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ThermoHybrid cycle

Resumen de: GB2635098A

A process for generating electricity, hydrogen, sulphuric acid and hydrogen sulphide comprising the steps of i) combusting hydrogen sulphide with air/oxygen in a combustion chamber; ii) passing the products of the combustion to generate electricity by turning a turbine or to generate steam; ii) the separation of the products of the combustion using water to isolate the nitrogen and sulphur dioxide; iii) the passing of the sulphur dioxide into an electrolyzer, wherein the electrolysis of sulphur dioxide and water generates hydrogen and sulphuric acid; iv) the sulphuric acid is placed in a reactor with sulphate-reducing bacteria to produce hydrogen sulphide that subsequently used as the fuel of the process and combusted in a combustion chamber to restart the cycle. The nitrogen, hydrogen, and carbon dioxide that are produced during the process but are not used as part of the process are stored using conventional storage methods. The hydrogen sulphide may be produced by placing the sulphuric acid in a microbial reactor with sulphate-reducing bacteria.

PROCESS FOR MAKING AMINES FROM NITRILE COMPOUNDS USING HYDROGEN HAVING LOW DEUTERIUM CONTENT PRODUCED WITH NON-FOSSIL ENERGY IN THE ABSENCE OF AMMONIA

Resumen de: EP4549620A1

A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, preferably in the range of from 10 to 95 ppm, more preferably in the range of from 15 to 90 ppm, most preferably in the range of from 20 to 80 ppm, especially in the range of from 30 to 75 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with a nitrile compound or hydrogen cyanide (I)        R-CN     (I)to form the corresponding primary amine (II), secondary amine (III) and/or tertiary amine IV)        RCH2-NH2     (II),        (RCH2)2NH     (III)        (RCH2)3N     (IV)or mixture thereof.

PREPARATION OF CYCLOALIPHATIC OR HETEROCYCLOALIPHATIC COMPOUNDS BY HYDROGENATION OF AROMATIC OR HETEROAROMATIC COMPOUNDS USING HYDROGEN WITH LOW DEUTERIUM CONTENT

Resumen de: EP4549419A1

A process for the preparation of a cycloaliphatic or heterocycloaliphatic compound containing at least one aromatic or heteroaromatic ring comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) hydrogenating an aromatic or heteroaromatic compound using the hydrogen provided in step (a) to form the corresponding cycloaliphatic or heterocycloaliphatic compound wherein the at least one aromatic or heteroaromatic ring is partially or fully hydrogenated.

HYDROGENATION OF CARBONYL COMPOUNDS USING HYDROGEN WITH LOW DEUTERIUM CONTENT

Resumen de: EP4549622A1

A process for the hydrogenation of carbonyl compounds consisting of the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) hydrogenating a carbonyl compound using the hydrogen provided in step (a) to form the corresponding hydrogenation product, wherein at least one carbonyl group of the carbonyl compound is hydrogenated.

ELECTROLYTIC CELL OPERATION TEMPERATURE CONTROL METHOD AND SYSTEM BASED ON HEAT BALANCE CALCULATION

Resumen de: EP4549630A1

The embodiments of the present disclosure disclose an electrolytic cell operation temperature control method and system based on heat balance. The method comprises: acquiring an actual cell front temperature of an electrolytic cell that is collected by a temperature collection device; if the actual cell front temperature deviates from a preset cell front temperature, controlling a refrigerant flow controller to control an inlet temperature of an electrolyte, wherein the preset cell front temperature is determined based on a preset cell end temperature, a correction coefficient, net heat power of the electrolytic cell, a volume flowrate of the electrolyte, a density of the electrolyte and a specific heat capacity of the electrolyte; within a current iteration period, determining an opening degree of the refrigerant flow controller based on the actual cell front temperature and the preset cell front temperature; and at the beginning of a subsequent iteration period, determining a set cell front temperature after iteration based on the preset cell end temperature, the correction coefficient, size information of the electrolytic cell, an actually measured voltage, an actually measured current, an actually measured surface temperature of the electrolytic cell, an actually measured ambient temperature, the volume flowrate of the electrolyte, the density of the electrolyte and the specific heat capacity of the electrolyte.

SYSTEM AND METHOD FOR ALTERNATELY PERFORMING UREA ELECTROLYSIS-BASED HYDROGEN PRODUCTION AND CARBON REDUCTION, AND APPLICATION SYSTEM

Resumen de: EP4549624A1

Disclosed is a system and method for alternately performing urea electrolysis-based hydrogen production and carbon reduction, and an application system. The system for alternately performing urea electrolysis-based hydrogen production and carbon reduction includes a housing, a first electrode chamber, a second electrode chamber and a third electrode chamber. A first electrode, a first separator, a second electrode, a second separator and a third electrode are sequentially arranged in the housing. The first electrode chamber is a closed cavity formed by the first electrode, the first separator and the inner wall of the housing, and is used for producing a hydrogen evolution reaction. The third electrode chamber and the second electrode chamber can alternately produce the oxidation reaction of urea and the reduction reaction of carbon dioxide.

METHOD FOR CONVERTING CARBON DIOXIDE INTO SNG OR LNG AND STORING HYDROGEN

Resumen de: AU2023296834A1

The present invention describes a method for storing electricity and producing liquefied natural gas (LNG) or synthetic natural gas referred to as substitute natural gas (SNG) and using carbon dioxide and producing electricity, natural gas (NG) or synthetic natural gas (SNG).

METHOD FOR CONVERSION OF CARBON DIOXIDE WITH PRODUCTION OF HYDROGEN AND/OR METHANE

Resumen de: WO2024003510A1

Method for upgrading carbon dioxide comprising: (a) a step of providing a gaseous effluent to be upgraded containing a volume ratio of carbon dioxide of at least 0.5; (b) a step of electrolysis of the gaseous effluent to be upgraded producing a first effluent containing carbon monoxide, during which at least one portion of the carbon dioxide contained in the gaseous effluent to be upgraded is converted to carbon monoxide by electrolysis; (c) at least one step of converting the carbon monoxide from the first effluent, which step is catalyzed by a plasma generated by a dielectric barrier discharge process coupled to a catalyst, said step (c) producing a value-added effluent, during which at least one portion of the carbon monoxide contained in the first effluent is converted to at least one product chosen from methane and/or dihydrogen.

CATALYST ELECTRODE, METHOD FOR MANUFACTURING CATALYST ELECTRODE AND MEMBRANE ELECTRODE ASSEMBLY

Resumen de: EP4550482A1

A catalyst electrode according to an embodiment of the present disclosure comprises a metal layer; and a catalyst layer formed on the metal layer, wherein the catalyst layer comprises silver and iridium.

CONTROL DEVICE FOR HYDROGEN PRODUCTION FACILITY, HYDROGEN PRODUCTION FACILITY, METHOD FOR CONTROLLING HYDROGEN PRODUCTION FACILITY, AND CONTROL PROGRAM FOR HYDROGEN PRODUCTION FACILITY

Resumen de: EP4549628A1

This control device is for a hydrogen production facility and comprises: a plurality of electrolysis cells for electrolyzing water or steam; and a plurality of rectifiers for supplying DC power to each of the plurality of electrolysis cells. The control device is provided with: a degradation coefficient acquisition unit configured to acquire a plurality of degradation coefficients indicating the degrees of deterioration of the respective electrolysis cells, an individual necessary current calculation unit configured to calculate, on the basis of a total necessary current corresponding to a hydrogen generation volume required for the hydrogen production facility and the plurality of degradation coefficients, a plurality of individual necessary currents indicating necessary currents required for the electrolysis cells; and a control unit configured to control the respective rectifiers on the basis of the plurality of individual necessary currents. The degradation coefficient acquisition unit is configured to acquire, for the respective electrolysis cells, the degradation coefficients on the basis of a first correlation indicating the correlation between applied voltages to the respective electrolysis cells and currents flowing through circuits including the electrolysis cells at a beginning of life of the electrolysis cells, and a second correlation indicating the correlation at an end of life of the electrolysis cells.

APPARATUS AND PROCESS FOR AMMONIA CRACKING CATALYST ACTIVATION

Resumen de: EP4549009A1

An apparatus and process for the activation of catalyst material utilized in ammonia cracking can include an initial use of hydrogen and heat to perform an initial stage of catalyst activation and a subsequent use of ammonia and heat to perform a subsequent state of catalyst activation. The subsequent use of ammonia can be configured so that different catalytic material at different plant elements are activated in a pre-selected sequence to provide activation of the catalytic material utilized in different plant elements. Some embodiments can be configured to avoid excess temperatures that can be detrimental to equipment that can be positioned upstream of a furnace in some embodiments while also avoiding sintering of the catalytic material.

PREPARATION OF SATURATED OR ETHYLENICALLY UNSATURATED (CYCLO)ALIPHATIC COMPOUNDS BY HYDROGENATION OF ETHYLENICALLY OR ACETYLENICALLY UNSATURATED (CYCLO)ALIPHATIC COMPOUNDS USING HYDROGEN WITH LOW DEUTERIUM CONTENT

Resumen de: EP4549617A1

A process for the preparation of a saturated or ethylenically unsaturated aliphatic or cycloaliphatic compound comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) at least partially hydrogenating an ethylenically unsaturated compound to form the corresponding saturated compound, or at least partially hydrogenating an acetylenically unsaturated compound to form the corresponding saturated or ethylenically unsaturated compound

PROCESS FOR MAKING AMINES FROM NITRILE COMPOUNDS USING HYDROGEN HAVING LOW DEUTERIUM CONTENT PRODUCED WITH NON-FOSSIL ENERGY

Resumen de: EP4549618A1

A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, preferably in the range of from 10 to 95 ppm, more preferably in the range of from 15 to 90 ppm, most preferably in the range of from 20 to 80 ppm, especially in the range of from 30 to 75 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with nitrogen to form ammonia,(c) reacting the ammonia from step (b) with a nitrile compound or hydrogen cyanide (I)        R-CN     (I)in the presence of hydrogen from step (a) to form the corresponding amine (II)        RCH2-NH2     (II).

PROCESS FOR MAKING AMINES FROM CARBONYL COMPOUNDS USING HYDROGEN HAVING LOW DEUTERIUM CONTENT PRODUCED WITH NON-FOSSIL ENERGY

Resumen de: EP4549616A1

A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with nitrogen to form ammonia,(c) reacting the ammonia from step (b) with a carbonyl compound (I)        R1R2C=O     (I)in the presence of hydrogen from step (a) to form the corresponding amine (II)        R1R2HC-NH2     (II).

PROCESS FOR MAKING AMINES FROM ALCOHOLS USING HYDROGEN HAVING LOW DEUTERIUM CONTENT PRODUCED WITH NON-FOSSIL ENERGY

Resumen de: EP4549621A1

A process for the preparation of amines comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) reacting the hydrogen from step (a) with nitrogen to form ammonia,(c) reacting the ammonia from step (b) with an alcohol R-OH in the presence of hydrogen from step (a) to form the corresponding primary, secondary and/or tertiary amines R-NH2, R2NH and/or R3N.

PREPARATION OF AMINES BY HYDROGENATION OF NITRO COMPOUNDS USING HYDROGEN WITH LOW DEUTERIUM CONTENT

Resumen de: EP4549619A1

A process for the preparation of an amine compound comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) at least partially hydrogenating a nitro compound to form the corresponding amine compound.

HYDROGENATION OF CARBOHYDRATES AND FURFURAL USING HYDROGEN WITH LOW DEUTERIUM CONTENT

Resumen de: EP4549433A1

A process for the preparation of a hydrogenation product of a carbohydrate or furfural comprising the following steps:(a) providing hydrogen with a molar share of deuterium ≤ 100 ppm, based on the total hydrogen content, by electrolysis of water using electrical power generated at least in part from non-fossil energy,(b) at least partially hydrogenating a carbohydrate or furfural to form the corresponding hydrogenation product of the carbohydrate or furfural.

탄화규소 전극을 갖는 광전 셀 및 그의 제조 방법

Resumen de: AU2023331556A1

The invention relates to a photoelectric cell with a silicon carbide electrode (4) for photocatalytic production of hydrogen and to a production method for same. The cell has, on one side of the silicon carbide electrode (4), a window (2) for letting in light (5) and, on the other side of the silicon carbide electrode (4), an aqueous electrolyte (10) and a counter electrode (6). The cell is electrolyte-free on the side of the silicon carbide electrode (4) facing the window. The silicon carbide electrode (4) is preferably produced by coating a substrate (3) with silicon carbide (4).

AMMONIA DECOMPOSITION AND HYDROGEN PRODUCTION SYSTEM OF WASTEWATER USING ELECTROLYTIC CELL SEPARATED BY ION EXCHANGE MEMBRANE

Resumen de: KR20250060349A

본 발명에 따른 이온교환막으로 분리된 전해셀을 이용한 하폐수의 암모니아 분해 및 수소생산 시스템은 외부로부터 공급되는 하폐수로부터 암모늄 이온을 흡착하는 이온교환수지가 내부에 충전되고 탈착액의 공급을 통해 상기 하폐수로부터 암모니아를 포함하는 재생액을 생성하는 이온교환수지 충전탑; 및 상기 이온교환수지 충전탑에 연결되고 상기 이온교환수지 충전탑에 의해 생성된 재생액을 전기분해하여 암모니아를 제거하고 탈착액을 재생산하여 상기 이온교환수지 충전탑으로 제공하는 전기분해장치를 포함하고, 상기 전기분해장치는 암모니아의 산화반응이 일어나는 제 1 전해셀; 수소의 환원반응이 일어나는 제 2 전해셀; 및 상기 제 1 및 제 2 전해셀 사이에 설치되어 상기 수소가 수집되도록 하는 이온교환막을 포함한다. 상기의 이온교환막으로 분리된 전해셀을 이용한 하폐수의 암모니아 분해 및 수소생산 시스템은 하폐수의 암모니아 처리를 위한 생물학적 공정의 소비전력이 크게 절감됨에 따라 탄소배출 저감 및 탄소중립에 기여할 수 있고 처리가 어려운 고농도 암모니아 함유 폐수의 처리가 가능할 뿐만 아니라 하폐수 중 암모니아로부터 유가자원인 수소까지 효율적으로 회수될 수 있도록 한다.

- MOF Metal-organic frameworkMOF-based water electrolysis catalyst manufacturing method and water electrolysis catalyst manufactured thereby

Resumen de: KR20250060808A

금속-유기 골격체(MOF) 기반 수전해 촉매 제조방법으로, 니켈 폼 상에 금속-유기 골격체(Co-MOF/NF)를 제조하는 단계; 상기 제조된 금속-유기 골격체(Co-MOF/NF)에 붕소를 도핑하는 단계; 및 상기 붕소가 도핑된 금속(코발트)-유기(메틸이미다졸) 골격체에 불활성 가스(Ar) 분위기에서 수소의 함량을 조절하면서 증착공정을 진행하는 단계를 포함하는 금속-유기 골격체(MOF) 기반 수전해 촉매 제조방법이 제공된다.

MEMBRANE

Resumen de: CN119317736A

An electrolyte membrane including a composite catalyst layer is provided. The membrane has a thickness of less than or equal to 100 mu m and is a single adhesive polymer membrane comprising a plurality of ion conducting polymer layers. The composite catalyst layer comprises particles of an unsupported composite catalyst dispersed in an ion conducting polymer, and the layer has a thickness in the range of from 5 mu m to 30 mu m and including 5 mu m and 30 mu m. Also provided are a catalyst coated film (CCM) incorporating the electrolyte membrane, and a method of manufacturing the electrolyte membrane.

钽氮化物材料的制造方法和钽氮化物材料

Resumen de: WO2024070179A1

A method for producing a tantalum nitride material that includes a nitriding step that heats a precursor containing a lithium tantalum composite oxide in the presence of a nitrogen compound.

一种泡沫镍负载镍钼基异质结构光热催化剂的制备方法及其应用

Resumen de: CN119932625A

本发明公开了一种泡沫镍负载镍钼基异质结构光热催化剂的制备方法及其应用。其中，所述制备方法包括如下步骤：将泡沫镍浸入含有镍源和钼源的前驱体溶液进行水热反应，在泡沫镍上生长NiMo基纳米材料；以生长NiMo基纳米材料后的泡沫镍作为工作电极，在含有镍源和铜源的电解液中进行电沉积，以在NiMo基纳米材料上生长NiCu合金纳米材料；其中，NiMo基纳米材料与NiCu合金纳米材料之间形成异质界面结构，通过诱导异质界面结构两相之间的电子转移，从而调控了催化剂的电子结构，使得催化剂对电解水析氢反应具有极高的电催化活性及稳定性。同时，该催化剂可使用于电解槽‑TE装置(光热辅助电解水装置)中，能有效降低整体水分解槽电压。

一种镍基底负载镍钼钴合金的阴极材料及其制备方法和应用

Resumen de: CN119932614A

本发明属于电解水制氢技术领域，提供了一种镍基底负载镍钼钴合金的阴极材料及其制备方法和应用。本发明的制备方法包含：将镍源、钼源、钴源、导电盐、络合剂、表面活性剂和水混合得到电镀溶液；以镍基底为阴极，钛片为阳极，在电镀溶液中进行电沉积反应得到镍钼钴自支撑阴极材料；将镍钼钴自支撑阴极材料顺次进行退火、电流激发。本发明采用过渡金属制备阴极材料，避免了铂等贵金属的使用，降低了生产成本；通过电沉积形成多孔结构，为阴极材料提供更多的活性位点；本发明的镍基底负载镍钼钴合金的阴极材料中，Ni、Co、Mo之间存在协同电子效应，在酸性条件下也表现出对电解水制氢具有高的催化活性，同时具有高的稳定性和法拉第效率。

一种高性能自优化不锈钢析氧电极及应用

Nº publicación: CN119932604A 06/05/2025

Solicitante:

重庆大学

Resumen de: CN119932604A

本发明公开了一种高性能自优化不锈钢析氧电极及应用，所述电极通过酸蚀、退火和电化学氧化处理后得到。本发明所述不锈钢是一种自优化电极，通过提升电化学活性面积与导电性、优化OER反应机制以及简化生产工艺，实现了不锈钢电极性能上的显著提升，并为实际工业化应用奠定了坚实的基础。