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HYDROGEN PRODUCTION VIA SEAWATER SPLITTING

Resumen de: AU2023408768A1

A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).

WATER ELECTROLYSIS HYDROGEN PRODUCTION SYSTEM

Resumen de: EP4640922A1

Provided is a water electrolytic hydrogen production system configured by connecting a plurality of water electrolysis stacks in series, wherein the system is capable of ensuring sufficient insulation performance of each of the water electrolysis stacks. The water electrolytic hydrogen production system includes: a plurality of water electrolysis apparatuses, wherein each of the water electrolysis apparatuses includes: a water electrolysis stack configured to generate hydrogen and oxygen by electrolysis of water; a water supply portion configured to supply water to the water electrolysis stack; a water intake portion configured to take water into the water supply portion from outside; a hydrogen release portion configured to release hydrogen generated in the water electrolysis stack to outside; and an oxygen release portion configured to release oxygen generated in the water electrolysis stack to outside, the water electrolysis stacks of the plurality of water electrolysis apparatuses are electrically connected to each other in series, and an insulation member is disposed at a connecting portion of piping for supplying or releasing a fluid with outside of the apparatus, the piping including at least the water intake portion, the hydrogen release portion, and the oxygen release portion of each of the plurality of water electrolysis apparatuses.

PROCESS FOR PRODUCING GAS COMPRISING HYDROGEN

Resumen de: EP4640623A1

The invention relates to a process (100) for producing a hydrogen product (81) from an endothermic cracking reaction of an ammonia feed (4), comprising the following steps:- providing (S10) the ammonia feed to a cracking unit (210),- in said cracking unit, performing (S20) the endothermic cracking reaction of the ammonia feed, thereby producing a cracked gas (80) containing hydrogen (81), nitrogen (82) and unconverted ammonia (83),- in said cracking unit, combusting the separated unconverted ammonia in a combustion step (S40) to provide heat to the endothermic cracking reaction,- reducing (S50) a cracking temperature (Tc) of the endothermic cracking reaction, thus increasing the amount of unconverted ammonia in the cracked gas and to be combusted to provide heat to the endothermic cracking reaction,- controlling (S60) the flow of the ammonia feed directed to the cracking unit to produce a desired amount of hydrogen product (Psp).

LIGHT-WATER-REACTOR (LWR) NUCLEAR COGENERATION PLANT AND HIGH-TEMPERATURE WATER ELECTROLYSIS SYSTEM(S) FOR PRODUCING HYDROGEN USING HEAT FROM THE LWR

Resumen de: WO2024133496A1

The subject matter of the invention is essentially that of obtaining an indirect optimal thermal coupling between a nuclear reactor and a production unit for producing hydrogen by high-temperature electrolysis by means of a suitably chosen draw-off tap downstream of the high-pressure body of the Rankine cycle turbine of the nuclear reactor, which will transfer the heat thus drawn off by means of a closed loop between an intermediate heat exchanger and a coupling steam generator to liquid water supplied to the production unit in order to inject steam at a high temperature required to perform the electrolysis. This indirect heat input may be carried out continuously or at a decreasing rate until there is enough heat produced by the electrolysis reaction.

空気直接電解による水素製造システム

Resumen de: EP4582589A1

The present application belongs to the technical field of electrolytic hydrogen production, and particularly relates to a direct air electrolytic hydrogen production system. The system comprises an energy supply module, an electrolytic hydrogen production module, an electrolyte recycling module and a moisture vapor self-trapping module, wherein the energy supply module is connected to the electrolytic hydrogen production module; the electrolytic hydrogen production module comprises an electrolyzer; and the electrolyte recycling module is connected to the electrolytic hydrogen production module and the moisture vapor self-trapping module separately. The system may realize direct air electrolytic hydrogen production, while its energy consumption for electrolysis is comparable to that of industrial pure water electrolysis for hydrogen production, without additional energy consumption for desalination/purification of impure water solutions or for harvesting moisture from the air. The system greatly broadens the range of hydrogen energy sources without time and space limitation, providing technical support for future distributed hydrogen energy arrangement.

SOC STACK COMPRISING COMBINED FLOW DISTRIBUTOR AND CONTACT ENABLER

Resumen de: CN120476486A

A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.

ELECTROCHEMICAL REACTOR AND METHOD FOR OPERATING AN ELECTROCHEMICAL REACTOR

Resumen de: CN120418995A

The invention relates to an electrochemical reactor (1), in particular a redox flow cell, a fuel cell, an electrolytic cell or an electrosynthesis cell, comprising a stack (Z) consisting of a plurality of cells (2) which are separated from each other by at least one bipolar plate (3) and are stacked in a stacking direction (R), wherein the cells (2) each have two electrodes (5, 6) and a separator (10) arranged between the two electrodes (5, 6), and wherein the at least one bipolar plate (3) is flexible. In order to be able to increase mass transfer and material distribution with low construction and equipment investment and low material load, an oscillator (13) which excites at least one bipolar plate (3) to generate oscillations is integrated in the bipolar plate (3).

PROCESS FOR PRODUCING SYNTHESIS GAS PRODUCT COMPRISING HYDROGEN

Resumen de: WO2024132579A1

A process for producing a synthesis gas product comprising hydrogen from an endothermic cracking reaction of an ammonia feedstock stream, comprising the following steps: - Providing an ammonia feedstock stream, - Performing a catalytic conversion by catalytically converting the ammonia feedstock stream by cracking endothermically said ammonia feedstock stream into a synthesis gas product comprising hydrogen, - Performing heat exchanges step by performing heat exchanges between the synthesis gas product and the catalytic conversion of the ammonia feedstock stream, said heat exchanges step comprising the following steps: • Discharging the synthesis gas product in a synthesis gas product circulation duct, said duct being arranged for the heat exchanges between the discharged synthesis gas product and the catalytic conversion of the ammonia feedstock stream, • Recovering heat from the discharged synthesis gas product, • Directing the recovered heat to the catalytic conversion of the ammonia feedstock stream.

CONTROLLABLE RECTIFIER ARRANGEMENT FOR HYDROGEN ELECTROLYSIS

Resumen de: WO2024130276A1

The invention relates to a rectifier arrangement for hydrogen electrolysis, comprising a transformer (1) with a primary winding (2) for connecting an input alternating voltage and a secondary winding (3) for providing an output alternating voltage, and comprising a rectifier (4) connected to the secondary winding (3) for generating an output direct current IDC and an output direct voltage UDC, wherein at the primary winding (2) of the transformer (1) a number N > 1 of winding taps (5) are provided, and a load stage switch (6) connected to a controller (7) is provided which is designed for switching the winding taps (5) without interruption such that the transformation ratio of the transformer (1) can be switched via the controller (7) in N stages.

SOC STACK COMPRISING COMBINED FLOW DISTRIBUTOR AND CONTACT ENABLER

Resumen de: CN120476486A

A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.

Circulation-Type Hydrogen Production and Power Generating System

Resumen de: KR20250153897A

본 발명은 수전해 장치에서 생성된 수소와 산소를 수소연료전지 시스템으로 공급하여 전기를 생성하고, 이 과정에서 생성된 물을 다시 수전해 장치로 공급하여 수전해에 사용하는 형태로서 물의 공급없이 또는 최소한의 공급을 통해 전기를 생산하는 순환식 수소생성 및 발전장치를 제공한다.

一种电极催化剂的制备方法

Resumen de: CN118461035A

The invention provides an electrode catalyst and a preparation method and application thereof, the electrode catalyst comprises a nanosheet catalyst structure, a plurality of holes are formed in the surface of the nanosheet catalyst structure, and the size of the holes is smaller than 80 nm. According to the electrode catalyst and the preparation method and application thereof, electrode catalysts of different structures are obtained, the specific surface area of the electrode catalyst is increased, and active sites are increased, so that the catalytic efficiency is improved, and the production cost is reduced.

氨脱氢用催化剂、其制备方法以及利用其制备氢气的方法

Resumen de: WO2024190982A1

Disclosed are a catalyst for the dehydrogenation of ammonia, a manufacturing method therefor, and a method for producing hydrogen using same. The disclosed catalyst for the dehydrogenation of ammonia comprises clay and an alkali metal and ruthenium supported on the clay.

由金属硼氧化物制备金属硼氢化物的方法

Resumen de: US2023024948A1

A method for producing metal borohydride, Me(BH4)n, from metal boron oxide, Me(BO2)n, in which Me is a metal or a molecule that shows metal-like behaviour and can act as a metal, and n is an integer number that can be associated with the valence of the metal, wherein in a first fluidized bed step the metal boron oxide is provided in a first fluidized bed. The first fluidized bed is fluidized using a gas selected from at least one of nitrogen, N2, gas and a noble gas, optionally the noble gas being selected from at least one of helium, He; neon, Ne; argon, Ar; and xenon, Xe, under such circumstances, especially pressure and temperature, that oxygen atoms are removed from the metal boron oxide to provide metal boron, MeBn, particles, possibly ions. In a subsequent second fluidized bed step the metal boron particles are provided in a second fluidized bed that is fluidized using hydrogen, H2, gas under such circumstances that hydrogen chemically reacts with the metal boron particles to provide metal borohydride.

一种电极催化剂及其制备方法与应用

Resumen de: CN118461035A

The invention provides an electrode catalyst and a preparation method and application thereof, the electrode catalyst comprises a nanosheet catalyst structure, a plurality of holes are formed in the surface of the nanosheet catalyst structure, and the size of the holes is smaller than 80 nm. According to the electrode catalyst and the preparation method and application thereof, electrode catalysts of different structures are obtained, the specific surface area of the electrode catalyst is increased, and active sites are increased, so that the catalytic efficiency is improved, and the production cost is reduced.

熱エネルギー貯蔵を伴う電気化学セルシステム及び関連する方法

Resumen de: CN120391000A

An electrochemical cell system (100) comprising: an electrochemical cell arrangement (10); a control unit (20) configured to operate the electrochemical cell arrangement (10) only as an electrolytic cell or as a fuel cell; a heating unit (40) located outside the electrochemical cell arrangement (10), the heating unit being thermally coupled to the electrochemical cell arrangement (10) and the heating unit being configured to alternately store heat from the electrochemical cell arrangement (10) to the heating unit (40) and supply heat from the heating unit (40) to the electrochemical cell arrangement (10); and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cell arrangement (10) to the heating unit (40) and from the heating unit (40) to the electrochemical cell arrangement (10).

水电解系统

Resumen de: US2025333854A1

A water electrolysis system that generates hydrogen and oxygen by electrolysis of water includes a water electrolysis cell including an anode, a cathode, and an electrolyte membrane sandwiched between the anode and the cathode, and a control device that controls electric power supplied to the water electrolysis cell, wherein the control device performs a potential changing process of changing a potential of the anode either or both of upon starting of the water electrolysis system and during continuous operation of the water electrolysis system, and the potential changing process includes a potential lowering process of lowering the potential of the anode to a predetermined potential.

熱交換器

Resumen de: TW202446469A

The invention relates to a thermal inverter (1, 2) for generating from a parent compound a first fluid of first molecules (H2) with a first molecular weight and a second fluid of second molecules (O2) with a second molecular weight, whereby the first molecular weight of the first molecules (H2) is less than the second molecular weight of the second molecules (O2). In a reaction device (1) the parent compound is decomposed into a mixture compound of the first molecules (H2) and the second molecules (O2).In order to improve the efficiency of such a thermal inverter the invention proposes a gas separator device (2) comprising a mixture inlet (26) for the mixture compound of the first and the second molecules at a bottom section (24) of the gas separator device (2) and a first and a second outlet (2() at a top section (25) of the gas separator device (2), the first outlet (27) providing substantially the first molecules (H2) and the second outlet (28) providing substantially the second molecules (O2), the gas separator device (2) further comprising guiding elements (6) for guiding the first and second molecules (H2, O2) from the mixture inlet (26) towards the first and second outlet (27, 28) in a coiled path, wherein the coiled path is confined by a sidewall (29).

アンモニアの合成装置

Resumen de: JP2025162706A

【課題】アンモニアの合成効率を上げることができる合成装置を提供する。【解決手段】合成装置は、窒素を含む原料ガスが供給される反応場にプラズマを発生するプラズマ発生装置と、水蒸気を分解して反応場に水素を発生する電気化学セルと、電気化学セルを作動した後、プラズマ発生装置を作動する制御装置と、を備える。制御装置は、反応場が条件を満たしたと判断される場合にプラズマ発生装置を作動しても良い。制御装置は、水素センサ、水蒸気センサ、計時装置または計測装置の電気信号に基づいてプラズマ発生装置を作動しても良い。【選択図】図１

アンモニアの合成装置

Resumen de: JP2025162704A

【課題】安定してアンモニアを生成できる合成装置を提供する。【解決手段】合成装置は、筒状の電解質と、電解質の内側に配置されたカソードと、電解質の外側に配置されたアノードと、を備える電気化学セルと、カソードと間隔をあけて電気化学セルの内側に配置された電極を含む筒状の電極部材を含み、電極とカソードとの間にプラズマを発生するプラズマ発生装置と、を備え、原料ガスは電極部材の内側の第１の空間に供給され、電気化学セルは電極部材とカソードとの間の第２の空間に水素を発生し、第１の空間と第２の空間とをつなぐ孔が電極に複数設けられ、カソードはプラズマ発生装置のアース電極を兼ねる。【選択図】図１

固体氧化物电解池及其制造方法

Resumen de: US2025333862A1

A solid oxide electrolysis cell includes an oxygen electrode, a fuel electrode, and an electrolyte interposed between the oxygen electrode and the fuel electrode. The oxygen electrode comprises an oxygen electrode carrier comprising internal pores, and an oxygen electrode catalyst supported in the internal pores, and having a perovskite single-phase structure. The fuel electrode comprises a fuel electrode carrier and a fuel electrode catalyst supported on the fuel electrode carrier.

수소 생성 방법

Resumen de: AU2024224275A1

A process for the reaction of aluminium with water comprising the steps of adding aluminium metal to an aqueous solution comprising potassium hydroxide at a concentration of between 0.1M and 0.4M and a surfactant; agitating the mixture of previous step; and collecting generated hydrogen. A composition for use in such a process for reacting aluminium with water, comprising potassium hydroxide and a surfactant.

共電解メタネーション装置

Resumen de: JP2025161369A

【課題】共電解の電解開始時の電流取り出しから定格相当の電流を得るまでの工程において、メタン化反応に最適な（一酸化炭素＋二酸化炭素）／水素の比率を実現し、エネルギー変換効率の向上が可能な、共電解メタネーション装置を提供する。【解決手段】水蒸気と二酸化炭素を電解する共電解部５と、水蒸気と二酸化炭素の流量を制御する流量制御手段と、メタン合成部７と、分離部と、を備える共電解メタネーション装置１であって、共電解部５に電解電力を供給する電解電圧制御手段と、電解電流を計測する電解電流計測手段と、が備えられており、流量制御手段は、共電解部５の電解電流の取り出し開始から定格電解電流に達するまでの過程において、電解電流の増加に応じて、カソード極５３に供給する水蒸気及び二酸化炭素の各流量を制御する。【選択図】図１

共電解メタネーション装置及び共電解メタネーション装置の運転方法

Resumen de: JP2025161367A

【課題】最終出口部分での生成ガスの熱量を高位に保ち、熱量の変動幅を小さくする共電解メタネーション装置及びその運転方法の提供。【解決手段】水蒸気及び二酸化炭素を電気分解して水素、一酸化炭素、水蒸気及び二酸化炭素を含む合成ガスを生成する共電解部５と、共電解部５のカソード極５３に供給する水蒸気及び二酸化炭素の各流量を制御する流量制御手段と、合成ガスを冷却して水を分離し、圧縮する水分離・圧縮部６と、水が分離された合成ガスをメタン化触媒に通じてメタネーションを行うメタン合成部７と、メタン合成部７より送出されるガスからメタンを分離する分離部と、を備える共電解メタネーション装置１であって、二酸化炭素の流量に対する水蒸気の流量の比率である基準流量比率を算出する流量比算出手段９を備え、基準流量比率に基づき、カソード極５３に供給する水蒸気及び二酸化炭素の各流量を制御する。【選択図】図１

액체 환경에서 펄스 전자기장들에 의해 국한된 플라즈마를 이용하는 수소 생성 시스템

Nº publicación: KR20250153215A 24/10/2025

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코에네만로버트엘

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.