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958
resultados
Última actualización
08/06/2025 [07:00:00]
Resultados 125 a 150 de 958
Resumen de: EP4556437A1
The present invention relates to a system for producing blue hydrogen, capturing carbon dioxide and sulfur oxide, recycling carbon and storing reactants, generating power by using a fuel cell, and creating an artificial forest. One embodiment of the present invention comprises: a natural gas storage that stores liquefied natural gas (LNG) including shale gas; a hydrocarbon reformer that reacts the natural gas or the shale gas supplied from the natural gas storage with externally injected water to produce a gaseous mixture containing hydrogen and carbon dioxide; a hydrogen charging station that receives and stores the hydrogen generated from the hydrocarbon reformer; a reactor that receives at least one of carbon dioxide generated from the hydrocarbon reformer or carbon dioxide generated from an exhaust gas source including a power plant, a steel mill, or a cement factory, reacts same with a basic alkali mixture to capture carbon dioxide, collects a reactant containing the collected carbon dioxide, and separates a carbon dioxide reactant and waste solution from the reactant; a carbon resource storage that stores the carbon dioxide reactant separated at the reactor; a hydrogen generator that directly receives the separated carbon dioxide reactant from the reactor or generates hydrogen by using the carbon dioxide reactant delivered via the carbon resource storage, and transfers the generated hydrogen to the hydrogen charging station; a fuel cell that receives the hydrogen from t
Resumen de: EP4556436A1
The present disclosure relates to a system for generation of blue hydrogen through natural gas reforming, carbon dioxide capture, carbon resource utilization, and reaction product storage. According to an embodiment of the present invention, the system comprises: a natural gas storage container for storing liquefied natural gas (LNG) including shale gas; a hydrocarbon reformer in which a gas mixture containing hydrogen and carbon dioxide is produced by a reaction between water supplied from outside and the natural gas or shale gas supplied from the natural gas storage container; a hydrogen filling station in which hydrogen produced from the hydrocarbon reformer is received and stored; a reactor in which carbon dioxide produced from the hydrocarbon reformer is received and reacted with a basic alkali mixed solution to capture carbon dioxide, and a reaction product comprising the captured carbon dioxide is collected, and a carbon dioxide reaction product and a waste solution are separated from the reaction product; a carbon resource storage container storing the carbon dioxide product separated from the reactor; and a hydrogen generator in which the carbon dioxide reaction product separated from the reactor is directly received or the carbon dioxide reaction product received via the carbon resource storage container is used to product hydrogen, and the produced hydrogen is delivered to the hydrogen filling station.
Resumen de: 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.
Resumen de: 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).
Resumen de: 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.
Resumen de: 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.
Resumen de: 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) .
Resumen de: 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.
Resumen de: 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.
Resumen de: 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
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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。
Resumen de: 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).
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: CN120006321A
本发明提供一种氮碳掺杂镍基析氢阴极及其制备方法，通过简单的水热‑浸渍‑高温热解法实现，催化剂为铬和钼掺杂镍基复合材料且其表面设有氮碳层。该材料具体制备步骤包括：通过水热法制备铬和钼掺杂镍金属复合氧化物前驱体，前驱体材料在含有一定浓度碳源和氮源的混合溶液中浸泡，干燥后在还原性和惰性混合气体中焙烧，得到氮掺杂碳包覆镍钼铬复合材料。本发明制备方法简单易行，铬掺杂不仅可以引入更多的晶格缺陷，优化镍钼的电子结构，而且防止镍钼材料的进一步氧化。具有适度缺陷密度的超薄氮掺杂碳层有效平衡了催化剂的活性和稳定性。因此，在涉及频繁启停操作的电解条件下，可以抵抗反极化电流和溶液中氧气引起的催化剂失活，表现出出色的耐用性以及作为可再生能源驱动的水电解催化剂极大的应用前景。
Resumen de: CN120001321A
一种以液态金属作为催化剂的氨分解反应器，涉及氨分解制氢技术领域。反应器包括液态金属，多孔金属管，反应腔。实际应用中，加热反应器后从多孔金属管中通入氨气，通过多孔金属管对氨气进行分布进气，在液态金属的催化作用下，氨气分解为氢气与氮气。工业上氨分解需要高温，本反应器采用液态金属作为催化剂，并通过多孔金属管对氨气进行分布进气，加大反应气与液态金属的接触面积，提高反应效率，降低反应温度。
Resumen de: CN120006339A
Ru/NiCo@CNTs‑H2合金结构电催化剂的制备方法及其应用，属于电催化领域，本发明通过CNT、小分子H2调控水热法合成NiCo基前驱体，后通过浸渍氯化钌水溶液并进行旋蒸和焙烧，即得到Ru/NiCo@CNTs‑H2电催化剂。碳材料提供良好的导电性和分散性，小分子的原位调控使得活性金属分散更均匀且粒径更小。合成的Ru/NiCo@CNTs‑H2催化剂制备方法简单，并且该催化剂在1.0M KOH电解液中具有优异的HER活性和稳定性。
Resumen de: 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.
Resumen de: CN120006328A
本发明属于新能源电催化材料领域，尤其是一种富缺陷硫化镍负载多孔碳纳米片电极材料的制备方法及其应用，针对现有硫化镍基催化剂的微观结构调控的研究仍然较为有限，导致其析氢活性仍然与铂基贵金属催化剂有较大距离的问题，现提出如下方案，其包括S1将镍盐、2,5‑噻吩二羧酸溶解于去离子水、乙醇和N,N‑二甲基甲酰胺的混合溶剂中，得到前驱体溶液；S2将石墨基底放置于步骤S1所得的前驱体溶液中进行一步水热反应。本发明还提供了上述制备方法制备得到的富缺陷硫化镍负载多孔碳纳米片电极材料在碱性电解液中电催化水分解析氢的应用。该催化材料在碱性电解液中展现出优异的电催化析氢活性和良好的催化稳定性。
Resumen de: CN120006320A
本发明涉及碱性电解水装置技术领域，特别是涉及一种基于毛细供液的制氢电解槽。本发明的左端极板设置在所述左端压板的一侧；两个相邻的极板之间构成一个电解小室，多个极板设置在左端极板远离左端压板的一侧；右端极板设置在多个极板远离左端极板的一侧；右端压板设置右端极板远离极板的一侧；极板的四周设置紧固孔，通过紧固件穿过紧固孔将左端压板、右端压板、左端极板、右端极板、极板紧固连接；碱液进口设置在左端压板下方；氢气出口、氧气出口均设置在左端压板上方。本发明根据隔膜的毛细作用可将电解液自发不断的从储液腔中吸收至反应室，电解液在外电路的作用下，直接电解为氢气和氧气，可以减少氢氧分离器等设备使用。
Nº publicación: CN120008426A 16/05/2025
Solicitante:
江汉大学
Resumen de: CN120008426A
本发明公布了一种基于电解水生成气体的静态与动态膨胀力发生装置，包括直流电源和薄壁容器，薄壁容器内部设有空腔，薄壁容器一端设有容器密封头，容器密封头与空腔形成密闭反应室，电解质溶液分布在反应室内，电解质溶液内部浸有正负固态电极，反应室内还设有电火花点火头，所述电火花点火头与电解质溶液不接触，正负固态电极和电火花点火头均与直流电源连接，薄壁容器内发生反应时，其内部容积可膨胀变大。本发明利用电解水产生的氢气和氧气，结合电火花点火头点燃，能提供较大的膨胀力，结构简单，易于控制。
BOPI
Sede Electrónica
