Absstract of: US2024261752A1
The hydrogen gas production device includes a water tank in which a hydrogen-side photocatalyst is immersed in water in which a mediator is dispersed and hydrogen gas is generated by irradiation with light, and a mediator is oxidized; a light irradiation means for irradiating the hydrogen side photocatalyst with light; a water tank in which an oxygen-side photocatalyst is immersed in the water in which the mediator is dispersed and oxygen gas is generated by irradiation with light, and a light irradiation means for irradiating the oxygen side photocatalyst with light; and a water circulation unit for circulating water in which a mediator is dispersed between the hydrogen side and the oxygen side water tank, and a light source of the light irradiation means is a light emitting diode.
Absstract of: DK202300028A1
In an electrolyser (1) stack for production of hydrogen gas, multiple bipolar electrically conducting metal seperator plates (21, 25) sandwich membranes. Each seperator plate has raised surface portions (50) towards the membrane (23), forming minor gas channels (40) between the seperator plate (21, 25) and the membrane (23) for transort of produced gas along the seperator plate (21, 25). Each structured area (30A, 30B) with the minor channels (40) is surrounded by a combination of an upper major channel (41) above and a lower major channel (47) below the first structured area (30A), as well as a first major channel (42) and second major channel (49) connecting the lower major channel (47) with the upper major channel (41) on a first and second side. Gas flow through the channels leads to circulation of electrolyte through and around the structured areas (30A, 30B).
Absstract of: CN118461039A
本发明实施例公开了一种析氢电极、制备方法及应用,所述制备方法包括:在导电基底的表面分层喷涂不同铝含量的铝合金粉末得到第一中间产物,其中,接近导电基底的铝合金粉末中铝含量小于远离导电基底的铝合金粉末中铝含量;将第一中间产物放置于碱液中进行刻蚀,再经过洗涤干燥后得到第二中间产物;将第二中间产物在氢气的气氛下进行热处理,得到析氢电极,析氢电极具有多级孔道结构,多级孔道结构在导电基底表面的法线方向呈现由密至疏的方式排布。通过本发明实施例,可以减少电解水过程中能量的消耗,并且具有优异的析氢催化活性以及长时间稳定性。
Absstract of: CN118461061A
本发明公开了一种Ru‑Sn‑Ce三元复合材料的制备方法,属于电催化剂技术领域,所述制备方法包括:(1)将含有Ru,Ce,Sn的金属前驱体充分混合;(2)将上述混合物置于高温设备中充分煅烧,待反应结束后冷却至室温,即得Ru‑Sn‑Ce三元复合材料;本发明还公开了采用上述方法制备得到的Ru‑Sn‑Ce三元复合材料作为析氧反应的电催化剂的应用;本发明制备的材料的电催化析氧活性和稳定性都显著提高,本发明整个制备过程中所用的溶剂全部为水,而不涉及有机溶剂,因此相对绿色和环保;本发明所需的钌用量低、制备过程所涉及到的设备简单且常见,有效降低了材料制备成本。
Absstract of: CN118461031A
本发明公开一种共价有机框架/氧化钌复合膜电极催化剂及其制备方法和应用,制备方法包括步骤:将2,4,6‑三(4‑溴甲基苯基)‑1,3,5‑三嗪和含烷氧基侧链的对苯二甲醛加入有机溶液中,冻抽后加热反应,产物洗涤、干燥获得共价有机框架材料;经质子化后与氧化钌混合,研磨后分散于有机溶剂超声得到共价有机框架/氧化钌电催化剂墨水;喷涂得到共价有机框架/氧化钌复合催化剂薄膜;和阴极催化剂薄膜同时热压转印至质子交换膜的两面,得到所述共价有机框架/氧化钌复合膜电极催化剂。该催化剂在组装成质子交换膜电极器件后展现出优异的电解水催化活性,且长期工作下仍具有较好稳定性。
Absstract of: US2023132969A1
A catalyst for a membrane electron assembly (MEA) comprising: a ternary oxide material having at least one composition of formula (I): IrxM1-xO2 (I), where x is any number between about 0.25 and 0.75, and M is Ag, Au, Ba, Bi, Ca, Ce, Eu, Ge, Hf, La, Nd, Os, Pd, Pr, Re, Rh, Se, Sm, Tl, or W, the material being configured to catalyze oxygen evolution reaction (OER) and increase stability, activity, or both of the catalyst.
Absstract of: CN118461042A
本发明实施例公开了一种析氢催化剂、制备方法及应用,所述制备方法包括:以金属镍为工作电极,金属盐溶液为前驱体,通过电镀的方式将金属盐溶液中的金属化合物沉积在金属镍表面,经过洗涤干燥后得到中间产物;将中间产物在氢气气氛下进行热处理,将金属镍表面的金属化合物还原成金属,得到金属电极;将金属电极作为工作电极,形成无定形氢氧化物的前驱体盐溶解在溶剂中作为电解液,通过电沉积的方式将无定形氢氧化物沉积在金属电极表面,经过洗涤干燥后得到析氢催化剂,析氢催化剂为金属负载无定形氢氧化物和/或氧化物析氢催化剂。通过本发明实施例,可以解决现有析氢催化剂析氢催化活性差、稳定性低的问题。
Absstract of: CN118461043A
本发明公开了一种无铱钌基电催化析氧催化剂的制备方法,涉及催化剂技术领域。所述方法包括将一定量的钌源和钼源以及适量表面活性剂均匀分散于有机溶剂中,随后蒸干溶剂,得到前驱体产物;将前驱体产物于300‑500℃,保温2‑7 h,即得无铱钌基电催化析氧催化剂。本发明采用溶剂蒸干结合煅烧的简单策略,合成的纳米框架合金尺寸小,分布均匀,保证了前驱体的多样性。同时克服了异金属引入和结构有序调控的结合的问题,平衡了催化活性和稳定性的关系,具有优异的酸性电催化析氧性能。
Absstract of: CN118461026A
本发明公开了一种验证PEM电解槽系统循环水含量的系统与方法,验证系统包括:增湿系统、阴极纯化系统和储水系统;验证方法包括:将系统接口依次连接,设定初始参数值;达到设定值后调节控制阀,按照对应设定工况点进行测试,记录对应累计液体流量值;当输出气体流量值达到气体流量设定值时,记录流量计的最终液体流量值。本发明,通过监控阴极出口气体的流量、压力、湿度和温度,等效模拟PEM电解槽运行工况,并与PEM电解槽系统的阴极子系统连接,无需等待电解槽研发完成,有效加快了PEM电解槽系统阴极侧循环水含量及排水规律验证实验进度,实现电解槽子系统的同步研发,加快了整个系统的研发周期,同时减少了电力、氢气耗量,有效降低了实验成本。
Absstract of: CN118461029A
本发明公开了一种海上平台PEM电解水制氢制重水系统,该海上平台PEM电解水制氢制重水系统包括第一电解槽和第二电解槽,第一电解槽和第二电解槽分别与海上绿色余电连接,第一电解槽与海水制淡器连接,海水制淡器将海水制成淡水,以使第一电解槽对淡水制氢和重水初步提纯;第一电解槽与中浓度重水缓冲罐连接,第一电解槽初步提纯重水后流入中浓度重水缓冲罐内,中浓度重水缓冲罐与高浓度重水缓冲罐连接;高浓度重水缓冲罐与第二电解槽连接,第二电解槽与精馏器连接,以再次进行制氢和重水提纯。本发明提供的海上平台PEM电解水制氢制重水系统解决了海上绿色余电的消纳问题,通过电解与精馏相结合的方式实现了利用海上绿色余电制氢与重水提纯的目的。
Absstract of: CA3241132A1
A system for collecting, generating, and transmitting Gigawatt scale energy is provided. The system comprises a geographically dispersed network comprising a plurality of nodes, each node comprising: a water source; renewable energy sources comprising: a wind turbine string of a plurality of wind turbines; and a solar photovoltaic string; a nodal substation in electrical communication with the renewable energy sources. The nodal substation comprises: at least one electrolyser in electrical communication with the renewable energy sources, the at least one electrolyser configured to convert water from the water source into hydrogen, or hydrogen compound, with electricity from the renewable energy sources; a compressor to compress hydrogen, or hydrogen compound, from the at least one electrolyser into a pipeline fluidly connecting each node. The nodal substation is positioned a distance from the renewable energy sources such that energy transfer efficiency to a load exceeds traditional high voltage power transmission.
Absstract of: CN118461054A
本发明涉及电催化材料技术领域,尤其涉及一种高稳定性NiSx@Ni(OH)2电催化全解水材料及其制备方法与应用,本发明利用一步硫化法和电沉积法相结合制备得到超薄无定形Ni(OH)2纳米片附着在NiSx纳米片表面的高稳定性NiSx@Ni(OH)2电催化全解水材料,不仅改变了其表面电子结构,而且有效抑制了硫元素的逸出,显著提高了整体催化剂的活性和稳定性。本发明制备得到的NiSx@Ni(OH)2电催化材料在碱性环境下全解水性能优异,循环性能好,可长时间连续应用,应用过程中不会对环境产生二次污染。本发明的制备方法原料成本低,操作简便,对环境友好且具有规模化生产的潜力。
Absstract of: CA3241070A1
The invention relates to a method for electrolytically providing an oxygen-containing and hydrogen-containing gas mixture, in which method current is introduced via electrodes (11, 12) into a liquid electrolysis medium (3), thus producing oxygen gas and hydrogen gas, which exit from the electrolysis medium (3) in at least partially mixed form as electrolysis gas, characterised in that, immediately after exiting, the electrolysis gas is mixed with an additional gas comprising lower hydrocarbons to form a gas mixture.
Absstract of: CN118461048A
本发明公开了一种电解水制氢设备双极板表面处理方法,所述表面处理方法包括以下步骤,S1:极板预处理;S2:化学镀镍;S3:电镀镍;S4:清理和抛光,所述S2中化学镀镍溶液由硫酸镍溶液配制,其中镍含量为10%‑11%,化学镀镍操作时溶液的温度为78℃‑85℃,PH值为4。该电解水制氢设备双极板表面处理方法,采用化学镀镍和电镀镍两种方式对极板进行镀镍操作,首先对极板进行化学镀镍,使得极板表面镀上一层薄的镍金属,之后再将极板放入电镀槽中进行电镀操作,再镀上一层镍金属,采用两种镀镍方式共同操作,使得镀镍层更厚,从而具有更强的耐腐蚀性和更长的使用寿命。
Absstract of: CN118461059A
本发明公开了一种双功能钌单原子‑二氧化钌基纳米催化剂及其制备方法和应用,涉及新能源材料技术及电化学催化技术领域。本发明采用单宁酸对ZIF‑67进行刻蚀得到中空ZIF‑67,再将中空ZIF‑67置于氩气气氛下煅烧碳化,碳化后的前驱体与乙酰丙酮钌混合进行球磨并煅烧,即得钌单原子‑二氧化钌基纳米催化剂。制备过程较为温和易实现、无毒,且制得的催化剂具有优异的HER和OER活性和良好的稳定性,可广泛用于电解水。
Absstract of: CN118461050A
本发明涉及电解水技术领域,公开了一种用于电解水制氢的阴极材料及其制备方法。该阴极材料含有金属活性组分和载体;所述金属活性组分以伫立的形式分散于所述载体上;所述金属活性组分包括纳米镍钼钴合金和纳米MoO2;所述纳米镍钼钴合金分散于所述纳米MoO2上;所述载体选自泡沫镍、泡沫钛和泡沫铜中的任意一种。由本发明制备方法制备得到的阴极材料用于电解水制氢的阴极电极具有优异的析氢活性和稳定性,并且本发明方法操作简单,具有成本低的优点。
Absstract of: TW202334508A
An electrolysis vessel for alkaline water electrolysis including: an anode end cell; a cathode end cell; a stack structure being arranged between the anode end cell and the cathode end cell, and including: a plurality of membrane elements and a plurality of cathode/anode chamber cells, which are repeatedly arranged between the anode end cell and the cathode end cell; each of the chamber cells including: anolyte/catholyte supply flow parts; anolyte/catholyte and gas recovery flow parts; a branched supply flow path for supplying a corresponding electrolyte; a branched recovery flow path for recovering a corresponding electrolyte and gas; and a flange part; and an electrically insulating resin material covering all or part of surfaces of the flange part, the surfaces facing the anolyte/catholyte supply flow parts, the anolyte/catholyte and gas recovery flow parts, the branched supply flow path, and the branched recovery flow path.
Absstract of: WO2024162762A1
The present invention pertains to: a porous water-splitting electrode characterized by comprising a support coated with a carbon nanotube assembly, and a catalytically active layer formed on the coated support; a method for manufacturing the porous water-splitting electrode; and a water electrolysis device including the porous water-splitting electrode.
Absstract of: CN118471355A
本发明公开了一种具有Janus结构的晶体在太阳能光催化制氢中的性能预测方法,包括使用建模软件构建纯净Pd2S3结构并优化;构建超胞;选择X,Y元素置换Pd2S3的S层,分别构建Pd4X3Y3构型结构,记为Janus体系;计算Janus体系的动力学稳定性,热力学稳定性与机械稳定性;计算Janus体系的电子性质和光学性质;量化光催化水分解的析氢效率和析氢反应的吉布斯自由能变化,确定最佳X,Y元素。本发明提供在不破坏整体结构构型的基础上,采用元素置换构造非对称结构的方法,打破Pd2S3镜面对称结构,为Janus Pd4X3Y3的太阳能光催化制氢性能预测提供了理论方法。
Absstract of: CN118461069A
本公开提供一种用于组列式制氢系统的启停调节方法、装置、电子设备及存储介质,属于电解制氢技术领域。启停调节方法包括:根据波动性能源在任一时刻t需消纳的第一总功率,将其分配至组列式制氢系统中的其中k1套电解制氢系统,k1≥1,所述k1套电解制氢系统以额定功率Pn运行,直至余下的未分配功率不足额定功率;将未分配功率分配至组列式制氢系统中另外的k2套电解制氢系统中,k2≥1,k2套电解制氢系统以调节功率P’运行,P1≤P’≤P2,P1为最低功率下限值,P2为最高功率上限值。本公开在初次分配时可以灵活选择需启动的电解制氢系统及所需数量,并将需消纳功率分配至尽可能多的k1套电解制氢系统中,以满足波动性能源的消纳需求。
Absstract of: CN118473233A
本发明公开了一种电解制氢电源系统的控制方法及系统,当制氢电源满足启动条件时,第一开关K1闭合,电力变压器的副边绕组s1输出电压u1,所述第一整流电源支路先工作;当电解制氢电源系统输出电流大于I1时,所述第二开关K2闭合,电力变压器绕组的副边绕组s2输出电压u2,所述第二整流电源支路开始工作,与第一整流电源支路输出并联运行;当电力变压器的副边绕组s2输出电流大于I2时,第三开关K3闭合;该电解制氢电源系统的控制方法能拓宽AC/DC一级整流拓扑的输出电压范围,同时保持较高的系统效率和低输入谐波特性及良好的电网适应性,使得AC/DC一级整流拓扑在制氢电源系统的应用范围更宽,制氢电源系统效率更高。
Absstract of: CN118461035A
本发明提出了一种电极催化剂及其制备方法与应用,所述电极催化剂包括纳米片催化剂结构,其中所述纳米片催化剂结构表面具有多个孔洞,所述孔洞的尺寸小于80nm。通过本发明提出的电极催化剂及其制备方法与应用,获得不同结构的电极催化剂,增加电极催化剂的比表面积,增加活性位点,从而提高催化效率,并降低生产成本。
Absstract of: CN118475407A
本发明提供一种在YTOS、或者将YTOS的钇元素置换成其他元素的组成中,显著提高了水分解能力的光催化剂。一种光催化剂的制造方法,其特征在于,是下述通式(I)所示的组成的光催化剂的制造方法,包括如下工序:相对于该光催化剂的原料,以0.01~50倍的质量比混合助熔剂成分,并在450~1050℃进行煅烧,上述助熔剂成分由氯化物和/或碘化物中的1种或2种以上构成,上述氯化物和上述碘化物是选自Li、Na、K、Rb、Mg、Ca、Sr和Ba中的1种或2种以上的氯化物和碘化物。MaTibOcSd…(I)(其中,M是将选自Pr、Nd、Pm、Sm、Eu、Gd、Tb、Dy、Ho、Er、Tm和Y中的1种或2种以上组合而得的,a=1.7~2.3,b=2,c=4.7~5.3,d=1.7~2.3)。
Absstract of: WO2024160971A1
A Large-scale green hydrogen production system (100') for producing hydrogen, ammonia and/or other potential hydrogen derivatives, comprise: - wind turbines (11) and photovoltaic modules for generating electrical power; - an electrolyzer for generating hydrogen from the electrical power; - an interconnector for interconnecting the wind turbines (11) and photovoltaic panels with the electrolyzer; - a control system for controlling the wind turbines (11), the photovoltaic modules and the electrolyzer; - a wide area network comprising a plurality of power generating upstream nodes (10.1', …,10.10'), wherein: - each upstream node (10.1', …,10.10') comprises a wind turbine (11), a photovoltaic module and an electrolyzer unit and wherein the wind turbine(s) (11), the photovoltaic module(s) and the electrolyzer unit are electrically interconnected by an on-site electrical distribution network (14); - the upstream nodes (10', 10.1', …, 10.10') are linked via interconnectors (20; 20') with a hydrogen transport pipeline (22) to a downstream power utilization node (30) and/or a hydrogen storage facility and/or a hydrogen shipping facility (port 31) and/or a hydrogen processing unit.
Nº publicación: DE102024102973A1 08/08/2024
Applicant:
BOSCH GMBH ROBERT [DE]
Robert Bosch Gesellschaft mit beschr\u00E4nkter Haftung
Absstract of: DE102024102973A1
Polymerelektrolyt-Wasserelektrolyseur (PEWE). Der PEWE enthält eine Kathodenkatalysatorschicht, eine Anodenkatalysatorschicht, und eine Polymerelektrolytmembran, die sich zwischen der Anodenkatalysatorschicht und der Kathodenkatalysatorschicht erstreckt und diese trennt. Der PEWE enthält ferner eine erste Sperrschicht und/oder eine zweite Sperrschicht. Die erste Sperrschicht ist zwischen der Kathodenkatalysatorschicht angeordnet und so konfiguriert, um der Diffusion unerwünschter Ionen oder Moleküle durch die Polymerelektrolytmembran zu widerstehen. Die zweite Sperrschicht ist zwischen der Anodenkatalysatorschicht angeordnet und so konfiguriert, um der Diffusion unerwünschter Ionen oder Moleküle durch die Polymerelektrolytmembran zu widerstehen.