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Última actualización
27/09/2025 [07:16:00]
Resultados 350 a 375 de 785
Resumen de: WO2024133737A1
The invention relates to a metal body comprising a substrate (1) made of a metal material. At least one first layer (L1) made of Ni-X-Y is deposited onto the surface of the substrate (1), wherein X is a chemical element which is selected from Al, Zn, Mg, Mn, Sn and/or a plurality of the aforementioned elements and Y is a chemical element which is selected from Mo, Cr, Fe, Cu, Co, Ti, V, Ce and/or a plurality of the aforementioned elements. The at least one first layer (L1) has at least two lamellar regions with different phases in terms of the ternary phase diagram. In order to increase the specific surface area of the at least one first layer (L1), at least one of the lamellar phases which form a region of the at least one first layer (L1) is completely or partially leached.
Resumen de: AU2023389305A1
The present invention relates to an alkaline anion exchange membrane precursor (pAAEM) comprising a blend of at least one first polymer (P1) comprising repeating units derived from acrylonitrile and at least one second polymer (P2) comprising repeating units derived from a vinyl lactam, and an alkaline anion exchange membrane (AAEM) obtained therefrom.
Resumen de: US2024133066A1
An electrolysis cell system includes a cathode portion configured to output a cathode exhaust stream, an anode portion configured to output an anode exhaust stream, a sensor configured to detect a concentration in an exhaust stream and to output sensor data, wherein the sensor is either a hydrogen concentration sensor configured to detect a hydrogen concentration in the cathode exhaust stream or a water concentration sensor configured to detect a water concentration of the anode exhaust stream, and a controller. The controller is configured to receive the sensor data from the sensor and, based on the sensor data, control at least one of (a) an air pressure adjustment device to adjust a pressure of air entering the anode portion or (b) a steam pressure adjustment device to adjust a pressure of steam entering the cathode portion.
Resumen de: US2024133063A1
An electrolyzer system includes a vaporizer configured to store a first volume of liquid water and to vaporize water to humidify a cathode inlet stream of an electrolyzer cell module, a cold water tank positioned at a height greater than that of the first volume of liquid water and configured to store a second volume of water, and a valve configured to open and close. The water from the cold water tank is allowed to flow through the valve into the vaporizer when the valve is open.
Resumen de: EP4606932A1
The various embodiments of the present invention disclose an electrolyser and a method for electrolysis of water. The system (100) comprises at least an electrolyser stack (101) producing a first gas-first electrolyte mixture at a first compartment of the stack (101), and a second gas-second electrolyte mixture at a second compartment of the stack (101). A first separator (103) receives the first gas-first electrolyte mixture via a first outlet (107) and separates a first electrolyte from a first gas. A second separator (104) receives the second gas-second electrolyte mixture via a second outlet (108) and separates a second electrolyte from a second gas. A first inlet (105c) transports at least the first electrolyte into the stack (101) and a second inlet (106c) transports at least the second electrolyte into the stack (101). A first suction line (105a) connects a first pump (109) and the first separator (103) and a first head line (105b) connects the first pump (109) and the first inlet (105c) of the stack (101). A second suction line (106a) connects a second pump (110) and the second separator (104), and a second head line (106b) connects the second pump (110) and the second inlet (106c) of the stack (101). An interconnect line (111) connecting the first head line (105b) and the second suction line (106a) is configured to supply a portion of the first electrolyte, at a predetermined mixing rate, from the first head line (105b) to the second suction line (106a). The predeter
Resumen de: US2024194916A1
A hydrocarbon feed stream is exposed to heat in an absence of oxygen to the convert the hydrocarbon feed stream into a solids stream and a gas stream. The gas stream is separated into an exhaust gas stream and hydrogen. The carbon is separated from the solids stream as a carbon stream. Electrolysis is performed on a water stream to produce an oxygen stream and hydrogen. The oxygen and a portion of the carbon are combined to generate power and a carbon dioxide stream. At least a portion of the carbon stream, cement, and water are mixed to form a concrete mixture. The concrete mixture can be used to produce ready-mix concrete and precast concrete. Carbon dioxide used for curing the concrete can be sourced from the carbon dioxide stream produced by power generation.
Resumen de: WO2024086793A1
The present disclosure provides a catalyst, methods of manufacturing the catalyst, and methods for using the catalyst for ammonia decomposition to produce hydrogen and nitrogen. The catalyst may comprise an electrically conductive support with a layer of one or more metal oxides adjacent to the support and at least one active metal adjacent to the layer. Methods are disclosed for deposition of metal oxide and active metal, drying and heat treatment. The method of using the catalyst may comprise bringing ammonia in contact with the catalyst in a reactor. The catalyst may be configured to be heated to a target temperature in less than about 60 minutes, by passing an electrical current through the catalyst. The method of using the catalyst may comprise bringing the catalyst in contact with ammonia at about 450 to 700 °C, to generate a reformate stream with a conversion efficiency of greater than about 70%.
Resumen de: GB2638623A
A hydrogen production facility 10 and associated method of use is disclosed, comprising a plurality of electrolyser stacks 12. The stacks 12 are for electrolyzing water, generating a hydrogen-aqueous solution mixture. A hydrogen separator 2 arrangement is described for producing a flow of hydrogen from the hydrogen-aqueous solution mixture. The hydrogen separator 2 arrangement comprises a plurality of first stage hydrogen collector separators 20,22, where the first stage hydrogen collector separators are fluidly coupled to a respective sub-set of the plurality of electrolyser stacks. The plurality of first stage hydrogen collector separators 20,22 are also fluidly coupled to a downstream hydrogen buffer vessel 28. The hydrogen separator 2 arrangement may comprise one or more hydrogen coalescing devices 16. A pressure balancing line 24 can also be provided between oxygen 22 and hydrogen separators 20 - it may also extend between hydrogen 28 and oxygen buffer 30 vessels.
Resumen de: WO2024132579A1
A process for producing a synthesis gas product comprising hydrogen from an endothermic cracking reaction of an ammonia feedstock stream, comprising the following steps: - Providing an ammonia feedstock stream, - Performing a catalytic conversion by catalytically converting the ammonia feedstock stream by cracking endothermically said ammonia feedstock stream into a synthesis gas product comprising hydrogen, - Performing heat exchanges step by performing heat exchanges between the synthesis gas product and the catalytic conversion of the ammonia feedstock stream, said heat exchanges step comprising the following steps: • Discharging the synthesis gas product in a synthesis gas product circulation duct, said duct being arranged for the heat exchanges between the discharged synthesis gas product and the catalytic conversion of the ammonia feedstock stream, • Recovering heat from the discharged synthesis gas product, • Directing the recovered heat to the catalytic conversion of the ammonia feedstock stream.
Resumen de: WO2024133737A1
The invention relates to a metal body comprising a substrate (1) made of a metal material. At least one first layer (L1) made of Ni-X-Y is deposited onto the surface of the substrate (1), wherein X is a chemical element which is selected from Al, Zn, Mg, Mn, Sn and/or a plurality of the aforementioned elements and Y is a chemical element which is selected from Mo, Cr, Fe, Cu, Co, Ti, V, Ce and/or a plurality of the aforementioned elements. The at least one first layer (L1) has at least two lamellar regions with different phases in terms of the ternary phase diagram. In order to increase the specific surface area of the at least one first layer (L1), at least one of the lamellar phases which form a region of the at least one first layer (L1) is completely or partially leached.
Resumen de: CN120532519A
本发明属于压电光催化剂领域，具体涉及一种含有硫空位的CuSe/MgIn2S4‑Vs复合催化剂及其制备方法和应用。首先合成MgIn2S4‑Vs，其次合成CuSe，最后采用浸渍法制备CuSe/MgIn2S4‑Vs异质结复合催化剂。该催化剂在太阳光的照射下，通过引入超声波振动，用于压电光催化产H2或H2O2。本发明催化剂合成方法简单易行，绿色无污染，所制备出的催化剂具有丰富的活性位点，较高的活性和优异的稳定性等特点。
Resumen de: US2025250687A1
A water electrolysis system includes a flow rate adjusting valve for relatively changing a first flow rate which is a flow rate of water flowing through a first flow path portion extending from a first water lead-out unit, and a second flow rate which is a flow rate of water flowing through a second flow path portion extending from a second water lead-out unit.
Resumen de: CN120535001A
本发明提供了一种具有压缩应变的二维多孔氧化物纳米片的制备方法和应用，属于电化学技术领域。本发明通过将甘露糖、赖氨酸以及金属盐研磨混合，之后将混合物焦耳热处理，发生非酶棕色化反应，即可制备压缩应变的氧化物多孔纳米片。其材料具有丰富的多孔结构，并将稀土元素和过渡金属共掺杂，诱导CeO2中的晶格压缩应变及产生丰富的氧空位，在晶格压缩应变和增加氧空位浓度的协同作用下，有效提高了催化剂的稳定性和HER活性。
Resumen de: CN120532529A
本发明提供了一种基于静电纺丝法制备Ru基纳米粒子催化剂的方法，属于纳米材料制备领域本发明基于静电纺丝技术，对贵金属催化剂进行合理的设计、制备和优化，提高了析氧反应催化剂活性和稳定性同时提高Ru原子的利用率，降低了Ru基纳米粒子催化剂的制备成本，能够广泛应用于OER电催化研究中去。包括如下步骤：步骤一、在聚丙烯腈中引入RuP2的前驱体，之后加入N,N‑二甲基甲酰胺来配制纺丝液，再通过静电纺丝法制备Ru‑PAN纳米纤维膜；步骤二、将活化后的Ru‑PAN纳米纤维膜，在煅烧后获得RuP2纳米粒子负载在N掺杂的CNFs上的纳米复合材料，即Ru基纳米粒子催化剂。
Resumen de: CN120536963A
本发明公开了一种选择性暴露特定晶面调控IrRuMOx基氧析出电催化剂构型的方法，包括以下步骤：酸化和热处理碳粉制备成碳材料硬模板；缓慢注入预反应混合溶液并进行搅拌；有机配体和硝酸盐进行溶剂热反应；对反应产物烘干处理后研磨成粉并热处理；酸处理和水洗获得纳米棒结构的IrRuMOx氧析出电催化剂。本发明利用碳材料模板提供的纳米限域生长环境，限制IrRuM(OH)前驱体在热处理过程中的径向生长；在热处理过程中，有机配体选择性吸附于IrRuMOx特定晶面，有效抑制该方向的晶体生长，引导形成沿特定晶向的高度有序纳米结构，选择性暴露特定活性晶面显著加快四电子转移过程，有利于提升氧析出反应活性。
Resumen de: CN120536980A
本发明涉及一种用于控制碱性电解槽的温度的系统，其中，所述系统包括至少一个电解槽、氧气分离器、氢气分离器、碱液冷却器、碱液循环泵，所述氧气分离器和氢气分离器位于所述电解槽的下游，从所述氧气分离器和氢气分离器分离出来的碱液流动到所述碱液冷却器，所述碱液循环泵将来自所述碱液冷却器的碱液回流到所述电解槽中以实现电解液的循环，所述系统还包括控制器，所述控制器被构造成根据提供给所述电解槽的波动电源负荷、所述电解槽的温度和回流到所述电解槽中的碱液的流量来控制所述电解槽中的碱液的温度。
Resumen de: CN120536944A
本发明涉及制氢技术领域，具体公开一种整合质子传导固体氧化物电解池和透氧膜的高效制氢系统，包括质子传导固体氧化物电解池和透氧组件；所述质子传导固体氧化物电解池包含有氧电极、电解质、燃料电极、燃料电极流道和氧电极流道；所述透氧组件具有透氧膜流道和透氧膜，所述氧电极流道与透氧膜流道被所述透氧膜分隔，所述氧电极流道中的水蒸气被电解时，以在所述氧电极中产生氧气，并在所述燃料电极产生纯净的氢气；在氧分压差的作用下，所述氧电极流道中的氧气能通过所述透氧膜，并进入所述透氧膜流道；该整合质子传导固体氧化物电解池和透氧膜的高效制氢系统可以高效制氢，降低电能损耗。
Resumen de: CN120532716A
本发明属于膜电极喷涂技术领域，具体涉及一种PEM电解水制氢膜电极的梯度喷涂制备工艺。所述制备工艺包括以下步骤：配置浆料：制备PEM膜电极阳极催化层第一浆料和第二浆料，阴极催化层第一浆料和第二浆料，阳极催化层喷涂：第一层将PEM膜电极阳极催化层第一浆料超声喷涂质子交换膜上，随后将第二浆料超声喷涂质子交换膜上，两次喷涂的流速相同；依次顺序重复进行喷涂；阴极催化层喷涂：第一层将PEM膜电极阴极催化层第一浆料超声喷涂到质子交换膜上；随后将第二浆料超声喷涂到质子交换膜上，两次喷涂的流速相同；依次顺序重复进行喷涂。本发明制备的PEM电解水制氢膜电极能有效降低结构孔隙率，以减少气体传质阻力，提升质子传导效率，提高催化剂利用率。
Resumen de: CN120536976A
本发明公开了一种海水直接制氢抗高盐抗腐蚀电解催化剂及其制备方法，该催化剂包括阳极催化剂TiN‑IrO2和阴极催化剂TiN‑MoS2；制备方法：(1)先将钛箔依次进行超声清洗，取出，洗涤，烘干，然后在钛箔上沉积TiN，得到TiN基底；(2)将TiN基底浸渍在IrCl3·3H2O和HCl的混合溶液中，搅拌，取出，焙烧，得到阳极催化剂TiN‑IrO2；(3)将TiN基底浸渍在Na2MoO4·2H2O和硫脲的混合溶液中，水热反应，取出，洗涤，真空烘干，得到阴极催化剂TiN‑MoS2。本发明电解催化剂成本低、抗高盐、抗腐蚀性强，实现了海水直接制氢的高效性和稳定性，成功克服了现有技术在海水直接制氢领域的高成本、制备复杂、稳定性不足、选择性差以及预处理需求等缺陷，为海水直接制氢提供了高效解决方案。
Resumen de: CN120531941A
本发明公开了一种具有产氢功能的气管导管及其制备方法，其制备方法具体包括以下步骤：S1：将产氢粒子分散到三羟甲基氨基甲烷盐酸盐溶液中，然后加入盐酸多巴胺，遮光搅拌8~12h，制得含有产氢粒子和聚多巴胺的混合溶液；S2：将气管导管套囊浸没在步骤S1的混合溶液中，并在35~37℃下遮光搅拌8~12h，然后取出置于30~40℃烘箱内干燥，从而在气管导管套囊表面制得产氢涂层，进而得到所述具有产氢功能的气管导管。本发明能有效消除气管导管套囊作用部位的活性氧，减小患者气道黏膜损伤。
Resumen de: CN120532273A
本发明公开了一种电解水制氢两塔无损耗纯化干燥装置及其时序控制方法。将三通阀的输入口接高压氢气，三通阀的第一输出口与第一回氢阀的第一端连通；三通阀的第二输出口与第二回氢阀的第一端连通；第一回氢阀的第二端与第一干燥罐的第一端连通；第一干燥罐的第二端与第二干燥罐的第一端连通；第二干燥罐的第二端与第二回氢阀的第二端连通；第二回氢阀的第三端与第二冷却器的第一端连通，第二冷却器的第二端与气水分离罐的第一端连通；气水分离罐的第二端与流量调节阀的第一端连通；流量调节阀的第二端与第一冷却器的第一端连通，第一冷却器的第二端与第一回氢阀的第三端连通。本发明可以延长分子筛的再生间隔周期，从而降低综合制氢能耗。
Resumen de: CN120532551A
本发明涉及一种基于铜卟啉共价有机框架与石墨相氮化碳的Z型有机异质结光催化剂及其制备方法与应用，将碱化g‑C3N4与CuP‑Ph COF超声分散于有机溶剂中，分散均匀后进行回流反应，将反应产物经冷却、过滤、洗涤、干燥，得到g‑C3N4@CuP‑Ph COF复合光催化剂，即基于铜卟啉共价有机框架与石墨相氮化碳的Z型有机异质结光催化剂。该光催化剂通过共价有机框架中的Cu与碱化g‑C3N4中的氰基/亚氨基形成稳定配位键，构建平面共价键合的半导体异质结。与现有技术相比，本发明具有通过构建平面共价键合的半导体异质结，实现高效的光催化制氢性能等优点。
Resumen de: CN120536968A
本发明公开了一种基于电活化与钼酸电解液改性协同的电解水制氢方法，包括：催化剂的制备、电解液的配置等多个步骤。通过上述方式，本发明一种基于电活化与钼酸电解液改性协同的电解水制氢方法，不仅可以通过对催化剂进行电活化，使得制备的电极能够得到非晶态和纳米晶态的镀层，从而有效的提升了催化剂的催化活性，而且价格低廉，可以有效的控制成本，同时降低了电解能耗，提升了电解水制氢效率。
Resumen de: CN120534930A
本发明属于制氢技术领域，尤其涉及一种镁基储氢材料的制备及水解放氢方法。本发明通过将镁锭加热熔化，并加入带有磁性金属元素的中间合金进行合金化处理得到具有磁性的镁合金粉体，进而对该粉体进行氢化、半固态化处理，得到半固态的镁基储氢材料，该材料在水解放氢装置上与水发生水解反应。通过水解放氢装置上设置磁铁，依靠磁场控制固体颗粒聚集状态，加快固相与液相的分离速度，经过水解、脱水、干燥，对外输出纯净的氢气。制备成半固态浆料便于储存、运输、水解反应，可防止镁基固体颗粒暴露在空气中发生氧化，也加速水解制(放)氢过程，另外水解制氢装置还可将半固态浆料转变为全固态颗粒料，方便用于热解产氢。还可适用于复杂运动条件下的持续工作。
Nº publicación: CN120536945A 26/08/2025
Solicitante:
本田技研工业株式会社
Resumen de: US2025270710A1
A water electrolysis system includes: a water electrolysis device for electrolyzing water; a gas-liquid separator for performing gas-liquid separation of a mixed fluid of hydrogen gas and water, the mixed fluid being led out from the water electrolysis device; a dehumidifier for dehumidifying the hydrogen gas separated from the mixed fluid by the gas-liquid separator; a delivery path for delivering the hydrogen gas dehumidified by the dehumidifier; a humidifier for humidifying the hydrogen gas delivered through the delivery path; and a compression device for compressing the hydrogen gas humidified by the humidifier.
BOPI
Sede Electrónica
