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Process and Apparatus for Sustainable Water Fuelled Vehicle

Resumen de: US2025125390A1

A sustainable water fueled process and apparatus where a Unipolar electrolysis of water is described and the hydrogen and oxygen are stored before feeding a hydrogen fuel cell which is capable of providing sufficient electricity to provide power to a drive a vehicle, power a generator etc, after supplying electricity to the Unipolar electrolyser and the storage of the hydrogen and oxygen.

SYSTEM AND METHOD FOR PRODUCING AMMONIA

Resumen de: AU2023349727A1

A system (1) for producing ammonia comprises an ammonia reactor (44) which is designed to produce ammonia (NH3) from a synthesis gas, the synthesis gas comprising hydrogen (H2) and nitrogen (N2), and the system also comprises an electrolizer (2) which is designed to produce hydrogen and oxygen from water, wherein: a compressor (6) is provided and is fluidically connected to the electrolizer (2) and is designed to compress the hydrogen (H2) coming from the electrolizer (2); and the compressor (6) is designed to compress mobile hydrogen (H2).

Arrangements and methods for proton exchange membrane devices

Resumen de: FI20236153A1

According to a first aspect of the present disclosure there is provided an arrangement (10) for a proton exchange membrane (PEM) device. The arrangement comprises the anode (13) of said PEM device, a hydrogen feed line (11,12) for feeding hydrogen to the anode (13), a circulation line (14) fitted in parallel with the anode of the PEM device for circulating part of the hydrogen from said feed line (12) past the anode, and at least one slip-stream filter (15) arranged on said circulation line (14) for removing impurities from the hydrogen. The slip-stream filter (15) at its input end is connected to said circulation line (14) via a first valve (16) and at its output end is connected to the fuel return outlet (18) of said anode. The fuel return outlet being in flow connection with a purge line (20) for the anode having a second valve (17). The slip-stream filter (15) during a regeneration process may be flushed with gas from said circulation line (14) through said second valve (17).

CONTROL METHOD AND APPARATUS FOR HYDROGEN PRODUCTION DEVICE, DEVICE, AND MEDIUM

Resumen de: WO2025077747A1

A control method and apparatus for a hydrogen production device, a device, and a medium. The method comprises: acquiring electric energy information of an input current of a hydrogen production device (101); on the basis of the electric energy information, determining a predicted flow passing through fluid regulating valves in the hydrogen production device, wherein the fluid regulating valves comprise a high-frequency regulating valve and a low-frequency regulating valve which are arranged in parallel (102); and adjusting the opening degree of the low-frequency regulating valve on the basis of the predicted flow, a first flow selected from a flow range corresponding to a preset opening degree range of the high-frequency regulating valve, and a second flow corresponding to the current opening degree of the low-frequency regulating valve (103). When the input current fluctuates greatly, the opening degree of the low-frequency regulating valve is adjusted to reserve sufficient adjustable opening degree margin for the high-frequency regulating valve.

ELECTROLYZER WITH PULSE WIDTH MODULATOR

Resumen de: WO2025080873A1

Disclosed herein are components of an electrolysis system and components and methods of operation thereof to improve electrolysis operations. The electrolysis system includes a pulse width modulation control system that adjusts voltage and current applied to an electrolytic cell by modulating a duty cycle of a high frequency waveform. The voltage and current are adjusted based on data provided by one or more feedback loops that monitor performance characteristics of the electrolyzer.

INTEGRATED PRODUCTION OF HYDROGEN AND FRESH WATER USING RENEWABLE ENERGY

Resumen de: WO2025080255A1

An apparatus for producing hydrogen from variable electric generators includes a variable output generator operatively coupled to a power supply. A plurality of electrolysis cells is operatively coupled to the power supply. A cooling water system removes heat from the cells, and includes a hot water tank for receiving and storing water heated by the cells and a cold water tank arranged to store cooled water for cooling the cells. An evaporative desalinator has a heat input in communication with the hot water tank and a cooled water output in communication with the cold water tank. The size of the tanks corresponds to variability of the electric generator, the maximum output of the generator and an operating rate of the desalinator. Part of water discharged from a fresh water output of the desalinator is used as feed input to the cells and the remainder is available for use as fresh water.

WATER SPLITTING CELL FOR USE IN WATER SPLITTING DEVICE AND WATER SPLITTING DEVICE

Resumen de: WO2025079345A1

A water splitting cell that is a water electrolysis cell for use in a water splitting device that splits water and generates hydrogen when irradiated with light, said water splitting cell comprising: a laminate in which an anode, a perovskite battery cell, and a cathode are laminated in the given order; and an electrically insulating protective material which covers the outer periphery of the laminate.

ZERO-GAP, MEMBRANE-LESS ELECTROLYSER FOR WATER SPLITTING IN HYDROGEN/OXYGEN PRODUCTION AND METHODS THEREOF

Resumen de: WO2025080121A2

The present invention discloses an electrolyser for water splitting in hydrogen/oxygen production and methods thereof. The electrolyser comprises a first electrode plate (100) coated with a first catalyst comprising a first ion transfer opening (101) formed therethrough along a first lateral axis of the first electrode plate (100); a second electrode plate (200) coated with a second catalyst comprising a second ion transfer opening (201) formed therethrough along a second lateral axis of the second electrode plate (200); and an electrically insulative adhesive layer (300) configured for securing together the first electrode plate (100) and the second electrode plate (200) in a face-to-face manner or a back-to-face manner, forming separate compartments each for a hydrogen gas and an oxygen gas resulting from the water splitting that provide immunity against any mixing of the hydrogen gas and the oxygen gas at any level of an electrical power supply.

連続アイオノマー相を有する一体型複合膜

Resumen de: US2023420718A1

Embodiments are directed to composite membranes having a microporous polymer structure, and an ion exchange material forming a continuous ionomer phase within the composite membrane. The continuous ionomer phase refers to absence of any internal interfaces in a layer of ionomer or between any number of layers coatings of the ion exchange material provided on top of one another. The composite membrane exhibits a haze change of 0% or less after being subjected to a blister test procedure. No bubbles or blisters are formed on the composite membrane after the blister test procedure. A haze value of the composite membrane is between 5% and 95%, between 10% and 90% or between 20% and 85%. The composite membrane may have a thickness of more than 17 microns at 0% relative humidity.

LITHIUM SALT PRODUCTION METHOD AND LITHIUM SALT PRODUCTION SYSTEM

Resumen de: WO2025079394A1

This lithium salt production method includes an adsorption step, a washing step, and a desorption step. In the adsorption step, a second electrode 2 and a first electrode 1 including an adsorbent (for example, λ-MnO2), are immersed in a raw material water 21 containing LiCl. By applying a first voltage between the first electrode 1 and the second electrode 2, Li+ is adsorbed on the first electrode 1. In the washing step, the first electrode 1 that has been subjected to the adsorption step is washed with a washing liquid 22 containing water. In the desorption step, the first electrode 1 that has been subjected to the washing step and a third electrode 3 are immersed in water 23 containing anions. A second voltage is applied between the first electrode 1 and the third electrode 3. As a result of the foregoing, Li+ is desorbed from the first electrode 1, H2 is formed on the third electrode 3, and a lithium salt is generated from Li+ and anions. The first voltage and/or the second voltage are generated by electric power derived from renewable energy.

水素生産及び硫黄－炭素隔離

Resumen de: AU2023254123A1

Embodiments of the invention relate to producing hydrogen from a subsurface formation by injecting a reactant into the subsurface formation and reacting the reactant with the subsurface formation to form at least one of hydrogen gas or a mineralized product within the subsurface formation. The hydrogen produced is collected or one or more components of the reactant is sequestered to form a mineralized product in the subsurface formation. Other embodiments of the invention relate to producing hydrogen by injecting a thermal fluid into the subsurface rock formation, where the thermal fluid includes a reactant. The reactant is reacted with components in the subsurface formation to form at least one of hydrogen gas mineralized sulfur, or mineralized carbon.

酸素発生用電極

Resumen de: CN119137312A

An electrode for an oxygen evolution reaction suitable for water electrolysis under alkaline conditions, comprising a ceramic material having a stability coefficient (SF) between 1.67 < = SF < = 2.8, calculated by formula (II) wherein ro represents the ion radius of the oxide ion (O2-), rB, av represents the weighted average ion radius of the transition metal, nA, nB, av represents the weighted average ion radius of the transition metal, nA represents the ion radius of the oxide ion (O2-), nA represents the ion radius of the oxide ion (O2-), nA represents the ion radius of the oxide ion (O2-), and nA represents the ion radius of the oxide ion (O2-). Av represents the weighted average oxidation state of the rare earth metal or the alkaline earth metal, and rA and av represent the weighted average ion radius of the rare earth metal or the alkaline earth metal. The invention further relates to an alkaline electrolysis stack comprising at least one such electrode, and to a method for water electrolysis using the alkaline electrolysis stack.

化合物、それを含んでなる光触媒、及び水素の製造方法

Resumen de: JP2025064132A

【課題】有機化合物としての効率的な光吸収と金属元素による酸化還元能とを併せ持つ、光触媒として有用な新しい化合物を提供すること。【解決手段】下記一般式（１）で表す化合物を用いる。（各Ｒは独立に置換／非置換のＣ５～３０のアリール等；各Ｒ１は独立にＣ１～３０のアルキル等；各Ｘは独立に一般式（２ａ）又は（２ｂ）；ｐは１～１０、各ｍ、ｎは独立に０～２。式（２ａ）中、ＭはＰｔ、Ｐｄ又はＮｉであり、式（２ｂ）中、ＭはＮｉ又はＣｏであり、Ｌは－ＯＨ２、－ＮＨ３又はハロゲン原子である。）TIFF2025064132000019.tif53155【選択図】なし

水素製造設備及び水素製造方法

Resumen de: JP2025064156A

【課題】水電解装置の性能を安定化しやすい水素製造設備及び水素製造方法を提供する。【解決手段】水素製造設備は、水を電気分解するための電解槽を含む水電解装置と、海水を淡水化するための海水淡水化装置と、前記海水淡水化装置で生成された純水を補給純水として前記水電解装置に供給するための純水ラインと、前記水電解装置に冷却水としての海水を供給するための冷却水供給ラインと、前記水電解装置を冷却した後の前記冷却水としての前記海水が流れる冷却水戻りラインと、前記冷却水戻りラインを流れる前記海水の少なくとも一部を補給海水として前記海水淡水化装置に供給するための第１供給部と、を備える。【選択図】図１

酸化タングステン光触媒

Resumen de: JP2025064535A

【課題】本発明では、光触媒活性の高い新規な光触媒材料を提供する。【解決手段】本発明の酸化タングステン光触媒は、ＸＲＤで測定したときに２２．５°～２３．４５°の範囲の最大ピークの半価幅δが、０．３５以下であり、かつＬ＊ａ＊ｂ＊色空間におけるａ＊値、及びｂ＊値が、以下の関係を満足する：ａ＊≦－９．５ｂ＊≧２．２ａ＊＋５４。【選択図】なし

ELECTROLYZER WITH PULSE WIDTH MODULATOR

Resumen de: US2025122635A1

Disclosed herein are components of an electrolysis system and components and methods of operation thereof to improve electrolysis operations. The electrolysis system includes a pulse width modulation control system that adjusts voltage and current applied to an electrolytic cell by modulating a duty cycle of a high frequency waveform. The voltage and current are adjusted based on data provided by one or more feedback loops that monitor performance characteristics of the electrolyzer.

SIX-MEMBERED HIGH-ENTROPY FOAMS FOR HYDROGEN PRODUCTION BY WATER SPLITTING AND PREPARATION METHODS THEREOF

Resumen de: US2025122633A1

Six-membered high-entropy foam for hydrogen production by water splitting and preparation method are provided. The foam consists of Ni, Fe, Cu, Co, Mo, and Pt, comprising 10 at %-25 at % of Ni, 10 at %-25 at % of Fe, 10 at %-25 at % of Cu, 10 at %-25 at % of Co, 10 at %-25 at % of Mo, and 10 at %-25 at % of Pt. Catalyst loading of the foam can reach a range of 0.8 mg/cm2-3.2 mg/cm2, which is much higher than the effective catalyst loading of most nano-catalysts. When used as catalyst for hydrogen production by water splitting, the hydrogen evolution overpotential of the surface of the six-membered high-entropy foam is within a range of 36 mV-60 mV, and the foam operates stably at industrial-level current density (500 mA/cm2). The preparation method does not require harsh environment such as high temperature or high vacuum, making the method simple and easy to implement, with low-cost raw materials.

Method for Removing Nitrogen Compounds

Resumen de: US2025122630A1

The invention relates to a method for removing nitrogen compounds which includes electrolysing a urea derivative of general formula I: (R1,R2)N—C(═X)—N(R3,R4), wherein: X means NH, NR5 or S, R1, R2, R3, R4 and R5 can be the same or different, and have the meanings indicated in claim 1, or a polymer of the compound of formula I, in an aqueous medium, in at least one electrolytic cell comprising an anode that comprises a metal, wherein “metal” means one or more metals, one or more compounds of a metal or a mixture of metal compounds or combinations thereof, and comprising a metal cathode. Nitrogen is obtained as a result of the oxidation of the nitrogen compounds at the anode and hydrogen as a result of the reduction of the water at the cathode, with the condition that if the anode is made of platinum, the cathode is not made of platinum.

Flow through electrode

Resumen de: GB2634522A

An electrode (100) for electrolysis, said electrode comprising: a first porous layer (102) permeable to electrolyte and gases produced by the decomposition of electrolyte and a second porous layer (104) permeable to electrolyte and gases produced by the decomposition of electrolyte. The second porous layer is located adjacent to the first porous layer (102), and the first porous layer (102) comprises nickel. Metal swarf may be used as the basis for both porous electrodes through a sintering method. The second porous layer (104) may comprise titanium. The electrode (100) may comprise a flow through electrode for the electrolysis of water.

METHOD FOR REMOVING NITROGEN COMPOUNDS

Resumen de: EP4538427A1

The invention relates to a method for removing nitrogen compounds, characterised in that it comprises electrolysing a urea derivative of general formula I: (R¹,R²)N-C(=X)-N(R³,R⁴), wherein: X means NH, NR⁵ or S, R¹, R², R³, R⁴ and R⁵ can be the same or different, and have the meanings indicated in claim 1, or a polymer of the compound of formula I, in an aqueous medium, in at least one electrolytic cell comprising an anode that comprises a metal, wherein "metal" means one or more metals, one or more compounds of a metal or a mixture of metal compounds or combinations thereof, and comprising a metal cathode. The method further comprises obtaining nitrogen as a result of the oxidation of the nitrogen compounds at the anode and hydrogen as a result of the reduction of the water at the cathode, with the condition that if the anode is made of platinum, the cathode is not made of platinum.

HYDROGEN ENERGY UNINTERRUPTIBLE POWER SYSTEM

Resumen de: EP4539178A1

The present disclosure relates to the technical field of hydrogen energy power generation, and provides an uninterruptible power supply based on hydrogen energy, which includes a hydrogen production unit, a power storage unit, a power generation device, and a control unit. The hydrogen production unit can prepare oxyhydrogen by an electrolytic method. The power storage unit can supply power to the hydrogen production unit and output electric power to the outside. The power generation device can receive the oxyhydrogen output by the hydrogen production unit and generate electricity, and the power generation device can output electric power to the outside or transmit the electric power to the power storage unit. The control unit communicates with the hydrogen production unit, the power storage unit and the power generation device by electrical signals.

WATER ELECTROLYSER STACK USING ALKALINE MEDIUM

Resumen de: EP4538424A1

The various embodiments of the present invention disclose an electrolyser stack, preferably water electrolyser using alkaline medium, comprising: a first end plate and a second end plate and a plurality of cells stacked in-between the first and the second end plate. Each cell comprises an anode cell frame and a cathode cell frame, each cell frame further comprises a central opening, at least one inlet channel transversing through the cell frame, and at least one inlet pathway grooved in the cell frame for connecting the inlet channel to the central opening. The inlet pathway comprises an inlet orifice characterized by a minimum cross-sectional area in the inlet pathway. The cross-sectional area of the inlet channel in the stack is greater than the sum of the cross-sectional area of the plurality of inlet orifices in the stack.

FRAMING STRUCTURE FOR AN ELECTROLYSER

Resumen de: AU2023285309A1

The present invention relates to a framing structure for an electrolyser subject to internal pressure, able to withstand corrosive environments and radial pressure forces. The present invention also relates to an electrolytic cell and electrolyser equipped with said framing structure, as well as its use in high-pressure water electrolysis applications.

水電解システムの制御方法及び水電解システム

Resumen de: WO2025074991A1

Provided is a control device including: a step in which a current command value regarding current to be applied to an electrolytic stack is determined; and a step in which pure-water adjustment amount command values for adjusting the pressure or/and flow rate of water to be supplied to the electrolytic stack are determined on the basis of the current command value. The control device further includes a step A in which, when the current command value is changed from a first current command value (current command value c1) to a second current command value (current command value c2), which is a different value, and the pure-water adjustment amount command value is changed from a first pure-water adjustment amount command value (pure-water adjustment amount command value w1) to a second pure-water adjustment amount command value (pure-water adjustment amount command value w2), which is a different value, measured values of the pressure or/and flow rate are caused to reach the second pure-water adjustment amount command value from the first pure-water adjustment amount command value before a measured value of current applied from a power converter to the electrolytic stack reaches the second current command value from the first current command value.

アンモニアの分解方法

Nº publicación: JP2025512105A 16/04/2025

Solicitante:

ジョンソン、マッセイ、パブリック、リミテッド、カンパニー

Resumen de: CN119233941A

A process for cracking ammonia to form hydrogen is described, the process comprising the steps of: (i) passing the ammonia through one or more catalyst-containing tubes in a furnace to crack the ammonia and form hydrogen wherein the one or more tubes are heated by combustion of a fuel gas mixture to form a flue gas containing nitrogen oxides, the invention relates to a method for producing ammonium nitrate from flue gas, comprising the steps of (i) cooling the flue gas to a temperature below 170 DEG C, where yH2O is mole% of steam in the flue gas, P * H2O is the equilibrium vapor pressure of water in an aqueous ammonium nitrate solution, and p is the minimum operating pressure of the flue gas, and (ii) cooling the flue gas to a temperature below 170 DEG C. # imgabs0 #