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1130
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Updated on
16/07/2026 [07:24:00]
Results 350 to 375 of 1130
Absstract of: WO2026127017A1
The present invention provides a solid polymer electrolyte membrane which has high durability during electrolysis and excellent proton conductivity. Provided is a solid polymer electrolyte membrane which contains a fluorine-containing polymer that comprises a unit having two or more ion exchange groups, wherein: the ion exchange capacity of the fluorine-containing polymer is 0.70-1.55 milliequivalents/g dry resin; and in the infrared spectrum obtained by measuring the fluorine-containing polymer by infrared spectroscopy, the ratio of the maximum absorbance I1690 at 1,690 ± 10 cm-1 to the maximum absorbance I2350 at 2,350 ± 30 cm-1 is 0.150 or less.
Absstract of: KR20260092266A
0001a 본 개시는 (S100) 코발트 및 철을 포함하는 비귀금속 전구체 및 니켈 전구체를 함유하는 전기 전착용 전해액에 니켈을 포함하는 산화전극을 침지하는 단계; 및 (S200) 환원전극에 전류를 인가하여 니켈과 비귀금속의 합금을 전착시키는 단계; 를 포함하는, 수소 발생 반응(HER)촉매 전극의 제조방법 및 이로 제조된 수소 발생 반응(HER)촉매를 이용한 수소 제조방법에 관한 것이다.
Absstract of: AU2024395036A1
The invention concerns a method of electrolysing water using an electrolyser comprising an anode; a cathode and optionally a separator; wherein at least one of the cathode and the separator comprises a substrate and a coating, and the coating comprises 9.5 to 35 wt% chromium; 10 to 75 wt% cobalt; and 10 to 60 wt% of one or more further transition metals and/or one or more non-metallic elements selected from C, P, N and B.
Absstract of: WO2025037092A1
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.
Absstract of: GB2702505A
A process for preparing a catalyst, as well as a catalyst, the catalyst comprising an oxygen evolution reaction electrocatalyst OER, a hydrogen oxidation reaction HOR electrocatalyst, and a particulate solid support are described. The OER electrocatalyst and the HOR catalyst are both supported on the particulate solid support. The OER is deposited from an aqueous mixture comprising a particulate solid support and a halide free metalate which comprises iridium and/or ruthenium. The pH of the mixture is reduced to ≤7 to precipitate the oxygenated metal into the solid particulate support. In the process, the OER electrocatalyst is deposited before the HOR electrocatalyst. The catalyst may be incorporated into a catalyst coated membrane (CCM) and used in a fuel cell. Figure 1a
Absstract of: KR20250001082A
The present invention relates to a ruthenium-based ammonia cracking catalyst and specifically, relates to an ammonia cracking catalyst in which ruthenium, which is an active metal, and potassium, which is an auxiliary metal, are on a yttria-stabilized zirconia support body containing lanthanum, and a manufacturing method thereof, wherein the ammonia cracking catalyst according to the present invention adjusts a ratio of ruthenium/potassium together with the lanthanum-containing yttria-stabilized zirconia-alumina support body even when a low content of ruthenium metal is used, minimizes the content of chlorine and nitrogen compounds, which are impurities within the catalyst, and designates a position of the active metal within the catalyst, thereby achieving a very high ammonia conversion rate and hydrogen production efficiency even at low temperatures compared to a catalyst having the same ruthenium metal content.
Absstract of: ES3070799A1
Method for manufacturing an electrode for the production of hydrogen and other chemical species, electrode obtained therefrom, and its use. The present invention discloses a method for manufacturing an electrode for hydrogen production in which an electrochemical cell is formed from sheets of porous material that have at least their surface coated with nickel. Between 5 g/m2 and 400 g/m2 of magnetite are electrochemically deposited onto the electrode for a period of between 2 and 60 minutes. The magnetite coating has a rough surface with discontinuous nanoscale surface structures and protruding elements ranging from 10 to 2000 nm. The present invention also relates to the electrode obtained by the proposed method and its use in the production of hydrogen by alkaline electrolysis, such that it is produced at a high current density and high efficiency. (Machine-translation by Google Translate, not legally binding)
Absstract of: EP4759698A1
The present invention relates to an offshore platform allowing carbon neutral fuel to be produced, stored and supplied, overcoming intermittency of renewable energy, the offshore platform comprising: a main body located offshore; a hydrogen production unit, disposed in the main body, for producing hydrogen via sea water electrolysis using a water electrolysis device and storing the hydrogen; an ammonia production unit, disposed in the main body, for synthesizing, via a first synthesis device, the hydrogen flowing in from the hydrogen production unit with nitrogen in the air to produce ammonia and storing same; a carbon dioxide storage unit, disposed in the main body, for storing carbon dioxide flowing in from the ship; and a methanol production unit, disposed in the main body, for synthesizing, by means of a second synthesis device, the carbon dioxide flowing in from the carbon dioxide storage unit and hydrogen flowing in from the hydrogen production unit to produce methanol and storing same.
Absstract of: EP4759969A1
The present invention discloses an electrode plate of an electrolysis apparatus and an electrolysis apparatus to which the electrode plate is applied. A direct current power supply is connected to the electrolysis apparatus and an electrolyte is injected into the electrolysis apparatus, to convert electric energy into chemical energy. The electrode plate includes a silicon-based electrode plate made of a doped conductive silicon material. The silicon-based electrode plate is electrically connected to the direct current power supply, and a flow channel is disposed on at least one surface of the silicon-based electrode plate, so that the electrolyte is input into the electrolysis apparatus through the silicon-based electrode plate, to implement an electrochemical reaction and output a reaction product. In the present invention, on a basis of maintaining good mechanical support and sealing function, material and process costs of the electrode plate of the electrolysis apparatus are significantly reduced, an overpotential of the electrochemical reaction for producing the reaction product is reduced, and an electrolysis reaction rate per unit area in the electrolysis apparatus is increased. Therefore, an operating voltage is effectively reduced at a same electrochemical reaction rate, and energy conversion efficiency of the electrochemical reaction is finally significantly improved.
Absstract of: KR20260090770A
본 발명은 수전해 시스템에서 수소를 고순도로 정제하기 위한 방법에 관한 것이다. 보다 구체적으로는 수전해 시스템에서 생성된 수소를 고순도로 정제하기 위해 PSA(압력 변동 흡착)와 TSA(온도 변동 흡착) 공정을 결합하고, 복수의 온도 변동 흡착 유닛(TSA Unit)을 교번적으로 동작함으로써, 수소에 포함된 미량의 불순물(산소, 수분 등)을 단계별로 제거하여 고순도의 수소로 정제하는 방법에 관한 것이다.
Absstract of: EP4759970A1
Object To provide iridium oxide suitable for proton exchange membrane-type water electrolysis, the iridium oxide having high initial activity and being excellent in stability during a long-term operation.Solution Provided is iridium oxide having a rutile structure, the iridium oxide being characterized by having: a crystallite size of 2.0 nm to 4.0 nm as calculated from a peak of a (110) plane of the rutile-structured iridium oxide determined by X-ray diffraction; and a BET specific surface area, measured by nitrogen adsorption measurement, of 70 m2/g to 120 m2/g.
Absstract of: CN122214905A
0001 本发明涉及二氧化碳辅助电解水技术领域，尤其涉及一种质子导体固体氧化物电解池及二氧化碳辅助电解水的方法。本发明提供了一种质子导体固体氧化物电解池，沿厚度方向，包括依次层叠设置的燃料电极支撑层、质子导体电解质层和空气电极层；所述燃料电极支撑层为多孔结构，且所述多孔结构在沿厚度方向上为贯通的树枝状孔道结构。所述质子导体固体氧化物电解质可以在电解水的过程中实现CO<2>的有效参与与稳定运行。
Absstract of: CN122209488A
0001 本发明公开了一种光催化分解水生成氢气的Ti‑MOF/Pt‑OH复合催化剂及制备方法，涉及水分解析氢用光催化剂技术领域；本发明包括采用六水合氯铂酸与氢氧化钠油浴回流反应后，盐酸酸化以沉淀Pt‑Cl纳米颗粒，再溶于DMF得到胶体溶液，其与金属有机骨架MOF材料MIL‑125‑NH<2>混合在溶剂中分散均匀并反应后，离心收集产物、洗涤、干燥，再在光照条件下在水溶液中通过成键作用形成Ti‑MOF/Pt‑OH复合催化剂；本发明制备方法温和简单、成本低廉、可控易操作，制得的光催化剂稳定性强，可以高效生成氢气，且能够重复利用。
Absstract of: CN122215074A
0001 本发明公开一种具有室温铁电性的超密纳米孪晶金红石TiO<2>薄膜材料及其制备方法和应用，属于铁电材料技术领域。该材料包括Al<2>O<3>衬底和生长在Al<2>O<3>衬底上的金红石TiO<2>薄膜铁电薄膜层，金红石TiO<2>薄膜铁电薄膜层通过脉冲激光沉积法外延生长在Al<2>O<3>衬底上；金红石TiO<2>薄膜铁电薄膜层存在超密纳米孪晶，空间群为P4/mnm，晶格常数a=b=4.594Å，c=2.959Å，α=β=γ=90°；超密纳米孪晶金红石TiO<2>薄膜极化沿面内分为3个方向，每个方向之间的角度为120°。本发明铁电薄膜具有室温铁电性，剩余极化强度高，性能优异；用于光催化产氢，较金红石TiO<2>薄膜产氢效率提高9.5倍以上。
Absstract of: CN122225432A
0001 本发明公开了一种直流离网光伏制氢系统暂态稳定判别方法，本发明涉及新能源技术领域，包括构建电解水制氢非线性状态方程，推导直流离网光伏制氢系统非线性状态方程，得到系统功率稳定运行边界；通过对仿真结果与稳定分析结果的对比，验证了本发明方法的有效性，为直流离网光伏制氢暂态稳定性分析提供新方法；本发明给直流离网光伏制氢系统暂态稳定性分析提供一种方法。该方法在引入电解槽动态特性、判断系统控制参数影响多个方面具有显著效果，并判定系统功率稳定运行边界判别精度相较于传统Lyapunov法提高17.6%。
Absstract of: CN122214925A
本发明涉及电催化与新能源技术领域，具体涉及一种MXene基催化剂及其制备方法与应用，包括MXene载体，所述MXene载体的表面负载有钌团簇，且所述MXene载体具有氧空位。本发明提供的催化剂降低了对贵金属Pt的依赖，抗毒化能力强，且通过VTi准锚定Ru，实现了Ru纳米团簇的高度分散和稳定负载，同时，在Ru锚定过程中原位诱导产生VO，形成了Ru与VO的协同调控体系，此外，本发明提供的MXene基催化剂在碱性海水（1 M KOH）中表现出与商业20% Pt/C相当的起始过电位，并在大电流密度下展现出更优的性能，且单位金属质量活性显著高于Pt/C。
Absstract of: CN122214941A
本发明公开了一种Ni4Mo/Ni(OH)2/NF催化剂及其制备方法和应用，属于电催化析氢技术领域。其制备方法包括：将泡沫镍进行超声清洗，得预处理泡沫镍；将柠檬酸三钠、钼源和镍源共溶于水中，得反应液；以预处理泡沫镍为工作电极，铂片为对电极，Ag/AgCl为参比电极，反应液为电解液，采用伏安循环扫描法进行电沉积，即得Ni4Mo/Ni(OH)2/NF催化剂。本发明还公开了上述制备方法制得的Ni4Mo/Ni(OH)2/NF催化剂及其应用。本发明可解决现有Ni‑Mo合金催化剂合成繁琐、活性组分暴露不足、活性组分与基底结合能力不佳以及长期稳定性较差的问题，具有较高的实际应用价值。
Absstract of: CN122214892A
0001 本发明公开了一种用于碱性水电解的低能耗零极距电解槽结构，具体涉及氢能技术领域，包括框板、阳极集电极、阴极集电极、阳极电极网、阴极电极网以及设置于所述阳极电极网与所述阴极电极网之间的隔膜，还包括：弹性组件，所述弹性组件设置于所述阴极集电极与所述阴极电极网之间，并用于将所述阴极集电极、所述阴极电极网、所述隔膜、所述阳极电极网及所述阳极集电极依次压紧，以使所述阳极电极网与所述阴极电极网均紧贴于所述隔膜的两侧。本发明所述的一种用于碱性水电解的低能耗零极距电解槽结构，通过弹性组件实现阳极电极网与阴极电极网紧贴隔膜两侧的零极距结构，大幅缩短离子传输路径，降低欧姆极化损耗，从而降低电解电压。
Absstract of: CN122214921A
0001 本专利公开了一种基于铁、镍、钴、锰、钼五种非贵金属元素的高熵氧化物（HEO）电解水催化剂的制备方法，旨在解决传统析氢反应（HER）与析氧反应（OER）催化剂成本高、稳定性差及依赖贵金属的问题。通过创新的两步合成策略：首先利用溶剂热法制备ZIF‑8有机金属框架作为前驱体模板，随后将其与含五元金属的硝酸盐溶液混合，经静电纺丝形成纳米纤维前驱体，最后在惰性气氛下碳化并高温氧化，成功构建了具有高催化活性的FeNiCoMnMo高熵氧化物催化剂。该方法无需贵金属成分，显著降低了材料成本，且通过调控金属比例（1:1:1:1:1）及工艺参数（如纺丝电压20kV、煅烧温度650
Absstract of: KR20260090145A
본 발명은 (a) 공정폐수 내 불소를 제거하여 처리수를 얻는 단계 및 (b) 단계 (a)의 처리수를 전해액으로 이용하여 물을 전기분해 하는 단계를 포함하는, 공정폐수를 이용하여 수소를 생산하는 방법에 관한 것이다.
Absstract of: CN122214946A
0001 本发明涉及一种用于电化学分解水制氢的负载型Pt原子筏催化剂及其制备方法和应用，所述制备方法包括以下步骤：所述制备方法包括以下步骤：S1，将Pt金属盐溶解于去离子水中，得到溶液；S2，将Cr<2>O<3>粉体分散于去离子水中，得到分散液；S3，将步骤S1所得溶液和步骤S2所得分散液混合搅拌，水浴加热，洗涤干燥后得到催化剂粉体，所述催化剂粉体为负载型Pt原子筏催化剂。与现有技术相比，本发明通过原子级分散Pt原子，既能保证较高的电化学制氢催化性能的，又可以降低了Pt用量。
Absstract of: CN122209425A
本发明涉及硫化钼基催化剂的合成技术领域，具体而言，尤其涉及一种富硫空位硫化钼基催化剂的制备方法和应用。将硫化钼基催化剂在氧化性气氛下进行氧化处理，随后在还原性气氛下进行还原处理，得到富硫空位硫化钼基催化剂。本发明采用氧化性气氛氧化结合还原性气氛还原的处理方式制备富硫空位硫化钼基催化剂，经过氧化处理更易发生氧取代硫，再经过还原处理可显著提高硫空位浓度，增加活性位的数量。
Absstract of: CN122214937A
0001 本发明涉及电解水制氢领域，具体涉及一种单原子La掺杂的复合析氢电催化材料及其制备方法。一种单原子La掺杂的复合析氢电催化材料的制备方法，包括：制备蚕砂多孔碳制备蚕砂多孔碳；制备Zn<3>In<2>S<6>/C；制备前驱体；制备复合析氢电催化材料La‑Zn<3>In<2>S<6>/C。本发明通过Zn₃In₂S₆载体独特的花球状层状结构和窄带隙特性，提供丰富锚定位点，配合La的4f轨道电子调控，使催化剂在10mA/cm²电流密度下的析氢过电位仅为62mV，Tafel斜率低至45mV/dec，催化活性接近商用Pt/C水平，并且通过引入煅烧蚕砂衍生的多孔生物碳基底，利用其高比表面积和优异导电性，不仅能够有效防止La原子团聚，还能够大幅提升电荷传输效率。
Absstract of: CN122214929A
0001 本发明涉及一种低贵金属含量的电催化海水制氢催化剂及其制备方法和应用，所述制备方法包括以下步骤：S1，将贵金属盐和石墨碳载体研磨，得到黑色粉体；S2，将所述黑色粉体置于马弗炉中高温退火，全程通入保护气体，降温后即可得到所述催化剂；步骤S1中，贵金属盐和石墨碳载体的质量比为1‑3∶10；所述石墨碳载体为羧基化的石墨碳载体。与现有技术相比，本发明通过无溶剂法制备低贵金属含量的电催化海水制氢催化剂，可以降低溶液、还原剂成本，减少金属浪费和一定的环境污染，制备步骤较少，操作简单，成本较低，催化剂具有优异的催化性能。
Nº publicación: CN122213343A 16/06/2026
Applicant:
中国石油大学（北京）
Absstract of: CN122213343A
0001 本申请实施例提供一种支化型阴离子交换膜材料及其制备方法与应用。该材料具有式1所示结构，其中，x>0，y>0，1‑x‑y>0。该支化型聚（芴基‑芳基‑哌啶）阴离子交换膜材料具备优异的电导率，为阴离子交换膜电解水技术提供高性能、低成本的阴离子交换膜材料，从而推动绿氢制备技术的产业化进程。
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