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一种氧化锰基核壳结构催化剂及其制备方法和应用、工作电极及其制备方法和应用

Resumen de: CN122522294A

0001 本发明涉及电解水制氢技术领域，具体涉及一种氧化锰基核壳结构催化剂及其制备方法和应用、工作电极及其制备方法和应用。本发明以硼掺杂二氧化锰为载体，负载贵金属。本发明通过在二氧化锰中掺杂硼，能够有效调节二氧化锰的电子结构，显著提升二氧化锰载体的电子电导率，进而改善OER过程中的电荷传输；而且，硼原子缺电子的特性也使其对表面金属原子具有强亲和力，可形成金属‑B‑O结合位点，从而强化对贵金属活性组分的锚定能力，进一步构筑贵金属‑基底稳定界面，显著降低贵金属的用量。本发明提供的氧化锰基核壳结构催化剂本征导电性好，电催化活性高，结构耐久性优异，为实现低成本、长寿命的PEM电解技术提供了可行的材料解决方案。

一种形貌可控的硫化钼析氢电极及其制备方法

Resumen de: CN122522178A

本发明涉及析氢电极材料技术领域，尤其涉及一种形貌可控的硫化钼析氢电极及其制备方法，其包含以下步骤：选择去除了表面油脂、锈迹的基材，将基材固定后放入磁控溅射镀膜系统真空室，启动单极性HALL源，进行等离子清洗；启动磁控溅射镀膜系统对清洗后的基材进行硫化钼涂层沉积，其中，沉积过程中磁控溅射镀膜系统真空室舱室反应真空度为0.5~2 Pa，成膜温度为80‑200℃，单极性脉冲磁控溅射功率为1~5 kW，沉积时间为5~180 min。基于此温度调控方法所制备的催化电极，其析氢催化活性得到显著增强，表现出更低的过电位与良好的运行稳定性。该方法实现了涂层高度一致的竖直取向、高纯度以及与基底之间牢固的结合强度，为高性能析氢电极的制造提供了有效的解决方案。

一种基于电化学活化重构铁相的析氢/析氧双功能材料及其制备方法和应用

Resumen de: CN122522312A

本发明公开了一种基于电化学活化重构铁相的析氢/析氧双功能材料，其制备方法包括以下步骤：1，NiCoOH/NF的制备；2，NiCoOH/CoFeOH/NF的制备；3，NiCoP/CoP2‑FeP2/NF的制备。所得NiCoP/CoP2‑FeP2/NF具有通过电化学活化实现重构的特点，重构后，铁相由FeP2重构为FeOOH，形成NiCoP/CoP2‑FeOOH/NF；NiCoP/CoP2‑FeP2/NF呈芽状结构形貌，形成三相异质结构。作为析氢催化剂材料的应用时，过电位为38‑41 mV；析氢Tafel斜率为35‑38mV·dec‑1；电流保持率为85‑95%；Cdl为30‑32mF·cm‑2。作为析氧催化剂材料的应用时，过电位为220‑230 mV；析氧Tafel斜率为35‑40mV·dec‑1；电流保持率为85‑95%；Cdl为15‑20mF·cm‑2。

一种厚度可控的硫化钼析氢电极及其制备方法

Resumen de: CN122522179A

本发明涉及析氢电极材料技术领域，尤其涉及一种厚度可控的硫化钼析氢电极及其制备方法，其包含以下步骤：将基材固定后放入磁控溅射镀膜系统真空室，启动单极性HALL源，对基材表面进行等离子清洗；等离子体清洗完成后，关闭HALL电源，启动单极性脉冲磁控电源，进行硫化钼涂层沉积，其中，沉积过程中舱室反应真空度为0.5~2 Pa，成膜温度为室温‑200℃，单极性脉冲磁控溅射功率为1~5 kW，沉积时间为5~180 min。优选地，涂层沉积过程中舱室反应真空度为1 Pa，成膜温度为室温，单极性脉冲磁控溅射功率为4.0 kW，沉积时间60 min。本发明突破了常规工艺参数下硫化钼涂层主要呈水平层状生长的局限，通过特定的工艺参数组合，首次实现了硫化钼催化层垂直于基底的定向可控生长。

一种电极材料的制备及其在电催化析氢应用

Resumen de: CN122522248A

自支撑电极材料可在导电基底上原位生长催化活性物质，无需粘结剂辅助，能够有效解决粉末催化剂脱落、位点堵塞的问题，同时具备优异的电子传导性和结构稳定性。但现有自支撑电极普遍存在活性组分分散不均匀、界面结合力弱、电化学比表面积小的缺陷，在高电流密度下过电位偏高、稳定性不足，严重制约了其工业化应用。基于此，本发明设计一种新型复合结构自支撑电极材料，通过简易可控的制备工艺优化材料微观结构与电子结构，大幅提升电催化析氢性能。

异质多相界面生物质碳负载催化剂的制备方法及应用

Resumen de: CN122522307A

本发明公开了异质多相界面生物质碳负载催化剂的制备方法，具体为：将内源铬配位胶原纤维前驱体置于乙醇/水混合溶液中浸泡，洗涤、干燥，得到预处理粉末；将预处理粉末在惰性气氛下进行预碳化，得到稳定碳前驱体；将稳定碳前驱体进行酸活化处理，洗涤干燥，得到含铬氮氧碳骨架；将含铬氮氧碳骨架与镍盐前驱体混合并浸渍负载，烘干后在惰性气氛下进行碳化即可。本发明通过预处理‑预热解‑酸活化‑Ni后引入‑高温碳化的分步工艺路线，构建了一种包含连续生物质碳骨架、Cr基相和Ni物种的异质多相界面催化材料。Cr/N掺杂碳骨架能够诱导Ni选择性沉积，抑制高温烧结，形成小尺寸、高分散颗粒，使得活性位点更多、界面利用率更高、金属颗粒更稳定。

一种NiMo合金催化剂及其制备方法和应用

Resumen de: CN122517605A

0001 本发明公开了一种NiMo合金催化剂的制备方法及其应用，属于电极催化剂技术领域。本发明包括以下步骤：将镍颗粒、铝颗粒、钼颗粒混合均匀后放置坩埚中，熔炼后得到合金锭；将合金锭进行急冷甩带，获得合金薄带；将合金薄带研磨成粉末，置于氢氧化钾溶液中选择性刻蚀，经洗涤干燥后得到纳米多孔结构的NiMo合金催化剂。本发明通过刻蚀铝构造纳米多孔结构，增大比表面积、暴露活性位点；通过调控镍钼比例优化电子结构，降低析氢能垒。本发明工艺流程简单、无污染、能耗低、成本低，所制得的NiMo合金催化剂具有优异的析氢催化活性和长期服役稳定性，适合工业化大批量生产，可应用于碱性电解水制氢领域。

一种基于Cu1.94S/ZnS的Pickering乳液及其应用

Resumen de: CN122517103A

0001 本发明公开了一种基于Cu<1.94>S‑ZnS的Pickering乳液及其应用，属于Pickering乳液制备技术领域。本发明将含有Cu<1.94>S的有机膦配体悬浮液与含有Zn<2+>的有机溶液通过阳离子交换反应制得Cu<1.94>S‑ZnS纳米颗粒；Cu<1.94>S‑ZnS纳米颗粒经含巯基的羧酸类配体表面修饰、去质子化处理后制得亲水性Cu<1.94>S‑ZnS纳米颗粒；以含有硫源的水溶液为水相，正辛醇为油相，亲水性Cu<1.94>S‑ZnS纳米颗粒为乳化剂，经均质化处理得到Pickering乳液。与单相水体系和非均相未乳化体系相比，基于Cu<1.94>S‑ZnS的Pickering乳液的光催化制氢的性能得到显著提升。

一种用于质子交换膜水电解池的多孔传输层及其制备方法和应用

Resumen de: CN122522276A

0001 本发明涉及氢能制备技术领域，具体涉及一种用于质子交换膜水电解池的多孔传输层及其制备方法和应用。所述多孔传输层包括钛基体和复合涂层，所述复合涂层从基体向外依次包括：Ta阻隔层、PtTa过渡层和Pt表面导电层。本发明采用磁控溅射工艺制备该复合涂层，具备工艺参数精准可控、批次制备重复性优异的特点，可广泛应用于质子交换膜水电解装置中多孔传输层的表面改性，有效提升电解器的整体性能与使用寿命。

镍硫调控的氧化铜材料及其制备方法及应用

Resumen de: CN122522304A

本申请涉及一种镍硫调控氧化铜纳米阵列的电子重构型催化材料及其制备方法与葡萄糖电氧化制氢应用。催化材料中镍硫的引入可有效诱导氧化铜的电子结构重构，从而促进电荷转移和氧化还原反应动力学，为葡萄糖电化学氧化替代传统OER的制氢新技术提供了科学依据和技术支持。泡沫铜基底上原位生长的氧化铜纳米线阵列具有高导电性三维骨架，可降低电荷传输阻力；同时，电子重构作用可暴露出更多的活性位点，提升材料导电性，在葡萄糖氧化过程中加速电子传递，显著提高催化活性。本申请的原位电化学动态制备方法工艺简单、能耗低、适用性广。整个制备过程原料廉价易得，能耗低，环境友好，产物结晶度良好，适合批量制备。

一种PEM电解水高比表面积粉末催化剂的制备方法

Resumen de: CN122522292A

0001 本发明涉及PEM电解水制氢技术领域，具体公开一种PEM电解水高比表面积粉末催化剂的制备方法。本发明先采用磁控溅射法在膜基材表面构建金属氧化物纳米结构骨架作为模板，通过调控溅射工艺参数实现对纳米结构骨架的密度、尺寸和形貌的精准控制；再利用磁控溅射法在该模板表面负载催化剂，通过沉积参数调控催化剂负载量；最后经脱模、球磨、分离干燥工艺获得粉末催化剂。本发明制备的催化剂粉末分散性好、团聚率低、比表面积高，尺寸和形貌均一可控，且制备工艺简单、可实现批量生产，解决了传统制备方法中催化剂易团聚、形貌粒径难以精准控制的技术问题，大幅提升了PEM电解水制氢的催化效率和稳定性。

一种含硫缺陷的主/助ZnS/MoS2材料及制备方法与应用

Resumen de: CN122517057A

0001 本发明涉及于主/助光催化材料技术领域，具体是涉及一种含缺陷的主/助ZnS/MoS<2>材料及制备方法与应用。方法包括如下步骤：将硝酸锌溶解在去离子水中，溶液中加入尿素进行水热反应，得到Zn LDHs粉末；将Zn LDHs粉末分散在去离子水中，将钼酸铵、硫代乙酰胺溶解在溶液中进行水热反应，得到灰色ZnS/MoS<2>粉末；将ZnS/MoS<2>粉末在Ar气氛围下煅烧，得到具有硫缺陷的ZnS/MoS<2>材料。本发明制备原料易得，成本低且过程简单，提高材料的光催化性能及稳定性；制备出了同时具有适宜缺陷浓度和较高结晶度的主/助ZnS/MoS<2>材料，光催化析氢速率达到736.44 μmol·h<‑1>·g<‑1>且在连续144小时的稳定性测试中保持了良好的循环稳定性。

一种用于电解水的一体化阳极及其制备方法和应用

Resumen de: CN122522282A

0001 本发明涉及一种用于电解水的一体化阳极及其制备方法和应用，其包括提供镍基底；对镍基底实施第一次阴极电沉积，在镍基底表面形成镍铁合金中间层，得到NiFe@镍基底；对NiFe@镍基底实施第二次阴极电沉积，在镍铁合金中间层表面形成NiFeCr合金表层，得到原始态NiFeCr@镍基底前驱体；将原始态NiFeCr@镍基底前驱体置于碱性溶液中进行水热氧化处理，使NiFeCr合金表层原位重构形成包含镍铁羟基氧化物活性相与三氧化二铬保护层的多孔重构外层，制得一体化阳极。本发明采用两步分层电沉积搭配碱性水热重构，分层实现导电、催化与防腐功能，解决传统电极催化剂易脱落、镍铁活性组分大量溶出、铬离子污染电解液等问题。

セルスタックのプレート状要素、及びセルスタック

Resumen de: WO2025051333A1

The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.

一种锆钴镍铁四元金属磷基化合物自支撑催化剂及其制备方法和应用

Resumen de: CN122522311A

本发明公开了一种用于析氧反应的锆钴镍铁四元金属的磷基化合物自支撑催化剂及其制备方法和应用。所述催化剂原位生长于镍铁泡沫基底上，活性组分包含锆、钴、镍、铁四种金属元素，且物相组成中同时存在Ni2P2O7相和Ni2P相。其制备方法包括：将镍铁泡沫清洗预处理后，与含锆、钴、镍、铁可溶盐的前驱体溶液进行水热反应，使溶液中四种金属离子共同成核生长，再经气相磷化处理，得到同时含Ni2P2O7和Ni2P两相的催化剂。该催化剂在碱性电解液中析氧过电位低、Tafel斜率小，在不低于1000mA cm‑2的电流密度下可稳定运行不少于40小时，法拉第效率≥95％，且能直接作为自支撑阳极使用。本发明催化剂活性高、稳定性强、制备工艺简单，适用于碱性水电解制氢领域。

一种氨裂解制氢用的镍铝氧化物催化剂、制备方法及应用

Resumen de: CN122517028A

0001 本发明公开了一种氨裂解制氢用的镍铝氧化物催化剂、制备方法及应用，属于催化剂技术领域，本发明提供了一种氨裂解制氢用的镍铝氧化物催化剂，用于解决现有技术中合成镍基催化剂的过程中，易产生大量固废液、不耐高温稳定性差的技术问题。本发明合成的镍铝氧化物催化剂由NiO相和NiAl<2>O<4>相组成；所述催化剂以氧化物质量计，包含27%‑59%的NiO和41%‑73%的Al<2>O<3>。所述催化剂的制备方法，包括以下步骤：镍的前驱体和铝的前驱体混合、高温焙烧，即为制备的氨裂解制氢用的镍铝氧化物催化剂。本发明采用固相法合成催化剂，工艺简化高效、过程无废水废气产生。部分NiAl<2>O<4>相的存在有助于提高镍铝氧化物催化剂的稳定性和耐高温性。

Sistema de celdas de óxido sólido; reactor con lecho protector para la eliminación de silicio

Resumen de: WO2025087865A1

The present invention relates to a guard bed reactor for silicon removal, a solid oxide electrode system for producing hydrogen comprising a guard bed reactor for silicon removal, a method of operating the system to produce hydrogen and a use of the guard bed reactor for silicon removal for depleting a stream of steam from volatile silica species.

SYSTEM FOR SOLID-STATE ELECTRICITY STORAGE AND SOLID-STATE ELECTRICITY GENERATION

Resumen de: US20260229568A1

The invention relates to a system for solid-state electricity storage and solid-state electricity generation that allows electricity to be stored when the renewable energy sources produce excess electricity and electricity to be generated when the electricity demand on the market exceeds the electricity production from renewable energy sources. The system comprises a solid-state electricity storage device having a first electrolysis device for producing chlorine from a melt of zinc chloride and solid zinc, a second electrolysis device for producing hydrogen from water, a first reactor for producing hydrogen chloride, and a vessel with a water sprayer for producing hydrochloric acid. The system further comprises a solid-state electricity generation device having a second reactor for reacting zinc and hydrochloric acid to produce hydrogen and a fuel cell for generating electricity.

CATALYST COMPOSITE WITH GAS PERMEABILITY REDUCTION EFFECT AND POLYMER ELECTROLYTE MEMBRANE INCLUDING SAME

Resumen de: US20260226639A1

0000 The present invention relates to a catalyst composite and a polymer electrolyte membrane including same, wherein the catalyst composite is manufactured by complexing platinum and a metal having a higher ionization tendency than platinum with a functional support. When applied to a polymer electrolyte membrane, the catalyst composite effectively reduces the gas permeating from the counter electrode.

ELECTROLYTE SOLUTION AND A METHOD OF MANUFACTURING THEREOF

Resumen de: US20260226631A1

An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt % to 10 wt % of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt % to 5 wt % of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt % to 98 wt % of the electrolyte solution.

A PEROVSKITE ELECTRODE FOR ELECTROLYSIS IN ALKALINE MEDIA

Resumen de: US20260226638A1

An electrode for use in the electrolysis of water under alkaline conditions, comprising a nickel metal substrate, a ceramic material with a perovskite-type structure comprising an oxide of at least one metal selected from among lanthanides including lanthanum, cerium and praseodymium, where said ceramic material is forming a coating on said nickel metal substrate, and metal nanoparticles are socketed into the said ceramic material. The metal nanoparticles facing the alkaline solution have electrochemical activity, whereas the metal nanoparticles facing the said metal substrate form an anchoring points between the metal substrate and the said ceramic material.

DUAL H2 PRODUCTION FROM ELECTROCATALYTIC WATER REDUCTION COUPLED WITH FORMALDEHYDE OXIDATION VIA A COPPER-SILVER ELECTROCATALYST

Resumen de: US20260226637A1

The present disclosure concerns an electrocatalytic system and methods of the use thereof for the generation of hydrogen at both electrodes. In aspects, the present disclosure concerns an anode of a copper-silver bimetallic alloy, Cu3Ag7, and a basic anolyte with an aldehyde therein. The aldehyde reacts with the hydroxyl groups from the catholyte to produce hydrogen and the catholyte reacts water therein with the electrons from the anolyte to also produce hydrogen in a highly Faradaic efficient system. Application of the present disclosure not only provides for production of clean hydrogen, but also offers an approach for aldehyde decontamination.

A ROOM-TEMPERATURE-SOLID METAL ALLOY FOR MAKING WATER-REACTIVE ALUMINUM COMPOSITIONS

Resumen de: US20260225881A1

0000 Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin, and indium). Some water-reactive aluminum compositions provided herein contain no gallium. Also provided herein are methods of activating aluminum to provide water-reactive aluminum compositions. Further provided are fuel mixtures comprising the water-reactive aluminum compositions described herein and water-reactive aluminum compositions with increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.

水電解装置

Resumen de: US2024240328A1

0000 A water electrolysis stack in which a water electrolysis cell is laminated, a water supply side path for supplying water to the water electrolysis stack, and a hydrogen side path for recovering hydrogen generated from the water electrolysis stack are provided, and the water supply side path includes a pump which is a power source for supplying water to the water electrolysis stack, an ion exchanger arranged between the pump and the water electrolysis stack, a bypass which is a path for flowing water from the pump to the water electrolysis stack without passing through the ion exchanger, a valve for adjusting an amount of water flowing to the bypass, and a controller for adjusting a valve.

BIPOLAR PLATE FOR AN ELECTROLYZER

Nº publicación: US20260226640A1 06/08/2026

Solicitante:

ROBERT BOSCH GMBH [DE]
Robert Bosch GmbH

Resumen de: US20260226640A1

The invention relates to a bipolar plate (34) for an electrolyzer (44), wherein the bipolar plate (34) comprises a plurality of media channels (36), i.e. at least one H2O inlet port (38), an H2O/O2 outlet port (40), and an H2 outlet port (42). Bipolar plates (34), in the form of repeating components (48), are arranged in the electrolysis cell stack (46) of the electrolyzer (44) one over the other, each of which is arranged so as to seal a port (38, 40, 42), such that an insert seal (56) is fixed on an X/Y plane (86) between two respective bipolar plates (34) lying one over the other. The invention additionally relates to the use of the bipolar plate (34) in an electrolysis cell stack (46) of an electrolyzer (44).