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: 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: 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: 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.
Resumen de: 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
Resumen de: 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
Resumen de: 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
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: 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: 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: 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: 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: 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。
Resumen de: WO2026035873A1
Techniques for water electrolysis employing: a glass substrate layer; a transparent conductive oxide (TCO) layer including TCO electrical disconnects formed in the TCO; a photovoltaic (PV) layer including PV electrical disconnects formed in the PV layer, portions of the PV layer extending into the TCO electrical disconnects; a metal back contact (MBC) layer including MBC electrical disconnects formed in the MBC layer, portions of the MBC layer extending into the PV electrical disconnects; an insulating layer including insulating voids formed in the insulating layer to expose anode and cathode portions of the MBC layer, portions of the insulating layer extending into the MBC electrical disconnects; a metal conductor layer adjacent the insulating layer and including a metal conductor extending into insulating voids to form metal conductors electrically coupled to the exposed anode and cathode portions; catalyst coatings on the metal conductors electrically coupled to the anode and cathode portions.
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: WO2025051333A1
The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.
Resumen de: WO2026033985A1
Provided is a hydrogen production system (40) which comprises: an exhaust heat reception unit (41) that receives exhaust heat generated by an external exhaust heat source (11); a water vapor generation unit (42) that generates water vapor by heating water by means of the exhaust heat received by the exhaust heat reception unit (41); a cell stack (43) that electrolyzes the water vapor generated by the water vapor generation unit (42) so as to generate hydrogen; and a replenishment unit (44) that, when the amount of exhaust heat is insufficient with respect to the amount necessary for generating the required amount of water vapor, replenishes water, water vapor, or the water vapor generation unit (42) with heat, or replenishes the cell stack (43) with water vapor from an external water vapor supply source (95).
Nº publicación: WO2026035442A1 12/02/2026
Solicitante:
HYAXIOM INC [US]
HYAXIOM, INC
Resumen de: WO2026035442A1
A system includes at least one electrochemical device including a proton exchange membrane situated between an anode and a cathode. An oxygen separator is fluidly connected to an inlet to the anode and a hydrogen separator is fluidly connected to an outlet from the cathode. A separator tank fluidly interconnects an outlet from the hydrogen separator to an inlet to the oxygen separator.