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WATER ELECTROLYSIS SYSTEM AND WATER ELECTROLYSIS SYSTEM CONTROL DEVICE

Resumen de: WO2025041428A1

Provided is a water electrolysis system that alters power consumption by sensing a system frequency to rapidly change power consumption, wherein a suitable adjustment margin that can be accommodated instantaneously by an electrolytic cell is calculated so as to suppress deterioration or failure of the electrolytic cell. This water electrolysis system is configured by including: a rectifier that converts alternating-current power of a power system to direct-current power; an electrolysis tank that performs water electrolysis using the direct-current power from the rectifier; a gas-liquid separator that performs gas-liquid separation of oxygen and hydrogen from a fluid that is a mixture of oxygen and water from the electrolytic cell; and a cooling system that supplies water to the electrolytic cell. The water electrolysis system is characterized in that: the rectifier is controlled so as to adjust power consumption in accordance with the frequency of the power system; the power consumption is adjusted so that the power consumption in the electrolytic cell is within a limited range for power consumption; and the limited range for power consumption is determined on the basis of the temperature and deterioration rate of the electrolytic cell, the pressure of water at an exit of the electrolytic cell, and the flow rate of the supplied water.

ELECTROLYSIS SYSTEM WITH A GEOTHERMALLY HEATED FEED STREAM

Resumen de: WO2025043182A1

A geothermally powered hydrogen production system includes a wellbore that heats a heat transfer fluid, thereby forming heated heat transfer fluid. A heat exchanger heats a feed stream using the heated heat transfer fluid, thereby forming a heated feed stream. An electrolyzer receives the heated feed stream and generates hydrogen from the heated feed stream.

INTEGRATED PROCESSES UTILIZING WATER ELECTROLYSIS AND OXIDATIVE DEHYDROGENATION OF ETHANE

Resumen de: WO2025042807A1

Processes for converting ethane into ethylene include the steps of subjecting a water feed stream to electrolysis to form O2 and H2, subjecting a mixture of ethane and O2 to oxidative dehydrogenation to form a reaction product containing ethylene, acetic acid, water, and CO/CO2, separating the reaction product into an ethylene product stream, an acetic acid product stream, a water product stream, and a gas stream containing CO/CO2, and introducing the water product stream into the water feed stream for electrolysis. The ethylene product stream can be contacted with a suitable polymerization or oligomerization catalyst composition to produce ethylene polymers or ethylene oligomers.

DECARBONISING OF (METH)ACRYLATE PREPARATION

Resumen de: WO2025040614A1

The present invention relates to a method for the preparation of a (meth)acrylate in which firstly, a first stream is provided. The first stream contains a hydrocarbon and/or hydrogen. The first stream is reacted with a CO2-containing stream, which is provided by thermal reaction, thereby obtaining a compound having 1 to 4 carbon atoms and 1 to 2 oxygen atoms. This compound is then further reacted to form (meth)acrylate, said reaction comprising the reaction of ethene and/or methanol with a CO-containing stream.

SUBSTRATE FOR USE AS AN ELECTRODE IN AN ELECTROLYTIC CELL, ELECTROLYTIC HALF-CELL COMPRISING SUCH A SUBSTRATE, AND ELECTROLYTIC CELL COMPRISING SUCH HALF-CELLS

Resumen de: WO2025040493A1

The invention relates to a metal substrate (10-1, 10-2) for use as an electrode (206-1, 206-2) in an electrolytic cell (200), wherein: the substrate (10-1, 10-2) extends in a planar manner in a substrate plane; the substrate plane is spanned by a substrate longitudinal direction (12) and substrate transverse direction (14); the substrate (10-1, 10-2) has a front face (18) and an opposite rear face (20) and has a thickness in a thickness direction orthogonal to the substrate plane; in the substrate (10-1, 10-2) a plurality of through channels (26) are formed which are each delimited by a wall of the substrate (10-1, 10-2); the wall delimiting a respective through channel (26) has upper wall portions which delimit the through channel (26) towards the top; and at least some of the upper wall portions are inclined upwards at an angle in the direction towards the rear face in a respective guide region. The invention also relates to an electrolytic cell (200) comprising such a substrate (10-1, 10-2).

PROCESS FOR PRODUCING LOW, NEUTRAL, AND/OR NEGATIVE CARBON INTENSITY OLEFIN PRODUCT

Resumen de: WO2025042447A1

A method for producing an olefin product, including the steps of converting a hydrocarbon feedstock to an unsaturated hydrocarbon stream through a steam cracking process in an olefins production plant; combusting hydrogen to provide at least some of the heating duty to the steam cracking process, wherein the hydrogen has a carbon intensity less than about 1.0 kg CO2e / kg H2, wherein the hydrogen is produced using a hydrogen production process; providing at least some of the required energy for the hydrogen production process from a biomass power plant; and processing the unsaturated hydrocarbon stream to recover the olefin product. The olefin product may comprise ethylene having a well-to-gate carbon intensity less than about 0.6 kg CO2e / kg C2H4, or may comprise propylene having a well-to-gate carbon intensity less than about 0.6 kg COCO2e / kg C3H6.

System und Verfahren zur Gewinnung von getrocknetem Wasserstoff

Resumen de: DE102023122838A1

System (30) zur Gewinnung von getrocknetem Wasserstoff, mit einer Elektrolysevorrichtung (31) zur Gewinnung von Wasserstoff aus Wasser, mit einer Trocknungsvorrichtung (35) zur Trocknung eines in der Elektrolysevorrichtung (31) gewonnenen Wasserstoff-Wasser-Gemischs, wobei die Trocknungsvorrichtung eine erste Trocknungseinrichtung (36) zum Entfernen flüssigen Wassers aus dem in der Elektrolysevorrichtung (31) gewonnenen Wasserstoff-Wasser-Gemisch aufweist, wobei die Trocknungsvorrichtung (35) einen ersten Wärmetauscher (38) zum Abkühlen des in der ersten Trocknungseinrichtung (36) teilgetrockneten Wasserstoff-Wasser-Gemischs unter Auskondensieren dampfförmigen Wassers aufweist, wobei die Trocknungsvorrichtung eine zweite Trocknungseinrichtung (42) zum Entfernen des auskondensierten Wassers aus dem abgekühlten Wasserstoff-Wasser-Gemisch aufweist, mit einem zweiten Wärmetauscher (40) zum weiteren Abkühlen des in dem ersten Wärmetauscher (38) abkühlten Wasserstoff-Wasser-Gemischs unter weiterem Auskondensieren dampfförmigen Wassers, wobei der erste Wärmetauscher (38) eingerichtet ist, zur Kühlung des die erste Trocknungseinrichtung (36) verlassenden Wasserstoff-Wasser-Gemischs das die zweite Trocknungseinrichtung (42) verlassende Wasserstoff-Wasser-Gemisch über den ersten Wärmetauscher zu führen, wobei der zweite Wärmetauscher (40) eingerichtet ist, zur Kühlung des den ersten Wärmetauscher (38) verlassenden Wasserstoff-Wasser-Gemischs ein Kühlmittel über den

Elektrolyseur und Verfahren zur Herstellung einer Platte eines stapelförmigen Elektrolyseurs

Resumen de: DE102023122491A1

Eine elektrisch leitfähige Platte (3) eines Zellenstapels eines Elektrolyseurs zur Wasserstoffherstellung umfasst einen als 3D-Druck-Teil ausgebildeten metallischen Plattengrundkörper (4), welcher mindestens eine Nut (9) aufweist, in der sich eine als Spritzgusskomponente ausgebildete Dichtung (5) befindet.

Substrat für den Einsatz als Elektrode in einer Elektrolysezelle

Resumen de: DE102023122813A1

Die Erfindung betrifft ein metallisches Substrat (10) für den Einsatz als Elektrode (206-1) in einer Elektrolysezelle (200), wobei das Substrat in einer Substratebene flächig erstreckt ist, wobei die Substratebene durch eine Substratlängsrichtung (12) und eine Substratquerrichtung (14) aufgespannt ist, wobei das Substrat eine Vorderseite (18) und eine gegenüberliegende Rückseite (20) aufweist und eine Dicke in einer zu der Substratebene orthogonalen Dickenrichtung aufweist, wobei in dem Substrat eine Mehrzahl von Durchgangskanälen (26) ausgebildet sind, welche jeweils durch eine Wandung des Substrats begrenzt sind, wobei die einen jeweiligen Durchgangskanal begrenzende Wandung obere Wandungsabschnitte aufweist, welche den Durchgangskanal nach oben begrenzen, wobei zumindest eine Teilmenge der oberen Wandungsabschnitte in einem jeweiligen Führungsbereich in Richtung zur Rückseite hin schräg nach oben geneigt ist. Die Erfindung betrifft auch eine Elektrolysezelle (200) umfassend ein solches Substrat (10).

RENEWABLE ENERGY SOURCE USING PRESSURE DRIVEN FILTRATION PROCESSES AND SYSTEMS

Resumen de: WO2025041021A1

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.

METHOD FOR PREPARING ZINC-DOPED COBALT SELENIDE CATALYST

Resumen de: WO2025039409A1

The present invention belongs to the field of functional materials. Provided is a method for preparing a zinc-doped cobalt selenide catalyst. The method for preparing a zinc-doped cobalt selenide catalyst comprises: adding a selenium powder to a potassium hydroxide solution, stirring same until the selenium powder is dissolved, then adding deionized water, cobalt nitrate, zinc nitrate and ethylenediaminetetraacetic acid disodium salt to the resulting solution, continuing stirring, putting the finally obtained solution into a polytetrafluoroethylene reaction kettle for a hydrothermal reaction, and after the reaction is finished, cooling the resulting reaction product to room temperature and then washing, drying and grinding same, so as to obtain a zinc-doped cobalt selenide catalyst. In the method for preparing a zinc-doped cobalt selenide catalyst provided by the present invention, during the preparation process, the raw materials are readily available, the reaction conditions are mild, and a zinc-doped cobalt selenide catalyst can be obtained at a relatively low temperature, all of which are beneficial for reducing the production cost. The zinc-doped cobalt selenide catalyst prepared in the present invention has a unique rod-like structure and good electro-catalytic performance, and the obtained electrocatalyst is non-toxic and harmless, and has wide application prospects.

MICROBIAL CONVERSION OF CO2 AND OTHER C1 SUBSTRATES TO VEGAN NUTRIENTS, FERTILIZERS, BIOSTIMULANTS, AND SYSTEMS FOR ACCELERATED SOIL CARBON SEQUESTRATION

Resumen de: US2025066716A1

Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.

MICROBIAL CONVERSION OF CO2 AND OTHER C1 SUBSTRATES TO VEGAN NUTRIENTS, FERTILIZERS, BIOSTIMULANTS, AND SYSTEMS FOR ACCELERATED SOIL CARBON SEQUESTRATION

Resumen de: US2025066715A1

Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.

INTEGRATED PROCESSES UTILIZING WATER ELECTROLYSIS AND OXIDATIVE DEHYDROGENATION OF ETHANE

Resumen de: US2025066274A1

Processes for converting ethane into ethylene include the steps of subjecting a water feed stream to electrolysis to form O2 and H2, subjecting a mixture of ethane and O2 to oxidative dehydrogenation to form a reaction product containing ethylene, acetic acid, water, and CO/CO2, separating the reaction product into an ethylene product stream, an acetic acid product stream, a water product stream, and a gas stream containing CO/CO2, and introducing the water product stream into the water feed stream for electrolysis. The ethylene product stream can be contacted with a suitable polymerization or oligomerization catalyst composition to produce ethylene polymers or ethylene oligomers.

A FUNCTIONAL PV POWERED FACILITATED WATER ELECTROLYZER SYSTEM FOR SOLAR HYDROGEN GENERATION AND PROCESSES THEREOF

Resumen de: US2025066932A1

The present disclosure provides a functional (photovoltaic) PV powered facilitated Water electrolyzer system for solar hydrogen generation having two components: a functional PV panel and a facilitated water electrolyzer. The present invention provides functional PV powered facilitated water electrolyzer (F-PV-WE) systems. The invention provides a process using integrated functional PV with facilitated water electrolysis for multiproduct generation including hydrogen, oxygen and hypochlorite with reduction in energy and environmental footprint.

Methods of Operating a Water Electrolyzer

Resumen de: US2025066934A1

A method of running a water electrolyzer that can operate on seawater without a significant voltage rise. In some embodiments, the method includes the use of specific ionomers in the catalyst layer. In some embodiments, the method involves using a Break-In Procedure. In some embodiments, the method can include periodic interruption of the voltage to the AEM electrolyzer.

POROUS TRANSPORT LAYER FOR WATER ELECTROLYSIS, AND METHOD FOR MANUFACTURING THE SAME

Resumen de: US2025066938A1

Provided are a porous transport layer for water electrolysis including a first layer containing first particles of a titanium group element, and a second layer containing second particles of a titanium group element. An average diameter of the first particles is larger than an average diameter of the second particles, and a surface of the first layer abutting the second layer is planarized. A method for manufacturing the same is also provided.

ELECTROLYSIS SYSTEM WITH A GEOTHERMALLY HEATED FEED STREAM

Resumen de: US2025066927A1

A geothermally powered hydrogen production system includes a wellbore that heats a heat transfer fluid, thereby forming heated heat transfer fluid. A heat exchanger heats a feed stream using the heated heat transfer fluid, thereby forming a heated feed stream. An electrolyzer receives the heated feed stream and generates hydrogen from the heated feed stream.

MODULAR ELECTROCHEMICAL SYSTEM

Resumen de: US2025066933A1

A modular electrochemical system, said system comprising: one or more electrochemical blades, wherein each electrochemical blade comprises at least one electrochemical stack, and one or more balance of plant (BOP) blades, wherein each BOP blade comprises at least one BOP facility for at least one electrochemical stack, wherein the or each electrochemical blade(s) corresponds to any one or more of the BOP blades, and vice versa, and each electrochemical and/or BOP blade is provided with a framework, said framework comprising at least one port adapted to enable connection with one or more corresponding blades.

System and Method for Delivery of Thermal Energy for Hydrogen (H2) Gas Production

Resumen de: US2025066939A1

A system and method for thermal energy delivery for hydrogen (H2) gas production is disclosed. The method involves generating electricity via a solar plant and providing it to a hydrogen electrolyzer. Thermal energy from the solar plant is used to heat a primary working fluid, which transfers heat to a secondary working fluid in an evaporator, converting it into vapor. This vaporized secondary working fluid drives a turbine, generating electricity through a Rankine cycle system where the secondary working fluid circulates continuously, transmitting the secondary working fluid and a portion of the generated electricity to the hydrogen electrolyzer, which splits the secondary working fluid into H2 gas and oxygen, storing the H2 gas in a hydrogen gas storage tank. When solar power is unavailable, the stored electricity in the battery energy storage is supplied to the electrolyzer.

TRANSITION METAL-DOPED NICKEL PHOSPHIDE NANOSTRUCTURE, METHOD FOR PREPARING SAME, AND CATALYST FOR ELECTROCHEMICAL WATER DECOMPOSITION INCLUDING TRANSITION METAL-DOPED NICKEL PHOSPHIDE NANOSTRUCTURE

Resumen de: US2025066936A1

The present disclosure relates to a transition metal-doped nickel phosphide nanostructure, a method for preparing the same, and a catalyst for electrochemical water decomposition including the transition metal-doped nickel phosphide nanostructure. More specifically, a transition metal-doped nickel phosphide nanostructure can be prepared by converting a zinc oxide nanostructure grown on a substrate vertically by hydrothermal synthesis to a transition metal-doped nickel oxide nanostructure by cation exchange and then phosphorizing the nickel oxide. The transition metal-doped nickel phosphide nanostructure of the present disclosure is advantageous in that it has superior catalytic activity and conductivity due to large surface area. In addition, when used as a catalyst for water decomposition under an alkaline condition, it has a low overvoltage and can have excellent catalytic activity for hydrogen evolution reaction or oxygen evolution reaction.

FILTER

Resumen de: AU2023379054A1

2. The invention relates to a filter for treating process fluid such as that which in particular arises during hydrogen electrolysis, preferably for separating hydrogen and/or oxygen from process water, having a first filter element (10) and a second filter element (12), which encloses the first filter element (10) with the formation of a flow space (14) with a predefinable radial spacing, wherein each filter element (10, 12) has a filter medium (16, 18) through which the process fluid can flow in a flow-through direction (24) from the outside to the inside or preferably from the inside to the outside, wherein, seen in the flow-through direction (24), the one filter medium (16) forms a first degassing stage, which is used to enlarge gas bubbles through coalescence and to remove same from the process fluid through separation caused by buoyancy, and the subsequent further filter medium (18) forms a second degassing stage, which is used to remove very finely distributed gas bubbles remaining in the process fluid, again through coalescence and the separation of same through rising caused by buoyancy.

分注可能物質の送達のための電気機械的摂取可能装置

Resumen de: EP4467182A2

Ingestible devices capable of delivering a dispensable substance, such as, for example, a therapeutic agent, as well as related components, systems and methods, are disclosed. A removably attachable storage reservoir configured to be used with an ingestible device and capable of storing dispensable substance, such as, for example, a therapeutic agent, as well as related components, systems and methods, are also disclosed.

生体物質のガス化方法および装置

Resumen de: AU2023218595A1

There is provided a method and apparatus for producing hydrogen gas from biogenic material (210) within a pressure vessel (10). The method comprises heating a granular material (15) to greater than 500°C, adding a batch of biogenic material (210) into the pressure vessel with the heated granular material (15) at atmospheric pressure, closing the pressure vessel, and mixing the heated granular material (15) with the biogenic material (210) inside the closed pressure vessel (10) to raise the temperature of the biogenic material (210) and commence gasification, the gasification producing gas that increases the pressure inside the pressure vessel (10), the produced gas comprising hydrogen gas.

MICROBIAL ELECTROLYSIS CELL SUPPRESSING METHANE GENERATION AND METHOD OF PRODUCING HYDROGEN USING SAME

Nº publicación: EP4512930A1 26/02/2025

Solicitante:

EN CORP [KR]
EN Corporation

Resumen de: EP4512930A1

Disclosed are a microbial electrolysis cell suppressing methane generation and a method of producing hydrogen using the same, and more particularly microbial electrolysis cell technology, which prevents the growth of methanogens inside a reactor during operation of a microbial electrolysis cell by aerating a substrate for use in a microbial electrolysis cell with acetylene gas before supply of the substrate, thereby suppressing consumption of the hydrogen and substrate by methanogens, ultimately increasing the hydrogen yield and lifespan of the microbial electrolysis cell.