Resumen de: CN119530868A
本发明涉及一种自支撑B掺杂NiFe LDHs析氧电极的制备方法和应用,属于碱性电解水制氢领域。本发明电极以泡沫镍为基底,基底上负载催化活性组分为B掺杂NiFe LDHs,所述B掺杂NiFe LDHs的形貌为在泡沫镍基底上生长多个由纳米片相互交错排列堆叠形成多孔的“纳米花球”结构组成,每个“纳米花球”的直径在500nm~2μm。本发明通过简单的一步浸渍法,获得直接垂直生长在泡沫镍基底上的B掺杂NiFe LDHs OER电极,在较温和条件下可以有效控制合成催化剂的形貌,具有较好的催化活性和稳定性。本发明可应用于可再生燃料电池、光电催化、碱性阴离子交换膜电解水、海水电解和电解氢气发生器装置中。
Resumen de: CN119530855A
本发明属于高熵纳米材料和电解水催化剂可控制备技术领域,具体公开一种基于二维高熵氢氧化物模板可控制备二维高熵硫化物高效电解水催化剂的制备方法。将至少五种金属前驱体分别加入去离子水中,之后加入氟化铵及尿素,超声混合均匀,进行搅拌反应,得到模板二维高熵氢氧化物;将所得二维高熵氢氧化物模板置于单温区管式炉的中间位置,然后在石英管中持续通入氩气,在氩气气氛下进行硫化反应,得到目标产品二维高熵硫化物。利用本发明关于二维高熵硫化物的合成方法,能够解决二维高熵硫化物合成温度高、元素分布不均匀、二维结构不稳定等问题,避免高温合成出现物相分离和偏析等现象,降低生产成本和工艺难度,合成一系列高性能二维高熵硫化物电解水催化剂。
Resumen de: CN119530865A
本发明公开了一种钯催化剂、其制备方法及应用,涉及催化剂技术领域。本发明以具有纳米线网状结构的富氧空位的WOx_C复合材料为载体,利用其强吸附作用以及热还原作用,强化了原子级钯与WOx_C纳米线载体的协同作用。本发明所提供的钯催化剂具有原子尺寸可调、催化活性和稳定性优异等优点。
Resumen de: CN119530880A
本发明属于制氢系统运行优化技术领域,提供计及效率寿命的多堆电解制氢系统运行优化方法及系统,所述方法包括:对多电解堆电解制氢系统的输入功率按照功率大小,由小到大进行分段划分,分为启动功率、最优功率、额定功率和过载功率四段;在各分段内,基于电池健康状态SOH,在设定时间间隔内按照实时健康状态对电解堆进行重新排序;对排序后的电解堆按照启动功率、最优功率、额定功率和过载功率的顺序,依次在段内根据多电解堆电解制氢系统的输入功率计算得到电解堆的运行功率,根据电解堆的运行功率对电解堆进行功率分配。本发明提高了能源利用率,还降低了运行成本,对电解制氢系统的经济性具有重要影响。
Resumen de: CN119530835A
本申请是关于一种碱性电解水制氢系统及其控制方法。碱性电解水制氢系统包括:气液分离组件;碱性电解槽,碱性电解槽的出口与气液分离组件的入口连通;热碱液槽,热碱液槽与气液分离组件的第一出口连通;第一循环泵,第一循环泵连通于气液分离组件和热碱液槽之间;第一三通阀,第一三通阀连接至热碱液槽的出口、冷碱液槽的出口和碱性电解槽的第一入口;第二循环泵,第二循环泵连通于第一三通阀和碱性电解槽之间;控制器,控制器用于控制第一三通阀切换至第一工作状态或者第二工作状态,第一三通阀处于第一工作状态时,热碱液槽的出口与碱性电解槽的第一入口导通,第一三通阀处于第二工作状态时,冷碱液槽的出口与碱性电解槽的第一入口导通。
Resumen de: CN119530821A
本发明公开了一种智能硒氢壶的控制方法,涉及智能硒氢壶技术领域,针对硒氢壶在制氢耗时,从基础温度开始,观察氢气在该温度下从设定浓度降低到下限浓度所需时间,从而得到该基础温度下氢气的逃逸速度,连续进行若干次,并在不同温度下进行相同处理,得到一个温度与核逃速度的对照表;同时对含氢量和制氢耗时间进行相同分析,最终能够得到温度与核逃速度、含氢峰值、制氢耗时的映射表;通过对氢气在不同温度下的核逃速度、含氢峰值和制氢耗时进行分析,同时结合对用户饮水习惯的分析,能够按照用户的饮水习惯进行提前制氢,确保用户能够喝到含氢浓度最大的水,保证氢的摄入;同时能够根据加热时间来对硒氢壶的剩余水量进行分析,及时调整制氢的时间。
Resumen de: CN119530879A
本发明属于碱性电解水制氢领域,具体涉及一种双功能基碱性电解水复合隔膜及其制备方法和应用。所述双功能基碱性电解水复合隔膜的制备方法包括以下步骤:S1.将纳米陶瓷颗粒与改性液混合后进行改性反应后即得到氨基和巯基双功能基改性纳米陶瓷颗粒,改性液含有氨基硅烷偶联剂和巯基硅烷偶联剂;将聚合物支撑层置于磺化液中进行磺化改性反应后即得到磺化聚合物支撑层;S3.将双功能基改性纳米陶瓷颗粒、聚合物、制孔剂、第一有机溶剂混合得到铸膜液,铸膜液脱气后涂布于磺化聚合物支撑层上成膜,在凝固浴中进行相转化后,即得到双功能基碱性电解水复合隔膜。本发明提供的双功能基碱性电解水复合隔膜机械性能好、性能稳定且面电阻低、气密性好。
Resumen de: CN119524479A
本发明公开了一种电解液循环气泡处理装置,包括分离除湿罐体,在分离除湿罐体的底部设置气体出口,底部设置液体出口,罐体壁上设置进口,还包括有安装在分离除湿罐体内部下方的气泡处理装置,气泡处理装置包括有用于阻挡气泡的滤芯,使气泡在滤芯外流动并合并成大气泡上浮,滤芯前后两侧存在压差并驱使电解液穿过。气泡处理装置将微小气泡阻隔于滤芯外部,进行合理的气泡过滤器过滤粒径及结构设计,利用滤芯前后两侧存在压差并驱使电解液穿过,一方面滤芯可进行气泡的有效阻隔,另一方面滤芯外部电解槽流动产生的扰流,使阻隔在滤芯外部的气泡在滤芯外部随机流动,相互撞击合并,形成大气泡,并上浮至气腔,完成电解液中气泡分离及处理。
Resumen de: CN119530783A
本发明公开了一种制氢电解槽用双极板镀镍装置,涉及镀镍装置技术领域,包括镀镍处理池,所述镀镍处理池侧面安装有上料机构,且镀镍处理池一端分别固定连接有过滤机构和搅拌机构,所述搅拌机构位于过滤机构上方。本发明在使用过程中,通过镀液流动的动力带动一号连接轴和一号搅拌桨进行逆时针转动,此时一号叶轮和一号搅拌桨对镀镍处理池内部的镀液进行逆时针搅拌,同理,通过二号导流头对二号导流管内部的镀液再次加速,对二号叶轮进行冲击,带动二号连接轴和二号搅拌桨进行顺时针转动,此时二号叶轮和二号搅拌桨对镀镍处理池内部的镀液进行顺时针搅拌,提升镀镍处理池内部的镀液中物质的均匀性。
Resumen de: WO2024013459A1
The present invention relates to a method for producing dihydrogen by photodissociation of water, comprising at least a step of bringing an aqueous solution in contact with oxidized nanodiamonds under solar, natural or artificial illumination (or light).
Resumen de: CN119524581A
本发明涉及一种用于电解水制氢的氢气纯化装置,旨在提供一种高效率、高纯度的氢气纯化解决方案。该装置包括氢气原气池、原气过滤池、提纯模块和氢气收集罐,其中提纯模块采用钯合金膜扩散技术,结合光谱检测模块实时监测钯合金膜的中毒情况和氢气浓度。通过傅里叶变换红外光谱(FTIR)分析和深度学习模型FTIR‑DeepNet,实现对氢气纯化过程的智能控制。该方法通过预处理、提纯、光谱数据采集与分析、数据处理与控制以及氢气收集等步骤,有效去除杂质,提高氢气纯度至99.99%以上,满足高端应用需求。本发明具有操作简便、环境友好、经济效益显著等优点,对推动氢能源的商业化应用具有重要意义。
Resumen de: CN118792678A
The invention belongs to the technical field of nano materials, and particularly discloses an electrode catalyst and a preparation method thereof.The electrode catalyst comprises a nano-particle cluster comprising at least three metal elements; and a dispersion layer formed between the nanoparticles of the nanoparticle cluster. The preparation method comprises the following steps: preparing a precursor mixed solution; and adding a reducing agent into the precursor mixed solution, stirring, reacting and drying to obtain the electrode catalyst. The active sites of the nano-particle cluster disclosed by the invention are highly exposed, and the nano-particle cluster has high conductivity.
Resumen de: CN119524726A
本发明涉及加氢反应技术领域,尤其涉及光催化水分解串联加氢反应系统及其应用。所述光催化水分解串联加氢反应系统包括依次连接的光催化水分解单元、分离纯化单元和加氢单元;所述光催化水分解单元用于光催化水分解制氢气,所述分离纯化单元用于对氢气进行分离纯化,所述加氢单元用于将二氧化碳加氢制甲烷或将氮气加氢制氨气。本发明通过将光催化水分解和加氢反应器系统串联设计,用于二氧化碳或氮气等加氢反应,最终制备的目标产物产率和选择性高,符合优等品标准。本发明在整个目标产物的生产过程中,无腐蚀性以及毒性的原料引入,绿色、经济、高效,适合工业放大生产。
Resumen de: CN119530856A
本发明提供了一种离子注入加载催化剂的方法及制备的催化剂和应用,属于电化学产氢技术领域。本发明在集流体或载体材料表面进行金属离子注入,带来两种不同的效应,包括能量效应和质量效应,能量效应指金属离子注入会在集流体或载体材料上引入缺陷位点等,辅助催化或者辅助锚定注入的离子;质量效应指通过金属离子注入的方式在集流体或载体材料上引入催化剂原子,加载的催化剂的存在形式为单原子或少原子团簇,该方法可以在减少催化剂加载量的同时增加催化剂的比表面积,来降低过电位,提高催化性能。同时,该方法是一种普适的催化剂加载方法。实施例的结果显示,本发明制备的催化剂在加载量为5wt%时可达到20wt%商业Pt/C才能够实现的过电位。
Resumen de: CN119528314A
本发明属于富氢水制备技术领域,公开了一种富氢水制备工艺及设备,富氢水制备设备包括:氢气发生器用于将水电解后生成氢气;水箱与混合容器相连,用于向混合容器供给纯净水;稳压罐的第一入口通过第一单向阀与氢气发生器相连,稳压罐的第二入口通过第一电磁阀与暂存罐相连;稳压罐的第一出口通过第二电磁阀与微气泡发生器相连,稳压罐的第二出口通过第三电磁阀与外界相连;微气泡发生器与混合容器相连;出水管与混合容器相连;第一气压检测传感器设于稳压罐内;稳压装置设于混合容器上,稳压装置与暂存罐相连。本发明制备富氢水时提供氢气的稳压罐以及溶解氢气的混合容器均能够保持合适范围的气压,使得整个制备过程更可控。
Resumen de: CN119530849A
本发明涉及冷压法制备金属铜电极及应用。以金属纳米铜粉为原材料;采用高硬度不锈钢作为模具,将称取好的粉末倒入模具的套筒当中,并将模具的上压头放置进套筒当中,而后将氧气管通入到模具的侧方孔道处;将模具的上压头对准压机正中心,降低液压机的压头,当液压机与模具的上压头接触时,打开氧气阀门并通入氧气,而后继续施加压力并保持使得金属粉体成型;卸载压力的同时关闭氧气阀门,利用脱模器将压制成型的金属铜块取出,取出后的金属铜块直接用作催化电极。制备的金属铜块直接应用作为电解水制氢的阴极材料或用于电化学析氢反应;在10mA/cm2的电流密度下的过电势均可以降低50%以上,远超于未经过冷压加工的金属纳米铜颗粒。
Resumen de: CN119533091A
本发明提供一种利用可再生能源制氢及利用LNG冷能液化氢气的一体式系统,包括:海水淡化装置、电解制氢装置、氢气液化装置、电力装置、可再生能源发电装置,氢气液化装置具有LNG冷能利用单元、氢气液化单元和制冷剂循环单元;氢气液化单元具有与氢气罐依次连接的第二高温冷却器、第二空冷冷却器、第一换热器、第二换热器、第三换热器、第四换热器、第一正仲氢转化器、第五换热器、第二正仲氢转化器、第六换热器、第三正仲氢转化器、第七换热器、第四正仲氢转化器、膨胀阀及杜瓦瓶;本发明能够减少污染,降低能耗,提升对液化天然气在汽化过程中释放冷能的利用率。
Resumen de: CN119524906A
本发明提供了一种具有尖端结构的三维氮化碳光催化剂及其制备方法与应用,涉及光催化剂技术领域。本发明提供的制备方法,包括:热缩聚富氮前驱体制得石墨相氮化碳;将石墨相氮化碳在多酚溶液内混合后滴加Tris‑HCl溶液搅拌反应,使多酚在石墨相氮化碳表面原位聚合形成聚多酚涂层,分离干燥制得复合中间体;将复合中间体与熔盐混合研磨后,在400‑650℃保护气氛下煅烧后制得具有尖端结构的三维氮化碳光催化剂。本发明提供的制备方法绿色环保、原材料简便易得且价格低廉,同时反应条件温和、无需使用模版剂,所制得的催化剂具有尖端结构,在常温常压下即具有极高的光催化分解水产氢活性和优异的稳定性,有良好的应用前景和经济效益。
Resumen de: AU2023433484A1
The present invention discloses an electrode plate of an electrolysis apparatus and an electrolysis apparatus to which the electrode plate is applied. A direct current power supply is connected to the electrolysis apparatus and an electrolyte is injected into the electrolysis apparatus, to convert electric energy into chemical energy. The electrode plate includes a silicon-based electrode plate made of a doped conductive silicon material. The silicon-based electrode plate is electrically connected to the direct current power supply, and a flow channel is disposed on at least one surface of the silicon-based electrode plate, so that the electrolyte is input into the electrolysis apparatus through the silicon-based electrode plate, to implement an electrochemical reaction and output a reaction product. In the present invention, on a basis of maintaining good mechanical support and sealing function, material and process costs of the electrode plate of the electrolysis apparatus are significantly reduced, an overpotential of the electrochemical reaction for producing the reaction product is reduced, and an electrolysis reaction rate per unit area in the electrolysis apparatus is increased. Therefore, an operating voltage is effectively reduced at a same electrochemical reaction rate, and energy conversion efficiency of the electrochemical reaction is finally significantly improved.
Resumen de: WO2025039409A1
The present invention belongs to the field of functional materials. Provided is a method for preparing a zinc-doped cobalt selenide catalyst. The method for preparing a zinc-doped cobalt selenide catalyst comprises: adding a selenium powder to a potassium hydroxide solution, stirring same until the selenium powder is dissolved, then adding deionized water, cobalt nitrate, zinc nitrate and ethylenediaminetetraacetic acid disodium salt to the resulting solution, continuing stirring, putting the finally obtained solution into a polytetrafluoroethylene reaction kettle for a hydrothermal reaction, and after the reaction is finished, cooling the resulting reaction product to room temperature and then washing, drying and grinding same, so as to obtain a zinc-doped cobalt selenide catalyst. In the method for preparing a zinc-doped cobalt selenide catalyst provided by the present invention, during the preparation process, the raw materials are readily available, the reaction conditions are mild, and a zinc-doped cobalt selenide catalyst can be obtained at a relatively low temperature, all of which are beneficial for reducing the production cost. The zinc-doped cobalt selenide catalyst prepared in the present invention has a unique rod-like structure and good electro-catalytic performance, and the obtained electrocatalyst is non-toxic and harmless, and has wide application prospects.
Resumen de: US2025066716A1
Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.
Resumen de: US2025066715A1
Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.
Resumen de: US2025066274A1
Processes for converting ethane into ethylene include the steps of subjecting a water feed stream to electrolysis to form O2 and H2, subjecting a mixture of ethane and O2 to oxidative dehydrogenation to form a reaction product containing ethylene, acetic acid, water, and CO/CO2, separating the reaction product into an ethylene product stream, an acetic acid product stream, a water product stream, and a gas stream containing CO/CO2, and introducing the water product stream into the water feed stream for electrolysis. The ethylene product stream can be contacted with a suitable polymerization or oligomerization catalyst composition to produce ethylene polymers or ethylene oligomers.
Resumen de: WO2025037484A1
Provided are a hydrogen gas production system and a hydrogen gas production method, with which it is possible to produce a high-purity hydrogen gas at a low cost by recovering a high-purity hydrogen gas at a high recovery rate without using a large-scale device. A hydrogen gas production system 100 according to the present invention comprises: a degassing device 20 that degasses raw water; an electrolysis device 30 that generates a hydrogen gas by electrolyzing the raw water degassed by the degassing device 20; piping 62 that connects the degassing device 20 and the electrolysis device 30 and that partitions a flow path through which the raw water is fed from the degassing device 20 to the electrolysis device 30; and a first oxygen gas supply device 40 that supplies an oxygen gas as a degassing gas to the degassing device 20.
Nº publicación: WO2025043182A1 27/02/2025
Solicitante:
ENHANCEDGEO HOLDINGS LLC [US]
ENHANCEDGEO HOLDINGS, LLC
Resumen de: WO2025043182A1
A geothermally powered hydrogen production system includes a wellbore that heats a heat transfer fluid, thereby forming heated heat transfer fluid. A heat exchanger heats a feed stream using the heated heat transfer fluid, thereby forming a heated feed stream. An electrolyzer receives the heated feed stream and generates hydrogen from the heated feed stream.