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1127
results.
Updated on
22/08/2026 [07:04:00]
Results 775 to 800 of 1127
Absstract of: EP4768633A1
0001 The present invention discloses a composite diaphragm for a water electrolyzer, the composite diaphragm invention includes a nonwoven fabric and a polymer resin, the polymer resin is present on one surface or both surfaces of the nonwoven fabric, and the structure of the nonwoven fabric is penetrated by a part or all of the polymer resin, and the nonwoven fabric has a weight ratio of 20 to 95% in the composite diaphragm, a thickness of 0.20 to 2.00 mm, a basis weight of 100 to 400 g/m<2>, and a density of 0.20 to 0.50 g/cm<3>. The composite diaphragm for a water electrolyzer according to the present invention has features of being high in airtightness, low in electrical resistance, and high in durability in use in an alkaline solution environment.
Absstract of: EP4768632A1
0001 An electrode that exhibits higher oxygen evolution electrode catalytic activity than existing electrodes that use manganese-based oxide as the oxygen evolution electrocatalyst is provided.
Absstract of: WO2025040911A1
The disclosure provides an ion-conducting membrane, the ion-conducting membrane comprising a sulphonated hydrocarbon ionomer, wherein the ion-conducting membrane has a Lambda value of less than about 60.
Absstract of: WO2025040912A1
The disclosure provides a process of preparing an ion-conducting membrane comprising a sulphonated hydrocarbon ionomer having an ion-exchange capacity I2 meq/g, the process comprising the steps of: a) providing a sulphonated hydrocarbon ionomer having an ion- exchange capacity I1 meq/g; b) casting an ion-conducting membrane from a mixture of the sulphonated hydrocarbon ionomer provided in step a) and a solvent; c) applying a treatment to the ion-conducting membrane prepared in step b) which reduces the ion-exchange capacity from I1 meq/g to an ion-exchange capacity I2 meq/g, wherein I2 is less than I1.
Absstract of: WO2025045641A1
The present invention refers to an electrolyser (1) for the production of hydrogen from an alkaline electrolyte. The electrolyser (1) comprises a first header (2) and a second header (3) between which a plurality of elementary cells (4) and a plurality of bipolar plates (5) are stacked. Each bipolar plate (5) separates two adjacent elementary cells. The electrolyser (1) further comprises a plurality of clamping elements (20) that mechanically connect said headers (2, 3). Each of the elementary cells (4) comprises a frame (6) defining a chamber (6A), having an anodic section and a cathodic section, in which an anodic electrode (7) and a cathodic electrode (8) are at least in part housed. Each of the elementary cells (4) further comprise a separator element (10) that separates the anodic section from the cathodic section. According to the invention, each of the frames (6) comprises first through holes (61) and each of the bipolar plates (5) comprises second through holes (51), wherein each of said first through holes (61) of one frame (6) is mutually aligned with a corresponding first through holes (61) of each of the another frames (6) and with one of said second through holes (51) of each bipolar plate (5), wherein each one of said clamping means (20) extends through said through holes (51, 61) mutually aligned.
Absstract of: WO2025093132A1
The invention relates to an electrochemical cell assembly (10), comprising a base plate, an end plate (26), a stack (12) comprising a plurality of cell units (14) stacked upon one another, said stack (12) being arranged between said base plate and said end plate, and an electrically conductive power transmission device (38) comprising a connector (40) that is located on a side of the end plate that is facing away from the stack, the power transmission device spanning the end plate and being electrically connected to the stack, wherein the power transmission device is attached to the end plate by a fastening device (42) at a portion of the power transmission device that is located between an electrical connection to the stack and the connector.
Absstract of: WO2025093133A1
The invention relates to an electrochemical cell assembly, comprising a stack of cell units, wherein each cell unit has a periphery and a central portion surrounded by the periphery, the periphery has a first flange portion (90-1) and an opposite second flange portion (90-2), the flange portions of adjacent cell units overlie one another and are separated by a gap (88-1, 88-2), wherein between two adjacent cell units, there is provided a fluid flow path comprising an inner flow path between the central portions of adjacent cell units and an outer flow through said gaps, and a flow restriction device (112) comprising at least one flow restriction member (114-1, 114-2), said flow restriction device being configured to reduce or prevent fluid flow along the outer flow path.
Absstract of: CN118345410A
The invention discloses a titanium alloy bipolar plate with high erosion potential and low resistivity and a preparation method thereof, the titanium alloy bipolar plate comprises the following components in percentage by mass: 3.0%-5.0% of Mo, 0.1%-0.3% of Ni, 0.005%-0.05% of Ru and the balance of Ti, and the total content of impurity elements (Fe, O, C, N and H) does not exceed 0.01%; according to the titanium alloy bipolar plate disclosed by the invention, on the basis of meeting the conductivity requirement, the pitting potential of the titanium alloy bipolar plate can be improved, so that the problems of relatively poor corrosion resistance and low hydrogen production efficiency caused by relatively low pitting potential of the titanium alloy bipolar plate in a service environment of a water electrolysis hydrogen production electrolytic bath are fundamentally solved.
Absstract of: EP4529979A1
0001 Disclosed is a process for producing thermal energy and base chemicals and a reactor used for this process. The reactor contains a reaction space for oxidizing metal fuel with water and optionally other oxidants. The reaction space is connected at its outlet with a separation device for solids contained in the product gas leaving the reaction space. In the reaction space a first flame is generated which triggers the reaction of metallic fuel with oxidant to generate a second flame within the reaction space. The first flame is generated by using a fuel mixture which is introduced into the reaction space via one or more feed lines. At the end of this feed line(s) an ignition device acts on the fuel to ignite the first flame which in turn triggers the formation of the second flame. The thermal energy generated by the oxidation reaction is recovered by using one or more heat exchangers which may be placed at different lociations of the reactor. 0002 With the reactor and the process of this invention hydrogen and/or cabon monoxide is generated from metal fuel and water or CO<2>. When using water and carbon dioxide as oxidant a mixture of hydrogen and carbon monoxide is produced. These products can be used as base chemicals in various processes.
Absstract of: KR20260102656A
촉매; 하나 이상의 히드록시기를 포함하는 제1 반복 단위와 하나 이상의 카복실기를 포함하는 제2 반복 단위를 포함하는 고분자; 및 상기 제1 반복 단위의 히드록시기 및 상기 제2 반복 단위의 카복실기와 결합된 금속계 물질;을 포함하는 수전해셀용 전극, 이를 포함하는 수전해셀용 막-전극 어셈블리, 이의 제조방법, 및 수전해셀을 제공한다.
Absstract of: KR20260102385A
0001a 본 발명은 산화제를 암모니아 분해 반응이 진행되는 개질반응기 내부로 직접 공급하는 제1단계, 상기 개질반응기 내부의 촉매가 충전된 동일한 반응 영역에서, 암모니아 분해에 의한 흡열반응과 수소 및 암모니아의 산화에 의한 발열반응을 동시에 진행시키는 제2단계, 상기 발열반응에 의해 발생한 열량으로 상기 흡열반응에 소요되는 열량의 전부 또는 일부를 상쇄함으로써 정상운전 상태에서 개질반응기 외부로부터의 열공급 없이 수소 및 질소를 포함하는 생성가스를 생성하는 제3단계 및 상기 생성가스로부터 수소를 분리 및 정제하는 제4단계를 포함하는 무탄소 수소생산방법을 제공한다.
Absstract of: WO2025098597A1
The invention relates to an electrochemical cell assembly (10), comprising a first end plate (12), a second end plate and a stack (16) of cell units (18), wherein each cell unit defines an external perimeter, a housing (42) surrounding the stack to define or enclose a fluid volume (48), at least one electrically insulating member (98) being located between the housing and the external perimeters of the cell units and a positioning device (100) for the at least one electrically insulating member, comprising at least one positioning member (106) protruding from either the housing or one of the end plates into the fluid volume, wherein the at least one positioning member has a positioning surface interacting with the electrically insulating member for positioning the electrically insulating member relative to the housing and/or the end plates. The invention also relates to methods of manufacturing an electrochemical cell assembly.
Absstract of: EP4768115A2
Die Erfindung betrifft ein Verfahren und eine Anlage zur Gewinnung und Nutzung von Wasserstoff, insbesondere zur Nutzung von Wasserstoff im Bereich der Galvanik. Es wird eine klimapositive Galvanik mit dem Ziel vorgestellt, den CO2-Fuß-abdruck eines Galvanikprozesses durch die Nutzung einer innovativen Kombination aus vorhandenen Verfahren und der Nutzung des bisher ungenutzten Gasgemisches (verunreinigtes H2) zu reduzieren.
Absstract of: WO2025059026A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Absstract of: EP4768557A1
0001 The present disclosure relates to an integrated plant for production of renewable hydrogen and biomethane, comprising a biomass gasification unit configured to convert organic feedstock into product gas; a methanation unit coupled to the biomass gasification unit to process product gas and produce biomethane; an electrolysis unit configured to produce renewable hydrogen from water using renewable energy sources with more energy efficiency conversion; a gas storage unit for the safe storage of biomethane and renewable hydrogen; and a control unit for optimizing energy usage, gas flow, and overall process efficiency, increasing the energy efficiency of gasification, by low and medium enthalpy energy recovery for pre-treatment biomass, wherein the biomethane and renewable hydrogen are combined in a fuel cell conversion unit to generate clean water as a by-product. The oxygen produced by electrolysis is supplied to the gasification unit, the thermal energy recovered from the internal process units is used to preheat the electrolysis feed water, and the water produced by the fuel cell conversion is recovered and reused for electrolysis, thus forming closed internal cycles of mass and energy flows. The integrated facility offers an efficient and flexible solution for the production and use of renewable hydrogen and biomethane.
Absstract of: KR20260102174A
0001a 본 발명은 수소 생산 시스템의 스팀-가스 열교환기로 유입되는 작동유체, 질소, 증기, 및 공기 라인 중 어느 한 개 이상에 구비된 가열 또는 단열을 위한 히터와 수소 생산 시스템의 SOEC 및 SOFC의 고온 작동을 위한 열원, 수소 생산 시스템에 구비된 안전 밸브 및 히터, 열원 및 안전 밸브로 긴급 전원이 공급될 수 있는 비상발전기를 포함하는 작동유체 가열에 의한 수소 생산 시스템에서의 비상 운전 제어 장치 및 방법에 관한 것이다.
Absstract of: KR20260102208A
0001a 본 발명의 수전해 전력 변환 장치는, 계통 연결단으로 인가되는 AC 전력을 DC 전력으로 변환하여 DC 링크단으로 출력하는 정류기 회로; 상기 DC 링크단의 DC 전력을 수전해를 위한 DC 전력으로 변환하여 수전해단으로 출력하는 DC-DC 컨버터 회로; 및 상기 정류기 회로에 평행하게 상기 계통 연결단에 연결되며, 각 상별로 갖추어진 전력 변환용 스위치쌍들과, 상기 전력 변환용 스위치쌍들의 출력단에 연결된 말단 커패시터를 구비하는 액티브 파워 필터 회로를 포함할 수 있다.
Absstract of: KR20260101746A
0001a 본 발명은 NiO 및 YSZ로 이루어진 고체 산화물 셀용 전극지지체로서, 두께 방향에 있어서 중앙부의 YSZ 함량이 외곽부의 YSZ 함량보다 높은 고체산화물 셀용 전극지지체에 관한 것이다.
Absstract of: EP4768634A1
0001 In a water electrolysis system that changes a power consumption by detecting a grid frequency in order to rapidly change the power consumption, deterioration and breakdown of the electrolyzer are suppressed by calculating an appropriate adjustment margin that allows an electrolyzer to instantaneously respond. The water electrolysis system includes: a rectifier that converts an AC power from a power grid to a DC power; an electrolyzer that performs a water electrolysis with the DC power from the rectifier; a gas-liquid separator that separates the oxygen and the hydrogen from a mixed fluid of oxygen and water from the electrolyzer; and a cooling system that supplies water to the electrolyzer. The rectifier is controlled so as to adjust power consumption according to a frequency of the power grid, and the power consumption is adjusted so as to fall within a limit range of the power consumption in the electrolyzer, and the limit range of the power consumption is determined on the basis of a temperature of the electrolyzer, a deterioration rate thereof, a water pressure in an electrolyzer outlet, and a flow rate of supply water.
Absstract of: CN122315738A
The invention relates to the technical field of hydrogen production control, in particular to a wind power climbing layering-based hydrogen production unit load shedding method, which comprises the following steps of: segmenting climbing segments through a continuous descending interval, a slope turning position and a rising alternating position, and dividing climbing levels according to a descending form, single-point power judgment in the wind power downlink process is converted into fragmented identification; performing form matching with a historical termination segment under the same climbing level, determining a residual life label, and obtaining a judgment basis of a subsequent descending period of climbing; a candidate load shedding unit group is screened in combination with the load shedding lagging state and the stable load boundary of the hydrogen production unit, and the load shedding advance is distributed, so that load shedding lagging and low load boundary crossing are avoided; and finally, correcting the load shedding advance according to the load shedding feedback state and the direct current bus power deviation to form a load shedding sequence capable of being adjusted in a closed-loop manner. Therefore, the load switching advancement, the power balance stability and the operation safety of the hydrogen production unit of the wind power hydrogen production system are improved.
Absstract of: CN122301281A
本发明公开了一种电解水制氢阳极材料及其制备方法与应用，属于电解水制氢技术领域。该制备方法包括以下步骤：采用三电极体系，以NiFe层状双氢氧化物作为工作电极，以Pt作为对电极，以Hg/HgO作为参比电极，以钼酸铵溶液作为电解液，对工作电极施加恒定的负电位，进行电化学Mo掺杂，得到电解水制氢阳极材料。本发明的电解水制氢阳极材料的催化活性明显提高，同时Tafel斜率减小，适用于工业级大电流密度下电解水。
Absstract of: CN122298169A
The embodiment of the invention discloses a gas purification system and an electrolytic hydrogen production system, and relates to the technical field of new energy equipment, the gas purification system comprises a drying device, a gas supply mechanism, an exhaust mechanism and a controller, the drying device comprises a first drying tower, a second drying tower and a third drying tower, and the drying device further comprises a re-drying pipeline, the re-drying pipeline is connected with the air outlet end of the first drying tower and the air outlet end of the second drying tower, and is connected with the air inlet end of the third drying tower; the air supply mechanism comprises an air supply pipeline; the air supply pipeline is connected with the first drying tower, the second drying tower and the third drying tower; the exhaust mechanism comprises an exhaust pipeline; the exhaust pipeline is connected with the first drying tower, the second drying tower and the third drying tower; the controller is electrically connected with the drying device, the air supply mechanism and the exhaust mechanism. According to the technical scheme provided by the embodiment of the invention, the hydrogen purification system can achieve a better purification treatment effect, and the practicability and reliability of the gas purification system are improved.
Absstract of: CN122303920A
0001 一种基于相选择性腐蚀机制的稀土掺杂NiCoMnIn合金析氢电极的制备方法，它属于电解水催化剂技术领域。本发明要解决传统化学腐蚀法活性位点在腐蚀过程中同步损失，无法兼顾造孔和保活需求，且不可精准控制，工艺产生大量含重金属酸性废液的问题。方法：一、制备稀土掺杂NiCoMnIn合金基片；二、预处理；三、电化学腐蚀。本发明用于基于相选择性腐蚀机制的稀土掺杂NiCoMnIn合金析氢电极的制备。
Absstract of: CN122303923A
0001 本发明属于质子交换膜电解水制氢领域，公开了一种PEM电解水制氢阳极浆料、催化剂涂覆膜及其制备方法。将阳极催化剂与超纯水在超声并搅拌的条件下进行预混，然后加入醇类溶剂、离聚物搅拌混合后进行高速剪切分散，之后再进行纳米研磨、脱泡工艺制得阳极浆料。通过调配离聚物与催化剂比例、浆料固含量、浆料配比和分散工艺等方法提高催化层涂布效果。本发明得到了高效分散浆料，其稳定性高、不易沉降、涂层致密均一性高，提高涂布效率及电解水性能。
Nº publicación: CN122303955A 30/06/2026
Applicant:
HANGZHOU GONGSHU BIANYUAN INTELLIGENT INNOVATION RESEARCH INST
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Absstract of: CN122303955A
The invention discloses an on-off modulation method of defect-induced graphene ferroelectric-anti-ferroelectric transformation on hydrogen evolution reaction and application. According to the method, a defect graphene (D-graphene) and g-CN double-layer system containing g-CNvacancy-like holes is constructed, and the layers are coupled by Van der Waals force; the defect graphene double-layer ferroelectric-antiferroelectric reversible phase change is realized through interlayer slippage, and the hydrogen evolution reaction (HER) is accurately regulated and controlled by utilizing polarization intensity and direction change. The defect graphene double layers can form an ON-OFF ferroelectric switch, the ferroelectric hydrogen adsorption Gibbs free energy delta GH * is close to the optimal value, catalysis is in an on state, anti-ferroelectric hydrogen adsorption is too strong, and catalysis is closed. The g-CN double layer can realize ON-OFF-ON three-level regulation and control through ferroelectric-paraelectric-ferroelectric polarization switching, and the ferroelectric polarization state can significantly improve the HER activity. The catalyst does not contain noble metal, is low in interlayer sliding potential barrier, has catalytic performance comparable to that of a platinum-based catalyst, provides a new strategy for design of an efficient intelligent electrocatalyst and a novel catalytic switch device, and has important application value in the field of clean energy.
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