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988
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Updated on
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Results 650 to 675 of 988
Absstract of: CN122722163A
0001 本申请公开了一种可更换式氢能源供应装置，涉及制氢供氢设备技术领域。该装置包括供应装置本体和多个水解制氢反应器，各个水解制氢反应器均连接于供应装置本体；每个水解制氢反应器均包括容纳腔体、出氢快速接头和进水快速接头，容纳腔体用于储存水解制氢材料。出氢快速接头和进水快速接头均连接于供应装置本体，进水快速接头与容纳腔体的进水端可拆卸连接，出氢快速接头与容纳腔体的出氢端可拆卸连接，进水快速接头和出氢快速接头均与容纳腔体内部连通。该技术方案能够实现水解制氢反应器的独立拆装与快速更换，并有利于增强供氢规模调整的灵活性，大幅简化拆装运维流程。该方案还能够降低反应热量累积风险，提升氢气产出与供应效率。
Absstract of: CN122727858A
0001 本申请属于电解水制氢技术领域，尤其涉及一种不锈钢基自支撑析氢电极及制备方法和应用；本申请提供的一种不锈钢基自支撑析氢电极包括：将不锈钢基材进行预处理，得到预处理的不锈钢基材的预处理步骤，以及将预处理的不锈钢基材浸入电解液中进行阳极氧化，得到不锈钢基自支撑析氢电极的阳极氧化步骤；阳极氧化过程中，利用电解液中氯化钠和硝酸钠构筑出具有高比表面积和丰富活性位点的微观结构，显著提升了析氢催化活性；同时不锈钢基的成本较低，在长期运行过程中稳定性良好，是一种高性能的自支撑析氢电极；解决了现有技术制备的自支撑析氢电极性能较低的技术问题。
Absstract of: CN122740268A
0001 本申请涉及基于储氢罐储量分层触发的风光制氢调度方法及系统，应用于风光制氢技术领域，所述方法包括：周期性获取当前风电功率、当前制氢模式及储氢罐的当前储氢量；若当前制氢模式为正常模式，判断当前储氢量是否小于第一储量阈值；若是，将当前制氢模式由正常模式切换为紧急模式，以获取电网电力，并基于当前风电功率和电网电力为碱性电解槽和质子交换膜电解槽分配功率进行制氢；若当前制氢模式为紧急模式，判断当前储氢量是否大于等于第二储量阈值；若是，将当前制氢模式由紧急模式切换为正常模式，以基于当前风电功率为碱性电解槽和质子交换膜电解槽分配功率进行制氢。本申请可同时实现风光制氢的产量和绿电比。
Absstract of: CN122727847A
本申请公开了一种氟锰共掺杂的四氧化三钴电催化材料的制备方法和应用，属于电极材料领域。将含有钴源、锰源、氟源、溶剂的混合物，置于密闭容器中，水热反应，干燥，煅烧，得到所述氟锰共掺杂的四氧化三钴电催化剂材料。制备方法简单，易于批量化生产，所制备的氟锰共掺杂的四氧化三钴电催化剂材料在酸性析氧反应中下具有高活性和长稳定性。
Absstract of: CN122727861A
0001 本申请提供了一种析氧反应催化剂及其制备方法、析氧电极及电解槽，属于制氢技术领域。其中，析氧反应催化剂包括基底和催化剂本体，基底包括稀土氧化物，催化剂本体包括过渡金属催化剂。本申请的析氧反应催化剂以稀土氧化物为基底，能够高效且及时地传输生成的氧气，有利于催化剂持续高效地进行析氧反应，从而有助于维持催化剂的稳定性。
Absstract of: CN122727895A
本发明提供了一种自支撑梯度电极及其制备方法、应用，属于电解水制氢技术领域。制备方法包括：以镍基导电基底为阴极，在含有镍盐和磷源的氨基磺酸盐体系第一镀液中进行恒流电沉积，在镍基导电基底表面沉积低内应力的致密NiP底层；再以沉积有NiP底层的镍基导电基底为阴极，在第二镀液中进行脉冲电沉积，在NiP底层表面沉积CeO2复合NiCoP催化层。本发明通过构建基底—NiP底层—CeO2复合NiCoP催化层的梯度结构，使电极兼具高析氢活性、牢固的界面结合以及抗反向电流侵蚀能力，且制备过程绿色温和，适用于波动性绿电耦合的碱性电解水制氢。
Absstract of: CN122725189A
一种基于瑞士卷结构的双螺旋与多孔介质直混的氨气裂解制氢装置及方法，本发明涉及氢能、氨燃料预处理及燃烧器技术领域。装置包括由内至外依次布置的燃烧室、裂解室及双螺旋换热预热区，所述双螺旋换热预热区包括在同一水平面内并排缠绕的燃烧氨气进气通道及裂解混合气排气通道，所述燃烧氨气进气通道流道自外向内盘旋延伸，其外侧端设有燃烧氨气进口；内侧端连通至燃烧室；所述裂解混合气排气通道流道自内向外盘旋延伸，其内侧的连通至裂解区，外侧端设有裂解气体出口。本发明体积仅为传统装置的 1/10~1/15，适配车载、分布式等紧凑场景。采用逆流换热结构，无需外部加热，仅靠 10%~20% 的氨气燃烧即可驱动其余氨气裂解。
Absstract of: CN122722194A
0001 本申请提供了一种微波谐振等离子体炬裂解氨制氢装置，包括：反应组件，包括：壳体，具有在第一方向上相间隔设置的封闭端和开口端，封闭端和开口端之间形成谐振腔，壳体形成与谐振腔连通的进气口；中心电极，在谐振腔内设置于封闭端，并被构造成沿第一方向延伸；微波组件，适用于产生微波，并具有与第一方向相交的第二方向上延伸的传输波导，微波通过传输波导传输后馈入谐振腔，并在谐振腔内发生谐振，以在中心电极的背离封闭端的尖端周围形成等离子体区域，使得从进气口流入的氨气在经过等离子体区域时发生裂解反应，生成包含氢气的裂解气。
Absstract of: CN122727896A
本发明提供了一种复合电镀电极及其制备方法、碱性电解槽，制备方法包括，先在导电基体上电镀镍‑;钴‑;铁‑;钼‑;镨多元合金催化层，再于其上电镀残余应力更低的镍或镍合金柔性保护层，两层间形成冶金结合。该电极在保留多元合金高析氢活性的同时，柔性层可有效约束内层应力、抑制裂纹扩展，在300mA/cm2下析氢过电位低于85mV，超声空化失重率低于0.4mg/cm2，兼顾了优异的催化性能与服役寿命。
Absstract of: CN122725190A
本发明公开了一种含轻金属氢化物的镁基复合制氢材料及其制备方法和应用，以及轻金属氢化物在改善氢化镁水解制氢性能中的应用。镁基复合制氢材料包括氢化镁和多元轻金属氢化物LixNa(1‑x)MgH3，其中x表示原子比且取自0~1。本发明合成过程简单可控、成本低，通过添加少量轻金属氢化物即可显著改善氢化镁材料的水解性能，且原料皆可通过商业渠道购买，添加方式可为直接与原料混合。
Absstract of: CN122722255A
0001 本发明属于氢能催化与功能材料技术领域，具体涉及一种NiBaTiO<3>光热催化剂及制备方法和应用。本发明选用水热法制备得到BaTiO<3>作为Ni的钙钛矿型载体，通过载体结构、表面电子态及孔结构调控，能够有效减小Ni物种晶粒尺寸，提高镍活性物种分散性，实现对Ni活性组分的稳定分散和光热响应增强，本发明中的NiBaTiO<3>光热催化剂带隙更窄，具有更强的光吸收能力，更适合光热协同催化；催化剂在较宽温度区间内表现出优异的氨分解制氢活性，且光热催化性能优于纯热催化性能；催化剂在长时间连续反应中仍保持较高活性，稳定性优异。
Absstract of: CN122727859A
本发明为一种硅/锡掺杂锌铁水滑石电催化剂及其制备方法、应用。一种硅/锡掺杂锌铁水滑石电催化剂的制备方法，包括以下步骤：（1）将泡沫镍放入混合溶液中进行水热反应，反应结束后，干燥，得锌铁水滑石催化剂；所述的混合溶液中包括：锌盐、铁盐、氟化铵、尿素、水；（2）将所述的锌铁水滑石催化剂放入四氯化硅或四氯化锡中浸泡改性，得所述的硅/锡掺杂锌铁水滑石电催化剂。本发明所述的一种硅/锡掺杂锌铁水滑石电催化剂及其制备方法、应用，具有成本低、催化效果好、稳定性强的优势。
Absstract of: CN122727831A
0001 本发明公开了一种催化电极及其制备方法和应用，涉及催化电极技术领域。本发明的制备方法包括以下步骤：将泡沫基材进行压缩，压缩后的泡沫基材负载催化剂，得到所述催化电极；其中，基于所述泡沫基材的厚度，所述压缩的压缩量为10~80%。本发明的方法得到的催化电极既保证了气体、液体快速传递扩散，为电解水分解反应提供充足活性位点，又具有足够的结构强度与刚度，在电解槽装卸时能够减少对电极的破坏和弯折，并且传质路径降低、欧姆阻力下降、电解效率升高，尤其适用于电解水制氢领域，其催化活性优异，可以有效提升制氢效率。
Absstract of: CN122727851A
本申请属于电解水制氢技术领域，具体涉及一种电解水用阴极催化层及其制备方法。所述电解水用阴极催化层包括气体扩散层和覆盖于气体扩散层上的催化剂层；所述催化剂层包括阴极催化剂、亲水材料、导电材料和阴离子树脂；所述亲水材料为纳米氢氧化镁。本申请的有益效果包括：本申请所述电解水用阴极催化层通过添加纳米氢氧化镁吸水材料，提高催化层的含水量，防止在干阴极运行条件下，由于温度和AEM厚度均匀性差异导致阴极缺水，进而导致电解槽性能下降，使用寿命短的问题。
Absstract of: CN122727849A
本发明涉及电解水制氢技术领域，公开了一种电催化剂及其制备方法和应用。所述制备方法包括以下步骤：导电基底存在下，将含有钼源、钴源和氟源的水溶液进行水热反应，所得产物经含氢还原气氛进行热处理，得到负载于导电基底上的MoO2/CoMoO3复合结构；在碱性电解液中，对所述负载于导电基底上的MoO2/CoMoO3复合结构进行原位电化学重构，得到所述的电催化剂。本发明解决了现有非贵金属催化剂活性低、易腐蚀、抗氯能力差的痛点，所得电催化剂在500mA·cm‑2工业级电流密度下过电位仅186mV，5000h连续运行电位变化幅度小，展现出远超纯相材料的活性与稳定性，适配工业级制氢场景。
Absstract of: CN122722285A
本发明属于催化材料技术领域，具体涉及一种A位缺位钙钛矿氮氧化物及其制备方法和应用。A位缺位钙钛矿氮氧化物的化学式为La1‑xTiO3‑1.5y‑δNy，其中0＜x≤0.36，0.53≤y≤0.67，0.02≤δ≤0.24。本发明通过优化钙钛矿A位晶格结构中的La3+离子空位浓度，引入A位晶格化学压和局域晶格应力，诱发B位Ti离子3d t2g轨道能量退简并，增强3d(Ti)‑2p(O)价层轨道的共价杂化程度，进而降低价带位置、增大本征带隙、减小深能级缺陷、抑制光生电荷复合，最终实现材料光电性能和光化学性能的有效提升。本发明为钙钛矿氮氧化物光电功能材料的性能优化提供了重要分子设计参考依据。
Absstract of: CN122727854A
0001 本发明公开了一种富含氧缺陷的Mn<7>O<13>/NiCo‑LDH异质纳米材料及其制备方法与应用。该材料包括原位生长于支撑骨架表面的NiCo‑LDH，Mn<7>O<13>分布在NiCo‑LDH表面形成的Mn<7>O<13>/NiCo‑LDH。通过水热反应合成原位生长于支撑骨架表面的NiCo‑LDH，再通过水热反应获得Mn‑MOF/NiCo‑LDH，最后进行电化学CV重构而得。合成工艺操作简单，原料易得，可重复性强，所得材料具有丰富的氧缺陷、电催化活性位点和优化的界面电荷分布，在尿素氧化反应、析氢反应及尿素氧化反应辅助的全解水反应中展现优异的电催化性能，实现“低能耗制氢‑废水净化”双重协同。
Absstract of: US20260265924A1
An electrolysis system contains: at least one electrolysis cell; a cathode-side water circuit having a hydrogen separator; an anode-side water circuit having an oxygen separator; an equalization connection which leads, coming from a cathode-side water connection, to the anode-side water circuit via a pump and an ion exchanger via a node point and an operating line; and an idle line which branches off upstream of the control line and leads to the cathode-side gas connection.
Absstract of: WO2026185723A1
An electrolyzer cell is disclosed, which comprises two frame parts (10) mechanically coupled to each other and having respective central openings (24), which define an active chamber of the cell. The frame parts (10) are identical to each other and are made of plastic material, in particular thermoplastic material, so that they can be manufactured using the same moulding tool, thereby reducing the manufacturing costs.
Absstract of: US20260265934A1
A water electrolyzer includes an anode formed by a sulfur-doped (Ni,Fe)OOH (S—(Ni,Fe)OOH) electrode. The water electrolyzer also includes a cathode formed by NiMoN nanowire arrays supported on Ni foam.
Absstract of: US20260265935A1
An electrode for electrochemical cells designed to perform electrolysis is a support formed with an open porous metal structure and provided, on the outward-facing surface facing a separator of an electrochemical cell, with a coating that increases the specific surface area or with a coating that increases the specific surface area and exhibits increased catalytic activity. The coating is formed from a metal whose particles are bonded via material bonding to one another and to the surface of the open porous metal structure via sinter bridges and/or an organic binder. The coating is formed with multiple regions, between which uncoated interstices are arranged.
Absstract of: US20260265939A1
The present invention relates to an electrolyser system (10) comprising at least one electrolyser (20), the electrolyser (20) comprising at least one steam inlet (41) and at least one off-gas outlet (38; 39), and a turbocharger (62) for compressing off-gas from the electrolyser (20). The turbocharger (62) comprises a drive fluid inlet, a drive fluid outlet, a compression fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). The drive fluid outlet of the turbocharger (62) is fluidically connected to the at least one steam inlet (41) of the electrolyser (20). The at least one off-gas outlet (38; 39) of the electrolyser (20) is fluidically connected to the compression fluid inlet of the turbocharger (62). The system (10) can further can comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.
Absstract of: GB2633564A
A method of changing the electrolytic conversion rate within at least one electrolyser cell 10 stack 12 of an electrolyser system (figure 1, 20) is described. The stack 12 has a fluid inlet 114, fluid outlet 116 and a power control system 108. The power control system 108 is used to change the voltage, via a voltage interface 100 across the electrolyser cell stack 12, allowing the fluid outlet temperature 104 to change in response to the voltage change, setting an inlet temperature 106 to substantially match the new outlet temperature, and then allowing the voltage to revert to a substantially thermoneutral value. The electrolyser cell stack 12 is thus operating at a changed stack temperature and changed electrolytic conversion rate. A processor 110 and memory circuit 112 can also be provided for storing information such as preset current, voltage or power delivery changes. The current method may lead to a galvanostatic thermoneutral (GTN) strategy for electrolyzer stack control.
Absstract of: US20260269280A1
A part includes comprising a metal substrate and a layer of amorphous carbon-based material having sp2 hybridised bonds and sp3 hybridised bonds. The layer has a first content of sp3 hybridised bonds on the substrate side, anda second content of sp3 hybridised bonds on the side of an external surface of the layer,the first content being greater than the second content.An average content within the layer of sp3 hybridised bonds is between 5% and 65%and in that the content of sp3 hybridised bonds evolves continuously within the layer.
Nº publicación: US20260265940A1 10/09/2026
Applicant:
THYSSENKRUPP NUCERA AG & CO KGAA [DE]
thyssenkrupp nucera AG & Co KGaA
Absstract of: US20260265940A1
A feedwater preparation system in a water electrolyser is adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks using alkaline water and comprises a product gas conditioning system that has a safety valve out-blow material stream pipe which is connected to a feedwater vessel, and/or has a depressurisation stream pipe from a gas cleaning vessel which is connected to the feedwater vessel.
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