Resumen de: 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.
Resumen de: 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.
Resumen de: 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
Resumen de: CN120569516A
The invention provides an electrolytic cell system (10). The electrolytic cell system comprises a heat storage unit (14) and an electrolytic cell (16). The heat storage unit (14) comprises at least one heat source feed inlet. The electrolytic cell (16) comprises at least one electrolytic cell cell (20), a steam inlet and at least one exhaust gas outlet. The exhaust outlet is connected to the heat source feed inlet to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to generate steam for one of feeding into the steam inlet at a time and generating electricity or both feeding into the steam inlet at the same time and generating electricity. The invention also provides a system comprising an intermittent or variable power source (12) and an electrolytic cell system (10) as defined above. The intermittent or variable power source (12) may be configured to simultaneously or separately power the electrolysis cell (16) and heat the heat storage unit (14) via a heating element.
Resumen de: MX2025009259A
A hydrogen generation system includes: a direct current (DC) power supply providing a driver signal, a reactive circuit coupled to the power supply and configured to generate a pulse drive signal from the driver signal, at least one reaction chamber coupled to the reactive circuit and receiving the pulse drive signal wherein the chamber is configured to generate hydrogen from feedstock material utilizing the pulse drive signal, a gas analyzer coupled to the at least one reaction chamber and configured to detect the generated hydrogen, and a control unit coupled to the reactive circuit and to the gas analyzer and configured to control the reactive circuit based on the detected hydrogen. The reaction chamber includes a plurality of positively charged elements and a plurality of negatively charged elements. The elements are composed of non-dis similar metallic material.
Resumen de: AU2024222987A1
A system, comprising: an electrolyzer having a plurality of electrolysis cells arranged in a cell stack, wherein the electrolysis cells are electrically connected in series and grouped into two or more cell groups, each cell group having an electrical contact at either end; an electrical circuit having one or more switches, each switch coupled between the electrical contacts of a respective one of the cell groups and configured to selectively disconnect the cell group from the cell stack by electrically bypassing the cell group via a lower resistance path, to thereby vary the number of active electrolysis cells in the cell stack; and a controller configured to determine the number of active electrolysis cells based on a variable amount of direct current (DC) electrical energy supplied to the cell stack by an electrical energy source, and to control the one or more switches based on the determination.
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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.)
Resumen de: 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.
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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.
Resumen de: 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。
Resumen de: CN121519080A
本发明涉及电解水制氢技术领域,公开了一种电解水制氢用装置及方法,包括电解槽,电解槽包括槽体,槽体的两侧均安装有循环出液口和循环进液口;电解液循环单元,电解液循环单元包括安装在槽体上的净化罐;净化罐的内部设置有拦截机构,拦截机构包括设置于净化罐内部的旋转轴,旋转轴的两侧安装有拦截盘,且拦截盘之间设置有多组拦截板。本发明通过设置拦截盘和拦截板的旋转拦截机构,实现了对电解液中较大颗粒杂质的初步高效拦截过滤,并且在拦截机构转动时,可以利用流入的电解液对拦截板进行反冲洗,实现了连续、高效的自清洁功能,有效防止了过滤孔的堵塞,显著提高了电解水制氢装置的整体运行效率和稳定性。
Resumen de: AU2024291792A1
The disclosure concerns a process of carbon oxides-free hydrogen production is disclosed. The process comprises the following steps: - heating a gas stream of a reacting compound including hydrogen atoms in absence of oxidizing agents, to thermally decompose the reacting compound into smaller product compounds, including hydrogen molecules, obtaining a stream of decomposition product compounds; - separating hydrogen molecules from other product compounds of the stream of decomposition product compounds; - reacting a portion of the stream of separated hydrogen molecules with a stream of an oxidizing agent, in particular oxygen or air, to obtain combustion product compounds, including steam and heat, in a stream of combustion product compounds; - providing heat obtained in the previous step to the step of heating the reacting compound; and wherein the process can comprise a step of - recovering energy from the stream of decomposition product compounds and/or from the stream of combustion product compounds. Additionally, a system of hydrogen production is also disclosed, the system being configured to operate according to the above process.
Resumen de: 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.
Resumen de: CN121513919A
本发明公开了一种用于可见光光解水制氢的MXene修饰TiO2/Cd0.3Zn0.7S异质结复合光催化剂的制备方法。其包括通过氢氟酸蚀刻MAX相(Ti3AlC2)制备Ti3C2 MXene,利用水热氧化技术将TiO2纳米片原位生长并锚定在Ti3C2 MXene表面形成Ti3C2@TiO2复合材料,再通过油浴加热负载Cd0.3Zn0.7S纳米颗粒制得最终复合光催化剂。该制备方法简单、条件温和、成本低廉,无需添加表面活性剂或模板剂。所制备的复合光催化剂具有优异的光催化分解水产氢性能,析氢速率高达48.92 mmol·g‑1·h‑1,较纯Cd0.3Zn0.7S与Ti3C2@TiO2分别提升43.67倍与99.83倍,且循环稳定性良好,4次循环后活性保持95%以上,在420 nm处表观量子效率达74.6%。本发明为高效光催化体系提供了新思路,适用于太阳能转化及环境净化领域。
Resumen de: 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。
Nº publicación: CN121513905A 13/02/2026
Solicitante:
上海歌地催化剂有限公司
Resumen de: CN121513905A
本发明涉及催化领域,特别是涉及一种整体式氨分解制氢催化剂及其制备方法和用途,所述整体式氨分解制氢催化剂包括蜂窝载体和活性涂层,所述活性涂层涂覆于所述蜂窝载体上;所述活性涂层包含钌、碱金属、复合金属氧化物以及碳材料;所述复合金属氧化物包覆碳材料;所述钌和碱金属负载在复合金属氧化物包覆的碳材料上。本发明所提供的整体式氨分解制氢催化剂具有较高的低温氨分解活性、较大的产氢速率和优异的长周期稳定性,且该催化剂技术制备工艺简单,能耗低,适合大规模生产应用。