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428
results.
Updated on
09/09/2025 [07:01:00]
Results 200 to 225 of 428
Absstract of: US2025263846A1
To provide a water electrolysis stack capable of suppressing deterioration in sealability. A water electrolysis stack configured by laminating a plurality of water electrolysis cells to generate hydrogen by supplying water to the water electrolysis cell and applying electric power, wherein a laminated member for improving sealing property, which is a member that does not introduce water therein, is laminated at a predetermined position of the water electrolysis cell to be laminated.
Absstract of: CN120505632A
本申请涉及一种使用特斯拉阀流道的无隔膜电解槽，包括有电解槽本体，所述电解槽本体的侧壁开设有进液口，所述电解槽本体的内部相对于所述进液口的位置设置有中间层流道，所述电解槽本体的内部位于所述中间层流道的两侧分别设置有阴极室和阳极室，所述阴极室与所述中间层流道相对连通，所述阳极室与所述中间层流道相对连通，所述中间层流道为单向流道。本申请具有在不使用昂贵且易污染的离子交换膜的前提下，通过合理的电解液流道和电极的设计，利用电解液的流动分隔开阳极和阴极产出的气体，从而避免因阴阳极产气混合而爆炸的风险。
Absstract of: CN120511673A
本发明公开了风光模拟绿电制氢测试平台的控制系统，包括工业网电电源，工业网电电源连接有配电系统，配电系统分别连接有风光模拟电源系统、能源管理系统、模块化整流电源系统和制氢自动控制系统，能源管理系统连接储能系统，模块化整流电源系统连接电解槽组。本发明还公开了风光模拟绿电制氢测试平台的控制方法，包括以下步骤：通过工业网电电源给配电系统、风光模拟电源系统和能源管理系统依次上电，能源管理系统进行能量调度，能源管理系统和制氢自动控制系统给模块化整流电源系统发送电源控制命令，模块化整流电源系统比对控制命令中的给定参数，根据比对结果执行相应电源控制命令。本发明可以形成多种模型的电源输入。
Absstract of: CN120502351A
本发明公开了一种光催化纳米复合材料及其制备方法与应用，属于纳米复合材料技术领域，先合成CuInS2量子点粉末，在CuInS2量子点粉末的表面覆上一层碳，再通过硅烷偶联剂改性引入氨基，然后将改性碳复合CuInS2量子点粉末负载到管状氮化碳粉末上形成的。管状氮化碳粉末的管状结构有利于CuInS2量子点分散在其表面或内部，使CuInS2量子点粉末的活性位点充分暴露，CuInS2量子点粉末的带隙能约为1.53eV，在受到光照射时，会产生电子和空穴对，可以促进光生电子和空穴的分离从而提高催化剂的活性，而碳层致密地包覆在CuInS2量子点粉末上能形成物理屏障，阻止过氧化物与硫离子直接接触。
Absstract of: CN120508033A
本发明公开了千方级碱性水电解制氢系统远程运维平台和运维方法，包括设备层、云平台、平台层和应用层，设备层包括千方级制氢设备，千方级制氢设备中安装有监测设备运行的传感器，以及控制设备运行的PLC控制器，云平台设置有公有云或私有云，平台层设置有私有云服务器或本地服务器，应用层设置有本地显示终端和移动显示终端，云平台和平台层都部署有Web组态软件，设备层、云平台和平台层通过无线物联网络连通，云平台与本地显示终端、移动显示终端也分别通过无线物联网络连通，平台层与本地显示终端通过有线专用网络连通，PLC控制器采集传感器传递的数据信号，传递至云平台和平台层，平台层镜像还原千方级制氢电解水制氢系统的现场。
Absstract of: CN120505640A
本发明公开的具有三角形沟槽流道结构的质子交换膜电解槽，包括自上而下依次设置的阳极极板、阳极气体扩散层、膜电极、阴极气体扩散层与阴极极板，阳极极板与阳极气体扩散层之间设有阳极液体流道，阴极极板与阴极气体扩散层之间设有阴极液体流道。本发明的三角形沟槽流道结构的质子交换膜电解槽，促使反应水沿着竖直方向进入气体扩散层，提高到达催化层发生反应的液态水含量，同时减少气体扩散层中氧气的积累，提高了电解槽的产氢效率。
Absstract of: CN120505647A
本发明属于电解水制氢领域，涉及一种梯度孔结构电极及其制备方法与应用，该制备方法包括如下步骤：1)在电极基底表面依次涂敷不同粒径的聚苯乙烯，然后低温烧结将聚苯乙烯固定在电极基底表面，得到固定有聚苯乙烯分子模板的电极基底；2)采用化学镀法在固定有聚苯乙烯分子模板的电极基底表面上电镀金属镀层，得到含有金属镀层的固定有聚苯乙烯分子模板的电极基底；3)对步骤2)得到的含有金属镀层的固定有聚苯乙烯分子模板的电极基底进行去模板和去金属基底处理，得到梯度孔结构电极。本发明通过梯度孔构建了高效三相反应界面，降低气泡屏蔽效应，降低了过电位和电解水能耗，提高了电解水制氢效率。
Absstract of: US2024044285A1
The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as fuel source for an internal combustion engine. The present invention utilizes an electric catalyst unit operating in series with a plate-type heat exchange catalyst unit. The electric catalyst unit is used to initiate an ammonia cracking process on-board during a cold start or low load operating condition of the internal combustion engine, where the ammonia cracking process occurs in the heat exchange catalyst unit once exhaust gas from the internal combustion engine has been heated to a threshold temperature suitable to perform the ammonia cracking process.
Absstract of: CN120505667A
本发明公开的电解水制氢纯化系统及方法，包括通过氢气管路连接的气水分离器、氢气冷却器、集水器和水封，气水分离器与脱氧器相连，每个氢气冷却器上均连接有一个干燥器；脱氧器、干燥器下部分别接有温度变送器；脱氧器、干燥器内的加热部件上接有温度传感器，通过控制内加热部件温度调节加热器功率，在氢气再生管路和成品氢气管路前装有薄膜调节阀，可根据主氢气流量和系统压力调节再生氢气和系统氢气流量，节省人力的同时也能提高系统运行效率在脱氧器和干燥器接口处分别设置一路安全阀放空管线；当系统出现异常情况时，可通过安全阀管线快速排出容器中的氢气，保证整个纯化系统的安全可靠运行。
Absstract of: CN120505638A
本申请涉及一种海水供水碱性电解水制氢装置，涉及电解制氢的领域，包括有膜电极组件，所述膜电极组件的两侧设置有气体收集腔室，所述气体收集腔室背离所述膜电极组件的一侧设置有进液组件，所述进液组件与所述气体收集腔室之间设置有气化部件，所述气化部件能够将通过其的液体气化进入到所述膜电极组件的内部。本申请具有减少电极的腐蚀，钙镁离子堵塞电极的情况的效果。
Absstract of: CN120505650A
本发明公开了多级环形质子交换膜电解槽双极板流场结构，包括板体，板体的中心位置同心设置有多级环形流道，多级环形流道是以双极板中心点为圆心，相邻环形流道之间均采用通道脊分隔；沿直径方向设置有中央通道，中央通道贯穿所有环形流道并且与每一个环形流道互通，中央通道以一级环形流道圆心沿直径方向呈轴对称分布；中央通道的一端为进水口，中央通道的另一端为出水口；板体的四周边沿间隔开有若干螺栓孔，板体一侧面设有电源接口。本发明属于质子交换膜电解水制氢技术领域，避免在转弯处发生速度和电流密度的突变，能够显著降低流场中的压力分布，减少蠕动本送水做功，提高电解槽性能。
Absstract of: CN120505635A
本发明申请公开了一种PEM电解槽，涉及电解槽技术领域，PEM电解槽，包括端板组件、极板组件和膜电极，其中极板组件、膜电极上设有与端板组件的分流通道分别连通的阳极侧进出水通道、阴极侧进出水通道。本申请的PEM电解槽所包含的部件少，结构简单，加工成本较低，可以保证具备良好的密封性，同时其可以从两侧的端板分别进水，则进水量更大，具备良好的散热性能，能够均匀分配反应物、生产物，提高了电解效率。
Absstract of: WO2024257430A1
The present invention reduces unburned ammonia when ammonia is used as fuel. A combustor (10) comprises: a burner (11) that injects fuel containing ammonia into a combustion space (S); and a refractory material (12) that defines at least a portion of the combustion space (S). The refractory material (12) blocks passage of combustion gas, and the refractory material (12) contains a catalyst (C), which decomposes ammonia into hydrogen and nitrogen, on a surface (1b) that defines at least a portion of the combustion space (S).
Absstract of: CN120504436A
本发明涉及富氢水机技术领域，具体为一种便于更换物理式制氢机滤芯的设备，包括机体底板、腔体、滤芯安装筒、滤芯，所述腔体内部设有五组圆形滑道，后侧中心处具有螺杆，圆形滑道中设有内推板，内推板具有五组伸出臂，每组伸出臂端部都具有伸出圆板，内推板中心具有中心孔，内推板具有五组安装孔一，每组伸出圆板都具有安装孔二，伸出圆板安装在圆形滑道内，安装孔一内分别设有传动齿轮轴，中心孔内设有驱动齿轮轴，传动齿轮轴一端具有齿轮一，另一端具有链轮一，驱动齿轮轴一端具有齿轮二，另一端具有圆形卡板，驱动齿轮轴中心处具有螺纹孔一，螺纹孔一安装在螺杆上；本发明可进行更换滤芯，保证滤芯的顺利脱离与安装。
Absstract of: CN120505653A
本发明公开了利用废金属屑制备铁基电化学催化剂的方法及电化学催化剂，具体过程为：将废金属屑进行酸浸，得到浸出液；用树脂吸附浸出液中的金属离子，得到饱和树脂；用硝酸对饱和树脂进行解吸，得到无杂溶液；在无杂溶液中加入过量的还原剂进行还原，得到固液混合物；将固液混合物进行离心分离，得到沉淀，将沉淀清洗干净、烘干，得到铁基催化剂粉末；将预处理后的泡沫镍在无杂溶液中电镀，得到催化剂基底；将铁基催化剂粉末涂覆至催化剂基底上，真空烘干，得到铁基电化学催化剂。本发明制备方法利用废金属屑作为原料，大大降低了制备成本，同时对废金属屑进行了回收利用且本发明制备得到的电催化剂在析氧反应中表现出优异的催化效果。
Absstract of: US2025257489A1
A water electrolysis system includes: a water electrolysis stack that generates oxygen gas and hydrogen gas by electrolyzing water; a gas-liquid separator that separates the hydrogen gas from water; a hydrogen compression stack that compresses the hydrogen gas; a gas tank that stores an inert gas and is connected to a hydrogen flow path that connects the water electrolysis stack and the hydrogen compression stack; a supply valve that, when opened, supplies the inert gas to the hydrogen flow path; and a supply control unit that opens the supply valve in a case where the concentration of the oxygen gas that has flowed into the hydrogen flow path exceeds an oxygen concentration threshold determined in advance.
Absstract of: US2025257488A1
An electrolysis system includes at least one electrolyzer for generating hydrogen and oxygen as products, and at least two downstream compressors for compressing at least one of the products produced in the electrolyzer. A method of operating the electrolysis system in a part-load operation of the electrolyzer that is optimized in terms of efficiency and is also cost-effective. During the part load operation of the electrolyzer, a first group of compressors is operated in part-load operation, while the compressor(s) of a second group can be switched on or off individually for full-load operation.
Absstract of: KR20250122697A
본 발명에 의한 수소발생 촉매 전극용 백금-탄소나노튜브 복합체는 탄소나노튜브 표면에 백금이 도입되며, 백금 함량이 20 중량% 이하인 것을 특징으로 한다.
Absstract of: US2025257483A1
Clean version of Abstract A catalyst and anode for hydrogen production by electrolysis as well as a preparation method, activation method and use thereof are provided. The anode for hydrogen production by electrolysis includes a catalyst which is nickel iron barium hydrotalcite with a nano hexagonal sheet structure and a thickness of 100-200 nm. The catalyst can be prepared by a one-step solvothermal reaction method. Alkaline-earth metal ions are evenly doped in the nickel iron barium hydrotalcite and are in atomic level dispersion, so that the anode for hydrogen production by electrolysis based on the catalyst, when being applied to a process for hydrogen production by electrolysis of an aqueous solution containing chlorine ions, not only can maintain good catalytic performance, but also has greatly improved chlorine ion corrosion resistance, leading to significant improvement of working stability and service life.
Absstract of: US2025257477A1
A method of electrolysing hydrogen bromide comprising the steps i) synthesizing sulfuric acid such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode.
Absstract of: US2025257476A1
A method can include coupling sulfur dioxide depolarized electrolysis (e.g., electrochemical oxidation of sulfur dioxide to sulfuric acid with electrochemical reduction of water to hydrogen) with the contact process to facilitate formation of high concentration sulfuric acid with concurrent hydrogen production. The sulfuric acid and hydrogen can optionally be used cooperatively for downstream processes (e.g., metal extraction from ore, fertilizer production, hydrocarbon processing, etc.).
Absstract of: US2025257475A1
The invention relates to a method for operating an electrolysis plant which has an electrolyzer for generating hydrogen and oxygen as product gases, wherein water is fed as educt water to the electrolyzer and split into hydrogen and oxygen at an ion-exchange membrane. Prior to splitting, the educt water is brought into a thermodynamic state close to the boiling point of the water in terms of the pressure and temperature and is fed in this state to the membrane. Educt water is brought to a boil at the membrane and converted into the gas phase, wherein the water in the gas phase is split at the membrane. There is also described an electrolysis plant having an electrolyzer for generating hydrogen and oxygen as product gases.
Absstract of: US2025259714A1
A determination method determines whether or not target molecules including elemental hydrogen are electrolytic hydrogen-containing molecules which include: hydrogen molecules produced by water electrolysis; or molecules produced using the hydrogen molecules as a raw material. In the determination method, the method includes determining that the target molecules are the electrolytic hydrogen-containing molecules when an abundance ratio of deuterium to light hydrogen in the target molecules is less than or equal to a predetermined threshold which is smaller than an abundance ratio of deuterium to light hydrogen in nature.
Absstract of: US2025257482A1
Some embodiments relates generally to the production of a desalinated, filtrated or other way treated water simultaneously with generation of renewal energy source, in particular hydrogen, using osmotic and/or gauge pressure driven filtration processes and systems. The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination/filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and/or permeate involved in a desalination/filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi-permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.
Nº publicación: AU2024301470A1 14/08/2025
Applicant:
SIEMENS ENERGY GLOBAL GMBH & CO KG
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Absstract of: AU2024301470A1
The present invention relates to an electrolysis system (100) comprising a renewable power generation plant (1), an electrolysis plant (3), a transformer station (27) and an AC bus bar (5), wherein the renewable power generation plant (1) is connected to the public electricity grid at a point of connection (POC) via the AC bus bar (5) and comprises a power plant controller (7) and a self-controlled converter (9) that is connected to the AC bus bar (5). The electrolysis plant (3) comprises an electrolysis active power controller (11) and a converter arrangement (13) that is connected to the AC bus bar (5), and wherein the electrolysis active power controller (11) is configured for controlling active power (P) of the electrolysis plant (3) at the AC bus bar (5) and the power plant controller (7) is configured for controlling reactive power (Q) at the point of connection (POC).
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