Resumen de: CN121372191A
本发明涉及可再生能源规模制备技术领域,尤其涉及了一种阶梯进样光催化分解水制氢进样装置,包括光催化进样器、进样器中空隔层、端口催化剂磁吸器皿、内腔,端口催化剂磁吸器皿内部设置磁力转子,光催化剂进样器外部包裹进样器外层聚光套,光催化剂进样器内部设置进样器中空隔层,中空隔层与内腔之间设置钢化玻璃,阶梯双轨道为侧壁横开的双轨道,内部设有缓压端口。本发明用于光催化制氢进样系统,在光催化剂进样器内设阶梯双轨道,增大光催化剂通过进样器进入反应器速率,降低了催化剂损耗,促使进样器内腔与催化剂磁吸器皿之间出现压力差,将光催化剂在进样阶段均匀分散,提高光催化剂利用效率,节省运行费用,减少进样器损耗。
Resumen de: CN121378629A
本发明涉及一种共价有机框架(COF)纳米颗粒的制备方法。该方法采用聚乙烯吡咯烷酮作为位阻稳定剂,调控成核与生长行为,获得均匀分散的纳米级COF胶体,解决传统工艺制备颗粒尺寸偏大、激子利用率低的问题。所述纳米COF材料在光吸收与电荷分离方面表现较优,可有效抑制激子复合,提升载流子生成与传输效率。该材料适用于光催化析氢等反应,并在同类条件下体现出稳定可重复的性能,适合于规模化应用的进一步开发。
Resumen de: CN121381019A
本发明公开了一种多孔传输层的制备方法,包括如下步骤:1)将含钛金属的粉末颗粒与有机溶剂混合均匀,获得混合浆料;2)将步骤1)得到的混合浆料涂覆于钛基材料表面,干燥后,得到预制气水传输层;3)将步骤2)得到的预制气水传输层进行真空烧结,冷却,得到多孔传输层。本申请的多孔传输层,仅采用含钛金属的粉末颗粒和有机溶剂的浆料体系,涂覆至钛基材料后,通过在中低温(500‑900℃)的真空条件下(≤10‑3Pa)烧结制备,可确保钛颗粒间形成烧结颈的同时,保持涂层微孔结构完整性和与钛基材料间的结合强度;相对于现有钛烧结温度≥1000℃,不仅可显著降低烧结能耗,还可避免过度烧结引起的钛颗粒涂层孔隙率降低等问题。
Resumen de: CN121380996A
本发明属于电解水制氢领域,提供一种质子交换膜电解槽极板的新型交指流道结构,包括极板主体和极板上设置的入口流道与出口流道;入口流道包括入口主流道、多个入口次流道和入口支流道;出口流道包括出口主流道、多个出口次流道和出口支流道;入口支流道与出口支流道相互平行并依次交替设置,形成交指型结构;所述入口支流道和出口支流道互相平行,并依次交替均布在所述质子交换膜电解槽极板上,形成交指型结构。该流道结构提升了流道内流体分布的均匀性,进一步降低电解过程中的压力损失与阻抗损失,从而提升了电解槽的整体性能。
Resumen de: CN121377061A
The invention discloses a collaborative optimization control method and system for fluctuating green hydrogen purification and ammonia synthesis, and belongs to the technical field of renewable energy source hydrogen production. The control method comprises the steps that fluctuating green hydrogen is subjected to multi-stage purification to generate high-purity hydrogen; high-purity hydrogen and nitrogen are mixed according to the dynamically optimized hydrogen-nitrogen ratio to generate hydrogen-nitrogen mixed gas, and the hydrogen-nitrogen mixed gas is input into a synthesis ammonia reactor for synthesis ammonia reaction; with the purpose of minimizing the comprehensive cost, collaborative optimization control is carried out on the processes of multi-stage purification, mixing and synthesis ammonia reaction. Dynamic purification of hydrogen and precise matching of hydrogen and nitrogen are achieved, efficient conversion from fluctuating green hydrogen to synthesis ammonia is completed, and the device is particularly suitable for green ammonia production under the fluctuating condition of wind and light power generation.
Resumen de: CN121381043A
本发明公开了一种莫特肖特基异质结电催化材料及其制备方法和用途,该莫特肖特基异质结电催化材料的分子式为Co/VN@DDC,制备方法为:制备钴钒金属有机框架,记为CoV‑MOF;将所述CoV‑MOF与三聚氰胺混匀后,在惰性气氛中,以程序升温的方式进行退火,得到所述莫特肖特基异质结电催化材料。本发明的有益效果在于:通过利用莫特‑肖特基界面,大大增加了活性位点的可用性,并提高了氢吸附能力。由此产生的Co/VN@DDC异质结在各种pH值条件下都表现出卓越的HER性能,证明了其作为pH值通用型HER催化剂的潜力。
Resumen de: CN121380976A
本发明公开了一种氧化镍负载铂的析氢催化剂的制备方法,属于催化材料技术领域。制备方法的主要步骤为,称取四水合乙酸镍与石墨各0.2 g,研磨均匀,随后转移至马弗炉中,在空气氛围450~750℃煅烧1~3 h,得到前驱体A,称取4~18 mg前驱体A,置于一定量的浓度为0.2~1.5 mmol L‑1的H2PtCl6溶液中,超声30~60 min,随后,在反应釜中160~200℃下加热5~10 h完成水热反应,冷却至室温后,进行抽滤、干燥,即得到所制备的催化剂。本发明所制备的催化剂具有与商业Pt/C相当的催化效果,且铂的使用量较商业Pt/C显著降低,具有商业应用前景。
Resumen de: CN121381003A
本发明涉及碱性水电解制氢装置技术领域,具体公开了一种压扁电极与集流体的整体焊接结构及其制备工艺,其中,压扁电极与集流体的整体焊接结构包括集流体基板、乳突阵列、压扁电极以及焊接层。本发明显著降低了界面电阻,提升了能效,直接降低了制氢成本;增强了结构稳定性与运行可靠性,延长了设备寿命;优化了电流分布,提升了反应效率与一致性;工艺兼容性好,易于实现规模化生产;实现了“结构”与“功能”的统一。
Resumen de: CN121381074A
本发明公开了一种聚芳烷基阴离子交换膜及其制备方法与应用,属于电解水制氢技术领域,本发明在主链中引入高度疏水的全氟烷基侧链和亲水的脲基侧链,利用亲疏水热力学不相容性构建离子传输通道,而离子通道的形成便于传输氢氧根离子。引入的脲基间形成的氢键网络也促进了离子的高效传输,从而提高电导率。在机械性能上,一方面较低的离子交换容量(IEC)可以抑制过度溶胀,提升湿态下机械性能;另一方面脲基引入构建的氢键,增强了聚合物分子链间的相互作用力,提高链间缠结性,从而赋予阴离子交换膜更好的机械性能。本发明有效解决了现有用于阴离子交换膜水电解池中阴离子交换膜高离子电导率和湿态下机械性能之间的相互制约效应。
Resumen de: CN121381030A
本发明公开了一种钼酸镍/云母复合材料及其制备方法和应用,属于电解水催化剂技术领域。包括钼酸镍和云母,所述钼酸镍负载在云母上。其制备方法包括将云母粉预处理;称取云母粉、镍粉和钼粉混合后进行球磨,干燥,得前驱体;将前驱体研磨筛分,然后进行煅烧。本发明首次将钼酸镍与云母进行复合,利用云母的层状结构和优异化学稳定性,为钼酸镍提供了稳定的支撑基底,有效抑制了活性组分的团聚与脱落,所制备的复合材料具有催化活性高、机械强度好、结构稳定及成本低廉等优点,是一种析氧反应过电位低、本征活性高、运行稳定性好的新型电催化剂,可直接作为电极材料用于电解水析氧反应,具有很高的使用价值和广阔的应用前景。
Resumen de: CN121381081A
本发明公开了一种电解槽气液比例监控系统与方法,系统主要包括:安装于电解槽本体的可视化监控模块、气液比例检测模块及调控执行模块,各模块与数据处理单元电连接。可视化监控模块用于实时采集电解槽内气泡的形态、数量、运动轨迹及分布图像;气液比例检测模块用于检测电解槽内电解液液位及生成气体的实时流量;数据处理单元用于对气泡图像进行分析,并且计算气液比例;调控执行模块调节电解槽的进液量或电解电流,以维持预设气液比例范围。本发明实现了对电解过程中气泡生成、分布及变化的实时观察与分析,对电解槽内气液状态的精准调控,有效提升电解反应的稳定性和效率,降低因气液比例失衡导致的能耗增加或设备损坏风险,适用于水电解、氯碱工业等各类电解工艺场景。
Resumen de: CN121395348A
The invention discloses a multi-energy collaborative optimization method for an offshore wind plant cluster collection system, and the method comprises the steps: building a corresponding energy storage equipment model, a hydrogen load matching strategy, a hydrogen energy income model, and a wind power-controllable load collaborative model through the fusion of multi-energy equipment, and taking a multi-energy coupling model as a new optimization variable. Constructing a collaborative optimization mechanism for the collection system, wherein the collaborative optimization mechanism comprises a power collaborative distribution mechanism and an equipment capacity and collection system matching mechanism; taking the comprehensive benefit of the power transmission line as an optimization target of the collection system, establishing a collection system constraint and a multi-energy equipment constraint, and forming an optimization target system; and finally, based on the optimization target system, solving the optimal collaborative topology of the collection system by adopting an improved genetic algorithm based on a dynamic variable weight minimum spanning tree. An offshore wind power cluster collection system is combined with multi-energy equipment, the optimal collaborative topology of the system is solved, and the wind curtailment cost is further reduced and the comprehensive benefits of the system are improved by stabilizing residual fluctuation through energy storage and ab
Resumen de: CN121381062A
本发明公开了一种非贵金属Ni基析氧催化剂的制备方法及应用。本发明所提供的催化剂包括硒化镍纳米颗粒和负载于所述硒化镍纳米颗粒表面的石墨烯量子点;其中,所述石墨烯量子点和所述硒化镍纳米颗粒的质量比为(1~8):50。本发明通过简单的水热反应便可在硒化镍表面负载石墨烯量子点,不但制备方法简便,而且制得的催化剂在降低成本的同时能够大幅度的降低析氧反应的过电位,在阴离子交换膜电解槽中具有较高的电化学性能和稳定性,具有广阔的应用前景。
Resumen de: CN121381049A
本发明公开了一种Fe3O4‑CoFe2O4/MoS2复合析氧电催化剂的制备与应用,属于催化技术领域。本发明采用简单的溶剂热方式将MoS2复合到NF支撑的Fe3O4‑CoFe2O4中,以制备高效的阳极析氧电催化剂。本发明制备的催化剂兼具高效电子传输通道与稳定活性界面的复合体系,在碱性条件下展现出优异的催化活性和长久的稳定性,因而具有大规模应用的潜力。
Resumen de: CN121372238A
The invention discloses a skid-mounted green methanol dynamic preparation system which comprises a double-electrolytic-cell parallel module, a low-concentration COdirect use module, a micro-channel methanol synthesis reactor, a three-state storage and transportation switching unit and an intelligent control module. The system responds to electricity price fluctuation through a double-electrolytic-cell parallel module to intelligently produce hydrogen, low-concentration industrial tail gas is directly treated through a composite membrane separation and pressure swing adsorption combined technology, a micro-channel reactor and a high-performance catalyst are adopted, rapid synthesis of methanol through COO is achieved, a liquid state storage and transportation unit, a gas state storage and transportation unit and a solution state storage and transportation unit are integrated, and energy conservation and emission reduction are achieved. Multi-state switching is achieved through intelligent control, and the problems that in the traditional technology, the wind-light-electricity adaptability is poor, the low-concentration COS utilization threshold is high, the storage and transportation form is single, and response is slow are solved.
Resumen de: CN121381075A
The invention discloses a preparation method of a functional composite diaphragm, and relates to the technical field of hydrogen production through water electrolysis. The preparation method comprises the following steps: preparation of a membrane casting solution: mixing a polymer and a solvent, heating and dispersing to prepare a uniform polymer solution; the method comprises the following steps: mixing zirconium oxide, a coupling agent and a solvent, and performing ultrasonic dispersion to obtain an inorganic material dispersion liquid containing the coupling agent; under a stirring condition, adding the dispersion liquid into the polymer solution, and continuously stirring to obtain a uniform membrane casting solution; base membrane forming: coating a polyphenylene sulfide supporting net with the membrane casting solution, standing at room temperature, and drying in a drying oven to obtain a composite base membrane; and surface modification: sequentially dipping the composite base membrane in a first organic alkali solution and a second organic alkali solution, washing with a solvent after each dipping, and obtaining the functional composite diaphragm after washing.
Resumen de: CN121381080A
本发明涉及电解水制氢技术领域,公开了一种碱性电解水制氢阵列自适应优化运行方法和装置,本发明通过实时获取并分析各电解槽的运行参数,系统能够动态生成精确的健康状态值,实现了对电解槽性能衰减的实时感知与量化评估;在此基础上,结合风光预测功率与系统需求所确定的总功率,以及基于安全运行边界确定的阵列目标工况,系统能够依据各电解槽的健康度进行前瞻性的运行状态调配。这不仅将运维模式从“故障后被动处理”转变为“衰退前预见性维护”,还有效规避了非健康槽的过载运行风险,同时优化了健康槽的负载分配,从而在保障系统安全稳定、延长电解槽整体寿命的同时,显著提升了制氢阵列的运行效率与经济性。
Resumen de: CN121395525A
The invention provides an intelligent regulation and control system for photoelectric flexible hydrogen production. The system puts forward a multi-energy flow cooperative control concept in a breakthrough manner, constructs a multi-time scale and multi-space granularity source, network, load, storage and use cooperative optimization control model, carries out unified scheduling on new energy power generation power, electrolysis power, hydrogen storage pressure and hydrogen transmission flow, and ensures electric power balance and hydrogen balance. The system also fully considers the dynamic coupling characteristics of each process, avoids the problems of supply and demand imbalance and frequent adjustment of traditional single-process control, and realizes intelligent hydrogen production operation with high efficiency, low energy consumption and low cost.
Resumen de: CN120882907A
A system and method for generating hydrogen from a liquid source comprising water is disclosed. The system comprises: a high fluid velocity electrolysis cell comprising an inlet and an outlet, the inlet of the high fluid velocity electrolysis cell being fluidly connected to a liquid source; and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolysis cell.
Resumen de: AU2024257970A1
Process for synthesis of ammonia wherein: ammonia make-up gas (7) containing hydrogen and nitrogen is reacted in an ammonia converter (15) under ammonia forming conditions thus obtaining an ammonia-containing effluent (8); a first hydrogen portion contained in the ammonia make-up gas (7) is produced by reforming a hydrocarbon source (1) in a reforming process (100); a second hydrogen portion (19) contained in the ammonia make-up gas (7) is produced separately from said reforming process (100), by using at least a renewable energy source (SE, WE); a part of said hydrogen (19) produced in step (c) is stored in a hydrogen storage (103); hydrogen (20) from said hydrogen storage (103) is used to fully or partially replace said second hydrogen portion (19) when said renewable energy source (SE, WE) is fully or partially unavailable. Said process comprising the steps of: assessing an expected flow rate of the hydrogen (19) produced in step (c); adjusting a flow rate of the hydrocarbon source (1) so that a flow rate of the first hydrogen portion in said ammonia make- up gas (7) is in a desired ratio with respect to said expected flow rate; detecting an actual amount, e.g., a filling level, of said hydrogen in said hydrogen storage (103); detecting an actual flow rate of hydrogen produced using the renewable energy source (SE, WE), and adjusting a flow rate of the hydrogen (20) from said hydrogen storage (103) depending on said actual amount detected in said hydrogen storage (103) and
Resumen de: CN121381034A
本发明涉及电解海水制氢催化剂技术领域,具体涉及一种用于安培级大电流电解海水的异质MoOx/CoFe‑LDH催化剂及其制备方法和应用,该制备方法制备方法,通过在泡沫镍片上引入具有高价态的MoOx作为纳米阵列基底,再通过电沉积在纳米阵列基底表面原位覆盖CoFe‑LDH层,构建CoFe‑LDH与MoOx的异质结构作为抗氯层,制得异质MoOx/CoFe‑LDH催化剂。所制得的异质MoOx/CoFe‑LDH催化剂具有优异的电催化活性、导电性和耐腐蚀性优点,提升海水电解体系在大电流条件下的使用寿命和电解性能,实现安培级大电流稳定海水析氧。该催化剂可直接作为工作电极使用,工艺简便,在海水电解制氢析氧反应中具有很好的应用前景。
Resumen de: CN121381015A
本发明属于电解技术领域,具体涉及一种具有高强度的电极片及其制备方法与应用。本发明的电极片,包括n层基底层、n‑1层树脂碳层、第一微孔层和第二微孔层;电极片自上而下依次为:第一微孔层、第一基底层、第一树脂碳层、第二基底层、第二树脂碳层、…、第n‑1基底层、第n‑1树脂碳层、第n基底层及第二微孔层,其中n的数值为3‑10。本发明通过在基底层内部以及基底层之间填充树脂碳,通过巧妙的设计将多张碳纸形成适用于具有高强度高导电、高透气的电解合成双氧水用碳纸,同时,在通过对其设计双侧涂覆致密微孔层后,在保证氧扩散能力的前提下,进一步提高电极片的防水性,从而适用于电解合成双氧水。
Resumen de: CN121373806A
本发明公开了一种用于低压环境下高活性超亲水疏气电极及其制备方法和应用,涉及电催化领域。制备方法包括以下步骤:取镍纤维毡清洗、干燥后,组装三电极系统,采用循环伏安法进行线性扫描,清洗、干燥得前驱体;采用飞秒激光加工设备进行扫描刻蚀,扫描间距为25‑300μm,形成周期性的纳米级和/或微米级结构,制备得到电极。本申请通过飞秒激光诱导亲水微纳米物理结构,进行表面重构,并通过优化扫描间距寻求高效传质和高活性位点的平衡,提高了OER反应催化活性以及高电流密度下的稳定性。具有制备工艺简便、机械强度高、传质效率优等显著优势,有利于电解水制氢设备在高海拔低气压的极端环境中稳定运行。
Resumen de: CN121381014A
本发明公开一种一体式双极板的制备方法及PEM电解槽结构,涉及电解水制氢的技术领域,该方法包括:对金属钛粉进行连续轧制处理,形成具有孔隙率和机械强度的多孔钛板生胚;依次在多孔钛板生胚上叠加铺设钛网、致密钛板以及钛网,形成复合叠层结构;钛网包括编织网、拉伸网和冲孔网,铺设层数为一层或多层;对复合叠层结构进行升温加压烧结,得到一体式双极板。本发明克服了现有的PEM电解槽结构在装配过程中存在的接触电阻大、电子传输效率低、组件错配率高等缺陷,显著提升了PEM电解槽的装配效率和电子传输效率。
Nº publicación: CN121381125A 23/01/2026
Solicitante:
武汉理工大学
Resumen de: CN121381125A
本发明公开了一种光电磁场耦合制备四氧化三钴的方法,包括如下步骤:1)在三电极体系中,引入钴源溶液,在光照和外加磁场条件下,在半导体光催化材料上电沉积,生长氢氧化钴材料;2)将所得复合材料进行退火处理,得四氧化三钴纳米片材料。本发明采用光电磁场耦合的方法在半导体光阳极材料表面生长四氧化三钴助催化剂,所得四氧化三钴材料在半导体材料表面分布均匀、尺寸可调,并有利于在四氧化三钴内部形成定向电子转移路径,催化性能优异;所需沉积电压较小,沉积时间短,可大规模制备;将所得四氧化三钴材料用作助催化剂,在中性电解液甚至海水中,仍可表现出较优异的光电催化水分解性能,适用性广。