Alerta

CATALYST-COATED MEMBRANES FOR WATER ELECTROLYSIS

Resumen de: WO2025210347A1

A catalyst-coated membrane for a water electrolyser is provided. The catalyst-coated membrane comprises a polymer electrolyte membrane with an anode catalyst layer on a first side of the membrane. The anode catalyst layer comprises an oxygen evolution reaction catalyst containing at least one noble metal at a loading of the oxygen evolution reaction catalyst, based on the noble metal content, of less than or equal to 0.6 mg/cm2. The polymer electrolyte membrane comprises a membrane layer comprising dispersed platinum group metal-containing nanoparticles, a nanoparticle stabilising agent and an ion-conducting polymer.

RECYCLING OF CATALYST COATED MEMBRANE COMPONENTS

Resumen de: CN120092333A

A method of recycling a spent catalyst coated membrane, wherein the spent catalyst coated membrane comprises: a membrane comprising a membrane ionomer; a first catalyst layer disposed on one side of the membrane, the first catalyst layer comprising a first catalyst and a first catalyst layer ionomer; and a second catalyst layer disposed on opposite sides of the membrane, the second catalyst layer comprising a second catalyst and a second catalyst layer ionomer. The method is configured to recover the first catalyst layer ionomer and the second catalyst layer ionomer in addition to the catalyst materials and the membrane ionomer.

Solid electrochemical device

Resumen de: GB2640063A

Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.

METHOD FOR TRANSPORTING HYDROGEN FROM A FLOATING WIND TURBINE TO A WATER VEHICLE

Resumen de: WO2024115474A1

The aim of the invention is to transport energy produced in an environmentally friendly manner by means of an offshore wind turbine to land in a simple and reliable manner. This is achieved by a method (100) for transporting hydrogen from a floating wind turbine (10) to a water vehicle (11), wherein hydrogen is provided in a storage tank (31) of a floating wind turbine (10), and a water vehicle (11) with a transport tank (36) is positioned by the floating wind turbine (10). The hydrogen is transported from the storage tank (31) to the transport tank (36) using a line (35) which is designed to transport the hydrogen.

Fluid treatment apparatus

Resumen de: GB2639995A

Fluid treatment apparatus 10 for undertaking electrolysis of a fluid to thereby produce hydrogen gas, and/or undertake electro-coagulation of the fluid to thereby reduce the presence of suspended solids in the fluid, and/or to undertake desalination of the fluid, the apparatus comprises a tank 50 containing water, the tank including electrodes 120 connected to an electrical supply 150, wherein the electrodes include an anode and a cathode. The electrical supply is arranged to supply electricity to the electrodes such that the voltage between the anode and a reference point at a constant electric potential varies as a function of time, wherein the time-dependence of the voltage between the anode and the reference point is described by a function V(), defined for any time as the greatest value of 1(), 2() and 3(), which are defined herein. A waveform of the voltage () that is applied between the anode and a reference point is sinusoidal. A method of treating fluid is also described.

Method of producing hydrogen using aluminium

Resumen de: GB2639836A

A method of producing hydrogen is disclosed which comprises providing apparatus including a first container having an inlet and a second container having an outlet, wherein the first container and second container contain liquid aluminium or a liquid aluminium alloy, and wherein said liquid has a first surface proximate the inlet; reacting said liquid in the first container with water vapour supplied to the first container via the inlet in order to generate hydrogen which dissolves in the liquid, wherein said reaction takes place either at the surface or in the liquid; causing the hydrogen dissolved in said liquid to move to the second container; extracting hydrogen in the form of gas from liquid in the second container.

差圧式電解セル、差圧式電解スタックおよび差圧式電解セルの製造方法

Resumen de: US2025305161A1

A differential pressure electrolysis cell for producing a gas having a higher pressure than a fluid at the second electrode by applying a voltage between a first electrode and a second electrode to electrolyze the fluid containing water and supplied to the first electrode, wherein an electrolyte membrane of the differential pressure electrolysis cell includes: a first layer facing the first electrode and having a first ion exchange capacity per unit area; and a second layer facing the second electrode and having a second ion exchange capacity per unit area, and the second ion exchange capacity is larger than the first ion exchange capacity.

ELECTROLYTIC UNIT AND ELECTROLYTIC STACK

Resumen de: EP4628629A2

The present application provides an electrolytic unit, comprising: a plate having a first side and a second side opposite each other, the first side being an anode side, and the second side being a cathode side; an anode porous transport layer and a cathode porous transport layer respectively disposed at the first side and the second side; an exchange membrane; an anode catalyst layer and a cathode catalyst layer respectively disposed at two sides of the exchange membrane; an anode gas diffusion electrode positioned on the anode catalyst layer; and a cathode gas diffusion electrode positioned on the cathode catalyst layer; wherein the cathode porous transport layer, the plate and the anode porous transport layer are formed as an integral mechanical portion, and the anode gas diffusion electrode, the anode catalyst layer, the exchange membrane, the cathode catalyst layer and the cathode gas diffusion electrode are formed as an integral electrochemical portion. The present application also provides an electrolytic stack comprising the electrolytic unit described above. The technical solutions of the present application facilitate the assembly and maintenance of the electrolytic unit and the electrolytic stack.

MEMBRANE SEPARATOR FOR ELECTROLYSIS OF ALKALINE WATER

Resumen de: CN120303449A

The present invention relates to a symmetric separator membrane for electrolyzing alkaline water and having a uniform pore distribution.

WATER SEALED TANK

Resumen de: WO2024115781A1

The invention concerns a water sealed tank, comprising : a tank body and a heat conducting pipe. The tank body comprises a gas-liquid inlet, a water outlet and a gas outlet, wherein the gas outlet is close to or located on a top portion of the tank body and communicates with the tank body, the water outlet is close to or located on a bottom portion of the tank body, the gas-liquid inlet communicates with the tank body and is used for feeding a gas-water mixture into the tank body, and a gas separated from the gas-water mixture inside the tank body is discharged from the gas outlet. At least a part of the heat conducting pipe is located inside the tank body, and used for a liquid to flow through, so as to allow the heat conducting pipe to exchange heat with water inside the tank body and heat the water inside the tank body. A water electrolysis process for preparing hydrogen generates a lot of additional heat. By using the heat generated by electrolysis to heat the water inside the water sealed tank, the heat is effectively utilized without adding additional heating facilities in the water sealed tank to increase the water temperature, thereby reducing the waste of energy.

電解システム

Resumen de: JP2025149444A

【課題】高純度の水素を製造すると共に電解セルから排出されたオフガスを当該電解セルに還流させる際の熱効率の悪化を抑制する。【解決手段】電解システムは、固体酸化物形の電解セルとこれを収容する断熱性の収容容器とを有する電解モジュールと、電解セルに水蒸気を供給する水蒸気供給ラインと、金属系の水素透過膜を有すると共に収容容器に収容され電解セルから排出された生成水素と水蒸気とを含むオフガスを導入し水素透過膜を透過した生成水素を収容容器外の生成水素ラインへ出力し水素透過膜を透過しなかった生成水素と水蒸気とを収容容器内で水蒸気供給ラインに出力する水素分離ユニットと、を備える。収容容器は、電解セルを収容する第１収容空間と、第１収容空間よりも低い温度に維持された第２収容空間と、を有する。水素分離ユニットは、第２収容空間に収容されている。【選択図】図１

GREEN ELECTRIC VOLTAGE SOURCE

Resumen de: EP4629404A1

A method and an apparatus to generate an electric voltage by contacting the inside of a closed mild carbon steel tube at a temperature between 250°C and 1200°C with di-Hydrogen obtained by electrolysis of pure water, said di-Hydrogen being at a pressure between 0 and 10 Bar gauge.

水素豊富水を生成するための組成物及び他の製品

Resumen de: CN120037258A

Compositions for producing hydrogen-rich water, nutraceuticals, cosmetics, pharmaceuticals and other products are provided. In one embodiment, the present invention provides a composition, such as a tablet, comprising magnesium metal, at least one water-soluble acid, and a binder. The magnesium metal and the at least one water-soluble acid are present in an amount sufficient to maintain a pH of less than 7, e.g., at a specific period after the reaction, and an H2 concentration of at least 0.5 mM after the reaction in 50 mL of water in a container, e.g., a sealed or open container, e.g., an H2 concentration of at least 0.5 mM after the reaction in 100 mL of water or an H2 concentration of at least 0.5 mM after the reaction in 500 mL of water. The composition may also include a lubricant.

電極および電気化学セル

Resumen de: CN119948656A

Disclosed is an electrochemical cell having: a porous metal support; a gas transport layer on the porous metal support; and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or more, and wherein a pore volume fraction of the electrode layer is less than a pore volume fraction of the gas transport layer. Stacks of such electrochemical cells and methods of making the electrochemical cells are also disclosed.

アンモニア分解反応用触媒、その製造方法及びそれを用いた水素生産方法

Resumen de: CN120035473A

The present invention relates to a catalyst for an ammonia decomposition reaction, a method for producing the same, and a method for producing hydrogen using the catalyst for an ammonia decomposition reaction, and more particularly, to a method for producing a catalyst for an ammonia decomposition reaction by supporting highly active ruthenium on a lanthanum-cerium composite oxide support at low cost and with high efficiency, and a method for producing a catalyst for an ammonia decomposition reaction, whereby it is possible to easily produce a catalyst that exhibits a higher ammonia conversion rate than conventional catalysts for an ammonia decomposition reaction. A catalyst for an ammonia decomposition reaction, which is produced by the catalyst for an ammonia decomposition reaction; and a method for producing hydrogen using the catalyst for an ammonia decomposition reaction.

水素を生成するシステム

Resumen de: US12435435B1

A system (1) for generating hydrogen gas comprises a reaction vessel (101) containing an aqueous solution (102) and a cathode (105) and an anode (107) each positioned at least partly in the reaction vessel (101). The system (1) comprises first and second ultrasonic transducers (215-220) which emit ultrasonic waves in the direction of the cathode (105) and the anode (107) respectively. Each ultrasonic transducer (215-220) is driven by a respective transducer driver (202) to optimise the operation of the system (1) for generating hydrogen gas by sonoelectrolysis.

要素のスタックを一緒に接合するための方法

Resumen de: CN120303448A

The invention relates to a method for joining together stacks of elements, comprising the steps of: joining together sub-assemblies of elements individually; joining the subassemblies together by arranging a joint between each subassembly to form an element stack; a successive heating phase and a cooling phase are applied to the component stack, while at least one clamping action is applied to the component stack between two different heating and cooling phases.

バイポーラプレート、電解セル、電解槽スタック、及び、これらに関連する組立方法

Resumen de: CN120344719A

The invention relates to a bipolar plate for an electrolytic cell, the plate comprising, on at least one of its main faces: a first region extending circumferentially; a second region extending circumferentially so as to border the first region on the outside; a third region extending circumferentially so as to border the second region on the outside, each region being arranged on a perimeter of an associated major face. The invention also relates to a corresponding cell, an electrolytic cell stack and a method of assembly.

ENSEMBLE MODULAIRE POUR SYSTEME D’ELECTROLYSE D’OXYDE SOLIDE

Resumen de: FR3160708A1

L’invention concerne un ensemble modulaire pour système d’électrolyse d’oxyde solide pour la production d’hydrogène. Il comportant au moins un module (1) comprenant au moins un empilement (2) de plaques d’oxydes solides positionné dans une enceinte chaude (3), des conduites d’amenée de fluides dans l’empilement (2), des conduites d’évacuation de fluides de l’empilement (2), et au moins un dispositif réchauffeur de fluide permettant au fluide d’atteindre une température compatible avec le fonctionnement de l’empilement (2). Le module (1) comprend une première partie amovible (10), équipée de premiers connecteurs (4) de conduites de fluides, qui comprend l’empilement (2) de plaques d’oxydes solides positionné dans ladite enceinte chaude (3), et une seconde partie fixe (11) équipée de seconds connecteurs (5) apte à s’assembler avec et à se désassembler desdits premiers connecteurs (4). La seconde partie fixe (11) comprenant un réseau (13) de distribution comportant lesdites conduites d’amenée (14) et d’évacuation (15) de fluides. Figure pour l’abrégé : Fig.1

一种用于ALK电解槽的极板及ALK电解槽

Resumen de: CN120738670A

本发明提出一种用于ALK电解槽的极板及ALK电解槽，包括极板，所述极板包括极框、主极板，所述极框与所述主极板固定连接，所述极框设在所述主极板的外部，所述极框的底部靠上三分之一处开设有进液口，所述极框的顶部两边分别开设有两个氢气出口，所述极框的顶部两边分别开设有两个氧气出口。本发明既保证了电解槽极板底部液体的充足，减少了因液体只靠一边流出而导致的局部无液体干烧问题的出现，保证了气液的均衡，双向出气液的流道可以保证隔膜全部被液体湿透，降低了氢氧气互串的风险，大大提高了电解槽的气体纯度及安全。

一种磷修饰钨酸钴双功能电极材料及其制备方法以及在电解水制氢中的应用

Resumen de: CN120738699A

本发明公开了一种磷修饰钨酸钴双功能电极材料及其制备方法以及在电解水制氢中的应用，所述电极材料是以泡沫镍为基底材料，通过在基底材料上合成磷修饰的钨酸钴纳米颗粒得到；制备时，首先将基底材料进行预处理，然后与钴盐和钨酸盐溶液进行水热反应，接着进行磷修饰改性，最后得到磷修饰钨酸钴双功能电极材料；本发明的双功能电极材料不仅电解水制氢性能优异，而且析氧性能也良好；本发明的制备方法简单，只需简单的水热反应和煅烧，且制备原料价廉易得，因此该双功能电极材料能够低成本地大规模生产，有利于电解水制氢的规模化应用。

一种铬氮共修饰钨酸镍全pH析氢电极材料及其制备方法以及在电解海水制氢中的应用

Resumen de: CN120738698A

本发明公开了一种铬氮共修饰钨酸镍全pH析氢电极材料及其制备方法以及在电解海水制氢中的应用，所述电极材料是以泡沫铁或泡沫钴或泡沫镍为基底材料，通过在基底材料上合成经过铬氮共修饰的钨酸镍纳米棒得到；制备时，首先将基底材料进行预处理，接着与镍盐、钨酸盐和硝酸盐溶液进行水热反应，接着进行铬和氮修饰改性，最后得到铬氮共修饰的全pH析氢电极材料；本发明制备方法简单，只需简单的水热反应和管式炉煅烧，成本低廉，得到的全pH电解水制氢电极材料具有优异的电解海水制氢活性，在酸性、中性和碱性电解质中均表现出色，电解海水制氢活性大幅提升；进一步研究发现，该电极材料还具有优异的全pH电解海水制氢稳定性，有利于大规模电解水制氢。

一种光催化析氢器件及其制备方法

Resumen de: CN120738673A

本发明公开了一种光催化析氢器件及其制备方法，属于光催化技术领域，包括以下步骤：将过渡金属氧化物生长于导电基底上，形成过渡金属氧化物半导体光阴极，作为光催化析氢器件的光阴极；将金属基电极作为光阳极；通过导线将两电极连接并置于电解液中，从而构建光催化析氢器件。本发明以过渡金属氧化物半导体光阴极和金属基光阳极串联体系为核心，通过耦合原电池自驱动放电与光激发过程实现创新设计，无需外接电源即可实现全天候高效光催化析氢。该器件在光生载流子分离效率、光催化制氢效率以及稳定性方面均表现出显著优势。过渡金属氧化物半导体光阴极所用原料易于获取且成本低廉，制备工艺简便，操作易于掌握，适用于大规模生产。

一种氨分解催化剂及其制备方法和氨分解制氢方法

Resumen de: CN120733739A

本发明公开了一种氨分解催化剂及其制备方法和氨分解制氢方法，涉及催化技术领域，所述方法具体步骤为：将氯化铵、三聚氰胺和预处理后的泡沫镍按下中上的顺序依次平铺填充到密封的坩埚中，盖住埚盖，将坩埚置于管式炉中加热煅烧一定时间，即得到氨分解催化剂。本发明利用一锅法进行催化剂制备，NH4Cl首先在高温条件下分解形成气态的HCl；随后在HCl气氛下，泡沫镍被刻蚀剥离使表面Ni金属被连续转化为具有低沸点的气态NiCl2；最后气态NiCl2热解生成金属Ni颗粒，牵引三聚氰胺热解生成纳米纤维并均匀分散附着在其表面。本发明方法简便可控，不仅可以通过调整刻蚀条件优化催化剂的催化活性，而生成的氨分解催化剂独特的结构设计可显著提升催化剂的活性和稳定性。

一种电镀液、一种电解水析氢电极及其制备方法

Nº publicación: CN120738716A 03/10/2025

Solicitante:

碳能科技（北京）有限公司

Resumen de: CN120250094A

The invention provides electroplating liquid, a water electrolysis hydrogen evolution electrode and a preparation method of the water electrolysis hydrogen evolution electrode, and belongs to the technical field of water electrolysis hydrogen production. The electroplating solution provided by the invention is a weakly acidic platinum plating solution, has the advantages of good stability and reusability, and ensures the stability of a plating layer while effectively regulating and controlling the electrode loading capacity in a circulating electroplating manner. According to the preparation method of the water electrolysis hydrogen evolution electrode, the electrochemical stability of the electrode can be effectively improved, the binding force of a plating layer and a substrate is enhanced, the electrochemical surface area is increased, the utilization rate of platinum is increased, the activity is improved, and the performance of the prepared electrode is remarkably improved.