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Method for preparing water splitting catalyst for hydrogen production having heterostructured nanotube structure and water splitting catalyst prepared thereby

Absstract of: KR20260105107A

본 발명은 니켈 폼 상에 산화아연 나노로드를 성장시키는 단계; 상기 산화아연 나노로드가 형성된 니켈 폼에 전착(electrodeposition)에 의하여 텅스텐이 도핑된 산화니켈(W-NiO) 및 황화크롬(Ⅲ)(Cr2S3)을 증착시키는 단계; 및 상기 니켈 폼으로부터 상기 산화아연 나노로드를 에칭하여 제거하는 단계를 포함하는 수전해 촉매의 제조방법을 제공한다. 아울러, 니켈 폼; 및 상기 니켈 폼 상에 형성되고, 니켈 산화물 나노튜브 및 크로뮴 황화물 나노튜브를 포함하는 나노튜브 이종 구조를 포함하는 수전해 촉매를 제공하는 것을 목적으로 한다. 상기 수전해 촉매는 산소발생반응 및 수소발생반응에 모두 적용되어 우수한 활성을 나타낼 수 있다.

Electrochemical Method for Producing Hydrogen and Sulfuric Acid with Suppressed Sulfur Dioxide Crossover

Absstract of: KR20260104738A

0001a 본 발명은 이산화황의 크로스오버가 억제된 전기화학적 수소 및 황산 제조방법에 관한 것으로, 염기 조건에서 이산화황 가스를 원료 가스로 주입함으로써, SO, Subattributes={}; value=2, /H, Subattributes={}; value=2, O 전기화학셀에서 이산화황의 크로스오버를 현저히 감소시킨 이산화황 가스로부터의 수소 및 황산의 제조방법을 제공하는 것으로, 이산화황 가스의 손실을 낮추고, 환원극에서의 다양한 전기화학적/화학적 부반응을 억제하여 셀전압의 상승을 방지하므로, 우수한 수소생산 효율을 가지면서 전해조가 장기간 구동되도록 할 수 있다.

탄소나노튜브 담지 질소 도핑 촉매 및 그 제조 방법

Absstract of: CN120006332A

The invention relates to the field of hydrogen production by electrolyzing water, and discloses a Ru-containing catalyst for hydrogen evolution by electrolyzing water, a preparation method of the Ru-containing catalyst and a method for producing hydrogen by electrolyzing water. The catalyst contains at least one of a tubular graphitized carbon structure, a layered graphitized carbon structure and an amorphous graphitized carbon structure; the content of the metal Ru in the catalyst is 1-7wt%, and the average particle size of the metal Ru is 2-5nm. The graphitized structure of the catalyst is beneficial to conduction of charges, Ru and defect sites on the surface of Ru form strong interaction, the utilization efficiency of precious metal is improved, and the catalyst has high hydrogen evolution catalytic activity.

钛多孔质体和氢的制造方法

Absstract of: JP7531069B1

To provide a titanium porous body in which at least one surface is relatively smooth and which excels in compressive resistance.SOLUTION: This titanium porous body is in the form of a sheet. In the titanium porous body, the maximum height Rz of at least one surface is 5 μm or less, the irreversible deformation amount during pressure application at 100 MPa is 0.2% or less, and the thickness is 500 μm or less.SELECTED DRAWING: None

基于自适应PID的碱液浓度流量调节系统及方法

Absstract of: CN122331681A

0001 本申请涉及自动化控制的技术领域，公开了一种基于自适应PID的碱液浓度流量调节系统及方法，该系统包括数据采集模块，用于采集每个循环节点的碱液浓度；数据处理模块，基于所述碱液浓度分别构造每个循环节点的浓度序列；浓度分析模块，基于每个循环节点的浓度序列计算碱液浓度的响应特征指标；控制策略模块，基于碱液浓度的响应特征指标识别浓度响应异常，并基于浓度响应异常的类型匹配对应的流量控制策略；流量调节模块，基于流量控制策略对碱液的循环流量进行实时调节。本申请通过识别不同的异常状态并进行针对性的循环流量调节，提高了碱液浓度调控的稳定性和准确性。

用于水电解池的膜电极组件、其制造方法及包括该膜电极组件的水电解池

Absstract of: WO2025143401A1

The present disclosure relates to a membrane-electrode assembly for a water electrolysis cell, a manufacturing method therefor, and a water electrolysis cell comprising the membrane-electrode assembly for the water electrolysis cell. The membrane-electrode assembly for the water electrolysis cell comprises: a first ion conductor for forming a coating layer coated on the surface of a oxygen evolution reaction catalyst; and a second ion conductor, which is not coated on the surface of the oxygen evolution reaction catalyst, and thus the interfacial binding strength between a polymer electrolyte membrane or a porous diffusion layer (PTL) and the oxygen evolution reaction catalyst can be increased to improve mass transfer, performance and durability.

水电解池的析氧反应用催化剂、包含该催化剂的水电解池用膜电极组件及水电解池

Absstract of: WO2025135514A1

The present disclosure relates to: a catalyst for an oxygen evolution reaction of a water electrolysis cell; and a membrane-electrode assembly for a water electrolysis cell, and a water electrolysis cell, comprising same. By modifying the surfaces of core particles included in the catalyst for an oxygen evolution reaction of a water electrolysis cell, so as to be hydrophobic, durability against water during a reaction can be improved, and at the same time bonding with ion conductor side chains can be increased, thereby improving performance and durability.

用于水电解池析氧反应的催化剂及其制造方法、以及包含该催化剂的用于水电解池的膜电极组件及水电解池

Absstract of: WO2025135513A1

The present disclosure relates to a catalyst for an oxygen evolution reaction of a water electrolysis cell, a manufacturing method therefor, a membrane-electrode assembly for a water electrolysis cell including same, and a water electrolysis cell. The catalyst for the oxygen evolution reaction of a water electrolysis cell includes a heterogeneous noble metal composite which has a nanowire shape and includes different first and second noble metal oxides in a node structure, whereby the catalyst can reduce the amount of the noble metals used while improving performance and can enhance performance and durability depending on the types and lengths of the noble metals forming the heterogeneous noble metal composite.

异构电解槽制氢系统的碱液调控方法、装置及电子设备

Absstract of: CN122327304A

本申请公开了一种异构电解槽制氢系统的碱液调控方法、装置及电子设备，电解槽制氢系统包括至少两个电解子槽异构电解子槽，各电解子槽对应配置一个泵组单元。通过获取各电解子槽的实时运行参数；基于各电解子槽的实时运行参数以及各电解子槽的属性参数，确定各电解子槽对应的当前工况；基于至少两个电解子槽的当前工况，在多个预设调控模式中确定电解槽制氢系统的目标调控模式；基于目标调控模式的预设调控策略以及各电解子槽的实时运行参数，控制各电解子槽对应的泵组单元，以对各电解子槽的进液流量或进液流速进行调节。通过上述方法，可以匹配各子槽在不同负荷下的最佳运行需求，并且保证流量的高精度控制和循环泵的高效率运行。

一种电解水制氢系统热管理控制装置及方法

Absstract of: CN122327305A

0001 本发明公开了一种电解水制氢系统热管理控制装置及方法，装置与主循环管路并联耦合，包括：中央热管理控制单元，以及防冻保温循环旁路模块；防冻保温循环旁路模块包括流向切换单元，被配置为在第一状态和第二状态之间切换；在第一状态，导通电解槽与主循环管路；在第二状态，切断电解槽与主循环管路中的散热通路，并导通电解槽与旁路模块以形成闭环保温回路；热补偿单元，串联在闭环保温回路中；回路内侵入式温度监测单元，其温度传感探针穿透并密封于闭环保温回路的管壁，直接接触流经管路内部的工质流体；以及，介质补给与调节端口，设置于循环泵上游的管段，并配置为在闭环保温回路运行期间，能够与外部供液源连通以向回路内补充或调节工质。

Electrolyte adaptive to nuclear energy high-temperature environment, preparation method, single cell, solid oxide electrolytic cell stack, nuclear energy coupling solid oxide electrolytic cell hydrogen production device and application

Absstract of: CN122325222A

The invention relates to the technical field of nuclear energy and new energy crossing, and discloses an electrolyte adaptive to a nuclear energy high-temperature environment, a preparation method of the electrolyte, a single cell, a solid oxide electrolytic cell stack, a nuclear energy coupling solid oxide electrolytic cell hydrogen production device and application. The electrolyte provided by the invention comprises the following components in parts by weight: 95-98 parts of cerium oxide stabilized zirconium oxide as a matrix phase; the reinforcing phase is 2-5 parts by weight of nanoscale rare earth oxide; and the interface buffer layer is samarium-doped cerium oxide and is coated on the surface of the electrolyte, and the thickness of the interface buffer layer is 1-5 microns. The electrolyte is compounded according to specific components and proportions, a matrix phase-reinforced phase-interface buffer layer three-in-one composite system is formed, all the components have a synergistic effect, the matrix phase guarantees high ionic conductivity, the reinforced phase improves the high-temperature structural stability, the buffer layer solves the interface thermal mismatch problem, and the high-temperature structural stability is improved. The three synergistically realize unification of high-temperature stability and high conductivity of the material.

一种稀土金属与过渡金属共改性的介孔铱基析氧催化剂及其制备方法和应用

Absstract of: CN122327291A

本发明公开了一种稀土金属与过渡金属共改性的介孔铱基析氧催化剂及其制备方法和应用，通过水热组装与声化学掺杂工艺，使稀土、过渡金属在催化剂中均匀分布，构建电热传导位点与电化学催化位点一体化的双活性中心，避免能量损耗，大幅提升电热与电化学催化的协同效率，实现“电热驱动降低能垒，电化学催化加速电子转移”的高效析氧。所得催化剂铱载量低、稳定性优异，制备工艺简单可控，可规模化生产；将其应用于质子交换膜电解水阳极，能显著提升制氢的能量转化效率，降低制氢成本。

Electrolytic cell system optimization control method based on photovoltaic output prediction

Absstract of: CN122327306A

The invention relates to the technical field of new energy hydrogen production, and particularly discloses an electrolytic cell system optimization control method based on photovoltaic output prediction, which comprises the following steps: S1, acquiring historical operation data of a photovoltaic system, and predicting a photovoltaic output sequence in a future preset duration based on a long-short-term memory neural network model of particle swarm optimization; s2, dividing the preset duration into a power rising stage and a power falling stage according to the peak moment of the photovoltaic output sequence; s3, for the power rising stage, dividing the power rising stage into a plurality of first sub-intervals according to a first preset period, calculating the average photovoltaic output in each first sub-interval, and determining the lower limit of the starting number of the electrolytic cell array in each first sub-interval; aiming at the power reduction stage; by the adoption of the technical scheme, the technical problems that in the prior art, an electrolytic cell in a photovoltaic hydrogen production system is started and stopped frequently, equipment loss is unbalanced, and the photovoltaic absorption rate is low can be solved.

结合电沉积与激光加热制备氧化物光电极的方法及应用

Absstract of: CN122327280A

0001 本发明公开了一种结合电沉积与激光加热制备氧化物光电极的方法及应用，属于新能源材料领域。包括以下步骤：在导电玻璃上通过电沉积法沉积金属薄膜；对所述金属薄膜进行激光辐照，使其氧化转化为纳米氧化物薄膜，得到纳米氧化物薄膜光电极。本发明结合电沉积法与激光加热技术，在导电玻璃上快速制备纳米氧化物薄膜光电极，具有制备周期短、能耗低、工艺简单、环境友好等优点，所制备的光电极在光电催化水分解反应中表现出优异的光响应性能，可用于太阳能驱动的水分解制氢或制氧。

Electrochemical synthesis method of anisic aldehyde

Absstract of: CN122327251A

The invention provides an electrochemical synthesis method of anisic aldehyde. According to the method, carbon paste modified by a polyether sulfone skeleton embedded with an acidic group is used as an electrode material, under the action of electrolyte salt, 4-methyl anisole is subjected to electrochemical oxidation in an anode chamber to prepare anisaldehyde, and hydrogen is generated through electrochemical reduction in a cathode chamber. According to the method, the thermal stability, chemical stability and conductivity of the electrode can be enhanced, continuous and stable operation of an electrolysis device for more than 3000h is realized, anisaldehyde conversion can be realized in one step, and acetal hydrolysis reaction procedures are reduced.

一种RuO2/Fe2O3-Fe3O4异质结构催化剂的制备方法及其应用

Absstract of: CN122327297A

本发明本发明公开了一种RuO2/Fe2O3‑Fe3O4异质结构催化剂的制备方法及其应用，该催化剂的制备方法如下：通过浸泡法将三氯化钌负载到泡沫铁基底上，在空气中热处理得到RuO2/Fe2O3‑Fe3O4催化剂；催化层与泡沫铁基底之间的紧密结合，该结构能够显著提升电子传输效率和催化剂的稳定性，进而增强大电流条件下的催化活性及稳定性；此外，RuO2与Fe2O3‑Fe3O4之间形成的稳定界面结构，实现了电子结构的调控与功能的分工；具体而言，Fe2O3‑Fe3O4凭借其快速的水解离特性，促进水分子的吸附与解离，为反应提供*H中间体；而RuO2则凭借其适宜的*H吸附能，负责氢*H中间体的吸附与脱附。

一种富勒烯基(Mo2C-WC)/C60电催化剂及其制备方法与应用

Absstract of: CN122327287A

本发明公开了一种富勒烯基(Mo2C‑WC)/C60电催化剂及其制备方法与应用，所述电催化剂由氧化钼、氧化钨、富勒烯组成；其中，钼原子与钨原子的摩尔比为(0.5~2):1，且钼原子与钨原子的摩尔数之和与富勒烯中碳原子的摩尔数之比为1:20。所述制备方法包括以下步骤：将富勒烯、氧化钼和氧化钨混合制备得到混合物前驱体；在氩气气氛下，将混合物前驱体进行高温煅烧，获得（碳化钼‑碳化钨）/富勒烯碳材料；将（碳化钼‑碳化钨）/富勒烯碳材料酸洗去除反应生成的金属单质，最后干燥得到富勒烯基(Mo2C‑WC)/C60电催化剂。本发明的电催化剂形成了独特的W‑Mo异质结，具有很大的比表面积和电化学活性面积，能够暴露更多的活性位点，使得催化剂的电催化析氢能力得到极大的增强。

Ni/Co共掺杂Fe(OH)3复合电催化材料及其制备方法与应用

Absstract of: CN122327294A

本发明涉及电催化材料技术领域，公开了Ni/Co共掺杂Fe(OH)3复合电催化材料及其制备方法与应用。制备方法为：Fe(NO3)3·9H2O作为铁前驱体、Ni(NO3)2·6H2O与Co(NO3)2·6H2O分别作为Ni2+和Co2+的掺杂源，配制成混合前驱体溶液；将清洗后的导电基底干燥；然后将导电基底置于电化学反应体系中进行沉积，沉积完成后，冲洗并干燥。本发明通过引入Ni和Co元素对Fe(OH)3的电子结构和表面性质进行协同调控，提高了材料的导电性和活性位点密度，降低析氧反应的过电位并提升催化反应动力学性能，为开发高性能非贵金属电催化剂以及降低电解水制氢成本提供新的技术方案。

Method for preparing F-doped catalyst by Joule thermal coupling rotary evaporation method, F-doped catalyst and application of F-doped catalyst

Absstract of: CN122327272A

The invention discloses a method for preparing an F-doped catalyst through a Joule thermal coupling rotary evaporation method, the F-doped catalyst and application, and relates to the technical field of catalyst preparation. The method specifically comprises the following steps: preparing an F-doped carbon black carrier and loading metal on the F-doped carbon black carrier through a Joule thermal coupling rotary evaporation method. The obtained F-doped catalyst has no phase separation phenomenon, and metal elements in the F-doped catalyst are uniformly distributed on the surface of the carbon carrier. The PtNi/FC alloy catalyst prepared by the invention has excellent hydrogen evolution efficiency in an alkaline environment.

Method for separating glycollic acid based on kilowatt-level galvanic pile and solubility difference

Absstract of: CN122327256A

The invention discloses a method for separating glycollic acid based on a kilowatt-level galvanic pile and solubility difference, and belongs to the technical field of electrochemical synthesis and chemical separation. The method comprises the following steps: by taking ethylene glycol as a raw material, carrying out electrooxidation reaction under the catalysis of a PdAu/Ni1-xO anode by adopting a zero-polar-distance anion exchange membrane kilowatt-level continuous flow stack to obtain a mixed solution containing sodium glycolate; after ethylene glycol is recycled through acidification and ethyl acetate extraction, high-purity glycollic acid is obtained through evaporative crystallization and low-temperature cooling crystallization according to the solubility temperature response difference of glycollic acid and sodium chloride. The electric pile disclosed by the invention can stably operate under the current density of 0.5-1.0 A/cm, and the power is greater than 1kW; the purity of the separated glycollic acid is high. According to the method, hydrogen production and added-value glycollic acid co-production are coupled, the technical problems of difficulty in amplification and low separation purity are solved, and the method is suitable for industrial green preparation of glycollic acid.

一种蝴蝶状NBS-COFs催化剂及制备方法

Absstract of: CN122325761A

本发明公开了一种蝴蝶状NBS‑COFs催化剂及制备方法，属于光催化技术领域，本发明首先利用蝴蝶状的噻吩砜基前驱体与硼酸基团发生席夫碱反应构筑含有缺电子体及硼砜基共价有机骨架（BS‑COFs），其甲基为后续羟醛缩合反应提供基础，其次，采用后修饰法将氨基化合物上醛基与BS‑COFs上甲基发生羟醛缩合反应，形成具有氨基化大共轭体系兼缺电子体结构的NBS‑COFs催化剂；再次，氨基上孤对电子与Pt上空轨道定向锚定，进而实现Pt的高度分散。通过引入噻吩砜扩大光吸收范围，平面结构有利于光生电荷沿骨架传输。噻吩砜联合缺电子体加速光生载流子的分离与传输，共轭体系避免电荷的复合，用于光解水产氢，具有优异的产氢速率和稳定性，在光催化领域具有良好的前景。

一种多相异质结构的电催化剂及其制备方法和应用

Absstract of: CN122327290A

本发明属于碱性电解水的催化剂的技术领域，公开了一种多相异质结构的电催化剂及其制备方法和应用，该电催化剂是将预处理的泡沫镍浸泡在混合溶液中在120~200℃进行水热反应，在泡沫镍上原位生长NiCo2O4纳米锥，记作NF@ NiCo2O4；将其浸泡到电解液中，采用恒电流极化法在NF@NiCo2O4上沉积CeO2制得NF@NiCo2O4@CeO2；再采用气相沉积法，将硫和NaH2PO2的混合粉末与NF@NiCo2O4@CeO2在200~400℃氩气氛下制得NF@NiCo2O4@CeO2‑P‑S。本发明的S和P共掺杂的NiCo2O4@CeO2多相异质结构电催化剂可用于碱性析氧反应。

Ammonia Apparatus

Absstract of: KR20260103372A

본 발명은 암모니아가 저장되는 암모니아 저장 탱크; 상기 암모니아 저장 탱크에서 공급되는 암모니아를 가열하는 히터; 암모니아를 수소와 질소로 분해하는 반응기; 상기 반응기에서 배출된 수소가 연소되는 엔진; 상기 반응기에서 배출된 질소가 저장된 질소 저장 탱크; 및 상기 반응기를 통과한 질소를 외부로 배출하는 배출관;을 포함하고, 상기 질소 저장 탱크에 저장된 질소를 상기 히터 및 상기 반응기를 통과시켜, 상기 반응기를 예열한 후에 상기 배출관을 통해서 외부로 배출하는 것을 특징으로 하는 암모니아 장치에 관한 것이다.

一种氧化锡量子线作为催化剂在水解离反应中的应用

Absstract of: CN122327244A

本发明涉及一种氧化锡量子线作为催化剂在水解离反应中的应用，属于催化剂技术领域。本发明的氧化锡量子线的制备包括以下步骤：S1、将锡源加入由油酸与油胺组成的混合溶剂中，搅拌均匀，得到前驱体溶液；S2、向前驱体溶液中滴加无水乙醇，滴加后搅拌，经密封加热反应、自然冷却、离心、洗涤、纯化及真空干燥，得到所述氧化锡量子线。通过精准调控氧化锡量子线的桥位羟基含量，加速水分子极化，提升H+/OH‑生成速率，降低双极膜反向偏压，实现水解离过程高效稳定进行。在该应用体系中，桥位氧空位比例（COv）与水解离过电位（ηwd）满足对数函数关系，可通过材料结构参数对水解离活性实现定向预测。

一种裂解水蒸汽制氢的裂解剂及制备方法

Nº publicación: CN122321951A 03/07/2026

Applicant:

陕西智信创佳科技有限公司

Absstract of: CN122321951A

0001 本发明公开了一种裂解水蒸汽制氢的裂解剂及制备方法，该裂解剂主要由铝基合金、催化剂、助剂、载体和凝固剂组成，其制备方法利用了溶胶及多孔类载体材料的多孔吸附特性，以海绵为介质制造出像筛网一样可透气裂解剂产品，可有效提高裂解剂与水蒸汽的接触面积，确保流经裂解剂截面的水蒸汽流量均匀，保证了氢气生产的稳定性和裂解剂的使用效率，为裂解水蒸气制氢技术的商业化应用提供了良好的技术方案。