Resumen de: CN121321009A
本发明属于电解水催化剂技术领域,公开了一种电解水阳极催化剂、膜电极及其制备方法,电解水阳极催化剂,包括纳米级Ir/Pt/Ru合金和Pd粉,其中,纳米级Ir/Pt/Ru合金中Ir、Pt和Ru的质量比为60‑80:10‑20:5‑10;Pd占Ir的质量百分数为1‑5%,采用该催化剂制备的膜电极电解水时,得到的氧气中的氢气含量可以降至0.5%以下,并且氧气中不含有其他杂质,纯度高。
Resumen de: CN121321057A
本发明属于电极材料制备技术领域,具体公开了一种钌/氧化钨/有序孔材料的制备方法及海水电解应用,包括以下步骤:S1、椰子木预处理;S2、椰子木碳化处理,得到碳化椰子木;S3、将碳化椰子木作为基底,氯化钨作为原料,采用一步溶剂热法生长氧化钨纳米片,得到氧化钨负载的碳化椰子木;S4、将氧化钨负载的碳化椰子木浸泡在钌盐溶液中,烘干,在氩氢气氛下进行高温还原处理,得到钌纳米颗粒修饰缺氧氧化钨负载的碳化椰子木电催化剂。本发明采用上述一种钌/氧化钨/有序孔材料的制备方法及海水电解应用,提升电催化剂的活性与稳定性,对促进电解海水催化剂的商业化进程具有重要意义。
Resumen de: CN121320988A
本发明提供电解水制氢测试装置,包括:电解槽,所述电解槽通过管线与阳极循环水罐连接,所述电解槽通过管线与背压阀一连接,其背压阀一用于提升阳极循环水罐至背压阀一之间的水压,所述电解槽通过背压阀一、管线以及阳极循环水罐与阳极气液分离罐连接,所述阳极气液分离罐的顶部通过管线与阳极排放口连接,与现有技术相比,本发明具有如下的有益效果:通过在电机槽与阳极循环罐之间安装背压阀一,且阳极循环水泵采用高扬程水泵,通过满足制氢电解槽测试所需的高压工况,阳极循环水罐和阴阳极分离罐均采用低压罐体,有助于降低设备费用,减少高压设备的使用数量。
Resumen de: CN121321036A
本发明提出了一种通用的RuM/C(M=Fe、Co、Ni)纳米合金催化剂的制备方法及其应用。本发明的Ru基纳米合金的制备方法具有普适性,RuFe/C、RuCo/C、RuNi/C均可以按此方法制备,并且该制备方法简单易实现批量生产,作为甲酸制氢催化剂,其产氢速率快,具有高催化活性以及稳定性。
Resumen de: CN121321054A
本申请提供一种碳酸根插层的铁钴镍层状氢氧化物催化剂及其制备方法和应用,属于电解水制氢技术领域。碳酸根插层的铁钴镍层状氢氧化物催化剂包括铁钴镍氢氧化物层板和位于层板间的碳酸根离子,其中,铁钴镍氢氧化物中,铁元素、钴元素和镍元素的摩尔比依次为1:(0.025~3):(0.25~4)。该催化剂能够有效改善传统的过渡金属层状氢氧化物导电性和催化活性差以及层间传质受限等本征缺陷,进而使得对应的阴离子交换膜电解槽具有较高的电流密度。
Resumen de: CN121321094A
本申请公开了一种气液分离装置和电解制氢系统,用于分离电解制氢系统中的气液,气液分离装置包括:罐体组件、气液分离组件、气体导流组件和液体导流组件;罐体组件包括:第一容纳腔体和进液管;气液分离组件包括:位于第一容纳腔体内的第二容纳腔体;第二容纳腔体的顶部开设有气体导流孔,第二容纳腔体的底部开设有液体导流孔;进液管的第一端为进液端,进液端用于通入电解制氢系统中的混合液;进液管的第二端穿入第二容纳腔体,且进液管位于第二容纳腔体内的部分为引射部分,引射部分设置有引射孔。本技术方案,通过气液分离装置的设置能够提高气液分离效率。
Resumen de: CN121321076A
本申请提供一种PEM电解水制氢电解槽活性恢复方法,包括:向待处理的电解槽中通入去离子水;将气液饱和溶液分别通入电解槽的阳极和阴极;将电源的正极接入电解槽的阴极,负极接入阳极,进行阶梯式反电极活化;再次通入去离子水冲洗;将修复性复合溶液通入电解槽的阳极,关闭电解槽和系统接口,只允许修复性复合溶液在电解槽内部循环,然后静置;通入还原性混合气体一,排出多余的修复性复合溶液,持续使用还原性混合气体一吹扫,直至检测气体出口无液体流出;通入还原性混合气体二和去离子水进行封存放置,实现PEM电解水制氢电解槽活性恢复。本申请可以全面恢复PEM电解槽膜电极的活性,延长膜电极使用寿命,并提高其在不同环境下的稳定性和可靠性。
Resumen de: CN121320999A
本发明属于解水制氢设备技术领域,尤其是适用可再生能源电解水制氢设备控制设备及其方法,针对现有装置插电时,电线随意摆放收纳,让箱内布局杂乱,现提出以下方案,包括:箱体,箱体的前方固定连接有柜门;冷热一体机系统,设置于箱体的内部;固态储氢系统,设置于箱体的内部;底板,固定连接于箱体的内部,底板的顶端固定连接于冷热一体机系统的底端;电解水制氢装置。本发明公开的适用可再生能源电解水制氢设备控制设备及其方法,具有通过盘式缠绕收纳电线,相比随意摆放或直线收纳,能在箱体底部有限空间内,紧凑规整地存储较长电线,无需额外大面积布线空间,适配设备集成化、小型化需求,让箱体内部布局更合理的有益效果。
Resumen de: CN116377465A
The invention is applicable to the related technical field of hydrogen production, and provides a polar plate for reducing the starting time of an alkaline hydrogen production device and an assembly process thereof.The main polar plate comprises a metal ring, two partition plates which are symmetrically arranged are fixedly connected to the inner wall of the metal ring, holes are evenly distributed in the metal ring, a cavity is formed between the holes and the two partition plates, the partition plates are 0.6 mm steel plates, and the metal ring is made of stainless steel. The distance between the two partition plates is 0.8 mm. A cavity is formed in the metal ring under the action of the partition plates, when the alkaline hydrogen production device is started, water at the constant temperature of 85 DEG C is injected into a new drainage basin 2 hours ahead of time by a technician, circulation is conducted to heat the electrolytic bath till the electrolytic bath is heated to 65 DEG C, at the moment, the alkaline hydrogen production device is started, circulation of the water at the constant temperature of 85 DEG C is stopped, and therefore the alkaline hydrogen production device is started. And the temperature of the alkaline hydrogen production electrolytic cell is increased from 65 DEG C to 85 DEG C. The time is 2 hours; the starting time of the alkaline hydrogen production device is shortened to 2 hours, and the energy consumption of the alkaline hydrogen production devi
Resumen de: CN121321035A
本发明提供了一种多元合金类析氢电极及其制备方法和应用,涉及供氢能技术领域。本发明的制备方法包括如下步骤:S1.配置电镀液:将金属盐和添加剂加入水中溶解,调节pH值为7~12,得到电镀液;S2.将镍基底至于S1的电镀液中进行直流电沉积,在镍基底表面形成催化剂镀层,得到多元合金类析氢电极。本发明通过将镍基底放置值特定pH的电镀液中,通过多金属盐和添加剂的协同调控,结合具体的电沉积参数可以有效调控样品表面的微观形貌,改善镀层的比表面积,增强了镀层与基底的结合程度,形貌调控后可以明显提升电极的催化性能和多元合金类析氢电极的长期稳定性,可以更好适应于碱性电解水制氢的应用要求。
Resumen de: CN121321024A
本申请属于电解水制氢材料技术领域,公开了一种IrSnOx/Ti多孔传输电极及其制备方法和应用。其制备方法包括以下步骤:S1、对钛毡表面进行预处理;S2、以钛毡为阴极,铂片电极为阳极,在锡电沉积液中进行恒电流锡沉积至锡的载量为0.3mg/cm2‑2mg/cm2,得到Sn/Ti电极,去离子水冲洗,干燥;S3、在三电极体系中,以Sn/Ti为工作电极,饱和甘汞电极和铂片电极为参比电极和对电极,在氧化铱电沉积液中进行恒压电沉积非晶态氧化铱至铱的载量为0.2mg/cm2,得到IrSn/Ti电极;S4、将IrSn/Ti电极于200‑500℃下热处理0.5‑5h,得到IrSnOx/Ti多孔传输电极。本申请能够能够有效降低膜电极贵金属用量,且均匀包覆钛毡,具有优异稳定性。
Resumen de: CN121321005A
本发明公开了一种耐腐蚀碱水电解槽端板及其电解槽,包括两个端板组件,端板组件包括端板本体,端板本体的上下两端均对称开设有两个安装插孔,端板本体的两侧均对称开设有两个定位插孔,两个端板本体之间通过定位插孔连接有定位安装组件,定位安装组件用于对两个端板本体进行固定安装,两个端板本体之间通过安装插孔连接有冷却输入组件,冷却输入组件用于对两个端板本体进行进水冷却。本发明针对电解反应时,会造成端板温度升高,使端板耐腐蚀性下降的问题,公开的一种耐腐蚀碱水电解槽端板及其电解槽在工作中,通过设置的冷却水在流经端部箱中时对端板本体进行散热,避免因端板本体温度过高造成耐腐蚀性降低,提高电解过程中端板本体的耐腐蚀性。
Resumen de: CN121321020A
本发明公开了一种铂基多组分催化剂的制备方法及电催化应用,涉及催化剂领域。本发明铂基多组分催化剂的制备方法,包括以下步骤:S1、将铂盐、钌盐、镍盐、铜盐和锌盐作为金属前驱体,与还原剂和溶剂混合后超声分散,油浴加热,冷却至室温,洗涤并离心,得中间产物;S2、将中间产物加入有机溶剂中分散均匀,滴加至碳粉中超声分散,离心后烘干,高温退火,得铂基多组分催化剂。本发明简单有效的制备PtRuNiCuZn高熵合金催化剂,通过构建高熵合金减少了Pt的用量,降低了Pt基催化剂的成本,同时改善了HER性能,提高了稳定性,有效解决了现有技术中催化剂稳定性较差等问题。
Resumen de: CN121321062A
本发明提供了一种碱性电解水制氢电极、制备方法及应用。碱性电解水制氢电极,包括镍基体和附着在镍基体上的催化镀层;催化镀层至少包括相对镍基体从内而外逐层设置的底层、中间层和表层;催化镀层的总厚度为100±5μm;底层与镍基体接触,孔隙率为3~8%,厚度为催化镀层总厚度的15~25%;中间层的孔隙率为10~20%,厚度为总厚度的45~55%;表层的孔隙率为35~45%,厚度为总厚度的25~35%。表层的孔隙率相对较高,并且与底层、中间层的孔隙形成三维传质通道,可确保活性位点暴露并形成良好的传质通道。如此,该电极兼顾了致密度与孔隙率,结构稳定性好,使用寿命长,且在高电流密度下,电解效率高。
Resumen de: CN121314478A
本发明公开了一种氨裂解制氢炉工艺系统及方法,属于化工工艺系统技术领域,该系统包括氨裂解反应单元、氢气纯化及回收单元、热回收单元、气路调控单元和监测单元;氨裂解反应单元采用圆柱形炉膛结构,内部布置多根装有催化剂的反应管束,顶部设有燃烧器,用于燃烧尾气以提供裂解所需热量;氢气纯化及回收单元采用钯膜纯化器对裂解混合气进行氢气分离;热回收单元通过多级换热器实现原料氨与尾气、烟气之间的余热回收,提升系统热效率;气路调控单元通过盘管结构实现气体均匀分布;监测单元实时监测燃烧状态、温度及烟气成分;本发明实现了氨裂解制氢过程的热量自维持与尾气清洁排放,具有能耗低、运行稳定、环保性好的优点。
Resumen de: CN121317632A
一种振动式解水剂制氢装置,属于制氢技术领域,主要由料箱、解水剂料、供料管、电动阀、加热线圈、反应管、水箱、供水管、回收罐、蒸汽发生器、蒸汽管、振动电机、机架等组成,其特征是:料箱内装解水剂料,供料管上接料箱中部串连两个电动阀下接反应管左端进料口,反应管外置加热线圈右端出料口接回收罐左端设出氢管,振动电机固定在机架上。工作过程是:解水剂料由料箱内经电动阀进入反应管内受热后与水蒸汽接触,发生化学反应产生氢。优点有:1成本低于现有工业制氢;2无污染;3原料充足易得;4无废物排放;5綠氢。
Resumen de: KR20240175881A
Provided is the complex energy base hydrogen production system utilizing the solar energy and sunlight complex energy and produces the hydrogen. The complex energy-based hydrogen generation system comprises: a complex energy block collecting solar energy to generate hot water or electricity; a hydrogen generation block generating hydrogen by using the generated hot water; and an electricity supply block storing or supplying the generated electricity.
Resumen de: KR20240175881A
Provided is the complex energy base hydrogen production system utilizing the solar energy and sunlight complex energy and produces the hydrogen. The complex energy-based hydrogen generation system comprises: a complex energy block collecting solar energy to generate hot water or electricity; a hydrogen generation block generating hydrogen by using the generated hot water; and an electricity supply block storing or supplying the generated electricity.
Resumen de: KR20240175881A
Provided is the complex energy base hydrogen production system utilizing the solar energy and sunlight complex energy and produces the hydrogen. The complex energy-based hydrogen generation system comprises: a complex energy block collecting solar energy to generate hot water or electricity; a hydrogen generation block generating hydrogen by using the generated hot water; and an electricity supply block storing or supplying the generated electricity.
Resumen de: KR20240175881A
Provided is the complex energy base hydrogen production system utilizing the solar energy and sunlight complex energy and produces the hydrogen. The complex energy-based hydrogen generation system comprises: a complex energy block collecting solar energy to generate hot water or electricity; a hydrogen generation block generating hydrogen by using the generated hot water; and an electricity supply block storing or supplying the generated electricity.
Resumen de: WO2026010322A1
According to one aspect of the present invention, a water electrolysis system comprising a plurality of modularized water electrolysis stacks is provided, the system comprising: a plurality of water electrolysis stacks; and a stack management unit which determines a stack to be operated from among the plurality of water electrolysis stacks, with reference to load power corresponding to the plurality of water electrolysis stacks and the maximum operating power of each of the plurality of water electrolysis stacks, wherein an operating priority for the plurality of water electrolysis stacks is determined on the basis of a monitoring result of the operating voltage of each of the plurality of water electrolysis stacks.
Resumen de: CN121057846A
The present invention relates to a novel material comprising an organic binder consisting of a thermoplastic polymer selected from the group consisting of polyethylene, polypropylene, polystyrene, acrylonitrile butadiene styrene, polyvinyl halide or polyvinylidene halide or mixtures thereof, a hydrophilic inorganic filler and a porous agent. The material can be used in the manufacture of films that, after treatment, will provide a film suitable for use as a membrane for alkaline electrolyzers capable of producing hydrogen.
Resumen de: AU2024285985A1
A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Resumen de: CN121295216A
本发明涉及电解制氢领域,具体而言,涉及一种并联循环结构的电解堆,其电解堆双极板的电化学反应区,等量设置N份区域,该区域设置独立水循环流道,独立水循环流道经由汇流板实现并联进水、出水循环。并联循环结构电解堆包括双极板、汇流板、密封结构和膜电极组件,相邻两片双极板间设置密封结构、膜电极组件,多片双极板依次叠加装配形成双极板装配单元,在双极板装配单元两端分别依次设置汇流板、电源板、绝缘板和端盖;本发明提供的并联水循环结构电解堆,水流道、气流道内阻小,温度分布均匀且调节方便,密封可靠,利于电解堆安全、可靠运行。
Nº publicación: KR20260005210A 09/01/2026
Solicitante:
그린하이드로겐시스템즈에이에스
Resumen de: AU2024224224A1
In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.