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Elektrochemisches Trennen von Wasser in Wasserstoff und Sauerstoff

Resumen de: DE102024205520A1

Die Erfindung betrifft eine Elektrolysezelle (12) zum elektrochemischen Trennen von Wasser in Wasserstoff und Sauerstoff, mit:- einer anodenseitigen Halbzelle (16) zum Bereitstellen des Sauerstoffs,- einer kathodenseitigen Halbzelle (18) zum Bereitstellen des Wasserstoffs,- einem zwischen der anodenseitigen Halbzelle (16) und der kathodenseitigen Halbzelle (18) angeordneten Separatorelement (20).Erfindungsgemäß weist die Elektrolysezelle (12)- eine Rahmeneinheit (10) mit einem anodenseitigen Rahmenteil (22), an dem die anodenseitige Halbzelle (16) angeordnet ist, und einem separaten kathodenseitigen Rahmenteil (24), an dem die kathodenseitige Halbzelle (18) angeordnet ist, und- wenigstens ein erstes Dichtelement (26) auf, das zwischen dem anodenseitigen Rahmenteil (22) und dem kathodenseitigen Rahmenteil (24) angeordnet ist.

Vorrichtung zur Herstellung flüssiger Kohlenwasserstoffe

Resumen de: DE102024116793A1

Eine Vorrichtung zur Herstellung flüssiger Kohlenwasserstoffe, mit einem Mischer (3), der einen ersten Eingang (16) für Wasserstoff (8b), einen zweiten Eingang (26) für Kohlendioxid und Kohlenmonoxid sowie einen Ausgang (31) für ein Wasserstoff-Kohlendioxid/Kohlenmonoxid-Gemisch (27) aufweist; ferner mit einem Reaktor (4) zur Durchführung einer rückwärtigen Wassergas-Shift-Reaktion (RWGS-Reaktor) für die Erzeugung von Synthesegas (35), das Kohlenmonoxid und Wasserstoff enthält, wobei der RWGS-Reaktor (4) einen Eingang (32) aufweist, der mit dem Ausgang (31) des Mischers (3) in Strömungsverbindung steht, und einen Ausgang (36) für das Synthesegas (35) aufweist; und mit einem Reaktor (5) zur Durchführung einer Fischer-Tropsch-Synthese (FT-Reaktor) für die Erzeugung flüssiger Kohlenwasserstoffe, der einen Eingang (38) aufweist, der mit dem Ausgang (36) des RWGS-Reaktors (4) in Strömungsverbindung steht, und einen Ausgang (40) für die flüssigen Kohlenwasserstoffe ()39 aufweist; weist einen elektrochemischen Wasserstoffkompressor (2) auf, der einen Eingang (10) für Niederdruck-Wasserstoff (8a) und/oder für ein Wasserstoff (8a) umfassendes Niederdruck-Gasgemisch aufweist und einen Ausgang (11) für Hochdruck-Wasserstoff (8b) aufweist, wobei der Ausgang (11) mit dem ersten Eingang (16) des Mischers (3) in Strömungsverbindung steht.

THERMAL ENERGY STORAGE SYSTEM WITH STEAM GENERATION SYSTEM INCLUDING FLOW CONTROL AND ENERGY COGENERATION

Resumen de: US2025382898A1

An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.

MULTI-TIER INTEGRATED POWER-TO-AMMONIA SYSTEMS

Resumen de: AU2024281599A1

A multi-tier integrated power-to-ammonia system includes a converter for generating ammonia and heat through a reaction involving a compressed mixture of hydrogen and nitrogen gases. The system includes a steam generator that can generate steam using the heat from the reaction, and a reversible solid-oxide system in fluid communication with the steam generator that can separate the steam into oxygen gas and hydrogen gas.

METHOD AND APPARATUS FOR DELIVERING HYDROGEN

Resumen de: AU2024265029A1

A system and method for transporting and distributing hydrogen, reducing the risk of hydrogen leakage, maintaining a record of provenance, and measuring and recording its purity level as it flows from source to destination to assure it complies with a predetermined range of values. The system includes a hydrogen delivery line made from metallic or non-metallic pipe that may be placed inside a safety pipe such that a channel is formed between an exterior of the hydrogen delivery line and an interior of the safety pipe. A sweeper gas or liquid may be injected into the channel to purge any hydrogen that might escape from the hydrogen delivery line, and one or more sensors may be used to detect and avoid the presence of an unacceptable level of hydrogen, or to stop the flow of hydrogen and remediate the problem well before a safety or environmental risk can occur.

WATER ELECTROLYSIS MEMBRANE ELECTRODE, METHOD FOR PREPARING THE SAME, AND WATER ELECTROLYZER APPLYING THE SAME

Resumen de: AU2024278486A1

The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1- 3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%. The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1- 3:1-3. A porosity of the hydrophobic anode catalytic layer

POROUS MEMBRANE, ITS METHOD OF PRODUCTION, AND AN ALKALINE ELECTROLYZER WITH SUCH MEMBRANE

Resumen de: AU2024282746A1

Porous membrane, its method of production, and an alkaline electrolyzer with such membrane A porous membrane for alkaline water electrolysis is produced by a mix of a polymer, an alkoxide of an inorganic metal as a precursor for conversion into hydrophilic metal oxide or metal hydroxide particles, and a stabilizing agent for suppressing agglomera- tion of metal oxide or metal hydroxide particles during conversion of the precursor. The mix is cast as a layer on a support and exposed to nonsolvent-induced phase separation, NIPS, for converting the precursor in the layer into metal oxide particles or metal hy- droxide particles by hydrolyzing the precursor. The resulting membranes performed well in alkaline electrolysis.

PRODUCTION OF SYNTHETIC HYDROCARBONS

Resumen de: AU2024280354A1

An eFuels plant and process for producing synthetic hydrocarbons using renewable energy are disclosed. The eFuels plant comprises a hydrocarbon synthesis (HS) system and a renewable feed and carbon/energy recovery (RFCER) system. The RFCER comprises an electrolysis unit to convert water to hydrogen and oxygen. The hydrogen and carbon dioxide are fed to the HS system to produce synthetic hydrocarbon products. The process further comprises a thermal desalination unit, a direct air capture unit, an oxygen-fired heater, a steam turbine generator, a heat recovery unit, anaerobic and/or aerobic wastewater treatment, or a combination thereof. Process streams of and heat generated in the HS and RFCER systems are integrated to improve energy, hydrogen, and carbon efficiency and maintain stable operations during power fluctuations to the eFuels plant.

改良された水電解用多層プロトン交換膜

Resumen de: CN120604367A

There is provided a multi-layer proton exchange membrane for water electrolysis, comprising: at least two reconstitution catalyst layers, each of which comprises a reconstitution catalyst and a first ion exchange material, and at least two reinforcement layers, each of which comprises a reconstitution catalyst and a second ion exchange material, wherein the at least two reconstitution catalyst layers are separated by regions free of or substantially free of reconstitution catalyst, each of the at least two reinforcement layers comprising a microporous polymer structure and a second ion exchange material at least partially absorbed within the microporous polymer structure.

SYSTEM AND METHOD FOR GENERATING HYDROGEN USING GEOTHERMAL ENERGY

Resumen de: WO2025259900A1

A system and method for generating hydrogen using thermal energy in a geothermal fluid are disclosed. An electrical power generation subsystem is configured to receive geothermal fluid from a geothermal fluid source and use thermal energy in the geothermal fluid to generate electrical power. A steam generation subsystem is configured to receive water and produce steam using thermal energy in the geothermal fluid and the electrical power generated by the electrical power generation subsystem. A hydrogen generation subsystem is configured to disassociate hydrogen from the steam using the electrical power generated by the electrical power generation subsystem.

HYDROGEN OXYGEN DEVICE AND METHOD OF USE

Resumen de: WO2025259118A1

The present invention is concerned with device that is configured to be administered to the gut digestate of a ruminant animal, which device is capable of generating electrical energy from a gut digestate and/or measuring the concentration of hydrogen (H2) and/or oxygen (O2) that is present in the gut digestate. Further, the device according to the present invention may be modified to include an electrical load adjustment means (e.g. resistor, variable resistor etc) which may be used to adjust the electrical load of the device sufficient to cause the prescribed removal of H2, and in particular dissolved hydrogen (dH2), from the gut digestate. As such the device according to the present invention may be employed to adjust the amount of dH2 available to methanogenic archaea while at least not compromising animal productivity, thereby reducing the amount of methane released in the atmosphere which has an important environmental impact in terms of reducing greenhouse gas emissions.

CATALYST FOR AMMONIA DECOMPOSITION REACTION, METHOD FOR PREPARING SAME, AND METHOD FOR PRODUCING HYDROGEN BY USING SAME

Resumen de: WO2025258984A1

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, and more particularly, to: a catalyst for an ammonia decomposition reaction, wherein at least one selected from ruthenium, nickel, cobalt, and iron is supported as a catalytically active species on an alumina catalyst support including a metal oxide layer containing at least one metal element selected from the group consisting of magnesium (Mg), yttrium (Y), and praseodymium (Pr), and thus the catalytic activity for the ammonia decomposition reaction can be improved even when using a smaller amount of a catalytically active species as compared to conventional catalysts, and the catalyst for an ammonia decomposition reaction is thermally stable and exhibits superior catalytic activity to conventional metal oxide catalysts, even at lower temperatures, and thus can improve ammonia conversion rates; a method for preparing same; and a method for producing hydrogen by using same.

CATALYST, METHOD FOR PRODUCING CATALYST, METHOD FOR PRODUCING METABORATE, HYDROGEN GENERATOR, AND FUEL CELL SYSTEM

Resumen de: WO2025258180A1

Problem To provide: a catalyst which has high hydrogen generation efficiency; a method for producing the catalyst; a method for producing a reusable metaborate; a hydrogen generator which is provided with the catalyst; and a fuel cell system which is provided with the hydrogen generator. Solution According to one embodiment of the present invention, there is provided a catalyst which is used for the purpose of generating hydrogen from a borohydride salt and water, the catalyst containing a metal oxide as a main component and a metal boride which is supported by the metal oxide.

ION-CONDUCTING MEMBRANE

Resumen de: WO2025257571A1

The present invention provides an ion-conducting membrane comprising: (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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

水電解システム

Nº publicación: JP2025182366A 15/12/2025

Solicitante:

富士電機株式会社

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