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水电解池的析氧反应用催化剂的制造方法、包含由此制造的催化剂的水电解池用膜电极组件以及水电解池

Resumen de: WO2025135348A1

The present disclosure relates to a method for preparing a catalyst for an oxygen evolution reaction in a water electrolysis cell, and a water electrolysis cell membrane-electrode assembly and a water electrolysis cell, which comprise the catalyst prepared using same, and the method for preparing a catalyst for an oxygen evolution reaction in a water electrolysis cell comprises preparing a plurality of noble metal oxide seeds, and preparing a noble metal oxide aggregate by using the plurality of noble metal oxide seeds, thereby increasing the surface area thereof by means of pores between noble metal oxide particles, and thus performance and durability can be improved.

水および鉄から水素および磁鉄鉱を製造する方法

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.

탄소나노튜브 담지 질소 도핑 촉매 및 그 제조 방법

Resumen de: 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.

DEHYDROGENATION REACTION SYSTEM AND CONTROL METHOD THEREOF

Resumen de: KR20260105156A

0001a 일실시예에 따른 탈수소화 반응 시스템은 화학적 수소화물 수용액과 산수용액의 화학적 반응에 의해 수소 가스를 생성하는 탈수소화 반응기; 상기 탈수소화 반응기로 공급되는 산을 저장하는 산 탱크; 상기 탈수소화 반응기로 공급되는 중화제가 포함된 화학적 수소화물 수용액을 저장하는 화학적 수소화물 탱크; 및 상기 탈수소화 반응기로 제1 설정량의 물과 제2 설정량의 산수용액을 공급하고, 상기 물과 상기 산수용액이 상기 탈수소화 반응기로 공급된 후, 상기 탈수소화 반응기로 제1 설정 유량의 화학적 수소화물 수용액을 공급하는 제어기를 포함할 수 있다.

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

Resumen de: 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.

DURABILITY-ENHANCED OXYGEN EVOLUTION ELECTRODE CATALYST METHOD FOR PRODUCING SAME AND WATER ELECTROLYSIS DEVICE INCLUDING SAME

Resumen de: KR20260104461A

본 발명은 비스무스(Bi)가 도핑된 이리듐 옥사이드를 포함하는 산소 발생 전극촉매 에 관한 것이다.

METHOD FOR MANUFACTURING CATALYST INCLUDING RUTHENIUM OXIDE INCORPORATED WITH METAL AND POLYMER ELECTROLYTE MEMBRANE WATER ELECTROLYSIS APPARATUS INCLUDING THE SAME

Resumen de: KR20260105140A

0001a 개시된 촉매의 제조 방법은, 루테늄 전구체, 루테늄과 다른 금속을 포함하는 이종 금속 전구체 및 할로겐화 알칼리 금속의 복합체 분말을 준비하는 단계, 상기 루테늄 전구체의 녹는점 보다 높고, 상기 할로겐화 알칼리 금속의 녹는점 보다 낮은 온도에서 1차 열처리를 진행하는 단계 및 상기 1차 열처리 보다 높은 온도에서 2차 열처리를 진행하여 이종 금속이 도핑되고 나노시트 형태를 갖는 루테늄 산화물을 형성하는 단계를 포함한다. 상기 루테늄 산화물은 이차원 형태를 가짐에 따라, 높은 전기화학적 표면적을 가질 수 있으며, 이종 금속 도핑을 통해 개선된 내구성을 가질 수 있다.

ENHANCED SURFACE AREA OXYGEN EVOLUTION ELECTROCATALYST METHOD FOR PREPARING SAME AND WATER ELECTROLYSIS DEVICE INCLUDING SAME

Resumen de: KR20260104458A

본 발명은 Bi2Te3 할로우 나노와이어 지지체; 및 상기 Bi2Te3 할로우 나노와이어 지지체에 담지된 이리듐 또는 이리듐 산화물;을 포함하는 산소 발생용 전극촉매에 관한 것이다.

- Method for manufacturing nickel-ruthenium nano catalyst electrode through a single process

Resumen de: KR20260105120A

본 발명은 단일 공정을 통한 니켈-루테늄 나노 촉매 전극 제조 방법에 관한 것으로, 보다 자세하게는 금속 전구체와 유기물을 반응시켜 단일 공정으로 나노 촉매를 전극 위에 합성하며, 이를 통해 지지체와의 안정적인 화학적 결합을 통해 촉매의 수명 연장 및 물리적 탈착 문제를 해결하는 단일 공정을 통한 니켈-루테늄 나노 촉매 전극 제조 방법에 관한 것이다.

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

Resumen de: 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.

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

Resumen de: 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.

一种电解水制氢系统热管理控制装置及方法

Resumen de: 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。

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

Resumen de: 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.

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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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.

Multi-main-chain copolymerized polyaryl anion exchange membrane as well as preparation method and application thereof

Resumen de: CN122325724A

The invention provides a multi-main-chain copolymerized polyaryl anion exchange membrane as well as a preparation method and application thereof, and the preparation method of the multi-main-chain copolymerized polyaryl anion exchange membrane comprises the following steps: carrying out polycondensation on an aromatic compound, N-methylpiperidone and 3-quinuclidinone hydrochloride under the catalysis of superacid to obtain a polymer intermediate; carrying out quaternization reaction on the polymer intermediate, end-halogenated perfluoro long-chain alkane and methyl iodide, and introducing a hydrophobic side chain to obtain membrane powder; and finally, dissolving the film powder and coating to form the film. The 3-quinuclidone is introduced to participate in copolymerization, so that the molecular weight and the alkali resistance of a main chain of the polymer are effectively improved; meanwhile, by introducing a perfluoroalkane hydrophobic side chain, a hydrophilic-hydrophobic phase separation structure is constructed, and an effective ion transmission channel is formed. The obtained multi-main-chain copolymerized polyaryl anion exchange membrane has the advantages of low swelling ratio, high mechanical strength, high chemical stability, strong alkali resistance, low membrane resistance and the like, and can be widely applied to the fields of hydrogen production by water electrolysis and the like.

Ammonia Apparatus

Nº publicación: KR20260103373A 03/07/2026

Solicitante:

HD KOREA SHIPBUILDING & OFFSHORE ENG CO LTD [KR]
\uC5D0\uC774\uCE58\uB514\uD55C\uAD6D\uC870\uC120\uD574\uC591 \uC8FC\uC2DD\uD68C\uC0AC

Resumen de: KR20260103373A

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 반응기에 공기를 공급하는 공기 공급부; 및 상기 반응기에서 생성된 암모니아수가 공급되는 선택적 촉매환원부;를 포함하고, 상기 반응기에서는 암모니아가 수소와 질소로 분해되는 흡열 반응과 암모니아와 산소가 반응하는 발열 반응이 동시에 발생되어 암모니아수가 생성되고, 상기 선택적 촉매환원부는 상기 엔진에서 배출되는 배기가스의 질소산화물을 감소시키는 것을 특징으로 하는 암모니아 장치에 관한 것이다.