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920
results.
Updated on
10/06/2025 [07:00:00]
Results 125 to 150 of 920
Absstract of: EP4557412A1
A method for generating power or producing hydrogen from a carbon source, the method including a chemical conversion step of making, in a chemical conversion unit, a mixture obtained by mixing a solution containing an intermediate medium with a carbon source to react at a temperature at which chemical exergy of the carbon source exceeds chemical exergy in a reduced state of the intermediate medium to reduce the intermediate medium while oxidizing the carbon source, an electrochemical conversion step of bringing the intermediate medium reduced at the chemical conversion step into contact with an anode of a battery structure in an electrochemical conversion unit including the battery structure, and bringing oxygen or air into contact with a cathode of the battery structure to generate power, or bringing water into contact to produce hydrogen, and a reuse step of returning a solution containing the intermediate medium after the electrochemical conversion step to the mixture, and an energy conversion system.
Absstract of: EP4556596A1
Provided is an operation support apparatus including: a calculation unit which calculates, based on an electricity cost or an amount of power consumption for each of predetermined times associated with operation of a plurality of electrolyzers operating in parallel, an amount of production of a product for each of the times that satisfies a target amount of production of the product, the product being produced by the plurality of electrolyzers over a predetermined period of time; and a specification unit which specifies an electrolyzer to be operated among the plurality of electrolyzers, based on the amount of production calculated by the calculation unit. The calculation unit may calculate the amount of production that satisfies the target amount of production of the product over the period of time and minimizes an electricity cost or an amount of power consumption over the period of time.
Absstract of: EP4556454A1
A methane synthesis system according to the present invention includes: a co-electrolysis part that obtains hydrogen and carbon monoxide by electrolyzing water and carbon dioxide, a methanation reaction part that obtains a product gas containing methane by a methanation reaction that uses the hydrogen and the carbon monoxide, and a cooler having a distribution channel in which a refrigerant capable of phase transition, is distributed. The cooler cools the methanation reaction part using heat of vaporization from vaporizing at least a portion of the refrigerant on an inside of the distribution channel.
Absstract of: EP4556547A1
Process for the production of a fuel. In a conversion step carbon dioxide is reacted with hydrogen to form a liquid carrier. The carbon dioxide is for instance collected with a direct air capture system. The hydrogen can for example be generated using renewable sources. After storage and transport to a site of use, the liquid carrier is mixed with water to form a ready mix. During a break-up step, the liquid carrier is converted to a fuel while the temperature and the pressure of the ready mix are maintained at sub- or supercritical conditions.
Absstract of: WO2024041728A1
A control unit (40) for a Power-to-Hydrogen (PtH) plant (100) is provided. The control unit (40) includes at least one model (41) and is configure to: calculate maximum efficiency point tracking of the PtH plant (100) by solving an objective function having a predetermined hydrogen production rate of the PtH plant or a predetermined amount of energy input to the PtH plant using the at least one model, wherein the control unit receives measured parameters indicative of status of components of the PtH plant as an input to the at least one model; determine one or more set points for a coordinated operation of the components of the PtH plant based on a solution obtained by solving the objective function; and provide the one or more set points to one or more of the components of the PtH plant to operate the PtH at the maximum efficiency point.
Absstract of: EP4556114A1
According to embodiments of the present disclosure, the ammonia oxidation catalyst includes a metal oxide including titanium and chromium, wherein an energy band gap of the metal oxide measured by UV-Vis DRS is less than 1.4 eV. The catalyst system according to embodiments of the present disclosure includes: an ammonia decomposition reactor; and a catalyst unit which is located in a downstream region of the ammonia decomposition reactor, and includes the above-described ammonia oxidation catalyst.
Absstract of: EP4556708A1
A wind power plant (1), comprising:one or more generator devices (7) for generating electrical power (P<sub>G</sub>) from wind power,a plurality of hydrogen production units (15) for producing hydrogen from the generated electrical power (P<sub>B</sub>),a plurality of DC-DC converters (16) each being electrically connected with the one or more generator devices (7) and with a respective one of the plurality of hydrogen production units (15), and each DC-DC converter (16) being configured for supplying power (P<sub>a</sub>) with a tunable output voltage (U<sub>a</sub>) to the respective hydrogen production unit (15), anda control device (28) for controlling the power (P<sub>a</sub>) supplied by each DC-DC converter (16) to the respective hydrogen production unit (15) based on a current power output (P<sub>G</sub>) of the one or more generator devices (7).With the proposed wind turbine plant the supply of power to the plurality of hydrogen production units can be improved.
Absstract of: EP4556456A1
The present invention relates to a process for making ethylene glycols, selected from mono ethylene glycol, oligo ethylene glycols, poly ethylene glycols, and mixtures thereof, and alkanol ethoxylates, based on non-fossil energy, ethylene glycols, selected from mono ethylene glycol, oligo ethylene glycols, poly ethylene glycols, and mixtures thereof, and alkanol ethoxylates, having a low molar share of deuterium, the use of the molar share of deuterium in hydrogen and downstream compounds based on hydrogen for tracing the origin, especially the energetic origin, of the hydrogen and downstream compounds based on hydrogen, wherein the compounds are ethylene glycols, selected from mono ethylene glycol, oligo ethylene glycols, poly ethylene glycols, and mixtures thereof, and alkanol ethoxylates, a process for tracing the origin, especially the energetic origin, of hydrogen and downstream compounds based on hydrogen by determining the molar share of deuterium in hydrogen and said downstream compounds based on hydrogen, wherein the compounds are ethylene glycols, selected from mono ethylene glycol, oligo ethylene glycols, poly ethylene glycols, and mixtures thereof, and alkanol ethoxylates, coolants, comprising such mono ethylene glycol, brake fluids comprising such oligo ethylene glycols and/or such alkanol ethoxylates, cosmetics, shampoos, or nonionic or ionic detergents comprising such poly ethylene glycols and/or such alkanol ethoxylates, poly ethylene terephthalate, comprising
Absstract of: CN119546546A
The invention relates to a method for producing hydrogen by photodissociation of water, comprising at least one step of contacting an aqueous solution with oxidized nanodiamonds under solar, natural or artificial illumination (or light).
Absstract of: WO2024013139A1
The invention relates to a facility comprising: - a series of n electrolysers (4) designed to electrolyse water (1) and produce a hydrogen-aqueous solution mixture (5), the series having an overall capacity greater than 40 MW; - a gas-liquid separation device (8) configured to remove the aqueous solution contained in the mixture (5) produced by the series of n electrolysers (4) and produce a hydrogen stream (9). The gas-liquid separation device (8) comprises two flow conveying lines (21, 22) arranged one above the other; either or both of the two conveying lines being supplied with the mixture (5) and the two conveying lines being in fluid communication with one another via one or more segments (23) so that the hydrogen passes from the lower line (22) to the upper line (21) and/or the aqueous solution passes from the upper line to the (21) lower line (22).
Absstract of: CN119497764A
The present invention relates to a method for operating a high temperature solid oxide electrolysis system suitable for converting a fuel stream into a product stream and a system for implementing the method. The method includes drying the moist purge gas and using the waste purge gas as a regeneration gas in the drying unit.
Absstract of: EP4556594A1
The invention describes a wind-powered electrolysis arrangement (1) comprising a plurality of wind turbines (100) of an offshore wind park (10); a distributed electrolyser plant (11) comprising a plurality of electrolysers (110), wherein each electrolyser (110) is arranged on a wind turbine platform (100P); a balance of plant (11BoP) of the distributed electrolyser plant (11), installed on a main platform (10P) in the wind park (10); and a plurality of product pipelines (12), wherein each product pipeline (12) is arranged to convey a number of products (20, 21, 22, 23, 24, 25) between the balance of plant (11BoP) and a distributed electrolyser (110). The invention further describes a method of operating such a wind-powered electrolysis arrangement (1) .
Absstract of: CN120020278A
本申请公开了一种PEM电解槽测试系统及方法，应用于水电解制氢技术领域，PEM电解槽测试系统包括：储水排气单元的出水口与PEM电解槽的去离子水进口连接，储水排气单元的进气口与PEM电解槽的氧气出口连接；水供应测试单元设置于储水排气单元底部；气体含水测试单元的进气口与储水排气单元的排气口连接；氢气产出测试单元的进气口与PEM电解槽的氢气出口连接；测试数据记录单元分别与水供应测试单元、气体含水测试单元和氢气产出测试单元连接。这样可以实现对PEM电解槽的运行时间和工作电流、去离子水供应量、去离子水剩余量、混合气体中的水含量和氢气含量的测量与记录，从而可以实现阳极渗水量和阴极渗氢量的精准测量。
Absstract of: CN119213172A
The invention relates to a solid oxide electrolysis unit for industrial hydrogen, carbon monoxide or synthesis gas production, comprising at least two solid oxide electrolysis cores, an electrical supply for managing electrical power to the solid oxide electrolysis cores, and a conduit connected to the solid oxide electrolysis cores, and each solid oxide electrolysis core comprises a plurality of solid oxide electrolysis stacks of solid oxide electrolysis cells. According to the invention, the solid oxide electrolysis unit comprises a power supply module comprising a transformer and at least one power supply unit, and a pipe module comprising pipe headers and fluid connections to and from the solid oxide electrolysis core, wherein the power supply module and the pipe module are arranged adjacent to each other, and the solid oxide electrolysis core is arranged above the power supply module and/or the pipe module.
Absstract of: TW202403105A
An electrolyzer system comprising an electrochemical cell and an electrolyzer fluidic member utilized to supply a fluid to the electrochemical cell is provided. The electrolyzer fluidic member comprises a polymer composition that includes a polyarylene sulfide.
Absstract of: MX2024012569A
Two phased production of hydrogen involving an electrolytic cell containing first and second electrodes and a solution comprising a metal salt. The first and second electrodes are connected to an external electric energy source during a charging phase, which deposits the metal of the metal salt on the first electrode and evolves oxygen on the second electrode. Once the charging phase has been completed the first and second electrodes are disconnected from the external electric energy source with the cell containing the deposited metal kept in a standby condition until hydrogen production is required. During a discharging phase, the first and second electrodes are short circuited, whereby the metal is dissolved from the first electrode and hydrogen is evolved from the second electrode without any appreciable simultaneous withdrawal of electrical energy. The production of hydrogen is thereby increased accordingly. Variations of the above are also provided.
Absstract of: CN119317735A
The invention relates to a device (1) for supplying hydrogen (H2) by means of an electrolysis unit (2), which enables the service life of the electrolysis unit (2) to be as long as possible even in the event of fluctuations in the energy supply of the electrolysis unit (2), a reciprocating piston compressor (3) is provided for compressing hydrogen (H2) generated by the electrolysis unit (2), the reciprocating piston compressor (3) has at least one automatic suction valve (5), is provided with a lifting gripper (6) for selectively holding the suction valve (5) in an open position, is provided with an electrically actuatable actuator (7) for actuating the lifting gripper (6), and is provided with a control unit (4) for controlling the actuator (7), which control unit (4) is designed to actuate the actuator (7) in such a way that the actuator (7) can be actuated by the lifting gripper (6). In this way, the output pressure (p1) of the hydrogen gas (H2) at the output of the electrolysis unit (2) or the pressure difference (p) between the anode and the cathode of the electrolysis unit (2) can be adjusted to a predetermined setpoint value (p1soll, psoll).
Absstract of: AU2023272285A1
The invention relates to a water electrolyzer system (1) for producing hydrogen. The water electrolyzer system (1) comprises an electrolysis stack (8) for converting water into hydrogen, power electronics (12) for transforming the alternating current into a direct-current in order to supply the electrolysis stack (8), components (56, 64, 72, 80) for preparing the process media supplied to and discharged from the electrolysis stack (8), and a control unit (18) for controlling the electrolysis stack (8), the power electronics (12), and the components (56, 64, 72, 80) for preparing the media. At least the electrolysis stack (8), the power electronics (12), and the control unit (18) are formed together as an electrolyzer module (36), and the components (56, 64, 72, 80) for preparing the media and for conveying the media are formed together as a process module (52). The modules (36, 52) are equipped with connection possibilities (32, 40, 48, 84), via which the individual modules (36, 52) can be fluidically and electrically connected together.
Absstract of: AU2024227784A1
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.
Absstract of: CN120001364A
本发明公开了一种用于光催化制氢的金属钌催化剂的合成方法，包括如下步骤：(1)将TiO2纳米片加入到有机溶剂中超声分散，形成悬浊液；(2)将金属前驱体和表面活性剂加入到步骤(1)的悬浊液中，在室温下搅拌至完全溶解，得到混合液；(3)将混合液在油浴下高温反应，反应结束过后所得沉淀离心、洗涤、干燥，得到Ru/TiO2材料。本发明方法可实现金属钌在半导体载体(TiO2)表面的均匀负载，使反应活性位点更好的暴露出来，增大反应活性位点的暴露面积，从而使其具有良好的催化活性，进而具有良好的光催化分解水产氢的效率。
Absstract of: CN120004328A
本发明公开了一种γ相羟基氧化铁的制备方法及其应用，属于无机材料技术领域。本发明提供的γ相羟基氧化铁的制备方法，包括以下步骤：将铁盐与含醇羟基化合物的混合溶剂混合，进行反应，得到所述的γ相羟基氧化铁；所述混合溶剂中，醇羟基化合物的体积百分比为75～85％。本发明通过采用特定的溶剂制备铁盐溶液，使得铁盐能够在简单的条件下反应生成γ相羟基氧化铁，且该生成的γ相羟基氧化铁具有特定的微观形貌以及高的反应活性，尤其是具有高的电催化析氧反应的活性，使得该γ相羟基氧化铁在电催化反应尤其在电催化析氧反应中具有广泛的应用。
Absstract of: CN120015164A
本发明属于但不限于光催化分解水制氢技术领域，公开了一种Janus GaSSe/g‑SiC异质结构设计及光催化分解水制氢性能的预测方法及系统，采用体相GaSe建立本征GaSe单层结构模型，利用S原子取代一层Se原子，构建GaSSe单层结构模型；石墨相结构通过切面获得相应的石墨烯单层结构，利用Si原子替代C原子建立g‑SiC单层模型；GaSSe和g‑SiC堆积，并根据原子排列依次构建Janus GaSeS/g‑SiC异质结构模型。本发明的异质结构表现出良好的结构稳定性、高界面电荷转移效率、表面活性、更高太阳光利用率。同时，缓解了g‑SiC单层由于其宽带隙特性，使在光吸收方面的性能表现不佳的问题。
Absstract of: CN120004399A
本发明公开了氢能量子技术应用水处理设备，主水箱和辅助水箱，主水箱和辅助水箱之间设有连通管道；所述的辅助水箱内设有加水腔体和金属氢储藏腔体，金属氢储藏腔体内设有电解槽，所述的连通管道包括氢气泡水管道和氧气泡水管道，所述的主水箱体设有进水管、出水管，主水箱内设有过滤装置，所述的过滤装置包括过滤网和过滤塞，所述的过滤网上设有过滤孔洞，所述的过滤塞上设有活性炭，本技术通过设置辅助水箱，在辅助水箱内添加制氢设备，先将主水箱内水源多级过滤区杂质，将过滤好的纯净水混合添加氢气泡或氧气泡，使水内附有大量氢气泡或氧气泡。
Absstract of: CN120006324A
本发明涉及析氢反应电催化剂领域，公开了析氢反应电催化剂及其制备方法和应用。所述方法包括：(1)在惰性气氛下，将金属有机框架材料进行焙烧，所述金属有机框架材料中的金属包括Co；(2)将焙烧产物与铂源接触。通过本发明的方法有利于Pt利用率的提升，可以有效地提高低Pt电解水催化剂活性，在10mA/cm2电流密度下，该催化剂的HER过电势不高于80mV。
Nº publicación: CN120009483A 16/05/2025
Applicant:
浙江昊臻氢能源有限公司
Absstract of: CN120009483A
本申请涉及一种两相流中气体纯度检测装置，包括若干电解槽，若干所述电解槽上均设置有排放管，若干所述排放管远离电解槽一端均连接于同一个后处理设备，排放管上均设置有两相流取样管路，所述两相流取样管路包括两相流管、取样管和控制阀门，所述两相流管一端连接于排放管靠近电解槽处，另一端连接于排放管靠近后处理设备处，所述取样管于两相流管中部连接于两相流管，所述控制阀门不少于三个，两相流管两端以及取样管上均至少设置一个控制阀门。本申请具有降低纯度测量滞后性的效果。
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