Resumen de: KR20260118584A
0001a 본 발명은 킬레이팅 에이전트와 전이금속 전구체가 용해된 침출용액에 니켈 및 침출금속의 합금을 침지시켜 침출금속을 침출시킴과 동시에 갈바닉 반응을 통해 전이금속 또는 전이금속 화합물을 침출금속이 침출된 위치에 담지하는 레이니 복합 니켈 촉매전극의 제조 방법에 관한 것이다.
Resumen de: CN122479774A
0001 本发明涉及一种ZnIn<2>S<4>/NiCo<2>O<4>光催化析氢的复合材料的制备方法及其应用。属于无机光催化领域。本发明在NiCo<2>O<4>原位生长出ZnIn<2>S<4>,形成异质结构,本发明在氙灯照射下,具有良好的光催化活性,复合后的材料的产氢速率最高大36.8mmol g<‑1>h<‑1>,可回收利用,循环稳定性良好。
Resumen de: CN122484793A
0001 本发明涉及AEM电解水膜电极领域,公开了AEM电解水膜电极及其制备方法。该AEM电解水膜电极包括从下至上依次设置的阴极催化层、阴离子交换膜、消氢层I和阳极催化层;任选地,在阴极催化层和阴离子交换膜之间还设有消氢层II;消氢层I含第一消氢层和第二消氢层,第一消氢层中的消氢催化剂选自铂、钯、铱中的至少一种;第二消氢层中的消氢催化剂选自氧化铈、氧化铜、氧化铝、氧化锆、氧化铌、氧化钽、氧化钨、氧化钇、氧化锶和氧化钒中的至少一种。该AEM电解水膜电极减少了第一消氢层中贵金属催化剂的使用量,且避免了贵金属暴露于高电位下发生氧化腐蚀失去消氢效果的问题,在AEM电解水制氢消氢领域具有广阔的应用前景。
Resumen de: CN122484805A
本发明公开了一种磷化镍布电极的制备方法及其应用。所述方法包括:对镍布依次进行乙醇清洗、酸洗、碱活化及电化学氧化预处理,其中电化学氧化在6M KOH溶液中以镍布为工作电极、碳棒为对电极、Hg/HgO为参比电极,于0.7 V(vs. Hg/HgO)恒电压下处理1小时;随后一次磷化生成片状磷化镍;再以过渡金属与稀土金属混合离子溶液为电解液,在磷化镍布表面电沉积异质金属;最后二次磷化形成Ni5P10晶相,得到自支撑复合电极。该工艺简洁、无粘结剂,所得电极在碱性水电解中表现出高活性、低过电位和长寿命,适用于大规模绿氢生产。
Resumen de: CN122487602A
0001 本申请实施例公开了一种消氢层寿命测试平台及测试方法。消氢层寿命测试平台包括:反应容器,具有气流通道和水流通道,反应容器用于安装分隔气流通道和水流通道的消氢层;气源装置,与气流通道连通,气源装置用于向气流通道供应氢氧混合气;以及检测装置,与气流通道连通,检测装置用于检测流经消氢层的气体中氢气的含量。该消氢层寿命测试平台可实现构建加速老化工况,直接强化消氢层的降解驱动条件,缩短测试周期,提升研发效率;同时其采用独立测试体系,在液态水环境下直接针对消氢层核心功能开展专项测试,排除干扰因素,使寿命评估结果更具可靠性。
Resumen de: CN122494004A
0001 本申请提供了一种AEM电解槽氧中氢浓度预测方法及相关装置,所述方法包括:确定AEM电解槽对应的多个核心机制;多个核心机制包括:跨膜浓差扩散机制、压差对流机制、旁路电流电解机制和循环流道混合机制;根据多个核心机制中每一核心机制进行模型构建,得到多个流量模型;根据多个流量模型计算多个氧中氢流量;计算多个氧中氢流量之和,得到目标氧中氢流量;构建AEM电解槽对应的氧中氢理论计算公式;根据氧中氢理论计算公式对目标氧中氢流量进行计算,得到目标氧中氢浓度。可以通过AEM电解槽对应的多个流量模型计算氧中氢流量,再结合理论公式计算得出氧中氢浓度,从而脱离实验建模实现氧中氢浓度的精准预测。
Resumen de: CN122484801A
本发明涉及碱性电解水制氢电极材料技术领域,具体为一种适用于波动工况碱性电解水双层电极及其制备方法,其中,双层电极包括电极基材,为多孔网,作为支撑基底;催化层,涂覆在电极基材上,包括用于提高高粗糙度与强结合力的多孔雷尼镍催化层与用于提升活性与耐蚀性的纳米镍异质结催化层。本发明具有:高活性;高结合力;超稳定;耐波动;低成本。通过底层粗糙化+热处理强化界面结合,实现极低失重率;能够在反向电流与波动启停工况下无明显性能衰减;能够直接用于10kW级及以上碱性电解槽,连续运行3个月无电势抬升。
Resumen de: CN122484800A
0001 本发明涉及电化学制氢技术领域,提供了一种析氢电极、其制备方法以及碱性电解水装置,包括:具有三维贯通多孔结构的多孔金属镍基底,包覆于多孔金属镍基底骨架表面的镍钼合金层,镍钼合金层为亲水疏气层,多孔金属镍基底通过氢气模板法电沉积得到且其孔道具有沿轴向逐渐扩展的锥形特征。与现有技术相比,本发明通过物理结构疏导与化学界面排斥的协同,锥形孔道在轴向建立拉普拉斯压力梯度主动驱动气泡加速排出,亲水疏气层大幅降低气泡粘附力,两者结合产生协同增强效应,实现气泡快速脱离,有效解决高电流密度下气泡滞留问题,显著降低电解能耗并提升运行稳定性。
Resumen de: CN122482401A
本发明属于新能源技术领域,公开了一种氨醇共分解制氢的方法,包括以下步骤:将催化剂置于反应装置中,然后向反应装置中通入混合反应气,其中:混合反应气包括气态氨和气态醇,进行氨醇共分解反应,制得氢气。本发明提出了一种氨醇共分解制氢的方法,以氨和醇为混合反应气,在非贵金属催化剂的作用下,即制得高产率氢气。同时解决了氨分解的高催化剂成本及醇分解制氢过程中的积碳问题,提高了制氢产率。本发明的氨和醇在共分解过程中,氨的存在有效抑制了醇的积碳产生,两者发生协同效应,使制氢产率高于氨和醇单独裂解制氢的产率之和。
Resumen de: CN122484837A
0001 本发明公开了一种非贵金属单原子修饰的二硫化钒催化剂及其制备方法与应用。所述催化剂由碳纤维自支撑导电网络、生长在碳纤维网络上的二硫化钒载体、以及锚定于所述二硫化钒载体表面的非贵金属单原子构成;其制备方法是先将碳纤维材料表面进行氧化预处理,再通过水热法在其表面原位生长二硫化钒材料,然后将表面生长二硫化钒的碳纤维材料浸泡在非贵金属源溶液中,干燥后通过退火还原法对其表面进行非贵金属单原子修饰,即得。该制备方法工艺简单、成本低廉、产率高、条件温和、所需设备简单、对环境友好,有利于实现工业化生产。将非贵金属单原子修饰的二硫化钒催化剂应用到电催化析氢反应中表现出优异的催化活性,在100 mA cm<‑2>电流密度下其最低过电位低至245 mV(相对于标准氢电极),塔菲尔斜率低至77.2 mV/dec。
Resumen de: CN122484787A
本发明属于太阳能集热器制氢技术领域,具体的说是基于宽光谱吸收光热材料的光热电解耦合制氢装置;包括太阳能集热器和制氢系统;所述太阳能集热器为集热器单元;所述反射镜的非反射面设有矩型架;所述矩型架两侧位于矩型架上下两侧均固定有侧板;位于同侧的两个相对的所述侧板之间均固定有三个连板;两个所述反射镜之间设有支架;所述支架顶部固定有连接套;所述连接套两侧设有集热管;所述支架与两个反射镜之间均设有第一弧板,且第一弧形板内开设有第一弧槽;所述第一弧槽位于反射面的一侧固定有第一擦拭层;本发明通过对反射镜与集热管的清洁,可以保障太阳能集热器稳定输出高温热能,满足电解水反应的恒温高温工况需求。
Resumen de: CN122484813A
本发明公开了一种具有三维连通网状结构的氧化铱催化剂的制备方法及催化剂,本发明以单分散二氧化硅微球为硬模板,将二氧化硅模板与含铱前驱体、硝酸钠混合球磨均匀,不添加任何有机溶剂;然后将混合物在空气气氛下加热至300~600℃进行亚当斯熔融反应,使铱前驱体氧化生成氧化铱;反应产物经水洗去除可溶性盐后,用碱液或氢氟酸溶液刻蚀去除二氧化硅模板,得到具有三维连通网状结构的氧化铱催化剂。本发明方法全程无需有机溶剂,工艺简单、环境友好;所制备的催化剂具有相互连通的开放网络骨架,孔道贯通性好,比表面积高达600~800 m²/g,克服了传统颗粒堆积型催化剂接触电阻大、传质受限的问题。
Resumen de: AU2024420420A1
This electrolysis cell comprises: an ion exchange membrane; a power feeder which is provided on the surface of the ion exchange membrane and composed of a plurality of fibers formed in a sheet shape; a binder layer that covers the surface of each of the fibers; and an electrode catalyst layer that contains catalyst particles at least partially protruding from the surface of the binder layer. At least a part of the catalyst particles protrudes from the surface of the binder layer. Consequently, the surface area of the exposed portion of the catalyst particles is increased, and thus the contact area with an electrolyte can be increased.
Resumen de: WO2026159939A1
A hydrogen production method according to the present disclosure includes a supply step for supplying water to a hydrogen boride member containing a two-dimensional arrangement of hydrogen boride, wherein hydrogen is generated as a result of the water contacting the hydrogen boride member.
Resumen de: WO2025012277A1
The invention relates to a method for the preparation of H2 from NH3. NH3 is introduced into a fixed-bed reactor at a gas temperature in the range from 550 to 850°C, in which fixed-bed reactor NH3 is decomposed on an NH3 decomposition catalyst partly into H2 and N2. The gas mixture obtained in this manner is discharged from the fixed-bed reactor at a gas temperature in the range from 300 to 700°C, is heated to a temperature in the range from 550 to 700°C and is then introduced into a tubular reactor in which further NH3 is decomposed on a nickel-based NH3 decomposition catalyst into H2 and N2. The gas mixture obtained in this manner is discharged from the tubular reactor at a gas temperature in the range from 550 to 750°C.
Resumen de: WO2026159979A1
This synthetic fuel generation system comprises: a synthetic fuel generation device that generates a synthetic compound and water by reacting hydrogen and carbon dioxide; a combustion unit that is supplied with a generated gas generated by the synthetic fuel generation device and combusts the generated gas; a heat supply unit that supplies combustion heat in the combustion unit to the synthetic fuel generation device; a generated gas delivery path through which the generated gas is delivered from the synthetic fuel generation device; a combustion supply path that branches from the generated gas delivery path and supplies the generated gas to the combustion unit; and a switching control unit that switches between a combustion mode in which the generated gas is delivered to the combustion supply path and a non-combustion mode in which the generated gas is not delivered to the combustion supply path.
Resumen de: WO2026159980A1
This synthetic fuel generation system comprises: a synthetic fuel generation device that reacts hydrogen and carbon dioxide to generate a synthetic compound and water; a product gas delivery path through which a product gas is delivered from the synthetic fuel generation device; a flowmeter that is provided in the product gas delivery path and measures the flow rate of the product gas; a resupply path that is branched off from the product gas delivery path and returns the product gas to the synthetic fuel generation device; and a switching unit that, when the ratio between the flow rate measured by the flowmeter and the flow rate of the raw material gas supplied to the synthetic fuel generation device exceeds a prescribed ratio, performs switching such that the entire amount of the product gas is delivered to the resupply path when the synthetic fuel generation device is running and such that the amount of the product gas exceeding the flow rate corresponding to the prescribed ratio is delivered to the resupply path when the synthetic fuel generation device is not running.
Resumen de: US20260218401A1
The present disclosure relates to a hybrid electrode including plasmonic nanoparticles and an electrolysis system including the same. The hybrid electrode and the electrolysis system including the same according to embodiments of the present disclosure may utilize a plasmonic-active (antenna–reactor) composite electrode to re-activate a catalyst surface via plasmonic phenomena during an electrochemical reaction.
Resumen de: US20260218402A1
0000 A membrane having excellent radical durability and low gas permeability, a membrane electrode assembly including the membrane, and a water electrolysis apparatus are provided. A membrane having a laminated structure including a layer B1, a layer A, and a layer B2 in this order, in which the layer A contains a hydrocarbon-based polymer (a) which has an ionic group and may be fluorine-substituted, and each of the layers B1 and B2 contains a perfluoro-carbon polymer (b) having an ionic group.
Resumen de: US20260218071A1
0000 The present disclosure relates to a system for producing hydrogen from feedstock and a method thereof. The system comprises a first chamber adapted to thermally decompose the feedstock, and a second chamber adapted to receive a first portion of the gaseous stream and to receive a first portion of the solids stream to form a reactants combination. The second chamber adapted to partially react the reactants combination with steam to produce a product gas. The system further comprises a third chamber adapted to receive a second portion of the gaseous stream and adapted to receive a second portion of the solids stream to form a combustibles combination. The third chamber adapted to at least partially combust the combustibles combination to produce process heat for the first chamber and/or the second chamber. The system further comprises a controller adapted to adjust the composition of the reactants combination and of the combustibles combination.
Resumen de: US20260217529A1
A hydrogen plant includes hydrogen liquefiers, individual pipes, a confluent pipe, and branch pipes. The hydrogen liquefiers convert hydrogen gas into liquefied hydrogen. The individual pipes respectively belong to the hydrogen liquefiers and serve as hydrogen flow passages. The confluent pipe includes a confluence where downstream ends of the individual pipes of the hydrogen liquefiers meet to combine to one, and a collecting pipe located at a downstream position of the confluence. The branch pipes respectively branch from the individual pipes to each take out hydrogen flow having a phase of gas or two phases of liquid and gas.
Resumen de: US20260217524A1
Among other things, a process for generating hydrogen by valorizing iron ore tailings (IOT) through the oxidation of remnant ferrous iron phases in the tailings is described. The IOT may be either wet (i.e., containing water) or dry (i.e., not containing water). The reaction may be performed using untreated IOT and may generate hydrogen gas capable of being used on site.
Resumen de: US20260221479A1
0000 The present invention provides a reinforced ion-conducting membrane comprising: (a) a reinforcing layer comprising a porous polymer structure; and (b) a polymeric ion-conducting membrane material impregnated within the porous polymer structure; wherein the porous polymer structure comprises a polymer backbone based on nitrogen-containing heterocycles and the polymeric ion-conducting membrane material has a transition temperature Ta in the range of and including 60 to 80° C.
Resumen de: AU2025213224A1
A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and 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 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: US20260218404A1 30/07/2026
Solicitante:
MITSUBISHI HEAVY IND LTD [JP]
MITSUBISHI HEAVY INDUSTRIES, LTD.
Resumen de: US20260218404A1
An electrolytic cell of the present disclosure includes a first separator, a second separator, an anion exchange membrane disposed between the first separator and a second separator, a cathode disposed between the first separator and the anion exchange membrane, and an anode disposed between the second separator and the anion exchange membrane. The first separator includes a flow path for supplying an electrolyte to the cathode, and at the cathode, at least part of the electrolyte supplied from the flow path is consumed to generate hydrogen and hydroxide ions. The second separator does not include a flow path for supplying the electrolyte to the anode, and at the anode, oxygen and water are generated by the hydroxide ions that have passed through the anion exchange membrane from the cathode in a state where the electrolyte is not supplied.