Alerta

一种双位点催化剂及其制备方法与应用

Resumen de: CN121575436A

本发明涉及电催化剂技术领域，具体公开了一种双位点催化剂及其制备方法与应用，本发明提供一种电解水阳极催化剂制备方案，该方案采用温和的低温水热法及乙二醇原位热还原工艺，成功构建了催化位点‑质子传输位点的双位点协同体系，片状磷酸氧铌载体提供了较大的比表面积和优异的质子导电性，确保质子能够迅速传导至电解液中，避免了质子积累带来的负面效应，有效抑制了局部微环境酸化导致的金属铱溶解与脱落，维持催化剂的热力学稳定性，将金属铱纳米颗粒负载在片状磷酸氧铌载体上，金属铱作为反应活性位点，提供了高效的析出反应活性，磷酸氧铌载体作为质子导电位点，协同金属铱提高了反应效率，二者的协同作用显著提升了催化活性和稳定性。

一种复合电极材料及其制备方法

Resumen de: CN121575443A

本发明公开了一种复合电极材料及其制备方法，属于电解水析氢催化剂合成技术领域。本发明的复合电极材料的制备方法，包括以下步骤：将煤质炭、导电剂和粘结剂配制成浆料，涂敷在电极基材上，然后以阶梯型递增电压进行电沉积，得到复合电极材料。本发明制备的复合电极材料具有较低的过电位，电催化性能良好，且具有优异的电催化稳定性。

考虑温度-压力-水影响的质子交换膜电解槽自适应调频控制方法

Resumen de: CN121584591A

本发明公开考虑温度‑压力‑水影响的质子交换膜电解槽自适应调频控制方法，包括以下步骤：1）基于PEMEL动态运行特性，构建考虑温度、压力和含水量耦合效应的PEMEL动态模型，为调频控制策略设计提供精确的模型基础；2）剖析PEMEL在不同稳态运行点下的调频性能；3）剖析PEMEL的温度、压力、含水量对其最大制氢功率的影响机理；4）提出PEMEL在温度、压力、含水量影响下的调频功率补偿方法；5）基于模糊控制理论及PEMEL的运行点实时状态，设计PEMEL的虚拟惯量和一次调频参数自适应整定机制，研究PEMEL自适应调频策略。本发明通过考虑温度‑压力‑水影响的PEMEL自适应调频控制策略实现PEMEL调频性能的精准感知与动态优化控制。

一种甲烷化方法和系统

Resumen de: AU2024321116A1

The present invention relates to a methanation method comprising providing an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) that has at least one electrolyser cell (11), at least one fuel input (14) through which fuel enters the electrolyser (10) and at least one offgas output (46) from which offgas exits the electrolyser (10), the method further comprising supplying fuel to the at least one fuel inlet, the fuel comprising at least water and either or both carbon dioxide and carbon monoxide, operating the electrolyser system (20) by powering the electrolyser cell (11) with electricity to electrolyse the fuel in the at least one electrolyser cell (11) such that a part of the water splits into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150 degrees C, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). The gas mixture can be released from the at least one offgas output (46) and then passed through a gas separation process to separate at least the methane from the gas mixture. The present invention also relates to an electrolyser system (20) configured to operate using the above method. The electrolyser system (20) comprises a fuel fluid flow path connecting a fuel inlet and a fuel outlet. The method may comprise providing to the fuel inlet a fuel gas containing water and a source of carbon selected from one or more of CO and CO2, operating the ele

一种质子交换膜电解槽密封垫片装配用粘接剂及其制备方法

Resumen de: CN121574674A

本发明涉及质子交换膜电解槽装配技术领域，本发明公开了一种质子交换膜电解槽密封垫片装配用粘接剂及其制备方法，粘接剂包括质量分数如下的原料：原胶5%‑40%、乳化剂1%‑10%、增粘剂2%‑10%和溶剂40%‑90%组成。将原料在20℃‑50℃的环境下充分搅拌，搅拌混合均匀即得到本申请的粘接剂。本发明的粘接剂粘结强度高的同时粘性低、固化时间短，相较传统的粘结剂具有显著的优势；同时，使用方法操作简单、易于点胶，适配各种自动化操作过程，应用本申请的粘接剂能够解决低表面能橡胶和钛金属件难以固定的问题，提升密封垫片搭接效率和搭接稳定性。

ナノ金属酸化物および水素の製造方法

Resumen de: US20260048995A1

A method for manufacturing nano metal oxides and hydrogen includes the following steps: Step A, providing a first reactor, and placing a metal material, an alcohol compound, and a first catalyst in the first reactor and applying heating thereto for reacting to generate a metal alkoxide compound, while simultaneously generating a substantial amount of hydrogen; and Step B, providing a second reactor, and, after the metal material in the first reactor has fully reacted in Step A, transferring remaining solution in the first reactor into the second reactor, and adding a second catalyst and a controlled amount of water, and applying appropriate heating to generate nano metal oxide in powder form. As such, effects of significant reduction of production cost, enhancement of safety, widespread application of hydrogen fuel cells, extremely low carbon emissions, being defined as “green hydrogen”, and reduction of storage costs and risks can be achieved.

Catalyst structure for hydrogen evolution reaction and fabrication method of the same

Resumen de: KR20260026365A

본 발명에 따른 촉매 구조체 제조 방법은, 전도성 집전체를 준비하는 단계, 전이금속 및 칼코겐 원소를 포함하는 촉매층 소스를 준비하는 단계, 상기 전도성 집전체 상에 상기 촉매층 소스를 코팅하여 예비 촉매층을 포함하는 예비 촉매 구조체를 제조하는 단계, 및 상기 예비 촉매 구조체, 알칼리 금속 전극, 및 전해질을 이용한 전기화학적 양이온 주입 방법으로, 상기 예비 촉매 구조체의 상기 예비 촉매층을 촉매층으로 전환시켜 상기 촉매층을 포함하는 상기 촉매 구조체를 제조하는 단계를 포함하고, 전기화학적 양이온 주입 과정에서, 과전압의 방전에 의해 상기 촉매층의 결정 구조가 반도체 특징을 갖는 결정 구조에서 금속 특징을 갖는 결정 구조로 전환되는 것을 포함할 수 있다.

HYDROGEN STORAGE MEDIUM

Resumen de: WO2026039871A1

The present disclosure relates to hydrogen storage mediums comprising sodium borohydride, magnesium oxide, and magnesium which release hydrogen when contacted with a proton source. The present disclosure also relates to methods of producing hydrogen storage mediums.

Device And Method For Investigating Chemical Processes

Resumen de: US20260054247A1

The invention relates to a device, stacked plate reactor and to a method for investigating chemical processes to be carried out simultaneously or almost at the same time on a large number of functional element variations of the process parameters.

Pure-Phase Cubic Ni1-xMox Alloy Nanoparticles as Low-Cost and Earth Abundant Electrocatalysts

Resumen de: US20260055524A1

Low-cost and earth abundant, Ni1-xMox alloy nanocrystals, with sizes ranging from 18-43 nm and varying Mo composition (0.0-11.4%), were produced by a colloidal chemistry method for alkaline HER reactions. For a water splitting current density of −10 mA/cm2, these alloys demonstrate over-potentials of −62 to −177 mV, which are comparable to commercial Pt-based electrocatalysts (−68 to −129 mV). The cubic Ni0.934Mo0.066 alloy nanocrystals exhibit the highest activity as alkaline HER electrocatalysts, outperforming commercial Pt/C (20 wt %) catalyst.

MIXED METAL OXIDE AEROGELS FOR ELECTROLYZERS

Resumen de: US20260055523A1

The technology generally concerns novel aerogels of mixed metal oxides and uses thereof as electrocatalysts.

Hydrogen Gas Production Assembly and Method for Production of Hydrogen Gas

Resumen de: US20260055522A1

Provided herein is a hydrogen gas production assembly includes a hydrogen gas production device, a container including an aqueous electrolyte solution, a storage container for storing produced hydrogen gas an input providing the aqueous electrolyte solution from the container to the hydrogen gas production device and an output for transferring produced hydrogen gas from the hydrogen gas production device to the storage container.

ELECTROLYSIS APPARATUS OPERATION SYSTEM

Resumen de: US20260055519A1

An electrolysis apparatus operation system includes an electrolysis apparatus, a control unit, a target state-of-health value input unit, and a control parameter calculating unit. The electrolysis apparatus has a plurality of electrolytic stacks in which a plurality of electrolytic cells that produce hydrogen by electrolyzing water are stacked. The control unit controls a controlled subject based on a control parameter that affects state-of-health of the controlled subject. The target state-of-health value input unit allows a system user to input a target state-of-health value that is a target value for state-of-health. The control parameter calculating unit calculates a control parameter of the controlled subject based on the target state-of-health value. The controlled subject is the electrolysis apparatus.

ELECTROCHEMICAL HYDROGEN PRODUCTION UTILIZING AMMONIA WITH OXIDANT INJECTION

Resumen de: US20260055518A1

Herein discussed is a method of producing hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the membrane is both electronically conducting and ionically conducting; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia; (c) introducing an oxidant to the anode; and (d) introducing a second stream to the cathode, wherein the second stream comprises water and provides a reducing environment for the cathode; wherein hydrogen is generated from water electrochemically; wherein the first stream and the second stream are separated by the membrane; and wherein the oxidant and the second stream are separated by the membrane.

MICROORGANISMS AND ARTIFICIAL ECOSYSTEMS FOR THE PRODUCTION OF PROTEIN, FOOD, AND USEFUL CO-PRODUCTS FROM C1 SUBSTRATES

Resumen de: US20260055517A1

Microorganisms and bioprocesses are provided that convert gaseous C1 containing substrates, such as syngas, producer gas, and renewable H2 combined with CO2, into nutritional and other useful bioproducts.

WATER ELECTROLYSIS CELL

Resumen de: US20260055516A1

A water electrolysis cell includes a membrane-electrode assembly, a frame body made of resin that is provided along a peripheral edge of the membrane-electrode assembly, and a first separator and a second separator that face each other through the membrane-electrode assembly and the frame body and are joined to each other by the frame body. An outer peripheral portion of the membrane-electrode assembly is extended to between a first face of the frame body and the first separator. A surface of the first face includes an antioxidant.

METHOD AND SYSTEM FOR HYDROGEN PRODUCTION

Resumen de: US20260054981A1

A method for hydrogen production may comprise: feeding a steam stream and a natural gas stream to a methane reforming unit to produce a gray hydrogen gas and CO2 stream; feeding the gray hydrogen and CO2 stream to a CO2 capture unit to produce blue hydrogen; feeding a water stream and electricity to an electrolyzer unit to produce a green hydrogen gas and oxygen; and collecting the blue hydrogen from the CO2 capture unit and the green hydrogen from the electrolyzer unit. A hydrogen production system may comprise: a methane reforming unit; a CO2 capture unit; and an electrolyzer.

Water electrolyzer

Resumen de: AU2026200812A1

22418031_1 (GHMatters) P121123.AU.1 The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also 5 relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers. eb e b

RENEWABLE ENERGY SOURCE USING PRESSURE DRIVEN FILTRATION PROCESSES AND SYSTEMS

Resumen de: AU2024327448A1

The present invention relates generally to the production of a desalinated, filtrated or other way treated water simultaneously with generation of renewal energy source, in particular hydrogen, using osmotic and/or gauge pressure driven filtration processes and systems. The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination/filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and/or permeate involved in a desalination/filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi- permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.

ELEKTROLYSEVORRICHTUNGSBETRIEBSSYSTEM

Resumen de: DE102025133002A1

Ein Elektrolysevorrichtungsbetriebssystem beinhaltet eine Elektrolysevorrichtung, eine Steuereinheit, eine Zielgesundheitszustandswerteingabeeinheit und eine Steuerparameterberechnungseinheit. Die Elektrolysevorrichtung weist eine Vielzahl von Elektrolyse-Stacks auf, in denen eine Vielzahl von Elektrolysezellen, die Wasserstoff durch Elektrolyse von Wasser erzeugen, gestapelt sind. Die Steuereinheit steuert ein gesteuertes Objekt basierend auf einem Steuerparameter, der den Gesundheitszustand des gesteuerten Objekts beeinflusst. Die Zielgesundheitszustandswerteingabeeinheit ermöglicht es einem Systembenutzer, einen Zielgesundheitszustandswert einzugeben, der ein Zielwert für den Gesundheitszustand ist. Die Steuerparameterberechnungseinheit berechnet einen Steuerparameter des gesteuerten Objekts basierend auf dem Zielgesundheitszustandswert. Das gesteuerte Objekt ist die Elektrolysevorrichtung.

Bipolarplatte für ein Elektrolysesystem

Resumen de: DE102024207916A1

Die vorgestellte Erfindung betrifft eine Bipolarplatte (100) für ein Elektrolysesystem (200),wobei die Bipolarplatte (100) umfasst:- einen Grundkörper (101) mit einer ersten Seite (103) und einer der ersten Seite (103) gegenüberliegenden zweiten Seite (105),wobei zumindest auf der ersten Seite (103) eine Vielzahl Kanäle (107) von einem ersten Ende zu einem dem ersten Ende gegenüberliegenden zweiten Ende der Bipolarplatte (100) verlaufen,wobei zwischen jeweiligen benachbarten Kanälen (107) Leitpfade (109) ausgebildet sind, undwobei jeweilige Kanäle (107) eine Anzahl Öffnungen (111) umfassen, die dazu konfiguriert sind, durch die Kanäle (107) strömendes Fluid in die Leitpfade (109) zu leiten.

WASSERELEKTROLYSEZELLE

Resumen de: DE102025110831A1

Eine Wasserelektrolysezelle beinhaltet eine Membran-Elektroden-Anordnung, einen Rahmenkörper aus Harz, der entlang einer Umfangskante der Membran-Elektroden-Anordnung bereitgestellt ist, und einen ersten Separator und einen zweiten Separator, die einander durch die Membran-Elektroden-Anordnung und den Rahmenkörper gegenüberliegen und durch den Rahmenkörper miteinander verbunden sind. Ein äußerer Umfangsabschnitt der Membran-Elektroden-Anordnung erstreckt sich bis zwischen einer ersten Fläche des Rahmenkörpers und den ersten Separator. Eine Oberfläche der ersten Fläche beinhaltet ein Antioxidationsmittel.

PROCESSES FOR PREPARING LITHIUM HYDROXIDE

Resumen de: US20260055526A1

There are provided system for preparing lithium hydroxide from an aqueous composition comprising a lithium compound and use of the system thereof to prepare lithium hydroxide, the system comprising an electrochemical cell, a pH probe and at least one inlet for receiving acid or base for maintaining pH. For example, the lithium compound can be lithium sulphate and the aqueous composition can be at least substantially maintained at a pH having a value of about 2 to about 4.

WATER ELECTROLYSIS METHOD FOR BUFFER SOLUTION AND SYSTEM THEREFOR

Resumen de: WO2026042828A1

Problem To provide a water electrolysis method and a water electrolysis system with which water electrolysis can be highly efficiently performed under non-extreme pH conditions. Solution Provided is a water electrolysis method in a buffer solution having a pH of 7 to 12, wherein the buffer solution is composed of an electrolyte solution containing at least one cation species selected from the group consisting of alkali metal cations and at least one anion species selected from the group consisting of borates and carbonates, and the electrolyte solution contains 0.1 to 6.0 mol/kg of phosphate ions.

HYDROGEN EVOLUTION ELECTROCATALYST, PREPARATION METHOD THEREFOR, AND USE THEREOF

Nº publicación: WO2026040290A1 26/02/2026

Solicitante:

PETROCHINA SHENZHEN NEW ENERGY RES INSTITUTE CO LTD [CN]
PETROCHINA COMPANY LTD [CN]
\u4E2D\u77F3\u6CB9\u6DF1\u5733\u65B0\u80FD\u6E90\u7814\u7A76\u9662\u6709\u9650\u516C\u53F8,
\u4E2D\u56FD\u77F3\u6CB9\u5929\u7136\u6C14\u80A1\u4EFD\u6709\u9650\u516C\u53F8

Resumen de: WO2026040290A1

A hydrogen evolution electrocatalyst, a preparation method therefor, and the use thereof. The hydrogen evolution electrocatalyst comprises a nickel foam substrate, a Ni3S2 nanosheet layer and a graphdiyne coating layer; at least part of the outer surface of the nickel foam substrate is provided with the Ni3S2 nanosheet layer; nickel atoms in the Ni3S2 nanosheet layer come from the nickel foam substrate; at least part of the outer surface of the Ni3S2 nanosheet layer is provided with the graphdiyne coating layer. The hydrogen evolution electrocatalyst has the characteristic of high catalytic activity.