Resumen de: CN121381054A
本发明公开了一种Co2P/RuP4@C复合电催化剂的制备方法,步骤如下:S1. 将有机膦酸BHMTPMPA、硝酸钴和尿素混合,溶于乙醇与水的混合溶液中,搅拌均匀;S2. 将上述混合溶液置于反应釜中,在140℃下反应24 h,冷却干燥后得到前驱体有机膦酸钴;S3. 将前驱体与不同体积的0.1M RuCl3·3H2O溶液混合,搅拌、洗涤、干燥;S4. 将上述产物与NaH2PO2·H2O在氮气气氛下进行高温磷化处理,得到Co2P/RuP4@C复合材料。该工艺简单、条件温和、重复性好。通过简单调控RuCl3溶液的加入量,即可有效调控催化性能,这种可控性对于工业化生产至关重要。该催化剂具有介孔与大孔并存的多级孔道结构,能提供较高比表面积和丰富活性位点的同时,还能缓解传质限制并促进气体释放,电催化析氢和析氧性能优异。
Resumen de: CN121381067A
本发明公开了一种IrO2负载的SST纳米颗粒及其制备方法和应用,所述IrO2负载SST纳米颗粒是采用溶胶凝胶法和高温热冲击方法合成的。通过将Sn、Sb共掺杂入TiO2的晶体结构中,显著提升TiO2的导电性,且保持载体的晶体结构,实现IrO2的均匀负载。此外,多余的电子能够给予Ir原子,从而抑制Ir的溶解,这能够在提升贵金属IrO2催化效果的同时降低Ir载量。三电极测试结果显示IrO2/SST在析氧反应(OER)中只需要233 mV的过电位即可达到10 mA cm2,塔菲尔斜率只有43.6mVdec1。质量活性(MA)在1.53V vs RHE时可达到498 mA mgIr‑1。
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: CN121381060A
本发明属于电催化材料技术领域,公开了一种NiCo2S4‑MoS2电化学催化剂及其制备方法和在碱性析氧反应中的应用,该电化学催化剂是将Ni的前驱体、Co的前驱体、络合剂和CH4N2S混合在100~250℃反应,经清洗和真空干燥处理得到NiCo2S4;将Na2MoO4·2H2O、CH4N2S和还原剂加入去离子水制得混合溶液;再将混合溶液和NiCo2S4混合经超声,在120~250℃水热反应,经离心、洗净和干燥处理制得。本发明的电化学催化剂具有优异的电催化性能,仅需265~272 mV的过电位就可达到10 mA cm‑2的电流密度,在1 A的大电流下持续工作160 h,可应用在碱性析氧反应领域。
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。
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。
Resumen de: CN121372244A
本发明涉及水下制氢技术领域,尤其涉及一种水下制氢系统,包括料舱和反应釜,料舱的出料口与反应釜的进料口连通,反应釜设置有进水口和排渣口,料舱的内腔设置有推料机构,料舱上设置有用于储存氢气和驱动推料机构运动的中间舱,中间舱设置有出气口,反应釜的出气口通过气体输送管与中间舱的进气口连通。本发明能够将反应后的氢气储存在中间舱中,同时推料机构能够利用中间舱中储存的氢气,利用氢气的压力作为动力,将料舱中的活性铝推送到反应釜中,而且,将反应釜排渣口的控制阀关闭后,也能够使反应釜内部的压力升高,利用内外压差将反应釜中的渣液从排渣口排出,整个过程无需外接额外动力源即可自动送料和排渣,有效节约了能源。
Resumen de: CN121380990A
本发明公开了一种基于金属锑的解耦水电解制氢装置及其应用,属于制氢技术领域。该装置,包括析氢电极、析氧电极、Sb/C电极、电解液、电解槽和外部电源;其中,析氢电极用于产氢,析氧电极用于产氧,Sb/C电极用于解耦,所述析氢电极、析氧电极、Sb/C电极位于同一电解槽中。本发明利用金属锑作为可逆的固态氧化还原介质,有效实现了析氢反应(HER)与析氧反应(OER)的时间与空间解耦。相比传统水电解体系,本发明可实现无膜条件下的分步制氢,大幅提高能量转化效率,同时降低系统复杂度与整体电解成本。
Resumen de: CN121381055A
本发明属于材料化学技术领域,公开了一种高效析氢复合电极材料及其制备方法和应用,制备方法包括以下步骤:包括以下步骤:步骤1,清洗活化泡沫镍;步骤2,采用恒电流电沉积法,在泡沫镍的三维骨道上原位沉积W‑V基非晶前驱体薄膜,得到W‑V基非晶前驱体;步骤3将步骤2得到的所述W‑V基非晶前驱体浸入水热反应溶液进行水热反应,洗涤后得到钨钒铁铬钴共掺杂的氢氧化物FeCrCoFWV(OH)F/NF前驱体;步骤4,将FeCrCoFWV(OH)F/NF前驱体与固态磷源NaH2PO2·H2O共同置于管式炉中,在保护气氛下程序升温热处理进行磷化反应,得到钨钒铁铬钴共掺杂的磷化钴镍基复合电极材料FeCrCoWV/NF。本发明的氢复合电极材料成本低、催化活性高,易于规模化生产。
Resumen de: CN121381024A
本发明涉及PEM电解水制氢系统的高效集成组件领域,公开了一种用于PEM交换膜电解水制氢系统的高效集成组件,集成组件中的阳极电极单元包括钌基高熵金属氧化物电催化剂,钌基高熵金属氧化物电催化剂包括钌、锡、锰、铬和钽元素;钌基高熵金属氧化物电催化剂的制备方法:将固体无机钌盐、锡盐、锰盐、铬盐、钽盐和氯化钠进行研磨获得金属盐混合物;再进行球磨获得高熵金属氧化物前驱体;将前驱体进行热处理和水洗处理,获得钌基高熵金属氧化物电催化剂。本发明还公开了上述电催化剂在酸性溶液中电解水析氧反应和在PEM质子交换膜电解水制氢反应中的应用,展现出优异的电催化活性。
Resumen de: CN121381017A
本发明属于光电化学技术领域,具体涉及一种用于水分解的Mxene/Fe:CuO光电极薄膜及其制备方法。本发明采用两步电沉积法制备Mxene/Fe:CuO光电极薄膜,首先将CuCl2·2H2O和KCl溶于去离子水中再加入少量的FeCl3·6H2O制备成电沉积液,随后使用电化学工作站进行电沉积,随后在马弗炉中空气气氛下退火,得到Fe:CuO光电极薄膜,在Fe:CuO薄膜基础上再次电沉积负载Mxene得到Mxene/Fe:CuO光电极薄膜。本发明采用Fe掺杂以及表面负载Mxene的方法来改善CuO光电极薄膜的光电催化活性,显著提高了CuO光电极薄膜的分解水能力。
Resumen de: CN121377560A
本发明属于光电化学技术领域,提供了一种高性能Ce和Ag共掺杂的ZnIn2S4光电极薄膜及其制备方法和应用。采用水热法,首先将Ce(NO3)36H2O和AgNO3分别融于去离子水中制备成溶液,然后将CH4N2S、ZnCl2和InCl3加入到去离子水与无水乙醇的混合溶液中制备成前驱体溶液,并在反应釜中提前放置清洗完毕的FTO导电玻璃,将溶液置于反应釜中在烘箱中加热,得到产物Ce‑Ag:ZnIn2S4。最后在马弗炉中空气气氛下高温煅烧,得到Ce‑Ag:ZnIn2S4光电极薄膜。本发明采用Ce和Ag共掺杂的方式来改善ZnIn2S4光电极薄膜的光电催化活性,显著提高ZnIn2S4光电极薄膜的PEC性能。
Resumen de: CN121372421A
本发明公开了一种用于光热催化甲醇水蒸气制氢的三元金属氧化物及其制备方法与应用。其制备方法为:首先,通过共沉淀法制备含有具有特定比例的铜镍铟三元金属作为前驱体,然后在高温下采用空烧的方式对三元前驱体进行氧化处理,得到铜镍铟三元金属氧化物材料CuO‑NiO‑In2O3。该方法制备所得的CuO‑NiO‑In2O3材料具有优异的光热催化甲醇水蒸气制取氢气活性,在较低的温度下发挥出较高的产氢速率,并取得了很高的二氧化碳选择性,同时在加较低太阳光的条件下,产氢速率有了质的提高,可以实现低温加低太阳光强驱动的甲醇水蒸气制氢气的高效率转化。
Resumen de: CN121378623A
本发明属于电解水制氢用高性能阴离子交换膜技术领域,具体公开了一种自交联型聚(芳基哌啶)阴离子交换膜材料及其制备方法和应用。聚(芳基哌啶)聚合物选为不含醚键主链,环状哌啶鎓选为阳离子基团可以有效提高膜材料的化学稳定性,其次通过在聚合物结构单元中引入弯曲构象的间三联苯单体,提高膜材料内部的自由体积,有利于离子传输,再引入自交联网络进一步促进离子传导高速通道的形成,同时限制了膜的过度溶胀,从而提高膜的离子传导率和机械稳定性。所制备的阴离子交换膜可应用于电解水制氢中。
Resumen de: CN121381045A
本发明公开了一种用于全pH环境电催化制氢的Ni2P@CoCH/CFP异质结纳米材料及制备方法。本发明所述材料以六水合硝酸钴、六水合硝酸镍、尿素、氟化铵、碳纤维纸(CF P)为原料,通过以下步骤制备:1)水热法制备Co(CO3)0.5(OH)0.11H2O/CFP(简称CoCH/C FP)前驱体:一次水热在碳纤维纸(CFP)上垂直生长出Co(CO3)0.5(OH)0.11H2O纳米针阵列(简称CoCH),得到CoCH/CFP前驱体;2)水热法制备Ni‑LDHs@CoCH/CFP前驱体:二次水热在CoCH纳米针上生长Ni‑LDHs纳米片,得到Ni‑LDHs@CoCH/CFP前驱体;3)热处理法制备Ni2P@CoCH/CFP异质结纳米材料:在氩气的保护下将Ni‑LDHs@CoCH/CFP前驱体进行低温磷化,得到Ni2P@CoCH/CFP异质结纳米材料。本发明制备的纳米材料可用于全pH环境下电解水制氢,并且能在工业安培级电流密度下稳定制氢100h。
Resumen de: WO2025008146A1
The present invention relates to a method for producing hydrogen and magnetite from water and iron in the presence of an iron(II) salt catalyst. The invention also relates to the use of the iron obtained as an indirect hydrogen store.
Resumen de: WO2024262045A1
The water electrolysis cell electrode 1 comprises a conductive substrate 10, a first layer 11, and a second layer 12. The conductive substrate 10 includes a transition metal. The first layer 11 is disposed on the conductive substrate 10 and includes two or more transition metals and oxygen. The second layer 12 is disposed on the first layer 11 and includes a layered double hydroxide (LDH) that has two or more transition metals. The first layer 11 is disposed between the conductive substrate 10 and the second layer 12 in the thickness direction of the first layer 11. The first layer 11 includes a first transition metal and a second transition metal, wherein the first transition metal is the same kind as the transition metal included in the conductive substrate 10, and the second transition metal is the same kind as the transition metal included in the second layer 12 and is different from the first transition metal. The concentration of the first transition metal in the first layer 11 is higher than the concentration of the first transition metal in the second layer 12.
Resumen de: CN121381066A
本发明属于电催化材料技术领域,更具体的说是涉及一种钒掺杂磷化钴异质复合材料的制备方法及应用。首先通过浸渍法在碳布上生长ZIF‑67前驱体,得到ZIF‑67/CC;再将ZIF‑67/CC浸泡于偏钒酸钠溶液中进行刻蚀,形成Co3V2O8/CC中间体;最后通过低温气相磷化处理,得到钒掺杂磷化钴异质复合材料,该材料在碱性的条件下具有优异的电催化析氧性能和良好的全水分解性能,并表现出优异的导电性和良好的稳定性,可作为电催化析氧反应的优良催化剂,具有一定的实际应用潜力,制备方法简单,流程短,便于商业推广。
Resumen de: WO2026016601A1
A hydrogen generation device, comprising a water tank, two electrolysis modules, a condenser, and a first humidifier, wherein the water tank has an accommodating space to accommodate electrolyzed water; the two electrolysis modules are located outside the water tank and are connected in series to each other, and each electrolysis module is configured to receive and electrolyze the electrolyzed water from the water tank to generate and output a hydrogen-containing gas to the water tank; the condenser is arranged above the water tank, and the condenser is configured to receive and condense the hydrogen-containing gas from the water tank and output the condensed hydrogen-containing gas; and the first humidifier is coupled to the condenser and has a first humidification chamber to accommodate makeup water, and the first humidifier is configured to receive the condensed hydrogen-containing gas from the condenser into the makeup water to filter and humidify the condensed hydrogen-containing gas.
Resumen de: WO2026018390A1
The present disclosure provides a means by which resource efficiency in hydrocarbon production can be improved. Disclosed is a method for producing hydrocarbons, wherein: a CO2 hydrate and an alkali metal ion concentrated aqueous solution are obtained from a CO2-containing gas and an alkali metal ion-containing aqueous solution; the CO2 hydrate is decomposed to obtain CO2 and water (a); the alkali metal ion concentrated aqueous solution is introduced into the anode chamber of an electrolytic cell provided with a diaphragm, water for recovery is introduced into the cathode chamber, and H2 and an alkali metal hydroxide aqueous solution are obtained by electrolysis; and the CO2 and the H2 are reacted to obtain a hydrocarbon and water (b).
Resumen de: AU2024324493A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.
Resumen de: AU2023449815A1
A system and method of making hydrogen from water. A cylindrical reaction vessel is provided with an outer shell, a central shaft, and one or more concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A high-frequency vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.
Nº publicación: WO2026017387A1 22/01/2026
Solicitante:
XINTC B V [NL]
XINTC B.V
Resumen de: WO2026017387A1
The invention relates to an electrolysis system for hydrogen production, comprising: A DC Power source, in particular with a fluctuating power revenue, comprising: a positive power bar; and a negative power bar; A plurality of electrolyser modules, each electrolyser module comprising: A plurality of electrolyser cells; At least a first common liquid input connection; At least one common positive electric pole; At least one common negative electric pole; A liquid circuit for supplying an electrolyte to the liquid input connection of each of said electrolyser modules, connecting the electrolyser modules hydraulically; A controllable electric circuit, configured for selectively connecting and disconnecting one of: the positive electric pole of at least one of the electrolyser modules; or the negative electric pole of said at least of the electrolyser modules; to or from the respective positive or negative power bar; characterised in that the controllable electric circuit is further configured for selectively connecting and disconnecting the other of: the positive electric pole of said at least one of the electrolyser modules; and the negative electric pole of said at least one of the electrolyser modules; to or from the respective positive power bar or the respective negative power bar.