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JP2024068749A |
An object of the present invention is to provide a water electrolysis device capable of suppressing damage to piping on the side of a hydrogen generating electrode and suppressing deterioration of electrolysis performance. [Solution] A w...
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JP2024067154A |
The present invention provides a water electrolysis system that can detect minute gas leaks. [Solution] A water electrolysis system, in which hydrogen is caused to flow through a hydrogen electrode of the water electrolysis cell stack, a...
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JP2024068005A |
The present invention provides an ozonated water spraying device in which water stored in a water storage container and used for generating ozone by electrolysis can be kept at a low water temperature. [Solution] The ozone water spray 1 ...
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JP2024067329A |
The present invention provides an electrolyzer that can reduce the use of nonconductor equipment, piping, etc., and also suppress leakage of current based on liquids such as electrolytes and polar solvents. [Solution] An electrolyzer 1 a...
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JP2024067153A |
An object of the present invention is to provide a water electrolysis system that can detect an abnormality in pressure rise even when a pressure sensor fails. [Solution] In the water electrolysis system, hydrogen pressure in a water ele...
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JP7484407B2 |
Hydrogen peroxide water and, if necessary, sulfuric acid and/or water, are added to a sulfuric acid solution present in a storage tank (2) or the like of an electrolytic sulfuric acid solution manufacturing system (1) to adjust the oxidi...
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JP2024066562A |
[assignment] Provided is a photocatalytic decomposition device that can supply a liquid phase containing a substance to be decomposed with a photocatalyst and decompose it more efficiently than conventional methods. [Solution] The photoc...
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JP2024066165A |
[Solution] An electrolytic synthesis system (10) includes an electrolyzer (18) that electrolyzes carbon dioxide gas and water vapor, and a synthesizer (20) that synthesizes hydrocarbon gas from hydrogen gas and carbon monoxide gas genera...
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JP2024065603A |
[Problem] To provide a water electrolysis system that can efficiently produce hydrogen by individually controlling each electrolysis stack even when the performance of some electrolysis stacks decreases or when the deterioration of the e...
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JP2024065378A |
An object of the present invention is to provide a helium production method for producing helium based on heavy water or tritiated water. [Solution] Using an electrolyzer 1 that includes a first electrode 21, a second electrode 22, and a...
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JP2024066054A |
An object of the present invention is to provide a water electrolysis system that can suppress the generation of reverse differential pressure at startup. [Solution] The water electrolysis system includes a water electrolysis cell stack ...
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JP2024064011A |
[Problem] In a water electrolysis system in which many stacks are connected in series, it is possible to reduce the current in stacks with increased resistance and to suppress the propagation of short circuits in some stacks to other sta...
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JP2024064242A |
[Object] To generate steam stably and with high response using a low-temperature heat source slightly higher than the boiling point. [Solution] A steam generator includes a spray evaporation section having a first flow path through which...
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JP2024064456A |
An object of the present invention is to provide an ozonated water generator and a humidifier that can increase the efficiency of ozonated water generation. [Solution] An ozonated water generator A1 that generates ozonated water by elect...
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JP7482598B2 |
To produce formic acid (HCOOH) with high reaction efficiency using a reduction catalyst which is a molecular catalyst including a ruthenium complex comprising a bipyridine-based ligand.The chemical reaction device using a reduction catal...
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JP2024063931A |
[Problem] In a water electrolysis system in which a large number of water electrolysis stacks are connected in series, it is possible to reduce current in stacks with increased resistance and to suppress propagation to other stacks due t...
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JP2024064381A |
The present invention provides a water electrolysis system that can improve water electrolysis efficiency. A water electrolysis system that generates oxygen and hydrogen by electrolysis of water, including a water electrolysis cell that ...
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JP2024063273A |
The present invention provides a water electrolysis system that can reduce deterioration of an electrolyte membrane in a hydrogen boosting stack due to drying. [Solution] A water electrolysis system 10 includes a water electrolysis stack...
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JP2024063480A |
[Problem] It is not necessary to provide a closed tank for efficiently recovering hydrogen in an electrolytic cell that performs anodizing treatment, and hydrogen generated during anodizing treatment of a piston for an internal combustio...
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JP2024519270A |
The present invention relates to a fuel cell system (1) arranged for the conversion of pure hydrogen, said system comprising: (a) an anode (2a), a cathode (2b), and said anode (2a) and cathode (2b). at least one fuel cell (2) comprising ...
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JP2024518900A |
One aspect of the present invention provides a ship balance water treatment system installed inside a ship, comprising: a first tank in which a solid raw material is stored; a water supply device providing a first water stream to the fir...
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JP7478082B2 |
To attain space-saving of a hydrogen/oxygen generator.There is provided a hydrogen/oxygen generator having a gas liquid separation tank comprising a storage space for storing product gas and water, a gas discharge port for discharging pr...
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JP7476663B2 |
To provide other technique for reducing electric power supplied to a dehumidifier for dehumidifying hydrogen gas generated by water electrolysis, and to provide other technique for reducing exhaust hydrogen due to dehumidification.A dehu...
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JP7474233B2 |
Real-time data from cells is recorded during operation of an electrolyzer. Synthetic data is generated based on historical data of the electrolyzer and the cells, the synthetic data comprising synthetic cell voltages and synthetic produc...
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JP2024056677A |
[Problem] To improve the energy efficiency of a hydrogen supply system. A management center 40 includes a management device 42 that manages a hydrogen production base 30 that supplies hydrogen. The management device 42 adjusts the amount...
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JP7473153B2 |
To provide a hydrogen production device that can stably be operated at a high temperature of higher than 100°C.The hydrogen production device comprises a water electrolysis section and a cell heating section. The water electrolysis sect...
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JP2024517628A |
An object of the present invention is a temperature control system for a solid oxide cell, the cell comprising a fuel side (100), an oxygen-rich side (102), and an electrolyte element (104) between the fuel side and the oxygen-rich side....
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JP7473552B2 |
A rack-mount box (1) for a high-pressure electrolyser stack (9), wherein the rack-mount box (1) comprises: a housing (3) forming a heat-emitting device chamber, and a heat-conducting cooling tray (7) arranged in the heat-emitting device ...
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JP7470931B2 |
Gas generator (1) includes decomposition unit (2) and supply unit (3). Decomposition unit (2) reacts with at least a portion of a supply liquid to generate at least one of hydrogen gas or oxygen gas. Supply unit (3) collects moisture in ...
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JP7470818B2 |
This alkaline water electrolysis system (70) comprises: a rectifier (74) that is connected to a fluctuating power source and converts AC power into DC power; a bipolar electrolytic cell (50) that generates hydrogen and oxygen by performi...
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JP7468888B2 |
To provide a water electrolysis method and a water electrolysis system which allow water electrolysis to work with high efficiency at neutral pH.The water electrolysis method is a method of electrolyzing water at a temperature ranging fr...
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JP7468599B2 |
To make it possible to detect a short circuit in a water electrolyzer even while the water electrolyzer is operating, a voltage sensor is disposed for each of plural water electrolytic cells, the voltage of each of the water electrolytic...
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JP2024053375A |
An object of the present invention is to provide an optical fuel cell using water vapor as fuel. An electrochemical device 11 having a negative electrode 20, a positive electrode 30, a proton conductor 40 disposed between the negative el...
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JP2024053492A |
The present invention provides a method for operating an electrolyzer with a long life. A method for operating an electrolytic device according to an embodiment includes an anode including a porous catalyst layer containing a noble metal...
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JP2024053538A |
An object of the present invention is to suppress deterioration in performance of a water electrolysis device. A water electrolysis device includes: an anode, a cathode, an electrolyte membrane provided between the anode and the cathode,...
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JP2024516177A |
The present disclosure relates to apparatus, systems, and methods for selectively recovering carbon-containing gas from an input gas mixture.
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JP2024516306A |
The water electrolysis stack 0 is used to produce hydrogen and oxygen from water and has a plurality of PEM type electrolysis cells 2 arranged to form a cell stack 1. A first channel for water supply, a second channel for water discharge...
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JP2024515414A |
The present invention relates to a water electrolysis device including a diaphragm for removing dissolved gas in an electrolytic solution, and the present invention relates to a water electrolysis device that includes a diaphragm for rem...
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JP7464996B2 |
The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting a metal, or an alloy thereof, with steam to produce a metal oxide and/or a metal hydroxide and hydrogen. The ...
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JP2024050475A |
The present invention provides methods and equipment for producing one or more electrolytic products. One or more electrolytic cells having a proton exchange membrane are utilized, a hydrogen-rich cathode extraction gas is withdrawn from...
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JP2024515531A |
The present invention is directed to the control of processes towards stable and high performance of bioelectrochemical systems. Disclosed is a method of preparing a bioelectrochemical system (BES) that involves establishing a biofilm wh...
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JP2024048528A |
The present invention provides a carbon dioxide utilization system that improves the energy efficiency of the entire refinery facility by reusing carbon dioxide contained in FCC exhaust gas that has conventionally been exhausted and rele...
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JP2024049132A |
[Problem] To reduce power consumption of a water electrolysis device by adjusting the rotation speed of a circulation pump. [Solution] A water electrolysis device (100) is installed in an electrolytic tank (20) that electrolyzes water an...
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JP2024049362A |
The present invention provides a method for operating an electrolytic device and an electrolytic device that prevents the generation of an explosive gas mixture within the electrolytic device. The present invention relates to a method fo...
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JP2024515252A |
The present invention is a cell stack type electrolyzer comprising: first and second end plates having a plurality of cells axially stapled between the cell stacks; an electrolyte inlet in one of said end plates; A manifold for electroly...
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JP7463323B2 |
According to one embodiment, there is provided a carbon dioxide fixation system includes an electrolytic cell and a settling tank. An electrolytic cell electrolyzes seawater to generate sodium hydroxide (NaOH). A settling tank mixes the ...
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JP7462020B1 |
An object of the present invention is to reduce the electric energy cost during hydrogen production and suppress the generation of carbon dioxide in a hydrogen production system and hydrogen production method. [Solution] A heat exchanger...
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JP2024046632A |
An object of the present invention is to provide a device that more efficiently recovers phosphorus from treated water containing suspended solids. [Solution] An electrolytic cell capable of accommodating treated water containing phospho...
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JP2024045797A |
The present invention provides a water electrolysis device that can detect gasket deterioration at an early stage before gas leakage occurs. The water electrolysis device includes a water electrolysis cell stack and a pressure sensor, th...
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JP2024045484A |
[Problem] In a water electrolysis device having a water electrolysis cell, even if hydrogen and oxygen are consumed due to cross leakage after water electrolysis operation is stopped, negative pressure inside the water electrolysis devic...
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