Hidrogeno elektrolitikoa

由含碳废弃材料制备合成气的方法

Resumen de: WO2025163482A1

Process for the production of syngas from carbonaceous waste material and CO2 comprising the following stages: a stage a) comprising the reaction R1 in which the carbonaceous material is reacted with carbon dioxide to obtain carbon monoxide according to the following reaction scheme: R1 CO2 + C = 2 CO; a stage b) of producing H2 and adding it to the carbon monoxide obtained in stage a) to obtain syngas, wherein stage b) comprises at least one of the following stages: bl) the carbon monoxide from the previous stage is reacted with water vapour to obtain carbon dioxide and hydrogen according to the following reaction scheme: R2 CO + H2O = CO2 + H2 b2) producing hydrogen by means of electrolysis of water, which is added to the carbon monoxide from stage a). The invention also relates to the unit in which stages a) and bl) are conducted as well as the related apparatus comprising the aforementioned unit.

用于产生氢气的方法和设备

Resumen de: EP4635599A1

0001 An method (100-600) for producing hydrogen is proposed, comprising providing a first gas (1) containing hydrogen, oxygen and water, said providing the first gas (1) comprising an electrolytic conversion of water; providing a second gas (5) containing hydrogen, oxygen and water, said providing the second gas (5) comprising a condensative removal of water from the first gas (1) or a part thereof; and providing a third gas (10) containing hydrogen, said providing the third gas (10) comprising an adsorptive removal of water and a catalytic removal of oxygen from the second gas (5) or a part thereof using a adsorptive and catalytic treatment arrangement (110) comprising treatment vessels (A, B), wherein each of the treatment vessels (A, B) comprises, in a first direction from a first opening to a second opening, a first adsorption layer (211), a catalytic layer (212) and a second adsorption layer (213), wherein each of the treatment vessels (A, B) is alternatingly operated in a treatment mode and a regeneration mode, wherein, in the treatment mode, the second gas (5) or a part thereof is passed in the first direction through the treatment vessels (A, B), wherein, in the treatment mode, the first adsorption layer (211) and the second adsorption layer (213) are used for said adsorptive removal of water and the catalytic layer (212) is used for said catalytic removal of oxygen, wherein, in the regeneration mode, the treatment vessels (A, B) are heated using a heating gas (5a,

脱合金化電極触媒

Resumen de: WO2025068691A1

The present invention provides a process for preparing solid, non-porous, de-alloyed electrocatalyst particles, the process comprising the steps of: providing solid, non-porous, platinum group metal alloy precursor particles PMn in which P is a platinum group metal and M is at least one alloying metal; in a de-alloying step to provide the solid, non-porous, de- alloyed electrocatalyst particles; supplying carbon monoxide to the precursor particles under conditions which remove at least some of the metal M from the surface of the precursor particles; wherein the de-alloyed electrocatalyst particles are particles of a platinum group metal alloy PMX in which P is a platinum group metal and M is at least one alloying metal, wherein the total atomic composition relative to P of M at the surface of the de-alloyed electrocatalyst is lower than the total atomic composition relative to P of M in the bulk of the de-alloyed electrocatalyst, and wherein x is less than n.

電気化学的かつ可逆的に二水素を貯蔵する装置

Resumen de: EP4541945A1

The invention relates to Device for electrochemical reversible dihydrogen storage (1), said device comprising: a sealed chamber (2) intended to receive an electrolytic media (3) and gaseous dihydrogen (4), connection means (5) suitable for connecting the seal chamber to a gas circuit (6) and at least one first electrode (7), and at least one second electrode (8), arranged within the sealed chamber. The at least one second electrode is suitable to oxidize dissolved gaseous dihydrogen, in the electrolytic media, and form protons and to reduce protons and form gaseous dihydrogen according to formula 1: H₂ ↔ 2H⁺ + 2e^-, formula 1. The at least one first electrode comprises at least one redox couple M^y/M^x, insoluble in the electrolytic media, said at least one redox couple being arranged to exhibit at least two oxidation states and being suitable to be reduced from an oxidized state M^y to a reduced state M^x, and conversely, according to formula 2: M^y + pe^- ↔ M^x, formula 2, wherein x and y are oxidation number. An absolute potential difference |ΔE| between a redox potential of the couple H⁺/H₂, for a predetermined electrolytic media and a predetermined pressure range of gaseous dihydrogen, and a redox potential of the at least one couple M^y/M^x is lower than or equal to 0.6 V.

具有泄压功能的氢气产生装置

Resumen de: CN116265612A

0001 A hydrogen generating device with pressure relief function includes a water tank, an electrolytic cell, a humidification cup, a first valve element, and a second valve element. The water tank has a containment space for containing electrolyzed water. The electrolytic cell is disposed in the water tank and used to electrolyze the electrolyzed water to generate hydrogen-containing gas. The humidification cup is disposed above the water tank and used to humidify the hydrogen-containing gas. The humidification cup includes a humidification chamber and a gas passage that are isolated from each other, and the gas passage is connected to the water tank. The first valve element is used to selectively connect the humidification chamber to the external environment. The second valve element is used to selectively connect the containment space and the humidification chamber. When the electrolytic cell stops operating, ambient air enters the containment space through the first and second valve elements to balance the pressure in the water tank.

Réservoir générant de l’hydrogène

Resumen de: FR3174558A1

Réservoir générant de l’hydrogène. Figure pour l’abrégé : Fig. 1

水電解器のための拡縮可能な（ｓｃａｌａｂｌｅ）電極流れ場およびそれを高速で製造する方法

Resumen de: WO2023136979A2

The present disclosure provides approaches for increasing the adhesion of a catalyst ink on a substrate, use of binders within an electrode ink to enhance coating uniformity, incorporating pore-forming agents within an electrode ink, approaches for growing an electrode on a reinforcement layer, increasing the electrochemically active surface area, and incorporation of certain materials in an electrode ink. The present disclosure also relates to electrodes for electrochemical cells, including area-scalable electrodes designed for high-speed manufacturing. The materials, devices and methods described herein may apply to either one or both of an anode or a cathode electrode for an electrochemical cell.

SMALL MODULAR REACTOR DRIVEN LOW-TEMPERATURE METHANOL AND SUBSEQUENT CHEMICAL PRODUCTION PATHWAYS

Resumen de: US20260337137A1

An integrated energy system (IES) including a power plant is discussed herein. In some examples, the IES may include a power plant configured to generate steam, a Low-Temperature Methane Steam Reforming plant configured to receive at least a portion of the steam from the power plant to react with Methane within the Low-Temperature Methane Steam Reforming plant to produce Hydrogen, first Carbon Monoxide, and Carbon Dioxide, a first separation unit configured to separate the Hydrogen, the first Carbon Monoxide, and the Carbon Dioxide, a Solid Oxide Electrolysis Stack configured to receive at least a portion of the Carbon Dioxide and to produce second Carbon Monoxide and Oxygen, a second separation unit configured to separate the Carbon Dioxide from the second Carbon Monoxide, and a methanol synthesis reactor configured to receive at least a portion of the Hydrogen and at least a portion of the second Carbon Monoxide to produce Methanol.

ALKALINE WATER ELECTROLYZER FOR HYDROGEN PRODUCTION PROVIDED WITH AUXILIARY GASKET ELEMENTS

Resumen de: WO2026222829A1

The present invention relates to the technical field of electrolyzers, and specifically relates to an alkaline water electrolyzer for hydrogen production provided with auxiliary gasket elements. Said alkaline water electrolyzer comprises auxiliary gasket elements arranged between an end compression plate and an end electrode plate of an alkaline water electrolyzer for hydrogen production, the auxiliary gasket elements being elastic, and the auxiliary gasket elements being not in contact with an internal electrolyte of the alkaline water electrolyzer for hydrogen production. The present invention can optimize and improve the stress state of sealing gaskets, thereby addressing the problem that sealing gaskets are prone to damage due to pressure fluctuations in electrolyzers and thermal expansion and contraction which are caused by frequent start-ups and shutdowns. In particular, the present invention solves the problem that sealing gaskets adjacent to end electrode plates are more prone to failure and damage, thereby improving the operational reliability and safety of alkaline water electrolyzers for hydrogen production.

MODIFIED MXENE MATERIALS

Nº publicación: AU2025259042A1 29/10/2026

Solicitante:

ROYAL MELBOURNE INST OF TECHNOLOGY
ROYAL MELBOURNE INSTITUTE OF TECHNOLOGY

Resumen de: AU2025259042A1

This disclosure describes freestanding or delaminated two-dimensional (2D) sheets of at least dual modified functionalised MXene materials, Mn+1XnTx, having electronegative surface groups and non-metal dopant and electrochemically active dopant atoms in the materials, suitable as OER catalysts.