Resumen de: JP2026151576A
0001 【課題】長期間水電解に使用しても触媒が剥離し難い触媒付基材、膜電極接合体及び水電解装置の提供。 【解決手段】基材、触媒層及びメッキ層を含む触媒付基材であり、前記触媒層は、触媒粒子及びアイオノマーを含み、前記基材の少なくとも一方の面に前記触媒層、及び前記メッキ層がこの順に積層され、前記触媒付基材は、前記触媒層に前記メッキ層が積層された被覆部と、前記触媒層に前記メッキ層が積層されていない露出部と、を含む、触媒付基材。 【選択図】図1
Resumen de: WO2024252045A1
The invention relates to a hydrogen fuel cell obtained by solar-powered ionisation equipment characterised in that it consists of a fuel cell (CD) and hydrogen generation equipment, wherein the elements of the assembly are the following: A fuel cell (50), consisting of an outer perimeter cylindrical profile containing two rust-resistant sheets wound into a spiral on themselves and having a varying length; an outer anode membrane (51), an inner cathode membrane (52) and an electrolyte (53) between them in a closed circuit (57), with an outer cooling device (58) and an outermost catalysing membrane (59), where the produced electricity outputs (+) (55) and (-) (56) are at the end of the membranes (51) and (52), and the hydrogen is formed by attached hydrogen generation equipment.
Resumen de: JP2026150400A
【課題】水素の新たな製造方法を提供する。【解決手段】本発明は、溶融塩で湯面が覆われたAl基溶湯へガスを導入するバブリング工程と、バブリング工程後に回収した溶融塩またはその凝固塩に水を接触させる接触工程とを備える。その接触工程で発生した水素を捕集することにより、水素の効率的な生産が可能になる。バブリング工程は、例えば、不活性ガスをAl基溶湯へ導入してなされる。溶融塩は、例えば、塩化ナトリウムと塩化カリウムの混合塩である。水素の製造と併せて、接触工程で得られた残留物から金属酸化物(例えばAl2O3粒子、MgO粒子)を採取してもよい。また、バブリング工程によりAl基溶湯の精製も併せて行える。【選択図】図3
Resumen de: JP2026149887A
【課題】本発明によれば、水電解試験前後における触媒層中の金属酸化物の変化率が低く、耐久性が非常に高い電解質膜を提供することが可能である。すなわち水電解工程を通して、安定であり、より長期信頼性を有する水電解装置を提供することができるものである。また、本発明の他の実施形態である電解質膜用触媒層製造用インクを用いると、水電解に用いられる電解質膜に対し、触媒層の被覆を容易にすることができる。【解決手段】(A)ポリマー、及び(B)金属、若しくは金属酸化物を含有する電解質膜用触媒層であって、BET比表面積が、1.93×102m2/g以上2.00×103m2/g以下である電解質膜用触媒層。【選択図】なし
Resumen de: JP2026149886A
0001 【課題】 本発明は、水電解に用いられる電解質膜用触媒層に関し、水電解試験前後における触媒層中の金属酸化物の変化率が低く、耐久性が非常に高いものである。すなわち水電解工程を通して、安定であり、より長期信頼性を有する水電解装置を提供することができるものである。 【解決手段】 (A)ポリマー、及び(B)金属、若しくは金属酸化物を含有する電解質膜用触媒層であって、 更に(α)沸点が60℃以上150℃以下である有機溶媒を含有する電解質膜用触媒層。 【選択図】なし
Resumen de: WO2022189560A1
Method and system for producing a hydrogen product from ammonia, comprising: optionally at least one pre-cracking reactor, such as an adiabatic pre-cracking reactor, arranged to receive an ammonia feed stream, thereby producing a partly converted am-5monia feed stream comprising ammonia, hydrogen and nitrogen; an ammonia cracking reactor such as an electrically heated reactor. The reactor is arranged to receive the partly converted ammonia feed stream or the ammonia feed stream for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia; and a hydrogen recovery unit arranged to receive the effluent gas stream for 10producing the hydrogen product and an off-gas stream comprising hydrogen, nitrogen and optionally unconverted ammonia.
Resumen de: WO2022187133A2
A method of fabricating a device includes providing a substrate of the device, forming a structure of the device, the structure being supported by the substrate, having a semiconductor composition, and including a surface, where nitrogen is present at the surface, and incorporating oxygen into the surface to form a stabilizing layer on the surface. Incorporating oxygen into the surface is implemented such that the stabilizing layer includes a uniform distribution of an oxynitride material
Resumen de: WO2025149217A1
The present invention relates to an alkaline electrolysis device comprising: - at least one electrolysis cell having a reactor chamber, which has a hydrogen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous hydrogen and has an oxygen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous oxygen; - a hydrogen separator, which is connected to the hydrogen-side reactor-chamber region, for separating the gaseous hydrogen from the aqueous electrolyte introduced into the hydrogen separator; and - an oxygen separator, which is connected to the oxygen-side reactor-chamber region, for separating the gaseous oxygen from the aqueous electrolyte introduced into the oxygen separator; wherein the hydrogen separator comprises a first hydrogen-separator outlet for removing the aqueous electrolyte having a first hydrogen concentration, and a second hydrogen-separator outlet for removing the aqueous electrolyte having a second hydrogen concentration that is lower than the first hydrogen concentration; and wherein the first hydrogen-separator outlet and the second hydrogen-separator outlet can be or are connected to the reactor chamber.
Resumen de: EP4524100A1
Process comprising the production of a hydrogen-containing synthesis gas by the conversion of a hydrocarbon feedstock, said process comprising :- providing a fuel stream of ammonia comprising an ammonia content,- decomposing at least a portion of said ammonia content into hydrogen and nitrogen, thereby obtaining an enhanced fuel, said portion of the ammonia content undergoing said decomposition being greater than 50% of the ammonia content of said fuel stream of ammonia,- combustion of said enhanced fuel in a fired equipment to provide a heat input to the process.
Resumen de: EP4567153A1
0001 A method of electrolysing water, the method comprising: - providing an electrolyser comprising an anode; a cathode and optionally a separator; - contacting the cathode and/or the anode with an aqueous alkaline solution comprising water; and - electrolysing the water using a potential difference from the anode to the cathode, wherein at least one of the cathode and the separator comprises a substrate and a coating, wherein the coating comprises 9.5 to 35 wt% chromium; 10 to 75 wt% cobalt; and 10 to 60 wt% one or more further transition metals and/or one or more non-metallic elements selected from C, P, N and B, and wherein the coating catalyses hydrogen evolution at the cathode.
Resumen de: ES2962182A1
The present invention refers to a method for obtaining hydrogen through the dissociation of the water molecule through thermochemical reactions under (quasi-) isothermal conditions, which comprises the following steps: arranging the active material (103) in a volume reaction (109) of a reactor (101); reduce the active material (103) provided, by adding heat; evacuate the oxygen produced through a first outlet (106); inject water into the reaction volume (109); oxidize the active material (103) producing hydrogen; filter the hydrogen produced through a selective filter (104) during the oxidation process of the active material (103); and evacuate the filtered hydrogen through the second outlet (107) obtaining a flow of high purity hydrogen; and device to carry it out. (Machine-translation by Google Translate, not legally binding)
Resumen de: KR102861076B1
A method for operating a high temperature water electrolysis stack is disclosed. The disclosed method for operating a high temperature water electrolysis stack comprises the steps of: injecting a reducing gas into a hydrogen electrode of a high temperature water electrolysis stack (s210); initially raising the temperature of the hydrogen electrode of the high temperature water electrolysis stack (s220); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack (s230); primarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s240); re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s250); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack again (s260); secondarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s270); and performing a normal operation by re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s280).
Resumen de: US20260286542A1
An object of the present invention is to provide an electrolyte membrane having an excellent joining property between an electrolyte membrane and a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) on at least one of the faces of the layer (A), wherein porosity (X1) in an interface region of the layer (B), on the layer (A) side, is higher than porosity (X2) in another interface region of the layer (B), on the opposite side to the layer (A).
Resumen de: DE102025111044A1
Die Erfindung betrifft eine Elektrolysezelle (2) zur Verwendung in einem Elektrolyseur zum elektrochemischen Zerlegen von Wasser zu Wasserstoff und Sauerstoff, umfassend eine Membran-Elektroden-Einheit (10) mit einer Membran (4) und beidseitig der Membran (4) aufliegend einem Anodenkatalysator (6) und einem Kathodenkatalysator (8), einen Zellrahmen (12) zum Einspannen zumindest der Membran (4), mindestens eine Gasdiffusionslage (20) und ein Weichelement (18), welches zwischen der Membran-Elektroden-Einheit (10) und der Gasdiffusionslage (20) angeordnet ist. Um eine Faltenbildung der Membran möglichst zu verhindern, oder zumindest zu minimieren, ist zudem eine Stabilisierungsschicht (16) vorgesehen, die zwischen dem Weichelement (18) und der Membran-Elektroden-Einheit (10) angeordnet ist, wobei die Stabilisierungsschicht (16) eine höhere Biegesteifigkeit als das Weichelement (18) aufweist.
Resumen de: US20260286534A1
0000 An embodiment of the present disclosure relates to a hydrogen supply system including a water electrolysis stack configured to produce hydrogen by electrochemically decomposing water, and a metal hydride compressor connected to the water electrolysis stack and configured to treat the hydrogen before supplying the hydrogen to a supply destination, thereby obtaining an advantageous effect of simplifying a structure and improving spatial utilization and a degree of design freedom.
Resumen de: US20260286551A1
0000 An electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
Resumen de: US20260286553A1
0000 The present disclosure relates to a hydrophilic composite, comprising 2nd bimetallic component M3M4 (e.g. CoMoO4) deposited on 1st bimetallic component M1M2 (e.g. NiMoO4), supported on a support (e.g. Ni foam) (also termed as M3M4Oy@M1M2Ox/support); wherein the composite has dual structural property without the need of binder/additive and to a process of preparing the hydrophilic composite (M3M4Oy@M1M2Ox/support) and uses thereof. The present disclosure also relates to the environmentally benign production of green hydrogen through HER (hydrogen evolution reaction), and OER (oxygen evolution reaction) reactions using M3M40y@M1M2Ox/support as cathode or anode or both.
Resumen de: US20260285690A1
0000 The present invention relates to a process for cleaning a CO<2>-rich gas feed, in the presence of a hydrogen-rich feed, in particular for removing sulfur-containing impurities, and optionally oxygen.
Resumen de: US20260284639A1
0000 A catalyst includes catalytically active material including a formula: CeJQO, wherein Ce is Cerium, J includes at least one of Zirconium, Hafnium, Niobium, Tantalum, and Titanium, Q includes at least one of Praseodymium, Terbium, Thulium, Europium, Samarium, Ytterbium, Gallium, Germanium, Indium, Tin, Antimony, and Bismuth, and O is oxygen; and a support, wherein the catalyst has greater than 95% selectivity for carbon monoxide formation in a mixture of carbon dioxide and hydrogen operated at a temperature above 400° C. Catalysts, systems, and methods for syngas, chemical, and/or liquid fuel production are provided in the present disclosure.
Resumen de: US20260284640A1
0000 Described is a preparation method for a complex metal catalyst in the form of a triple metal of ruthenium, yttrium, and potassium by using a thermally transformed delta-alumina support and to a production method for hydrogen through ammonia cracking using same. The described catalyst for ammonia cracking attains the adjustment of the ratio of ruthenium/potassium+yttrium, along with a thermally transformed alumina support in a specific phase, even when using a low content of a ruthenium metal, the minimization of the contents of chlorine and nitrogen compounds, which are impurities in the catalyst, and the localization of active metals in the catalyst, thus achieving a very high ammonia conversion rate and hydrogen production efficiency even at a low temperature, compared with a catalyst having the same ruthenium metal content.
Resumen de: AU2024438054A1
In an electrolysis cell according to the present disclosure, an insulating packing material has: an annular packing body; an arc-shaped packing material having an arc shape formed inside the packing body and surrounding a first supply hole and a first discharge hole from the outer peripheral side, respectively; and a triangular packing material. In the arc-shaped packing material, which is in a state prior to elastic deformation by being sandwiched between a separator and an anion exchange membrane, the thickness of the arc-shaped packing material is set to be greater than the gap between a first diffusion guide part and the anion exchange membrane, and in the triangular packing material, the thickness thereof is set to be greater than that of the packing body.
Resumen de: US20260286546A1
0000 Electrochemical stack (1) comprising a plurality of electrochemical cells (2) that are oriented horizontally and arranged between a top plate (4) and a bottom plate (3) of the stack (1), wherein the top plate (4) and the bottom plate (3) are tensioned against one another by a tensioning device (5). At least one port is configured on the top plate (4) for supplying or discharging gaseous and/or liquid media to or from the electrochemical cells (2). The top plate (4) comprises suspension elements (17) configured to fasten the electrochemical stack (1) to a frame structure (15), wherein the bottom plate (3) is freely suspended. The mounting assembly for mounting the electrochemical stack comprises a frame structure (15) on which the electrochemical stack (1) rests with its suspension elements (17), such that the bottom plate (3) is freely suspended and the electrochemical cells (2) are oriented horizontally.
Resumen de: US20260286533A1
The technology disclosed herein generally concerns a system and a process for continuous generation of hydrogen and oxygen gases.
Resumen de: US20260286544A1
0000 An electrochemical electrode structure comprises a current collector and at least one electrode element, wherein the at least one electrode element is a two-dimensionally extended electrically conductive element having an open structure. In this electrochemical electrode structure, the at least one electrode element has at least one edge with a hemming rim at which a strip portion of the electrode is hemming bent away. An electrochemical cell comprises a first electrode, a second electrode and a separator, with either the first electrode or the second electrode or both electrodes being such an electrochemical electrode structure. A method comprises retrofitting a finite-gap electrochemical cell into a zero-gap type electrochemical cell using such electrochemical electrode structure.
Nº publicación: US20260286549A1 24/09/2026
Solicitante:
THYSSENKRUPP NUCERA AG & CO KGAA [DE]
thyssenkrupp nucera AG & Co. KGaA
Resumen de: US20260286549A1
0000 An electrochemical electrode structure comprises at least one electrode element and a supportive element. Each electrode element is a two-dimensionally extended electrically conductive element with an open structure and has a first edge portion. The supportive element has a resilient region extending areally in a plane of the main extension of the resilient region. The resilient region is adapted to push the at least one electrode member away from the supportive element in a direction at least substantially perpendicular to the plane of the main extension of the resilient region. The supportive element has a first tongue region arranged at an edge of the supportive element. The first edge portion of the at least one electrode element is bent around the first tongue region of the supportive element thereby attaching the at least one electrode element to the supportive element. Moreover, the invention relates to an electrochemical cell and to a bipolar electrode assembly each comprising such an electrode element, to an electrochemical cell arrangement with a plurality of such bipolar electrode assemblies, as well as to a method of attaching an electrode element to a supportive element of such an electrochemical electrode structure.