ELECTROLYTIC HYDROGEN

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Resultados 95 results. LastUpdate Updated on 30/09/2022 [13:16:00] 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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Electrolytic element for alkaline water electrolysis, and alkaline water electrolysis vessel

Publication No.: AU2021249587A1 15/09/2022

Applicant:

TOKUYAMA CORP

TW_202140860_A

Absstract of: AU2021249587A1

This electrolytic element for alkaline water electrolysis comprises: an electroconductive partition wall having a first surface and a second surface; an anode for oxygen generation; a cathode for hydrogen generation; a first connection means for fixing the anode to the partition wall and electrically connecting the anode to the partition wall such that the anode faces the first surface of the partition wall with a first interval therebetween; an electroconductive elastic body which supports the cathode; and a cathode current collector which supports the elastic body. The cathode current collector is fixed to the partition wall so as to face the second surface of the partition wall with a second interval therebetween, and is electrically connected to the partition wall. The first connection means includes an electroconductive bolt having at least a shaft part, and the anode is detachably fixed to the partition wall via the electroconductive bolt.

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ELECTROLYSER SYSTEM OF WATER ELECTROLYSIS AND PROCESS THEREFOR

Publication No.: US2022290317A1 15/09/2022

Applicant:

AIR LIQUIDE [FR]

CN_115074767_PA

Absstract of: US2022290317A1

An electrolyser system having an electrolysis stack and a direct current source, in order to generate oxygen and hydrogen as electrolysis gas by electrolysis of a water containing electrolysis medium. The electrolysis stack includes an anode section configured to generate oxygen and a cathode section configured to generate oxygen. Furthermore, the electrolyser system has an anode gas separator configured to separate oxygen from the electrolysis medium and a cathode gas separator configured to separate hydrogen from the electrolysis medium, wherein at least one of the gas separators includes a gas separating section and a gas cooling section, wherein the gas cooling section has a water inlet connected with a water supply, in order to supply cooling water to the gas cooling section of the gas separator, for the direct cooling of the electrolysis gas separated in the gas separating section of the gas separator within the gas cooling section.

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Process and Apparatus for Compressing Hydrogen Gas in a Centrifugal Compressor

Publication No.: US2022290309A1 15/09/2022

Applicant:

AIR PROD & CHEM [US]

EP_4060194_PA

Absstract of: US2022290309A1

A process for producing compressed hydrogen gas, said process comprising electrolysing water to produce hydrogen gas and compressing said hydrogen gas in a multistage compression system to produce compressed hydrogen gas. The multistage compression system comprises at least one centrifugal compression stage, and the hydrogen gas is fed to the centrifugal compression stage at a pre-determined feed temperature and pressure and having a pre-determined relative humidity. The process further comprises adding water and heat to the hydrogen gas upstream of the centrifugal compression stage, as required, to humidify the hydrogen gas to the pre-determined relative humidity.

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PROCESS AND APPARATUS FOR COMPRESSING HYDROGEN GAS IN A CENTRIFUGAL COMPRESSOR

Publication No.: US2022290691A1 15/09/2022

Applicant:

AIR PROD & CHEM [US]

EP_4060089_PA

Absstract of: US2022290691A1

A process for producing compressed hydrogen gas including: electrolysing water to produce hydrogen gas, and compressing the hydrogen gas in a multistage compression system including: a centrifugal compression stage and a recycle system for recycling a portion of the hydrogen gas from a product end to a feed end of the centrifugal compression stage; wherein hydrogen gas feed is fed to the feed end at a pre-determined feed temperature and pressure and mole fraction of water; wherein a portion of the hydrogen gas is removed from the product end, reduced in pressure in the recycle system to the pre-determined feed pressure and is then recycled to form at least part of the hydrogen gas feed to the centrifugal compression stage; and further including cooling hydrogen gas comprising the reduced pressure hydrogen gas such that the water mole fraction in the hydrogen gas feed is at the pre-determined water mole fraction.

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Method and plant for the electrochemical production of oxygen

Publication No.: AU2020429156A1 15/09/2022

Applicant:

LINDE GMBH [DE]

CN_115038814_PA

Absstract of: AU2020429156A1

The invention relates to a method for producing a gas product (10) containing oxygen, wherein a feedstock (1) containing water is subjected to electrolysis (E) to obtain a raw anode gas (2), which is rich in oxygen and contains hydrogen, and a raw cathode gas (14), which is low in oxygen and rich in hydrogen. The raw anode gas is at least partially subjected to a catalytic conversion (C) of hydrogen to water to obtain a first mixture (4) with depleted hydrogen content. A first part of the first mixture (4) is returned to the raw anode gas (2) downstream of the electrolysis (E) and upstream of the catalytic conversion (C), and the gas product containing oxygen is formed using at least a second part of the first mixture. The invention also relates to a plant for carrying out a method of this type.

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Catalyst Compositions Including Metal Chalcogenides, Processes for Forming the Catalyst Compositions, and Uses Thereof

Publication No.: US2022288576A1 15/09/2022

Applicant:

HONDA MOTOR CO LTD [JP]
UNIV COLUMBIA [US]

Absstract of: US2022288576A1

Aspects of the present disclosure generally relate to catalyst compositions including metal chalcogenides, processes for producing such catalyst compositions, processes for enhancing catalytic active sites in such catalyst compositions, and uses of such catalyst compositions in, e.g., processes for producing conversion products. In an aspect, a process for forming a catalyst composition is provided. The process includes introducing an electrolyte material and an amphiphile material to a metal chalcogenide to form the catalyst composition. In another aspect, a catalyst composition is provided. The catalyst composition includes a metal chalcogenide, an electrolyte material, and an amphiphile material. Devices for hydrogen evolution reaction are also provided.

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Electrochemical production of hydrogen from sea water

Publication No.: EP4055209A1 14/09/2022

Applicant:

TORVEX ENERGY LTD [GB]

CN_114641595_PA

Absstract of: GB2589074A

An apparatus for the electrochemical production of hydrogen gas from salt water is described where the apparatus comprises at least one cathode 05 (316L stainless steel) and at least one anode 04 (zinc 64). The anode may comprise; molybdenum tungsten, aluminium (aluminum), titanium, iron pyrite. The electrodes are spaced apart by a defined distance (the distance between each anode and cathode is equal to about three or four times the radius of the anode). Connectors 06,07 for electrically connecting the electrodes to a direct current electrical power supply are provided. A rectifier is also provided which may convert AC power supply to a pulsating DC power supply. The rectifier may be a single phase or three phase rectifier. The cathode 05 also comprises a paramagnetic material and the anode 04 comprises a diamagnetic material. A method of pretreating the cathode 05 material before the electrochemical process is performed is also defined.

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ELECTROLYSER SYSTEM FOR WATER ELECTROLYSIS AND PROCESS THEREFOR

Publication No.: EP4056734A1 14/09/2022

Applicant:

AIR LIQUIDE [FR]

CN_115074767_PA

Absstract of: EP4056734A1

The invention relates to an electrolyser system for water electrolysis. The electrolyser system comprises an electrolysis stack and a direct current source, in order to generate oxygen and hydrogen as electrolysis gas by electrolysis of a water containing electrolysis medium. The electrolysis stack comprises an anode section configured to generate oxygen and a cathode section configured to generate oxygen. Furthermore, the electrolyser system comprises an anode gas separator configured to separate oxygen from the electrolysis medium and a cathode gas separator configured to separate hydrogen from the electrolysis medium. The invention is characterised in that at least one of the gas separators comprises a gas separating section and a gas cooling section, wherein the gas cooling section comprises a water inlet connected with a water supply, in order to supply cooling water to the gas cooling section of the gas separator, for the direct cooling of the electrolysis gas separated in the gas separating section of the gas separator within the gas cooling section.

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COMBINED SYSTEM FOR THE PRODUCTION OF HYDROGEN, OXYGEN AND SEGREGATED AND SEQUESTERED CARBON DIOXIDE EQUIPPED WITH A CLOSED-CYCLE THERMAL ENGINE

Publication No.: EP4056733A1 14/09/2022

Applicant:

S A T E SYSTEMS AND ADVANCED TECH ENGINEERING S R L [IT]

Absstract of: EP4056733A1

A combined hydrogen, oxygen and carbon dioxide segregated and sequestered production system (1) comprising: an electrolysis plant (2) configured to receive water and electrical energy (E1, E2) as an input and provide hydrogen and oxygen in gaseous form as an output; and an electricity generation plant (4) which is provided with a thermal engine (5) and an electrical generator (6) which is driven in rotation by the thermal engine (5) and generates at least part of the electrical energy (E2) used by the electrolysis plant (2). The thermal engine (5) is operated in closed cycle without drawing in fresh air from the atmosphere, without releasing exhaust gases into the atmosphere, and using the oxygen generated by the electrolysis plant (2) for combustion.

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SYSTEMS AND METHODS TO MAKE HYDROGEN GAS

Publication No.: WO2022187811A1 09/09/2022

Applicant:

VERDAGY INC [US]

US_2022275522_PA

Absstract of: WO2022187811A1

Disclosed herein are methods and systems that relate to forming a metal hydroxy salt from a metal salt at an anode and generating hydrogen gas at a cathode of an electrochemical cell. The metal hydroxy salt is then subjected to a thermal reaction or another electrochemical reaction to form oxygen gas as well as to regenerate the metal salt.

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ELECTROCHEMICAL CONVERSION OF ORGANIC WASTE

Publication No.: WO2022186781A1 09/09/2022

Applicant:

UNIV NANYANG TECH [SG]

Absstract of: WO2022186781A1

The present disclosure refers to a method of electrochemical conversion of organic waste to organic acid and hydrogen, comprising the steps of: (i) subjecting organic waste to ball milling under alkaline or acidic conditions to obtain pre-treated organic waste; (ii) introducing the pre-treated organic waste to a first compartment of an electrochemical cell, wherein the electrochemical cell comprises: the first compartment containing a nickel-based anode, a second compartment containing a cathode, and an electrolyte; and (iii) applying an electrical potential between the anode and the cathode, thereby producing organic acid at the anode, and hydrogen at the cathode. The present disclosure also refers to an organic acid or hydrogen produced from the method disclosed herein.

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Multi-channel alkaline hydrogen production system

Publication No.: AU2021261718A1 08/09/2022

Applicant:

SUNGROW HYDROGEN SCI & TECH CO LTD

WO_2021213102_A1

Absstract of: AU2021261718A1

A multi-channel alkaline hydrogen production system. By means of the liquid outlets of a hydrogen alkali treatment unit and an oxygen alkali treatment unit, a circulating alkaline liquid is outputted to an alkaline liquid circulating pump and at least one controllable channel that is connected to the alkaline liquid circulating pump in parallel, and then the circulating alkaline liquid is returned to the negative electrode of an electrolyzer; thus, a controller can control the amount of produced hydrogen according to the measured current of the electrolyzer, then calculates a corresponding alkaline liquid circulation volume reference value according to the amount of produced hydrogen, and according to the alkaline liquid circulation volume reference value, adjusts the circulation amount of the alkaline liquid of the multi-channel alkaline hydrogen production system and changes the gas purity of the multi-channel alkaline hydrogen production system by controlling the working states of the controllable channels on the two ends of the alkaline liquid circulating pump. The present invention solves the problems that the purity of the produced hydrogen is low and the production of hydrogen is stopped when the electrolyzer is powered by a renewable energy system and the renewable energy system operates in a trough, so that the electrolyzer is always in a full-load operating state and is not limited in a specific load range, thereby being suitable for the hydrogen production system p

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System for producing hydrogen from renewable energy and control method thereof

Publication No.: AU2022201116A1 08/09/2022

Applicant:

SUNGROW POWER SUPPLY CO LTD [CN]

US_2022267917_PA

Absstract of: AU2022201116A1

The present disclosure relates to a system for producing hydrogen from renewable energy and a control method thereof The system includes a renewable-energy-based power generation system, a primary hydrogen production system, a secondary hydrogen production 5 system, and a controller. An output end of the renewable-energy-based power generation system is connected to the primary hydrogen production system and the secondary hydrogen production system via an electrical conversion device. A capacity of the primary hydrogen production system is greater than or equal to a capacity of the secondary hydrogen production system. The controller is configured to monitor an output electrical performance parameter of 0 the renewable-energy-based power generation system in real time, and control start and stop of the primary hydrogen production system and the secondary hydrogen production system. Figure 2 100% -2 30% ----- 0 Power loss 0% Time t Figure 1 DC/DC Oxygen is emitted or 2 9 412 collected in situ -- Hydrogen is collected DC/DCDCcbe ---- AC cable 7 -.- Process pipeline 1--Boundary of device D/AC------- Monitoring/controlline Figure 2

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Advanced commercial electrolysis of seawater to produce hydrogen

Publication No.: AU2021257392A1 08/09/2022

Applicant:

GOMEZ RODOLFO

WO_2021207781_A1

Absstract of: AU2021257392A1

An apparatus for electrolysing seawater to produce hydrogen is disclosed. The apparatus comprises a unipolar electrolytic cell configured to operate in cathode-cathode mode and configured to reduce the production of chlorine and/or oxygen.

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ELECTRODE FOR ELECTROCHEMICAL EVOLUTION OF HYDROGEN

Publication No.: EP4051828A1 07/09/2022

Applicant:

INDUSTRIE DE NORA SPA [IT]

Absstract of: WO2021083862A1

The present invention relates to an electrode, comprising a catalytic coating containing ruthenium and at least one other element selected from the group of alkaline earth metals, suitable to be used in industrial electrochemical processes for hydrogen evolution and to a method for the production of the same. The catalytic coating comprises 93-99 wt-% of ruthenium and 1-7 wt-% of alkaline earth metals, referred to the metals.

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SYSTEMS AND METHODS TO MAKE HYDROGEN GAS USING METAL SALT

Publication No.: US2022275522A1 01/09/2022

Applicant:

VERDAGY INC [US]

WO_2022187811_PA

Absstract of: US2022275522A1

Disclosed herein are methods and systems that relate to forming a metal hydroxy salt from metal salt at an anode and generate hydrogen gas at the cathode. The metal hydroxy salt is then subjected to a thermal reaction or another electrochemical reaction to form oxygen gas as well as to regenerate the metal salt.

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SYSTEMS AND METHODS TO MAKE HYDROGEN GAS USING METAL OXYANIONS OR NON-METAL OXYANIONS

Publication No.: US2022275521A1 01/09/2022

Applicant:

VERDAGY INC [US]

WO_2022187810_PA

Absstract of: US2022275521A1

Disclosed herein are methods and systems that relate to oxidizing a metal ion of a metal oxyanion or a non-metal ion of a non-metal oxyanion from a lower oxidation state to a higher oxidation state at an anode and generate hydrogen gas at the cathode. The metal oxyanion with the metal ion in the higher oxidation state or the non-metal oxyanion with the non-metal ion in the higher oxidation state may be then subjected to a thermal reaction or a second electrochemical reaction, to form oxygen gas as well as to regenerate the metal oxyanion with the metal ion in the lower oxidation state or the non-metal oxyanion with the non-metal ion in the lower oxidation state, respectively.

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ELECTROCHEMICAL CELL AND METHOD OF PROCESSING A GASEOUS STREAM CONTAINING HYDROGEN

Publication No.: US2022274055A1 01/09/2022

Applicant:

ENAPTER S R L [IT]

KR_20220066044_PA

Absstract of: US2022274055A1

An electrochemical cell, or stack thereof, wherein each cell of the stack comprises at least: a membrane electrode assembly (MEA), the MEA comprising at least: an anode, a cathode, and an an-ion exchange membrane therebetween, an inlet to the anodic half-cell for the introduction of hydrogen at a first pressure, and an outlet from the cathodic half-cell for the transfer of hydrogen at a second pressure, and means to provide a required power to the cell. In one embodiment, the purification and compression of hydrogen occurring by utilisation of the following reaction pathway: formula (A) and formula (B).

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Inertial hydrodynamic pump and wave engine

Publication No.: AU2021222003A1 01/09/2022

Applicant:

LONE GULL HOLDINGS LTD

WO_2021168125_A1

Absstract of: AU2021222003A1

A buoyant hydrodynamic pump is disclosed that can float on a surface of a body of water over which waves tend to pass. Embodiments incorporate an open-bottomed tube with a constriction. The tube partially encloses a substantial volume of water with which the tubes constriction interacts, creating and/or amplifying fluid-flow oscillations therein in response to wave action. Wave-driven oscillations result in periodic upward ejections of portions of the water inside the tube that can be collected in a reservoir that is at least partially positioned above the mean water level of the body of water, or pressurized by compressed air or gas, or both. Water within such a reservoir may return to the body of water via a turbine, thereby generating electrical power (making the device a wave engine), or the devices pumping action can be used for other purposes such as water circulation, propulsion, dissolved minerals extraction, or cloud seeding. Methods are disclosed for manufacture of hydrogen at sea and for delivery of said hydrogen using a ship. Methods are disclosed for filling a hydrogen-loaded carrier ship at sea.

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Parahydrogen and atomic hydrogen fuel

Publication No.: AU2021213129A1 01/09/2022

Applicant:

ECOMBUSTIBLE ENERGY LLC

WO_2021154868_A2

Absstract of: AU2021213129A1

Disclosed herein are novel systems and methods for performing the following: decomposing water into hydrogen by using low-power consumption electrolysis, converting orthohydrogen into parahydrogen by using vibrational frequency, converting parahydrogen into atomic hydrogen, and mixing converted atomic hydrogen with combustible gas. The system uses a unique low-power hydrogen production cell to perform electrolysis on water. Hydrogen output from the production cell runs through coils under vibrational frequency to optimally convert orthohydrogen to parahydrogen. The system further comprises a magnetic reactor that is used to convert parahydrogen into atomic hydrogen, which is in turn mixed with combustible gas to create an eco-friendly fuel.

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Magnetohydrodynamic hydrogen electrical power generator

Publication No.: AU2021217228A1 01/09/2022

Applicant:

BRILLIANT LIGHT POWER INC

WO_2021159117_A1

Absstract of: AU2021217228A1

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H

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WATER MANAGEMENT APPARATUS IN HYDROGEN PRODUCTION SYSTEM USING WATER ELECTROLYSIS

Publication No.: KR20220121658A 01/09/2022

Applicant:

주엘켐텍

WO_2022181875_PA

Absstract of: WO2022181875A1

The present invention relates to a water management apparatus, which is disposed on a water circulation line of a hydrogen production system using water electrolysis to remove impurities generated during water electrolysis and circulation procedures, the apparatus comprising a first reaction tower (500) removing radicals generated during the water electrolysis procedure and a second reaction tower (600) removing metal ions generated during the water circulation procedure, wherein the first reaction tower (500) comprises a filling (510) composed of a radical scavenger catalyst (512) on a carrier (511).

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SYSTEMS AND METHODS TO MAKE HYDROGEN GAS USING METAL SALT

Publication No.: US2022275520A1 01/09/2022

Applicant:

VERDAGY INC [US]

WO_2022187811_PA

Absstract of: US2022275520A1

Disclosed herein are methods and systems that relate to forming a metal hydroxy salt from metal salt at an anode and generate hydrogen gas at the cathode. The metal hydroxy salt is then subjected to a thermal reaction or another electrochemical reaction to form oxygen gas as well as to regenerate the metal salt.

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WATER MANAGEMENT APPARATUS IN HYDROGEN PRODUCTION SYSTEM USING WATER ELECTROLYSIS

Publication No.: WO2022181875A1 01/09/2022

Applicant:

ELCHEMTECH CO LTD [KR]

KR_20220121658_PA

Absstract of: WO2022181875A1

The present invention relates to a water management apparatus, which is disposed on a water circulation line of a hydrogen production system using water electrolysis to remove impurities generated during water electrolysis and circulation procedures, the apparatus comprising a first reaction tower (500) removing radicals generated during the water electrolysis procedure and a second reaction tower (600) removing metal ions generated during the water circulation procedure, wherein the first reaction tower (500) comprises a filling (510) composed of a radical scavenger catalyst (512) on a carrier (511).

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- Hydrogen generating electrode using nickel-iron alloy and manufacturing method thereof

Nº publicación: KR20220120843A 31/08/2022

Applicant:

INDUSTRY ACADEMIC COOPERATION FOUNDATION OF YEUNGNAM UNIV [KR]

Absstract of: KR20220120843A

본 발명은 수전해 수소 발생 반응에서 백금 기반 촉매 전극을 대체할 저가용 니켈-철 합금 수소 발생 전극 및 이의 제조방법에 관한 것으로, 보다 상세하게는 카본 지지체 전극과 니켈-철 합금 입자 간의 최적의 결합 및 접착 안정성을 위해 수열 합성법을 이용하여 카본 지지체 전극에 촉매를 직접 성장시켜 제조할 수 있다. 본 발명에 따른 니켈-철 합금 수소 발생 전극은 니켈과 철의 비율을 조절하여 결정 결함을 줄이고, 촉매에 물 흡착을 용이하게 하며, 이로 인하여 더 많은 수소를 생성하게 할 수 있기 때문에 우수한 과 전위 값으로 적은 에너지를 소비하여 물 분해 반응을 진행시킬 수 있고, 긴 수명과 오랜 시간 안정성을 갖는 장점이 있다.

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