ELECTROLYTIC HYDROGEN

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Resultados 133 results. LastUpdate Updated on 30/11/2022 [13:52:00] pdf PDF xls XLS

Publicaciones de solicitudes de patente de los últimos 60 días/Applications published in the last 60 days



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REDUCTION CATALYST FOR WATER ELECTROLYSIS AND PREPARATION METHOD THEREFOR

Publication No.: WO2022245068A1 24/11/2022

Applicant:

HANWHA SOLUTIONS CORP [KR]
YONSEI UNIV UNIV - INDUSTRY FOUNDATION UIF [KR]

Absstract of: WO2022245068A1

The present invention relates to: a method for preparing a reduction catalyst for water electrolysis, using protective coating; a reduction electrode for alkaline water electrolysis, comprising a reduction catalyst prepared thereby; and an alkaline water electrolysis system. The method for preparing a reduction catalyst for water electrolysis of the present invention applies a protective coating method and inhibits the growth of alloy particles in a later high-temperature heat treatment step, and, thus, can prepare and provide a catalyst with a high alloying degree. As a result, a non-precious metal alloy catalyst prepared according to the method of the present invention has excellent catalytic characteristics by exhibiting hydrogen evolution reaction (HER) performance similar to that of platinum, which is a precious metal catalyst.

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SYSTEMS, DEVICES, AND METHODS FOR HYDROGEN ENERGY PRODUCTION AND STORAGE

Publication No.: US2022376284A1 24/11/2022

Applicant:

NABORS ENERGY TRANSITION SOLUTIONS LLC [US]

US_2022372909_PA

Absstract of: US2022376284A1

Systems, devices, and methods for producing and storing hydrogen energy are described. Hydrogen energy may be produced and distributed according to a tiered consumption system, such that consumption requirements of a first tier are prioritized over a second tier and third tier, respectively. Energy and hydrogen for this system may be produced by one or more fuel cell/electrolyzers, and produced hydrogen may be stored in one or more hydride storage tanks.

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ENHANCED PROTON CONDUCTION AND STEAM TOLERANCE OF A DONOR DOPED ELECTROLYTE FOR SOLID OXIDE ELECTROLYSIS CELLS

Publication No.: WO2022245710A2 24/11/2022

Applicant:

PHILLIPS 66 CO [US]
GEORGIA TECH RES INST [US]

US_2022363559_A1

Absstract of: WO2022245710A2

Disclosed herein are electrolytes having increased proton conduction and steam tolerance for use in solid oxide electrolysis cells (SOECs). The disclosed SOECs provide an enhanced means for obtaining hydrogen. The disclosed SOECs provide enhanced conductivity and stability and, therefore, result in higher performance when used to fabricate electrolysis cells, fuel cells, and reversible cells.

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HYDROGEN PRODUCTION SYSTEM

Publication No.: WO2022244659A1 24/11/2022

Applicant:

MITSUBISHI HEAVY IND ENVIRONMENTAL & CHEMICAL ENG CO LTD [JP]

JP_6940715_B1

Absstract of: WO2022244659A1

A hydrogen production system (1) comprises: a boiler-equipped combustion system (10) that is used in a combustion furnace plant and includes at least a combustion furnace and a boiler that generates steam using heat from combustion performed in the combustion furnace; an electrolysis system (50) that includes at least an ion elimination device (52) that generates, from boiler blow water (F1) discharged from the boiler, separated water (F2) by introducing at least a portion of the boiler blow water and removing unnecessary ions therefrom, and separation water (F3) that contains the unnecessary ions, and a water electrolysis device (53) that generates hydrogen by electrolyzing the separated water; and a discharge water processing system (30) that includes at least an inorganic discharge water processing facility (32) for performing inorganic water processing of plant discharge water containing the remainder of the boiler blow water and generated in the combustion furnace plant.

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ELECTROLYZER SYSTEM WITH STEAM GENERATION AND METHOD OF OPERATING SAME

Publication No.: US2022372636A1 24/11/2022

Applicant:

BLOOM ENERGY CORP [US]

CN_115369434_PA

Absstract of: US2022372636A1

An electrolyzer system includes a steam generator configured to generate steam, a stack of solid oxide electrolyzer cells configured to generate a hydrogen stream using the steam received from the steam generator, and a water preheater configured to preheat water provided to the steam generator using heat extracted from oxygen exhaust output from the stack.

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HYDROGEN PRODUCTION SYSTEM USING AMMONIA AND FUEL CELL USING AMMONIA

Publication No.: WO2022245081A1 24/11/2022

Applicant:

AAR INC [KR]

Absstract of: WO2022245081A1

A hydrogen production system according to the present invention can reduce the power consumed for hydrogen production, has no consumption of cell potential, and can produce hydrogen even by spontaneous reaction to show high hydrogen production efficiency. Furthermore, a composite electrode separator according to the present invention is configured such that an electrode part, a gas-liquid diffusion layer, and a separation plate as a plurality of parts are integrated into one element while the hydrogen production system is included in the electrode part, so that the application of the composite electrode separator to a stack can reduce the number of parts applied to the stack to simplify stack assembling and reduce the stack volume and can increase the operation current density due to a reduction in electrolyte resistance, thereby enabling high-efficiency and high-current driving. Furthermore, a composite hydrogen production stack according to the present invention can not only produce hydrogen gas and electric power together or produce only electric power by adjusting the amount of oxygen, but also produce only hydrogen gas through ammonia water electrolysis. Furthermore, an ammonia fuel cell according to the present invention, by using ammonia as fuel, is an eco-friendly energy source and relatively easy to supply as fuel, has a narrower explosion range than hydrogen, can be liquefied at a low pressure to be easy to store and transport, facilitates leakage detection due to t

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ELECTROLYTE MEMBRANE LAMINATE, ELECTROLYTE MEMBRANE EQUIPPED WITH CATALYST LAYER, MEMBRANE ELECTRODE CONJUGATE, HYDROLYSIS-TYPE HYDROGEN GENERATION DEVICE, AND METHOD FOR PRODUCING ELECTROLYTE MEMBRANE EQUIPPED WITH CATALYST LAYER

Publication No.: WO2022244660A1 24/11/2022

Applicant:

TORAY INDUSTRIES [JP]

Absstract of: WO2022244660A1

An electrolyte membrane laminate according to the present invention comprises, in the stated order, a first electrolyte membrane having a first primary surface and a second primary surface, and a first intermediate layer and a second electrolyte membrane on the first primary surface of the first electrolyte layer. The first electrolyte membrane includes a hydrocarbon-based polyelectrolyte. The first intermediate layer includes a polyelectrolyte and particles. The second electrolyte membrane includes a polyelectrolyte and particles containing a transition metal element. Provided is an electrolyte membrane laminate having excellent hydrogen barrier properties and good durability.

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High Performance Bifunctional Porous Non-Noble Metal Phosphide Catalyst for Overall Water Splitting

Publication No.: US2022372642A1 24/11/2022

Applicant:

UNIV HOUSTON SYSTEM [US]

US_2021189574_A1

Absstract of: US2022372642A1

A method of manufacturing a bifunctional electrocatalyst for overall water splitting comprising oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) by growing electrocatalyst comprising primarily metallic phosphides on three-dimensional substrate by: immersing the substrate in an iron nitrate solution to form a once disposed substrate; subjecting the once disposed substrate to thermal phosphidation with phosphorus powder under inert gas to grow metal phosphides thereupon and form a once subjected substrate; cooling the once subjected substrate to form a cooled, once subjected substrate; immersing the cooled, once subjected substrate in an iron nitrate solution to form a twice disposed substrate; and subjecting the twice disposed substrate to thermal phosphidation with phosphorus powder under inert gas to provide an electrode comprising the bifunctional electrocatalyst on the three-dimensional substrate. An electrode for overall water splitting having a substrate and a bifunctional electrocatalyst comprising primarily metallic phosphides on a surface of the substrate.

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INTEGRATED HYDROGEN PRODUCTION METHOD AND SYSTEM

Publication No.: US2022372635A1 24/11/2022

Applicant:

UTILITY GLOBAL INC [US]

Absstract of: US2022372635A1

Herein discussed is a method of producing hydrogen comprising introducing a metal smelter effluent gas or a basic oxygen furnace (BOF) effluent gas or a mixture thereof into an electrochemical (EC) reactor, wherein the EC reactor comprises a mixed-conducting membrane. In an embodiment, the method comprises introducing steam into the EC reactor on one side of the membrane, wherein the effluent gas is on the opposite side of the membrane, wherein the effluent gas and the steam are separated by the membrane and do not come in contact with each other.

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SYSTEMS, DEVICES, AND METHODS FOR HYDROGEN ENERGY PRODUCTION AND STORAGE

Publication No.: WO2022246440A1 24/11/2022

Applicant:

NABORS ENERGY TRANSITION SOLUTIONS LLC [US]

US_2022376284_PA

Absstract of: WO2022246440A1

Systems, devices, and methods for producing and storing hydrogen energy are described. Hydrogen energy may be produced and distributed according to a tiered consumption system, such that consumption requirements of a first tier are prioritized over a second tier and third tier, respectively. Energy and hydrogen for this system may be produced by one or more fuel cell/electrolyzers, and produced hydrogen may be stored in one or more hydride storage tanks.

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GRAPHENE SYNTHESIS UNIT

Publication No.: WO2022246443A1 24/11/2022

Applicant:

NABORS ENERGY TRANSITION SOLUTIONS LLC [US]

Absstract of: WO2022246443A1

A system for graphene synthesis includes an enclosed chamber having a hollow interior, a carbon-based gas source fluidically coupled to the chamber and configured to supply a carbon-based gas to the hollow interior, a hydrogen source fluidically coupled to the chamber and configured to supply hydrogen to the hollow interior, an oxygen source that is independent of the carbon-based gas source and that is fluidically coupled to the chamber and configured to supply oxygen to the hollow interior, an igniter configured to ignite the carbon-based gas, hydrogen, and oxygen in the hollow interior, a first flow meter coupled to the carbon-based gas source, a second flow meter coupled to the hydrogen source, a third flow meter coupled to the oxygen source, and a controller in communication with and configured to receive flow data from the first, second, and third flow meters.

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ELECTROCHEMICAL REACTOR SUITABLE FOR PRODUCING HYDROGEN ON DEMAND AND COMPRISING AN IMPROVED DEVICE FOR STORING AND SUPPLYING HYDROGEN

Publication No.: WO2022243383A1 24/11/2022

Applicant:

ERGOSUP [FR]

FR_3123064_PA

Absstract of: WO2022243383A1

The invention relates to an electrochemical reactor suitable for producing hydrogen on demand, comprising: o a device (20) for storing and supplying hydrogen, which comprises: • a layer of metal M in the solid phase, and an aqueous liquid electrolyte (E) suitable for oxidizing the layer (22) of a metal M in the solid phase; • a main chamber (21); o a control device (30), suitable for ensuring a relative displacement between the electrolyte (E) and the layer (22) of metal M so as to be able to have the following two configurations: a withdrawn configuration wherein there is a separation between the electrolyte (E) and the layer (22) of metal M; and a contact configuration wherein there is contact between the electrolyte (E) and the layer (22) of metal M in the main chamber.

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MULTI-FUEL BOILER

Publication No.: EP4092162A1 23/11/2022

Applicant:

F M T S R L [IT]

Absstract of: EP4092162A1

Multi-fuel boiler (100) comprising:- a burner (102) configured to receive and mix a fuel and an oxidizer;- a heat exchanger (103) placed near the burner (102) and configured to connect to a plumbing (104), the heat exchanger (103) being configured to receive a fluid to be heated and to send a heated fluid from/to said plumbing (104);- an electrolysis device (105) connected to the burner (102) and configured to generate gaseous hydrogen and feed the generated gaseous hydrogen as fuel for the burner (102).

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METHOD FOR PROVIDING A GAS, SEPARATOR, AND ELECTROLYZER WITH SEPARATOR

Publication No.: EP4092160A1 23/11/2022

Applicant:

HITACHI ZOSEN INOVA AG [CH]

Absstract of: EP4092160A1

The invention relates to a method for providing a gas, in particular one of hydrogen and oxygen, by natural separation from a liquid containing the gas, in particular from the electrolyte of an electrolysis, in a separation zone within a vessel, wherein the separation zone comprises a flow of the liquid on a surface arranged in the vessel, the velocity field of said flow having a vorticity and/or one or more changes in its direction component orthogonal to gravity.

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ENHANCED PROTON CONDUCTION AND STEAM TOLERANCE OF A DONOR DOPED ELECTROLYTE FOR SOLID OXIDE ELECTROLYSIS CELLS

Publication No.: US2022363559A1 17/11/2022

Applicant:

PHILLIPS 66 CO [US]
GEORGIA TECH RES INST [US]

Absstract of: US2022363559A1

Disclosed herein are electrolytes having increased proton conduction and steam tolerance for use in solid oxide electrolysis cells (SOECs). The disclosed SOECs provide an enhanced means for obtaining hydrogen. The disclosed SOECs provide enhanced conductivity and stability and, therefore, result in higher performance when used to fabricate electrolysis cells, fuel cells, and reversible cells.

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METHOD FOR PRODUCING HYDROGEN IN A PEM WATER ELECTROLYSER SYSTEM, PEM WATER ELECTROLYSER CELL, STACK AND SYSTEM

Publication No.: US2022364246A1 17/11/2022

Applicant:

HYSTAR AS [NO]

ES_2898858_T3

Absstract of: US2022364246A1

The present invention relates to a method for producing hydrogen in a polymer electrolyte membrane (PEM) water electrolyser cell. A direct electric current is applied to the water electrolyser cell. Water molecules are allowed to diffuse from a cathode compartment through a polymer electrolyte membrane into an anode compartment, to oxidize water molecules at an anode catalyst layer into protons, oxygen and electrons. The protons are allowed to migrate through a polymer electrolyte membrane into the cathode compartment and the protons are reduced at a cathode catalyst layer to produce hydrogen. The cell is supplied with water to the cathode compartment, and humidified air is supplied to the anode compartment. The invention also relates to a polymer electrolyte membrane (PEM) water electrolyser cell, a polymer electrolyte membrane (PEM) water electrolyser stack and a polymer electrolyte membrane (PEM) water electrolyser system.

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HYDROGEN PRODUCTION SYSTEM AND METHOD OF USE

Publication No.: US2022364251A1 17/11/2022

Applicant:

UTILITY GLOBAL INC [US]

KR_20220151597_PA

Absstract of: US2022364251A1

Herein discussed is a hydrogen production system comprising: a catalytic partial oxidation (CPDX) reactor; a steam generator; and an electrochemical (EC) reactor; wherein the CPDX reactor product stream is introduced into the EC reactor and the steam generator provides steam to the EC reactor; and wherein the product stream and the steam do not come in contact with each other in the EC reactor. In an embodiment, the EC reactor generates a first product stream comprising CO and CO2 and a second product stream comprising H2 and H2O, wherein the two product streams do not come in contact with each other.

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PROCESS FOR THE CONVERSION OF CO2

Publication No.: WO2022238899A1 17/11/2022

Applicant:

ROSETTI MARINO S P A [IT]

Absstract of: WO2022238899A1

The present invention concerns a process for the conversion of CO2, pure or contained in gaseous streams of various types via the use of an E-RWGS (Electrified Reverse Water Gas Shift) reactor. More specifically, the innovative process subject of the present invention reports a solution for the conversion of gases containing CO2 into gases containing carbon monoxide (CO) and hydrogen (H2), molecules that provide the building blocks for important activities in the production of chemicals, fertilizers and fuels.

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CATALYSIS OF HYDROGEN EVOLUTION REACTION USING RUTHENIUM ION COMPLEXED CARBON NITRIDE MATERIALS

Publication No.: US2022364249A1 17/11/2022

Applicant:

UNIV CALIFORNIA [US]

US_2020240027_A1

Absstract of: US2022364249A1

A method can include incorporating graphene oxide (GO) in a solution, reducing the graphene oxide (GO) by refluxing carbon nitride (C3N4) in the solution to form carbon-nitride refluxed-graphene-oxide (C3N4-rGO) composites, and incorporating ruthenium ions into the C3N4-rGO composites to form C3N4-rGO-Ru complexes.

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Anion-conducting polyelectrolytes comprising amide group, preparation method and applicationthereof

Publication No.: US2022363811A1 17/11/2022

Applicant:

INST COAL CHEMISTRY CAS [CN]

WO_2022151512_A1

Absstract of: US2022363811A1

The present invention relates to the field of hydrogen energy, and more particularly to an anion-conducting polyelectrolyte comprising an amide group, a preparation method and application thereof. The method includes: polymerizing aromatic hydrocarbons and ketone comprising amide group by superacid catalysis, forming a membrane by a casting method, performing the membrane prepared under alkaline conditions to obtain the anion-conducting polyelectrolytes comprising amide group. The anion-conducting polyelectrolytes obtained have good solubility and excellent stability. It is a kind of high molecular polymer with excellent alkali stability with an amide structure on the backbone. After alkaline treatment, the polymer not only has high hydroxide conductivity, good mechanical properties, and thermal stability but also has excellent alkali stability and excellent performance of water electrolysis.

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HYDROGEN PRODUCTION SYSTEM AND HYDROGEN PRODUCTION METHOD

Publication No.: WO2022239706A1 17/11/2022

Applicant:

IHI CORP [JP]

Absstract of: WO2022239706A1

A hydrogen production system (1) is provided with at least one first permeator (10), a circulation flow path (20) and an alkaline water electrolyzer (30). The at least one first permeator (10) includes a semipermeable membrane (11) which partitions between a first chamber (12) into which water of interest is supplied and a second chamber (13) into which an alkaline aqueous solution having a higher osmotic pressure than that of the water of interest is supplied and makes water in the water of interest permeate from the first chamber (12) to the second chamber (13). The circulation flow path (20) is connected to the second chamber (13) to circulate the alkaline aqueous solution. The alkaline water electrolyzer (30) is arranged on the circulation flow path (20), and electrolyzes water in the alkaline aqueous solution supplied from the second chamber (13) to produce hydrogen.

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INTEGRATED HYDROGEN PRODUCTION METHOD AND SYSTEM

Publication No.: WO2022240954A1 17/11/2022

Applicant:

UTILITY GLOBAL INC [US]

US_2022372635_PA

Absstract of: WO2022240954A1

Herein discussed is a method of producing hydrogen comprising introducing a metal smelter effluent gas or a basic oxygen furnace (BOF) effluent gas or a mixture thereof into an electrochemical (EC) reactor, wherein the EC reactor comprises a mixed-conducting membrane. In an embodiment, the method comprises introducing steam into the EC reactor on one side of the membrane, wherein the effluent gas is on the opposite side of the membrane, wherein the effluent gas and the steam are separated by the membrane and do not come in contact with each other.

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ION-PAIR HT-PEMS FOR HYDROGEN SEPARATIONS USING ELECTROCHEMICAL PUMPING

Publication No.: WO2022241424A1 17/11/2022

Applicant:

BOARD OF SUPERVISORS OF LOUISIANA STATE UNIV AND AGRICULTURAL AND MECHANICAL COLLEGE ON BEHALF OF LS [US]

Absstract of: WO2022241424A1

The present disclosure provides for electrochemical hydrogen pumps and methods of producing hydrogen. Embodiments provide for efficient and high yielding electrochemical hydrogen pumps that can operate at high temperatures here other pumps cannot operate effectively and an electrochemical hydrogen pump that can purify hydrogen from gas mixtures with large carbon monoxide compositions as other electrochemical hydrogen pumps technology cannot operate effectively with carbon monoxide in the gas mixture.

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HIGH FLUID VELOCITY CELL DESIGN FOR THE ELECTROCHEMICAL GENERATION OF HYDROGEN AND CARBON DIOXIDE

Publication No.: WO2022240974A1 17/11/2022

Applicant:

EVOQUA WATER TECH LLC [US]

Absstract of: WO2022240974A1

Apparatuses for the generation of carbon dioxide and hydrogen from a water having a carbonate species are disclosed. The apparatus includes an anodic compartment having an anode disposed on a first side of the anodic compartment and a cathodic compartment having a cathode disposed on a first side of the cathodic compartment. The apparatus further includes a first cation permeable fluidic separator disposed on a second side of the anodic compartment and a second cation permeable fluidic separator disposed on a second side of the cationic compartment. A center compartment is defined between the first cation permeable fluidic separator and the second cation permeable fluidic separator. The apparatus further includes a flow control system configured to independently control flow of water through each of the anodic compartment, the cathodic compartment, and the center compartment. Methods of generating hydrogen, carbon dioxide, and oxygen from seawater using the apparatus are also disclosed.

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COMPRESSION APPARATUS

Nº publicación: EP4089206A1 16/11/2022

Applicant:

PANASONIC IP MAN CO LTD [JP]

US_2021384539_A1

Absstract of: EP4089206A1

The compression apparatus according to the present disclosure includes an electrolyte membrane, an anode disposed on a principal surface of the electrolyte membrane, a cathode disposed on another principal surface of the electrolyte membrane, an anode separator disposed on the anode, a cathode separator disposed on the cathode, and a voltage applicator that applies a voltage between the anode and the cathode. Upon the voltage applicator applying the voltage, the compression apparatus causes protons extracted from an anode fluid fed to the anode to move to the cathode through the electrolyte membrane and produces compressed hydrogen. The anode separator has a fluid channel through which the anode fluid flows on the anode, a manifold hole through which the anode fluid is fed to the fluid channel, and a communicating path through which the manifold hole and the fluid channel are communicated with each other. The fluid channel, the manifold hole, and the communicating path are formed in an anode-side principal surface of the anode separator. The compression apparatus includes a face seal disposed on an outer periphery of a region of the anode-side principal surface of the anode separator, the region facing the anode, the face seal being arranged to cover the communicating path. The face seal has a three-layer structure including a metal sheet and a pair of elastic sheets disposed on respective principal surfaces of the metal sheet.

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