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905
results.
Updated on
02/04/2026 [07:04:00]
Results 625 to 650 of 905
Absstract of: CN121519105A
本发明属于催化剂材料技术领域，具体涉及一种用于电解水制氢的双金属氮化物催化剂及其制备方法。所述方法为，将钒源、钛源溶于双氧水中，加入聚乙烯吡咯烷酮作为碳源，进行水热反应，得到前驱体，前驱体于氨气中进行氮化反应，即得所述双金属氮化物催化剂。所述催化剂为超薄二维多孔结构，可暴露丰富的催化活性位点，并且原位的碳基体复合提高了催化剂的稳定性。本发明可通过改变钒\钛比来调节双金属氮化物的电子结构，提高催化活性，从而表现出优异的电催化性能和良好的循环稳定性。本发明的制备方法操作简单、可控且适合规模化制备，在电解水产氢工业领域具有良好的应用前景。
Absstract of: CN121513943A
本发明涉及一种Co@BC‑PCN光热催化剂的制备方法和应用。本发明将三聚氰胺分散于一定浓度的磷酸水溶液中，然后进行水热处理使部分三聚氰胺水解为三聚氰酸，同时得到磷掺杂超分子前驱体；将此前驱体与废弃咖啡渣混合后，在氮气氛下焙烧得到由磷掺杂剥离的类石墨相氮化碳纳米片与咖啡渣生物炭组成的复合材料；进一步通过湿法浸渍‑原位还原制得Co@BC‑PCN光热催化剂。本发明通过三聚氰胺‑三聚氰酸热解自组装制备剥离的类石墨相氮化碳，结合磷掺杂和生物炭修饰来提高催化剂的比表面积，增强可见光吸收能力，减少光生载流子的复合，使得该催化剂在光热催化硼氢化钠水解产氢反应中有优异的催化性能。
Absstract of: CN121513942A
本发明公开了一种泡沫状磷掺杂氮化碳限域金属钴光热催化剂的制备方法和应用，属于光热催化材料制备与硼氢化物制氢领域。本发明制备方法通过盐酸与磷酸混酸溶液对三聚氰胺进行处理，再借助三聚氰胺‑三聚氰酸超分子前驱体自组装一步得到泡沫状磷掺杂类石墨相氮化碳，然后通过钴盐溶液浸渍，使Co2+在泡沫状氮化碳结构中限域吸附，最后通过NaBH4将其原位还原为金属钴，进而制得泡沫状磷掺杂类石墨相氮化碳限域钴光热催化剂。泡沫状结构有利于反应物分子的传输，限域钴为表面反应提供了更多的活性位点，磷掺杂后使氮化碳的禁带宽度降低，可增强可见光激发电子跃迁能力。
Absstract of: FI20246009A1
The present disclosure relates to methods and arrangements for improving the operational flexibility of systems (200) comprising an electrolyzer (201) configured to produce hydrogen and one or more downstream hydrogen processing units (202a-d), wherein at least one of the one or more downstream hydrogen processing units has a hydrogen mass flow operating capacity more restricted than hydrogen mass flow operating capacity of the electrolyzer. The operational flexibility of the system is improved by feeding additional hydrogen from an additional hydrogen source (203) to the one or more downstream hydrogen processing units to compensate for the difference.
Absstract of: JP2026025107A
【課題】膜抵抗が充分に実用的なものでありながら、無機粒子の脱落を充分に抑制することができるアルカリ水電解用隔膜を提供する。【解決手段】多孔性支持体と、該多孔性支持体の片側又は両側の主面に設けられ、無機粒子及び有機樹脂を含む多孔膜と、を備えるアルカリ水電解用隔膜であって、更に、該多孔性支持体と該多孔膜とからなる本体層の片側又は両側の主面の少なくとも一部を覆う、中性又は塩基性の極性官能基を有する第１樹脂を含む被覆膜を備えることを特徴とするアルカリ水電解用隔膜。【選択図】なし
Absstract of: JP2026024144A
【課題】水電解効率を向上させる。【解決手段】水電解スタックは、互いに電気的に直列に接続され、水電解を行うアニオン交換膜型の複数のセルと、複数のセルに電解液を供給するための第１マニホールドと、複数のセルから電解液を排出するための第２マニホールドと、を有するマニホールド構造体と、を備え、第１マニホールドおよび第２マニホールドのうちの一方または両方の内壁面は、電解液よりも高い絶縁性を有する。【選択図】図１
Absstract of: WO2026028789A1
This diaphragm for alkaline water electrolysis separates an anode chamber in which an anode of an alkaline water electrolysis tank is disposed and a cathode chamber in which a cathode is disposed, the diaphragm for alkaline water electrolysis comprising a polymer porous membrane integrally having a seal region, which is sandwiched by a tank-constituting member in the alkaline water electrolysis tank, and a separator region, which is disposed on the inner-peripheral side of the seal region. The separator region has an inter-electrode region that is smaller than the separator region and is sandwiched between the anode and the cathode, and a non-restraint region present between the seal region and the inter-electrode region. The polymer porous membrane has a frame-shaped bulk part that extends across the seal region, the non-restraint region, and the inter-electrode region.
Absstract of: WO2026028790A1
Disclosed is a diaphragm for alkaline water electrolysis, which separates an anode chamber and a cathode chamber of an alkaline water electrolysis cell. This diaphragm for alkaline water electrolysis is provided with a polymer porous film which integrally has a sealing region that is sandwiched by cell constituent members in the alkaline water electrolysis cell, an edge region that is disposed on the outer peripheral side of the sealing region, and a separator region that is disposed on the inner peripheral side of the sealing region. The sealing region has a shape surrounding the separator region, and has a bulk part for preventing permeation of an electrolyte solution through the pores of the polymer porous film.
Absstract of: JP2026024157A
【課題】アルカリ水電解用多孔質隔膜において膜の物理的強度を向上する。【解決手段】アルカリ水電解槽の陽極室と陰極室とを隔てるアルカリ水電解用隔膜は、アルカリ水電解槽において槽構成部材に挟み込まれるシール領域と、シール領域の内周側に配置されたセパレータ領域とを一体的に有する高分子多孔質膜を備える。セパレータ領域は、バルク構造の補強部を有する【選択図】図３
Absstract of: JP2026024159A
【課題】多孔質構造を有するアルカリ水電解用隔膜において、き裂や打痕、摩耗などの軽度の欠陥が生じた場合に隔膜を補修する方法を提案する。【解決手段】高分子多孔質膜から成るアルカリ水電解用隔膜のガス遮断性を低下させる欠陥部分を溶着して当該欠陥部分の多孔質構造をバルク構造に変化させることにより、前記欠陥部分の前記ガス遮断性を回復させる。【選択図】図３
Absstract of: CN121513761A
一种立式硅碳棒解水剂制氢装置，属于制氢技术领域，主要由料箱、解水剂料、供料管、电动阀、外管、反应管、落料板、硅碳棒、上盖、下盖、回收管、水箱、供水管、回收罐、蒸汽发生器、蒸汽管、电磁铁、压簧、氢气出口等组成，其特征是：料箱内装解水剂料，供料管上端接料箱中部串连两个电动阀下端接上盖进料口，反应管上端的上盖设有进料口和氢气出口内设落料板下端的下盖设有出料口和蒸汽进口，外管内置硅碳棒外设蒸汽发生器反应管从内通过。工作过程是：通电后，电磁铁振动，硅碳棒加热，解水剂料在重力和振动力作用下，由料箱内经电动阀进入反应管内，受热后与水蒸汽接触发生化学反应产生氢。氢气经氢气出口收集备用；剩余料经下盖出料口排出，由回收罐收集备用。优点有：1成本低于现有工业制氢；2无污染；3原料充足易得。
Absstract of: CN121519107A
本发明为一种电催化析氢用非晶镍/结晶二氧化钼材料的制备方法和应用。该方法包括以下步骤：将Mo系杂多酸放置于管式炉下游，固体气氛源放于管式炉上游，然后向管式炉内通入混合气体，升温到400‑700℃热解还原0.5‑5 h，得到非晶镍/结晶二氧化钼材料；Mo系杂多酸具体为钼酸镍NiMoO4、6‑钼镍酸四铵或9‑钼镍酸六铵；固体气氛源为尿素、三聚氰胺、氯化铵或双氰胺。本发明制备简单，催化剂组分可调，析氢反应活性高。
Absstract of: CN121519091A
本发明公开一种双金属硫化物/三维多孔碳催化剂的制备方法和应用，涉及电解水催化剂技术领域，包括以下步骤:将三聚氰胺海绵进行清洗，得到清洁的三聚氰胺海绵;将金属盐1、金属盐2溶解于乙醇水溶液中，加入碱和苯胺单体，获得前驱体溶液;将所述清洁的三聚氰胺海绵完全浸泡在前驱体溶液中，经恒温水热反应后，依次进行洗涤、干燥，得到锚定双金属离子的三聚氰胺海绵;通入惰性气体保护，并进行高温硫化处理，得到嵌入双金属硫化物异质结构的三维多孔碳催化剂。所述催化剂包括均匀分散的双金属硫化物纳米颗粒和海绵状三维多孔碳载体，当应用于电催化分解水反应中，展现出优异的双功能催化活性和稳定性，具有广阔的应用前景。
Absstract of: CN121521680A
本发明涉及碱性电解水制氢技术领域，公开了一种多参数融合的气液分离效果在线评估方法，包括以下步骤：在气液分离器回流碱液管道上实时采集碱液质量分数浓度、流体温度、实际混合密度和质量流量信号；根据实时采集的碱液质量分数浓度和流体温度，动态计算当前工况下无气泡纯碱液的理论密度；计算所述理论密度与实际混合密度的绝对偏差；对质量流量信号进行实时噪声水平分析；根据所述绝对偏差与预设密度偏差阈值的比较结果；输出分离结果判断结果并执行相应报警或联锁控制。本发明通过在控制单元中实时根据在线测量的碱液质量分数浓度和温度动态计算无气泡纯碱液的理论密度，实现了在浓度实时变化工况下的可靠分离结果评估。
Absstract of: CN121517656A
本发明公开了一种芘基共价有机框架材料的制备方法及其在光催化产氢反应中的应用，属于多相催化领域。本发明通过调控三苯胺数量，将具有不同含量的三苯胺单体整合到芘基共价有机框架（COF）骨架中，合成了一类新型芘基COFs光催化剂。本发明操作简单，反应条件温和，反应时间短，可重复性高，所得芘基COFs具有良好的光捕获能力和光生载流子分离特性，同时能够有效降低电子‑空穴复合，延长激发态寿命，从而提高光催化产氢的反应效率，具有潜在的应用前景。
Absstract of: WO2026032632A1
The invention relates to a fluid transport component (1) for an electrolyser, having a gas diffusion layer (2) which comprises a metal and is porous, and having a porous transport layer (3) which comprises a carbon paper and/or a carbon nonwoven, characterised in that the gas diffusion layer (2) is integrally bonded and electrically conductively connected to the porous transport layer (3). The invention additionally relates to a method for producing a fluid transport component (1) for an electrolyser, having the following steps: a) providing a gas diffusion layer (2) which comprises a metal and is porous; b) providing a porous transport layer (3) which comprises a carbon paper and/or a carbon nonwoven; and c) integrally bonding and electrically conductively connecting the gas diffusion layer (2) to the porous transport layer (3).
Absstract of: WO2025012271A1
The invention relates to a plant for preparing H2 by catalytically decomposing NH3. The plant according to the invention can be operated in a start-up mode in order to heat apparatuses of the plant to an increased operating temperature using a heat-transfer medium, e.g. following interruption of a continuous operation of the plant due to maintenance work. After heating to the operating temperature, the plant according to the invention can be operated in a production mode for continuous production of H2. The invention also relates to a method for starting up a plant for preparing H2 by catalytically decomposing NH3.
Absstract of: DE102024207534A1
Die Erfindung betrifft ein Fluidtransportbauteil (1) für einen Elektrolyseur, mit einer Gasdiffusionslage (2), die ein Metall aufweist und porös ist, und einer porösen Transportschicht (3), die ein Kohlenstoffpapier und/oder einen Kohlenstoffvlies aufweist, dadurch gekennzeichnet, dass die Gasdiffusionslage (2) stoffschlüssig und elektrisch leitfähig mit der porösen Transportschicht (3) verbunden ist. Zudem betrifft die Erfindung ein Verfahren zum Herstellen eines Fluidtransportbauteils (1) für einen Elektrolyseur, mit den Schritten: a) Bereitstellen einer Gasdiffusionslage (2), die ein Metall aufweist und porös ist; b) Bereitstellen einer porösen Transportschicht (3), die ein Kohlenstoffpapier und/oder einen Kohlenstoffvlies aufweist; und c) stoffschlüssiges und elektrisch leitfähiges Verbinden der Gasdiffusionslage (2) mit der porösen Transportschicht (3).
Absstract of: WO2026032578A1
A method for producing carbon monoxide is specified. The method comprises electrochemical desorption of carbon dioxide and oxygen from a solution containing a metal hydrogen carbonate and forming carbon monoxide from the carbon dioxide. The carbon monoxide produced can be used in a method for forming syngas.
Absstract of: WO2026032565A1
The invention relates to a process for producing a hydrogen product (3) from a feedstock stream (4), said process comprising the following steps: - providing an ammonia stream (8); - sending the ammonia stream (8) to a vaporizer (6) configured to receive said ammonia stream (8) and to vaporize said ammonia stream (8) so as to obtain a vaporized ammonia stream (10); and - controlling the temperature of the vaporized ammonia stream (10) by injecting a cooling medium (16) into the vaporized ammonia stream (10) thereby obtaining a temperature-controlled ammonia stream (18).
Absstract of: WO2026032563A1
A process (100) for producing a hydrogen product (20) from a feedstock stream (10), the process (100) comprising the following steps: - performing a combustion of a fuel gas (S11) to bring a heat input to the process (100) thereby generating a flue gas (52), - pre-heating the ammonia stream (S3), said preheating being realized in a first heat exchanger (4) arranged to heat the ammonia stream by heat exchange with the flue gas, - sending the pre-heated ammonia stream (12) to a vaporizer (5) and vaporizing (S4) said pre-heated ammonia stream, - sending the vaporized ammonia (14) from said vaporizer (5) as said feedstock stream (S6) and/or sending the vaporized ammonia from said vaporizer as said fuel to said combustion (S11).
Absstract of: WO2026032554A1
The invention relates to a catalyst system for cracking ammonia into hydrogen and nitrogen, comprising at least one tube having an axis extending centrally through the interior of the tube, wherein at least two coaxially arranged regions are formed in the tube in the form of a first region along the central axis and at least one further region surrounding the first region, and wherein the first region contains a first catalyst material and the at least one further region contains at least one further catalyst material, characterised in that a) the first catalyst material has at least one metal selected from the group consisting of noble metals and non-noble metals and b) the at least one further catalyst material has at least one non-noble metal. The first and the at least one further catalyst material are different.
Absstract of: WO2026033405A1
A process and a related plant for decomposing ammonia and synthesizing a hydrogen-rich process stream by a direct cooling performed downstream of the decomposition reactor with a stream consists of, or essentially consists of, nitrogen and/or ammonia, where the decomposition of ammonia takes place in a thermal or autothermal chemical reactor.
Absstract of: WO2026032903A1
The present invention relates to an electrode for the electrolysis of, in particular, alkaline water solutions. The electrode has a 3D-knitted metal structure in the form of a net. The metal is predominantly made of nickel. The invention also relates to a corresponding electrolysis cell and its use for the electrolysis of alkaline aqueous solutions.
Nº publicación: US20260043153A1 12/02/2026
Applicant:
HONEYWELL INT INC [US]
HONEYWELL INTERNATIONAL INC
Absstract of: US20260043153A1
Systems and methods are provided for water electrolysis. The system includes an electrolyte material configured for the exchange of anions, a first electrode including a nickel-cobalt-phosphorus-based compound, and a second electrode, wherein the first electrode and the second electrode are configured to exchange the anions through the electrolyte material.
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