용하지 않고도 저비용 전이금속 질화물인 단분산 나노입자인 수소 발생용 촉매를 제공하여 높은 활성으로 산소발생반응(Oxygen Evolution Reaction, OER)을 촉진하는 효과가 있다.

SCALABLE FLOW FIELD FOR AN ELECTROCHEMICAL CELL AND METHOD OF HIGH-SPEED MANUFACTURING THE SAME

Resumen de: CN120659910A

The application relates to a flow field for use in an electrolytic cell comprising one or more porous sheets having a corrugated structure. The electrolytic cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field includes one or more porous sheets having at least one straight edge, and wherein at least one of the porous sheets has the form of a corrugated pattern having a plurality of peaks and valleys whose axes are substantially aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides elasticity for efficient mechanical compression of the cell and well distributed mechanical support for anode reinforcement layers adjacent the anode flow field.

Ion-conducting membrane

Resumen de: GB2641804A

An ion-conducting membrane comprises (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger. Also, a method of preventing degradation of an ion-conducting membrane by hydrogen radicals comprises using a material having a rate constant for the reaction with a hydrogen radical (H·) of at least 1 x 107 M-1s-1. The ion-conducting membrane 4 is preferably a proton-exchange membrane and may further comprise a reinforcing layer 5 formed from a porous polymer impregnated with the ion-conducting polymer. Anode 3 and cathode 2 catalyst layers are provided on opposite sides of the membrane to form a catalyst coated membrane for a fuel cell or water electrolyser.

HYDROGEN GENERATION SYSTEM UTILIZING PLASMA CONFINED BY PULSED ELECTROMAGNETIC FIELDS IN A LIQUID ENVIRONMENT

Resumen de: MX2025009259A

A hydrogen generation system includes: a direct current (DC) power supply providing a driver signal, a reactive circuit coupled to the power supply and configured to generate a pulse drive signal from the driver signal, at least one reaction chamber coupled to the reactive circuit and receiving the pulse drive signal wherein the chamber is configured to generate hydrogen from feedstock material utilizing the pulse drive signal, a gas analyzer coupled to the at least one reaction chamber and configured to detect the generated hydrogen, and a control unit coupled to the reactive circuit and to the gas analyzer and configured to control the reactive circuit based on the detected hydrogen. The reaction chamber includes a plurality of positively charged elements and a plurality of negatively charged elements. The elements are composed of non-dis similar metallic material.

スタック、ホットモジュール及び水素製造装置

Resumen de: JP2025182977A

【課題】温度の低い部分の発生を低減できるスタック、ホットモジュール及び水素発生装置を提供する。【解決手段】スタックは、陽極と陰極とを厚さ方向に隔離する電解質を含む電解セルが、厚さ方向に複数配置され電解セルが互いに直列に接続された積層体と、積層体の厚さ方向の外側に配置され電解セルに電気的に接続される極性が互いに異なる２枚の導電板と、２枚の導電板にそれぞれ接続され厚さ方向に交わる方向に突き出た端子と、を備え、端子の少なくとも１つは、積層体に向かって折れ曲がっている。【選択図】図１

強化イオン伝導性膜

Resumen de: CN119998970A

According to the present invention there is provided an enhanced ion conducting membrane, the enhanced ion conducting membrane comprising: an ion conducting polymer; and a porous mat of nanofibers. The porous mat of nanofibers is impregnated with an ionically conductive polymer. The nanofibers comprise a cross-linked polymer, wherein the cross-linked polymer is ionically non-conductive. The cross-linked polymer comprises a heterocycle-based polymer backbone comprising a basic functional group, and a linking chain linking at least two heterocycle-based polymer backbones via a linking group. The porous mat of nanofibers has a tear index of at least 15 mN m2/g.

一种电催化剂及其制备方法、电极、电解装置和应用

Resumen de: WO2025256097A1

The present application provides an electrocatalyst and a preparation method therefor, an electrode, an electrolytic apparatus, and a use. The electrocatalyst comprises a carbon-based substrate and a coating layer loaded on at least part of the surface of the carbon-based substrate; the carbon-based substrate has a three-dimensional porous structure; the coating layer comprises metallic nickel and trinickel disulfide; by utilizing the porous structure of the carbon-based substrate, a larger specific surface area is provided, so as to increase the coating amount, thereby providing more catalytic active sites, and by means of the synergistic effect of the carbon-based substrate with the metallic nickel and trinickel disulfide loaded on the surface thereof, a locally negatively charged region can be formed, providing more active sites for hydrogen adsorption, which can greatly improve catalytic activity, reduce hydrogen evolution overpotential, and improve the stability of the electrocatalyst.

复合金属多孔体以及复合金属多孔体的制造方法

Resumen de: US2020190680A1

A composite metal porous body according to an aspect of the present invention has a framework of a three-dimensional network structure. The framework includes a porous base material and a metal film coated on the surface of the porous base material. The metal film contains titanium metal or titanium alloy as the main component.

ガス圧の低下により生成された電力を用いた水素の製造

Resumen de: US2024154496A1

A system includes a flow-through electric generator and an electrolytic cell. The flow-through electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive natural gas from a natural gas pipeline and rotate in response to expansion of the natural gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is coupled to the turbine wheel and configured to rotate with the turbine wheel. The flow-through electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The electrolytic cell is configured to receive a water stream and the electrical power from the flow-through electric generator. The electrolytic cell is configured to perform electrolysis on the water stream using the received electrical power to produce a hydrogen stream and an oxygen stream.

水電解システム

Resumen de: JP2025182366A

【課題】水電解スタックに意図しない劣化が生じても、複数の水電解スタックに対して適切な電力配分を行う。【解決手段】水電解システムは、複数の水電解スタックと、複数の水電解スタックのそれぞれに直流電流を供給する電源と、電源の動作を制御する制御装置と、を備え、制御装置は、複数の水電解スタックのそれぞれについて、水電解スタックの電流および電圧の計測値に基づいて、水電解スタックの入力電流の変化に対する出力電圧の応答特性を近似した特性モデルを所定期間ごとに算出することにより、複数の特性モデルを生成し、少なくとも２つの特性モデルの特性差に基づいて、水電解スタックの劣化度を推定し、劣化度に基づいて、水電解スタックに流す電流を制御する。【選択図】図１

CoFeBP CoFeBP Micro Flowers for Highly Efficient Hydrogen Evolution Reaction and Oxygen Evolution Reaction Electrocatalysts and preparation method therefor

Resumen de: KR20250174265A

본 발명의 일 측면에 따르면, (a)니켈 폼 기판 준비단계; (b) 상기 니켈 폼 기판 및 Fe, B 및 P의 전구체를 포함하는 수용액을 밀폐된 반응용기 내에 넣어서 수열반응법(hydrothermal approach)에 의해 상기 Ni 폼 기판에 FeBP 구조체를 제조하는 단계; 및 (c) 상기 FeBP 구조체를 바나듐(V) 수용액이 담긴 수용액 용기에 넣어서 침지법(soaking approach)에 의해 바나듐 도핑된 FeBP 마이크로스피어 크루아상 형상 구조체를 제조하는 단계를 포함하여 산소 및 수소 발생반응의 이중 기능이 향상된 바나듐 도핑된 FeBP 마이크로스피어 크루아상 형상 구조의 전기 촉매 구조체를 제조하는 방법이 제공된다.

perovskite-type photocatalyst with excellent visible light sensitivity and its manufacturing method

Resumen de: KR20250174371A

본 발명은 가시광 감응성이 우수한 페로브스카이트형 광촉매 및 이의 제조방법에 관한 것으로서, 더욱 상세하게는 스트론튬(Sr)과 철(Fe) 및 티타늄(Ti)를 포함하는 복합금속산화물로 이루어져 자외선뿐만 아니라 가시광 조사에 의해서도 광활성화되어 포름알데히드의 분해, 병원성 세균의 살균, 물분해로부터 수소 생성의 기능을 발현할 수 있는 신규한 페로브스카이트형 광촉매 및 이의 제조방법에 관한 것이다.

HYDROGEN PRODUCTION DEVICE USING CARBON DIOXIDE AND HYDROGEN PRODUCTION METHOD USING THE SAME

Resumen de: KR20250174380A

본 발명은 이산화탄소를 활용한 수소 생산 장치에 대한 것으로, 전기를 공급받아 물을 전기분해하는 전극부; 상기 전극부를 수용하는 반응챔버; 및 상기 전극부의 적어도 일부에 접촉되어 상기 전극부로부터 수소이온 및 전자를 전달받아 수소를 생산하는 미생물을 포함하고, 상기 전극부는, 물이 전기분해되어 상기 수소이온 및 상기 전자를 방출하는 애노드부; 및 상기 애노드부로부터 상기 수소이온 및 상기 전자를 전달받아 상기 미생물에 전달하는 캐소드부를 포함하며, 상기 반응챔버는 이산화탄소를 수용하고, 상기 미생물은, 상기 이산화탄소, 상기 수소이온 및 상기 전자로 다당류를 생산하는 제1 생산상태 또는 상기 제1 생산상태에서 생산된 상기 다당류를 에너지원으로 이용하여 수소를 생산하는 제2 생산상태에 놓이는, 이산화탄소를 활용한 수소 생산 장치가 제공될 수 있다.

气体制造装置的停止方法、以及氧气和氢气的制造方法

Resumen de: TW202507083A

Gas composition reaching a flammability limit can be prevented by a method of stopping a gas production apparatus in a method of electrolyzing an alkaline electrolyte solution under pressurized conditions, the electrolyzing method including: circulating electrolyte solutions having flown out of anode and cathode chambers, respectively, to the anode and cathode chambers back again, the stopping method comprising: stopping operation of the gas production apparatus according to the procedure including predetermined steps.

Système d’électrolyse comprenant un dispositif de détection rapide de gaz

Resumen de: FR3163080A1

Système d’électrolyse comprenant un dispositif de détection rapide de gaz L’invention concerne un système d'électrolyse de l'eau (2) comprenant un électrolyseur à membranes électrolytiques (21) et un séparateur (22) destiné à réaliser une séparation liquide/gaz d’un fluide fourni par l’électrolyseur (21) , le séparateur (22) comprenant une portion d’entrée (221) raccordée à l'électrolyseur (21) , un volume de séparation liquide/gaz (223) et une portion de sortie (22) par laquelle sort un mélange gazeux, caractérisé en ce que le système d’électrolyse de l’eau (2) comprend un dispositif de détection (25) d’un gaz contenu dans le mélange gazeux, ledit dispositif de détection (25) étant raccordé à la portion d’entrée (221) du séparateur (22). (Figure 2)

HYDROGEN BURNER USING WATER THERMOLYSIS

Resumen de: WO2025254547A1

The subject of the invention is a hydrogen burner using water thermolysis, incorporating a hydrogen combustion chamber (1) containing heating nozzles (3) connected to a fuel transport duct (4), with at least one magneto (6) installed in its vicinity. This burner is characterised in that the chamber (1) contains water (2) in which a duct (6) with heat exchange medium is immersed, and the heating nozzles (3) are dir3ected towards the table of that water (2). The chamber (1) is made of heat-resistant steel and coated with a thermal insulation layer (5) on the outside. Water (2) in the chamber (1) contains transition metals acting as catalysts for water thermolysis, particularly such as cerium, nickel, molybdenum, or chromium.

ELECTRODES FOR AN ELECTROCHEMICAL CELL FOR AN ALKALINE SEPARATION OF WATER INTO HYDROGEN AND OXYGEN, AND METHOD FOR PRODUCING SAME

Resumen de: AU2024304508A1

According to the invention, electrodes are arranged on two opposite surfaces of a separator. Each electrode consists of an open-pore metal structure, in particular a metal foam made of at least one of the chemical elements Ni, Al, Mo, Fe, Mn, Co, Zn, La, Ce, or an alloy of at least two of said chemical elements or an intermetallic compound of at least two of said chemical elements. A continuously decreasing catalytic activity is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode, and/or a continuously increasing porosity and/or pore size and/or a continuously decreasing specific surface area is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode.

WARM UP METHOD FOR AN ELECTROLYSER SYSTEM

Resumen de: WO2025253109A1

A method of warm up of an electrolyser system comprising one or more stacks of electrolyser cells, each of the one or more stacks with fuel and oxygen volumes. The method comprising heating the one or more stacks to raise the one or more stacks to a first threshold temperature T1. A heat transfer fluid is provided to the fuel volume of each of the one or more stacks when the temperature is above first threshold temperature T1. The temperature of the heat transfer fluid is incrementally increased to further heat the one or more stacks above the first threshold temperature T1. When a second threshold temperature, T2, is reached, fuel is provided to the fuel volume of each of the one or more stacks and electrical current to each of the one or more stacks to generate product via electrolysis.

ELECTROLYSIS SYSTEM COMPRISING A RAPID GAS DETECTION DEVICE

Resumen de: WO2025253062A1

The invention relates to a water electrolysis system (2) comprising an electrolyser with electrolytic membranes (21) and a separator (22) intended to carry out a liquid/gas separation of a fluid supplied by the electrolyser (21), the separator (22) comprising an inlet portion (221) connected to the electrolyser (21), a liquid/gas separation space (223) and an outlet portion (22) through which a gas mixture exits, characterised in that the water electrolysis system (2) comprises a device (25) for detecting a gas contained in the gas mixture, said detection device (25) being connected to the inlet portion (221) of the separator (22).

水電解装置、ガスケット、及びガスケット装置

Resumen de: WO2025249562A1

A water electrolysis device (5) is provided with gaskets (10). The gaskets (10) are configured to be used in a state where, with respect to one of the gaskets (10), another one of the gaskets (10) is reversed and overlayed. The gaskets (10) seal, in a cell (100), a space (S1) between a separator (101) and an electrolyte membrane (104) of a membrane assembly (103), and a space (S2) between a separator (102) and the electrolyte membrane (104). The gaskets (10) each have: a seal lateral surface (11) and a contact lateral surface (12) which form a pair; a first seal part (3) for sealing the space (S1) or the space (S2); and a second seal part (4) for sealing, on the outer peripheral side of the electrolyte membrane (104), a plurality of flow paths (2) between the separators (101, 102). The first seal part (3) is formed on the seal lateral surface (11) and the contact lateral surface (12), and the second seal part (4) is formed on the seal lateral surface (11) and the contact lateral surface (12).

MEMBRANE ELECTRODE ASSEMBLY FOR HYDROGEN PRODUCTION

Resumen de: WO2025254597A1

The present disclosure relates to a membrane electrode assembly for hydrogen production and a method of producing hydrogen using the membrane electrode assembly

ELECTRODE, METHOD FOR PRODUCING ELECTRODE, ELECTROLYSIS CELL, ELECTROLYSIS TANK FOR ALKALINE WATER ELECTROLYSIS, AND METHOD FOR PRODUCING HYDROGEN

Resumen de: WO2025254008A1

The objective of the present invention is to provide: an electrode in which an increase in overvoltage hardly occurs even when repeatedly turning on and off a power source and starting and stopping the generation of hydrogen; a method for producing the electrode; an electrolysis cell including the electrode; an electrolysis tank for alkaline water electrolysis including the electrolysis cell; and a method for producing hydrogen by means of alkaline water electrolysis using the electrolysis tank for alkaline water electrolysis. To achieve the above objective, an electrode according to the present invention has a nickel-containing conductive substrate and a platinum-containing catalyst layer, and is characterized by including a PtNi alloy and having a Ni atom concentration on the electrode surface of 20% or less.

METHOD FOR OPERATING HIGH-TEMPERATURE WATER ELECTROLYSIS STACK

Nº publicación: WO2025254339A1 11/12/2025

Solicitante:

SAMSUNG E&A CO LTD [KR]
\uC0BC\uC131\uC774\uC564\uC5D0\uC774(\uC8FC)

Resumen de: WO2025254339A1

A method for operating a high-temperature water electrolysis stack. The disclosed method for operating a high-temperature water electrolysis stack comprises the steps of: (S210) injecting a reducing gas into a hydrogen electrode of a high-temperature water electrolysis stack; (S220) initially increasing the temperature of the hydrogen electrode of the high-temperature water electrolysis stack; (S230) blocking the reducing gas injected into the hydrogen electrode of the high-temperature water electrolysis stack; (S240) primarily oxidizing the hydrogen electrode of the high-temperature water electrolysis stack; (S250) reinjecting the reducing gas into the hydrogen electrode of the high-temperature water electrolysis stack; (S260) blocking, again, the reducing gas injected into the hydrogen electrode of the high-temperature water electrolysis; (S270) secondarily oxidizing the hydrogen electrode of the high-temperature water electrolysis stack; and (S280) reinjecting the reducing gas into the hydrogen electrode of the high-temperature water electrolysis stack and performing normal operation.