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914
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Updated on
03/04/2026 [07:05:00]
Results 625 to 650 of 914
Absstract of: CN121519108A
本发明公开了一种核壳结构二氧化钛载铱/氧化铱催化剂及其制备方法与应用，先将二氧化钛与前驱体水溶液混合经过水热反应得到水热产物，水热产物经洗涤、干燥后，再于特定气氛下煅烧后得到表面改性的二氧化钛载体；再将铱源与表面改性的二氧化钛载体于含有还原性物质的溶剂中，于避氧条件下加热反应后得到铱/改性二氧化钛中间体；将铱/改性二氧化钛中间体经酸洗和分段控温热处理得到二氧化钛载铱/氧化铱催化剂。本发明显著增强铱活性组分的分散度及其与载体的相互作用，制备工艺简单、成本可控、催化活性高且稳定性优异。
Absstract of: CN121518072A
本发明公开了一种聚苯硫醚隔膜‑聚四氟乙烯垫片粘接用环氧胶粘剂及其制备方法，属于碱性电解水制氢技术领域，一种聚苯硫醚隔膜‑聚四氟乙烯垫片用环氧胶粘剂，原料包括A组分和B两组分；其中，所述A组分包括环氧树脂、单官能团型苯环刚性结构稀释剂、硅烷交联改性纳米氧化锆粉末、聚苯硫醚微米级粉末、纳米碳化硅粉末、助剂；所述B组分为胺类固化剂。本发明制备的胶粘剂具有耐强碱、耐高温、对基材有高适配性和低VOC等多方面的优点。
Absstract of: CN121519081A
本发明涉及一种再生烟气中CO2的转化方法及系统。本发明中将水送入电解水装置中进行电解，得到外部氧气和外部氢气；将所述外部氧气作为助燃气送入气体换热器与高温低压烟气换热后得到高温助燃气和低温低压烟气，将所述高温助燃气送入催化裂化再生器中进行再生烧焦，将所述低温低压烟气分为循环烟气和待转化烟气，将待转化烟气送入CO2电化学转化单元进行电化学转化反应，得到合成气和再生氧气。本发明充分提高了催化剂的再生效率、降低处理尾气中的CO2排放量，实现了处理装置的合理配置以及电解水副产氧气的高效利用，提高经济效益的同时达到了环境保护的目的。
Absstract of: CN121519103A
本发明涉及一种氮硫共掺杂碳包覆CoS2析氧电催化材料及其制备方法，属于电催化材料技术领域，包括以下步骤：取钴盐溶液与钴氰化钾溶液反应制得钴氰化钴前驱体；在惰性气氛下，对钴氰化钴前驱体进行高温热处理，得到中间产物；在惰性气氛下，以硫为硫源，对中间产物进行硫化处理，制得氮硫共掺杂碳包覆CoS2析氧电催化材料。本发明方法采用廉价的过渡金属化合物作为原料，具有制备工艺简单，容易控制，便于规模化生产等优势。采用本发明方法制得的氮硫共掺杂碳包覆CoS2析氧电催化材料在碱性条件下具有优异的析氧催化活性，且化学稳定性好。
Absstract of: CN121519079A
本申请实施例公开一种基于三维正弦型曲线流道的流场板及质子交换膜水电解槽，流场板包括至少一条流道；流道包括若干依次排列且相互平行的流道段，相邻的流道段之间通过圆弧段交替首尾平滑连接；流道段由第一正弦型曲线流道和第二正弦型曲线流道交汇形成，在平行于流场表面的方向，第一正弦型曲线流道沿第一正弦型曲线延伸；在垂直于流场表面的方向，第二正弦型曲线流道沿第二正弦型曲线延伸，并在第一正弦型曲线流道的底面交汇形成间隔分布的凹坑，在第一正弦型曲线流道的侧面交汇形成间隔分布的侧洞。本申请实施例能够提升流体传输效率、优化气泡脱附与排放、改善温度均匀性，大幅度提升反应物的供给、产物的排出和系统的稳定性。
Absstract of: CN121519075A
本发明公开了一种制氢模块用新型结构的多功能水箱，包括箱体主体，箱体主体顶端设置有上盖组件，箱体主体底部设置有若干个辅助固定组件，箱体主体内设置有防浪组件，箱体主体前侧设置有呈上下布局的第一传感器、第二传感器、第三传感器，上盖组件上设置有鼓风机，上盖组件上位于鼓风机侧部设置有回水接口组件。本技术方案的水箱，结构设计巧妙，实用性较强，水箱强度高，且密封性好，具有一定的耐压能力，不会漏水漏气，具有水位监控，温度和电导率监控，自动进水和排水，以及气体排出等功能，运用此水箱结构，保证了制氢模块的正常工作，箱体内部的防浪板结构，有效防止了回水对内部水体的干扰，有效保证了制氢过程的稳定性和效率。
Absstract of: CN121519102A
基于钨球限域与原位转化策略构筑的酸性电解水多金属复合电催化剂及其制备方法和应用，它涉及多金属复合电催化剂的制法及应用。它是要解决现有的多金属电催化剂在酸性电解水中的催化活性、稳定性和可扩展性差的技术问题。本发明的催化剂是由W多酸团簇构筑的粒径为200~600nm球体，RuO2纳米晶与MnCO3镶嵌在球体表面并均匀分布在球体内部。制法：一、制备W球基底；二、制备W‑Mn‑Ru前驱体；三、制备W‑MnCO3/RuO2电催化剂。它在酸性OER和HER中，在电流密度为100 mA cm‑2时的电位分别为1.489 V和‑0.145 V，可用于在绿色能源转化和储存技领域。
Absstract of: CN121513907A
本申请属于催化剂制备技术领域，具体涉及一种ZnIn2S4/CoAl2O4复合催化剂及其制备方法和应用。该方法先将Co(NO3)3·6H2O、Al(NO3)2·9H2O、尿素和NH4F分散于水中，搅拌，转移至反应釜中，然后置于恒温烘箱中进行反应，离心，洗涤，干燥，煅烧，最后分散于甘油和水的混合溶液中，加入ZnCl2、In(NO3)·4H2O和TAA，搅拌直至形成均匀溶液后，置于油浴中加热，洗涤，干燥，即得。本发明成功制备了一种II型异质结光催化剂，并实现了高效的光催化析氢性能。其中，CAO与ZIS的结合不仅有效抑制了ZIS的团聚现象，还显著增加了材料的比表面积，提供了更多的活性位点。
Absstract of: CN121519089A
本发明涉及光电催化材料领域，提供了一种铁电型异质结电极及其制备方法和在光电催化领域的应用，旨在双S型异质结中引入额外的内置电场，提高光生电荷的分离和利用效率。所述制备方法包括：制备TiO2纳米管阵列，在TiO2表面生成铁电体SrTiO3，形成SrTiO3/TiO2异质结，进一步在异质结表面生成g‑C3N4，形成g‑C3N4/SrTiO3/TiO2双S型异质结。所述电极将铁电体SrTiO3分布到TiO2和g‑C3N4之间，形成双S型三元异质结电极，铁电体的内置极化电场与异质结界面电场之间形成“多场耦合”效应，提高了光生电荷的分离和转移效率，同时保持了较强的氧化还原能力，有效提高光电催化性能。
Absstract of: CN121513760A
本公开属于电能转化技术领域，提供了一种二氧化碳甲烷化反应器。该反应器包括电解单元和化学催化单元，二者均设置于支撑体上；电解单元包括若干固体氧化物电解池单元，用于电解二氧化碳和水产生一氧化碳和氢气；化学催化单元用于接收一氧化碳和氢气以及电解产生的废热，以进行化学催化反应，从而制备甲烷；支撑体为NiO与氧化锆基电解质、造孔剂的混合物，氧化锆基电解质选自YSZ、ScYSZ中的至少一种。本公开的反应器使得化学催化反应在常温下即可进行，无需高压。其将电解和化学催化相结合，实现了一体化制备，有效降低了反应的能耗，将可再生能源转化为易于储存和运输的甲烷，转化率高。
Absstract of: WO2025028379A1
Provided is an ammonia decomposition catalyst that has a high ammonia decomposition activity even at a low reaction temperature and a low reaction pressure, and has stable catalyst characteristics even when repeatedly used in reactions after being exposed to water or the atmosphere. A barium nitride according to the present invention is represented by general formula (1). (1): BaAN2-x (In general formula (1), A is at least one type of element selected from the group consisting of Si, Fe, Ni, Mo, and Zr, and x represents a numerical value represented by 0≤x<2.0.)
Absstract of: CN116439627A
The invention is applicable to the technical field of cleaning appliances, and discloses an integrated water tank capable of cleaning and separating, which comprises a clean water tank, a sewage tank and a water tank cover, the clean water tank contains and outputs clean water to a cleaning tool, the top wall is provided with a water outlet, and the inner wall of the bottom wall is connected with a water pumping joint; the sewage tank collects sewage output by the cleaning tool, the peripheral wall and the bottom wall of the sewage tank are closed, and only the top is open; the water tank cover can cover the clear water tank and the sewage tank from the top at the same time, a clear water outlet and a sewage inlet are formed in the water tank cover, the water tank cover is directly or indirectly connected with a water pumping pipe which is arranged in the clear water tank and communicated with the clear water outlet, and the other end of the water pumping pipe is communicated with a water pumping connector. The clean water tank and the sewage tank of the water tank can be detached independently, and the whole water tank is convenient to assemble and maintain; the clear water outlet and the sewage inlet arranged on the water tank cover are far away from the water tank electricity-taking interface, so that short circuit of the electricity-taking interface caused by water tank leakage can be avoided.
Absstract of: CN121519104A
本申请属于电催化材料技术领域，公开了一种钌钴双金属掺杂的二硫化钼析氢电催化材料的制备方法，包括以下步骤：制备离子液体并用其对碳布进行亲水性改性；一锅法制备Co掺杂且负载在改性碳布上的MoS2；对Co‑MoS2/MCC在管式炉中高温退火得到富含Mo空位的催化剂；采用还原成键技术向Co‑MoS2/MCC中引入Ru，最终得到钴钌双掺杂的CoRu‑MoS2/MCC。本申请在碳布上进行离子液体亲水性改性，再负载Co掺杂的MoS2，经高温退火造取富含Mo空位的催化剂，通过还原成键技术使Ru元素掺杂其中，形成钴钌双掺杂的MoS2复合材料，将MoS2的层状结构优势与Co、Ru的高电催化活性结合起来，从而提升材料的析氢电催化性能。
Absstract of: CN121513930A
本公开提供一种碳自掺杂氮缺陷催化剂的制备方法及碳自掺杂氮缺陷催化剂、制氢方法以及还原方法，涉及光催化剂技术领域，包括：将尿素和尿酸混合，经搅拌和煅烧处理后，得到碳自掺杂的g‑C3N4基底材料；对所述碳自掺杂的g‑C3N4基底材料在惰性气氛下进行煅烧，制得碳自掺杂氮缺陷催化剂。本公开能够提高碳自掺杂氮缺陷催化剂的光催化性能。
Absstract of: CN121513890A
本发明涉及氨分解制氢的技术领域，公开了一种基于二氧化铈反相催化剂进行氨分解制氢的方法，包括如下步骤：（1）将镍前驱体、钴前驱体、铁前驱体混合作为金属前驱体，将金属前驱体和二氧化铈粉末混合，得到A溶液；配制碱溶液作为B溶液；（2）将B溶液滴加至A溶液的同时进行搅拌，滴加完成后，经离心、干燥、有氧焙烧，得到反相催化剂；（3）将氨气与反相催化剂接触反应，温度为400~500℃，压力为0.01~1MPa，得到氢气。本发明通过多元金属组分设计、界面协同构筑与制备工艺优化，形成二氧化铈小颗粒锚定和高度分散在Ni‑Co‑Fe多元金属氧化物载体的反相催化剂，从而实现高效催化活性。
Absstract of: CN121521676A
本发明公开了一种用于电催化析氢材料的检测装置，本发明涉及电化学检测技术领域，包括底板，以及固定在其顶部的电解池，所述电解池的外表面固定安装有电源，所述电源的正负极均连接有导线，所述导线的端部固定安装有电极棒安装件，所述电解池顶部的两侧可拆卸安装有密封盖，所述电解池两侧分别安装有氧气收集机构与检测机构。该用于电催化析氢材料的检测装置，通过密封盖防止空气进入电解池影响实验结果，检测机构通过激光位移传感器实时检测位移件位置变化，进而计算产氢量和产氢速率，电极棒安装件稳固安装电极棒，提高了电极安装的稳定性，还能适应不同直径的电极棒，减少了接触电阻带来的测量误差，确保了实验数据的准确性。
Absstract of: CN121519090A
本发明提供了一种稀土掺杂的雷尼镍电极、制备方法及应用，步骤包括：对导电基材进行粗化处理；采用喷涂工艺，将复合粉末喷涂并沉积于所述导电基材上，得涂层导电基材；将所述涂层导电基材置于碱性溶液中进行活化处理，得所述稀土掺杂的雷尼镍电极；其中，所述复合粉末包括镍粉、铝粉、稀土组分的粉末。稀土组分的引入能够改善镍的电子结构，提高电极的导电性和催化活性，降低析氢过电位。喷涂工艺使不同粒径的粉末形成一层一层堆叠起来的致密且均匀的涂层，增强了耐腐蚀性和机械强度。本发明无需复杂的设备和高昂的成本，且稀土元素添加量较少，适合大规模工业化生产。
Absstract of: CN121516935A
本发明公开了一种低过电势高稳定性的NiFeCu氢氧化物的制备方法，属于电解水催化材料制备技术领域。所述低过电势高稳定性的NiFeCu氢氧化物的制备方法，包括如下步骤：将镍盐、铁盐、铜盐、聚乙烯吡咯烷酮和水混合，得到混合液；以导电基底作为阴极和阳极，在所述混合液中进行电沉积，形成所述NiFeCu氢氧化物。本发明采用“一锅”的电沉积法，在反应体系中加入PVP作为结构导向剂，将所有原料混合均匀后，通过控制电沉积的反应时间和电流密度，调节反应速率，从而控制催化材料的形貌，制备低过电势高稳定性的NiFeCu氢氧化物，适用于电解水制氢领域。
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.
Absstract of: CN121519099A
本发明公开了一种P掺杂Bi4Si3O12‑Bi12SiO20异质结光电催化材料及其制备方法和应用，制备方法包括：取Bi(NO3)3·5H2O加入乙二醇中搅拌至溶解得到溶液A；取九水硅酸钠加入去离子水中，搅拌至溶解得到溶液B；将溶液B逐滴加入溶液A，搅拌至均匀得到混合溶液，加入磷酸钠，搅拌至均匀得到溶液C；调节溶液C的pH值至3~14，向溶液中加入CTAB，搅拌至均匀后填充进反应釜内衬中，置于水热烘箱中100~220 °C反应6~48 h，烘箱内温度降至室温后取出反应釜冷却，经过离心、洗涤、干燥得到粉体，即P掺杂Bi4Si3O12‑Bi12SiO20异质结光电催化材料，P掺杂Bi4Si3O12‑Bi12SiO20异质结的构建促使界面电荷转移，改善光生电荷分离，提高了长寿命电荷的产率，从而抑制了电荷重组，大幅度提高了光电催化水裂解的效率。
Absstract of: US20260008042A1
The present disclosure is directed to a processing solution composition comprising a metal salt, an acid, a solvent, and a non-metal reductant. The present disclosure is also directed to a method of impregnating a porous material by covering or coating the porous material with a processing solution comprising a metal salt, an acid, a solvent, and a non-metal reductant.
Absstract of: WO2024252801A1
Provided is a hydrogen gas production system capable of producing, with a high recovery rate, a hydrogen gas having a deuterium D content ratio equal to or higher than that in raw material water. A hydrogen gas production system 100 according to the present invention comprises: a first tank 10 that accommodates raw material water including heavy water; an electrolysis device 30 that electrolyzes the raw material water to generate a hydrogen gas; a reservoir 50 that stores the hydrogen gas; a liquid feed device 20 that feeds the raw material water from the first tank 10 to the electrolysis device 30; and a gas feed device 40 that feeds the hydrogen gas generated in the electrolysis device 30 to the reservoir 50. In the system 100, the liquid feed device 20 is controlled so as to replenish the raw material water from the first tank 10 to the electrolysis device 30 as the raw material water remaining in the electrolysis device 30 decreases, the gas feed device 40 is controlled so as to continuously feed the hydrogen gas generated in the electrolysis device 30 to the reservoir 50 before, during, and after the replenishment, and the reservoir 50 stores the hydrogen gas generated in the electrolysis device 30 before, during, and after the replenishment.
Absstract of: AU2024304508A1
According to the invention, electrodes are arranged on two opposite surfaces of a separator. Each electrode consists of an open-pore metal structure, in particular a metal foam made of at least one of the chemical elements Ni, Al, Mo, Fe, Mn, Co, Zn, La, Ce, or an alloy of at least two of said chemical elements or an intermetallic compound of at least two of said chemical elements. A continuously decreasing catalytic activity is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode, and/or a continuously increasing porosity and/or pore size and/or a continuously decreasing specific surface area is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode.
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
Nº publicación: WO2026032632A1 12/02/2026
Applicant:
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
SIEMENS ENERGY GLOBAL GMBH & CO. KG
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).
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