Alerta

低温无电自启动的放氢装置

Resumen de: CN122444127A

0001 本发明公开了一种低温无电自启动的放氢装置，主要结构包括第一腔室、第二腔室、第三腔室。第一腔室和第二腔室通过腔室通道连通，该腔室通道的打开或关闭由第一启动模块控制。第一腔室中装有固态储氢材料，第二腔室中装有激发反应物，当腔室通道打开后，固态储氢材料与激发反应物接触，反应释放氢气。第三腔室内装有放热反应物，它们的放热反应由第二启动模块控制。放热反应用于加热凝固的激发反应物，使其恢复液态进而参与放氢反应。本发明提供的放氢装置不需要电力驱动即可实现快速放氢，适用于高寒地区无电的应急情况。采用固态储氢材料，可长时间储存氢气，安全性高，无气体逸散风险。

ケイ酸ナトリウムおよび水素ガスの製造方法と、その製造装置

Resumen de: JP2026121330A

【課題】ケイ素物質とアルカリ液および水を反応させてケイ酸ナトリウムと水素ガスを効率的で経済的に製造する方法を提供する。【解決手段】ケイ素物質と、アルカリ液と、反応容器と、から構成され、前記アルカリ液を前記反応容器に投入する第１工程と、前記反応容器内の前記アルカリ液に前記ケイ素物質を添加する第２工程と、前記反応容器内を所定の温度および圧力に制御する第３工程と、により、前記反応容器内において所定の反応温度および圧力の条件下で前記アルカリ液と前記ケイ素物質を反応させ、前記ケイ素物質と前記アルカリ液の反応を中断し再開させケイ素ナトリウムの性状を調整する第４工程と、前記反応容器内から水素ガスを収集する第５工程と、からなることを特徴とするケイ酸ナトリウムおよび水素ガスの製造方法。【選択図】図１

3 3-Phase ELECTROLYSIS SYSTEM

Resumen de: KR20260115396A

본 발명의 3상 수전해 시스템은, 서로 병렬 연결된 다수 개의 단위 AC/DC 컨버터들로 이루어진 A상 수전해 전력변환 모듈; 서로 병렬 연결된 다수 개의 단위 AC/DC 컨버터들로 이루어진 B상 수전해 전력변환 모듈; 서로 병렬 연결된 다수 개의 단위 AC/DC 컨버터들로 이루어진 C상 수전해 전력변환 모듈; 및 상기 A상 수전해 전력변환 모듈, 상기 B상 수전해 전력변환 모듈 및 상기 C상 수전해 전력변환 모듈의 DC 출력단에 공통으로 연결된 수전해 스택을 포함할 수 있다.

一种TiO2/NiMoCH复合电催化材料及其制备方法与应用

Resumen de: CN122446254A

本发明公开了一种TiO2/NiMoCH复合电催化材料及其制备方法与应用，包括以下过程：将碳布加入钛源、酸试剂与去离子水的混合溶液，进行第一水热反应，得到TiO2/CC；将TiO2/CC置于含镍盐、钼盐与沉淀剂的水溶液中，进行第二水热反应，得到TiO2/NiMoCH/CC复合电催化材料。具有垂直多孔异质界面，显著增加了电化学活性面积，暴露出更多边缘活性位点。

一种电热水器的电解富氧水控制方法及装置

Resumen de: CN122444277A

0001 本申请涉及一种电热水器的电解富氧水控制方法及装置，通过实时采集电热水器出水端的流量参数与温度参数；当流量参数不小于预设的启动阈值并维持第一预设时长时，判定当前工况为有效用水工况，根据流量参数和温度参数，动态调节电解单元的电解参数，以控制电解单元进行电解反应产生溶解氧；当流量参数小于启动阈值并维持第二预设时长时，判定当前工况为停止用水工况，对电解单元进行断电以停止电解反应，并执行电极除垢操作；与现有技术相比，本申请的技术方案通过实时采集流量与温度参数、依据双参数动态调节电解参数、停机时断电并除垢的三步联动机制，同时解决了现有技术中产氧效率低、高温无效耗能、电极易结垢寿命短等技术问题。

一种双功能电解水氮磷掺杂高熵催化剂的制备方法

Resumen de: CN122446233A

0001 本发明提供一种双功能电解水氮磷掺杂高熵催化剂的制备方法，属于电解水制氢技术领域。该方法首先对金属基底进行预处理，随后通过浸渍吸附含有镍、钼、钴、锆、铁的五元金属前驱体溶液，并采用瞬时焦耳热技术快速构建高熵氧化物结构。核心创新在于利用次磷酸铵与次磷酸钠在焦耳热过程中原位分解产生的还原性气氛以实现材料表面的同步氮磷化改性，将传统工艺数小时的耗时缩短至秒级并显著降低能耗。最终制得的催化剂具有优异的析氢（HER）与析氧（OER）双功能活性与化学稳定性：在10 mA·cm<‑2>电流密度下OER过电位<230mV、HER过电位<50mV；在波动电解测试、启停测试和恒流电解中电解电压保持稳定，具有优异的稳定性。

合金催化剂及其制备方法

Resumen de: CN122446042A

本发明提供一种合金催化剂及其制备方法，该合金催化剂包含0.01wt％至30.0wt％之Zn、50.0wt％至99.9wt％之其余金属、及0.0wt％至20.0wt％之贵金属，该其余金属包含选自Ni、Fe、Mo及Co所成群中之至少一种金属；该合金催化剂具有藉由去合金化所形成之多孔结构。本发明之合金催化剂具有低过电位、低Tafel斜率及高稳定性。

一种镁掺杂ZnIn2S4光催化剂及其制备方法和应用

Resumen de: CN122441458A

本发明属于光催化材料技术领域，公开了一种镁掺杂ZnIn2S4光催化剂及其制备方法和应用，本发明利用柠檬酸根的络合作用，通过一步水热法制备镁掺杂ZnIn2S4光催化剂，其化学通式为MgxZnIn2‑xS4，其中0

一种二维/三维四氧化三钴负载铜催化剂及其制备方法和应用

Resumen de: CN122441442A

本发明公开了一种二维/三维四氧化三钴负载铜催化剂及其制备方法和应用。该催化剂的制备方法包括：将ZIF‑67在空气中氧化焙烧得到蠕虫连接状四氧化三钴；将其浸渍于铜盐水溶液中，密封放置后干燥，再于惰性气氛中焙烧，得到负载铜的蠕虫连接状四氧化三钴；最后在室温下用硼氢化钠水溶液还原处理，即得二维/三维四氧化三钴负载铜催化剂。该方法中，硼氢化钠还原处理不仅能将铜的氧化物还原为金属铜纳米颗粒，还能诱导四氧化三钴载体由蠕虫连接状演化为二维/三维复合结构。所得催化剂中铜纳米颗粒均匀负载于二维/三维四氧化三钴上，形成金属‑载体协同效应，在常温常压下催化氨硼烷水解制氢反应中展现出优异的催化活性。

一种夹心结构双功能电催化剂的制备方法及其应用

Resumen de: CN122446250A

本发明公开了一种夹心结构双功能电催化剂的制备方法及其应用在NF基底上制备了“夹心”B掺杂结构的NiCoFe‑B@NF电催化剂。首先进行阴极沉积生成NiCo LDH提供导电骨架，然后进行阳极沉积将B元素锚定在NiCo LDH骨架上，最后进行二次阴极沉积生成NiFe LDH保护层，形成了层状夹心结构的NiCoFe‑B@NF催化剂，该策略创新性地构建了表面电子态可调节的NiCoFe‑B@NF催化剂，这种分层设计能够有效抑制B元素溶解，保障其在反应过程中持续优化金属表面的活性位点的d带中心，对催化剂全解水性能具有显著的提升作用。电化学测试表明，在碱性溶液中，NiCoFe‑B@NF是一种卓越的双功能电解水催化剂，HER（η10=92 mV，η100=216 mV）和OER（η10=213 mV，η100=236 mV），在具有高效催化分解水能力的同时也具有良好的稳定性，在100 mA cm‑2的电流密度下可以稳定反应110h。

一种Cu2O@NiFe-LDH异质结构电催化剂与集成催化阴离子交换膜电极及其制备方法和应用

Resumen de: CN122446253A

0001 本发明公开了一种Cu<2>O@NiFe‑LDH异质结构电催化剂与集成催化阴离子交换膜电极及其制备方法和应用。所述电催化剂的制备包括：以NaOH与CuCl<2>·H<2>O为原料，加入甲醛溶液经自放热反应合成Cu<2>O纳米颗粒；以Ni(NO<3>)<2>·6H<2>O和Fe(NO<3>)<3>·6H<2>O为原料，经水热反应制备NiFe‑LDH纳米片；再将Cu<2>O加入反应体系中原位生长得到Cu<2>O@NiFe‑LDH复合材料。将所得复合材料通过超声喷涂法负载于W‑25T阴离子交换膜上，得到集成催化膜电极。该膜电极可作为阳极和阴极组装成对称电极用于碱性电解水制氢。本发明具有p‑n异质结界面效应强、电荷转移快、稳定性好等优点。

一种用于海水电解的双层结构析氧电催化剂及其制备方法和应用

Resumen de: CN122446234A

0001 一种用于海水电解的双层结构析氧电催化剂及其制备方法和应用，它涉及析氧电催化剂及其制备方法和应用，它是要解决现有的电解海水制氢制氧的电催化剂的效率低、耐腐蚀性差、成本高的技术问题。本发明的催化剂是以泡沫铁为基底，在泡沫铁表面生成负载贵金属修饰的双过渡金属层状氢氧化物，其中贵金属为铱、钌或锇，双过渡金属层状氢氧化物为镍铁双金属层状氢氧化物，或者为铁钴双金属层状氢氧化物。制法：先通过浸泡反应将基底与贵金属进行键合，再通过原位生长过渡金属氢氧化物。该催化剂，在1 M KOH的海水中，在10 mA cm<‑2>下的过电势仅为210mV。在碱性海水条件下实现了超过1400小时的稳定性，用于电解海水制氢。

電気化学セル、ならびに電気化学セルのアセンブリを製造するための方法及びシステム

Resumen de: WO2024256503A1

The invention relates to a method for manufacturing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10') for supplying and/or discharging fluid, a proton exchange membrane (42), a first electrode (31) arranged between the first plate and the proton exchange membrane, and a first gas diffusion layer (21) arranged between the first plate and the first electrode, and wherein the method comprises the steps of A) providing a base comprising only a portion of the structural components, in particular the first plate and/or the first gas diffusion layer; and B) assembling the assembly, wherein the assembling involves adding the remaining structural components; or the steps of a) providing a base that is different from the structural components; and b) assembling the assembly, wherein the assembling involves adding the structural components; wherein a casing is formed by applying one or more layers of moulding material (70-72) to the provided base, a strength of this moulding material increases after said application, and at least one layer of the moulding material forming the casing or at least a circumferential section of the casing is applied before step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or electrolysis cell, a cell stack with cells of this type, as well as a method and a system for manufacturing assemblies for cells or cell stacks of thi

CONTROLLABLE RECTIFIER ARRANGEMENT FOR HYDROGEN ELECTROLYSIS

Resumen de: US20260213641A1

0000 The invention relates to a rectifier arrangement for hydrogen electrolysis, comprising a transformer (1) with a primary winding (2) for connecting an input alternating voltage and a secondary winding (3) for providing an output alternating voltage, and comprising a rectifier (4) connected to the secondary winding (3) for generating an output direct current IDC and an output direct voltage UDC, wherein at the primary winding (2) of the transformer (1) a number N>1 of winding taps (5) are provided, and a load stage switch (6) connected to a controller (7) is provided which is designed for switching the winding taps (5) without interruption such that the transformation ratio of the transformer (1) can be switched via the controller (7) in N stages.

PHOTOCATALYST AND METHOD FOR PRODUCING PHOTOCATALYST

Resumen de: WO2026154622A1

This photocatalyst is provided with: a support base material having a flat surface; a metal oxide layer that is made of a metal oxide and is applied to the flat surface; and a carbon nitride layer that is made of a polymeric carbon nitride that responds to visible light and is fixed to the flat surface via the metal oxide layer. The carbon nitride layer can be firmly fixed to the support base material, and by immersing the photocatalyst in a liquid, artificial photosynthesis can be performed.

岩石から水素及び磁鉄鉱を生成するシステム及び方法

Resumen de: US2023102312A1

0000 Systems and methods for sequestering carbon, evolving hydrogen gas, producing iron oxide as magnetite, and producing magnesium carbonate as magnesite through sequential carbonation and serpentinization/hydration reactions involving processed olivine- and/or pyroxene-rich ores, as typically found in mafic and ultramafic igneous rock. Precious or scarce metals, such nickel, cobalt, chromium, rare earth elements, and others, may be concentrated in the remaining ore to facilitate their recovery from any gangue material.

HYDROGEN GENERATOR WITH DETACHABLE FILTER

Resumen de: US20260209978A1

A hydrogen generator with detachable filter comprises a water tank, an electrolysis module configured in the water tank, a filter channel device coupled to the water tank, a humidifying module, vertically configured above the water tank, an integrated channel device vertically configured above the humidifying module, and a condenser configured on the integrated channel device. The electrolysis module is configured to electrolyze water contained in the water tank to generate gas comprising hydrogen. The humidifying module includes a humidifying chamber and a gas channel isolated from the humidifying chamber. The filtering device is arranged in the gas channel to receive and filter the gas comprising hydrogen generated by the electrolysis module. The condenser is configured to condense the gas comprising hydrogen outputted by the filtering device. The integrated channel device includes a gas input channel for guiding the gas comprising hydrogen outputted from the condenser into the humidifying chamber.

AMMONIA CRACKING FOR HYDROGEN PRODUCTION

Resumen de: US20260209038A1

Process for production of hydrogen from ammonia, including ammonia cracking wherein ammonia is decomposed into hydrogen and nitrogen, wherein the ammonia cracking is performed in a sequence of cracking steps (13, 36, 17, 20) and a finally cracked stream (21) is obtained after a last cracking step (20), wherein the last ammonia cracking step (20) is performed adiabatically and/or the finally cracked stream (21) is quenched by direct mixing with water or steam after the last cracking step.

HYDROCARBON PRODUCTION SYSTEM AND HYDROCARBON PRODUCTION METHOD

Resumen de: US20260209141A1

0000 A hydrocarbon production system that generates a hydrocarbon having two or more carbon atoms from methane by an oxidative coupling reaction of methane is a hydrocarbon production system including: an oxidative coupling reaction device configured to perform an oxidative coupling reaction between methane and oxygen; a raw gas separation device configured to separate an inert component from a raw gas containing the inert component; a carbon dioxide separation device configured to separate carbon dioxide contained in a generated gas generated in the oxidative coupling reaction device; and a methanation device configured to perform a methanation reaction between hydrogen and carbon dioxide.

SYSTEM AND METHOD FOR BALANCING AN ELECTRICAL POWER SYSTEM USING METHANOL

Resumen de: US20260213538A1

0000 A power balancing system and process is provided, in which a first electrolysis unit (10) outputs a first hydrogen rich stream (11), which is converted in a methanol synthesis plant (20) to a first methanol-rich stream (21). A methanol storage unit (40) receives and stores the first methanol-rich stream (21). When additional electrical power is required, methanol from the methanol storage unit (40) can be used for power generation. The system and process allow excess electrical power to be converted into and stored as methanol during periods of low demand, and used to generate electrical power when demand is higher.

LOW-CAPACITY HIGH-PRESSURE ELECTROLYSIS DEVICE

Resumen de: US20260209961A1

0000 A small scale high-pressure electrolyzer for generating hydrogen and oxygen is provided comprising one or more units each comprising a plurality of high-pressure electrolytic cells, wherein the electrolytic cells of each unit are electrically connected in series, as well as a central electrolyt header, functionally connected to each electrolytic cell for the supply of liquid electrolyt to the cell; a central hydrogen header connected to each electrolytic cell for the discharge of generated hydrogen from the cell; a central oxygen header connected to each electrolytic cell for the discharge of generated oxygen from the cell; a direct current power source for the power supply to each unit of serially connected electrolytic cells; wherein the units of serially connected electrolytic cells are electrically connected in parallel.

HYDROGEN PRODUCTION VIA SEAWATER SPLITTING

Resumen de: US20260209956A1

0000 A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).

SOC STACK COMPRISING COMBINED FLOW DISTRIBUTOR AND CONTACT ENABLER

Resumen de: US20260213228A1

0000 A Solid Oxide Cell stack has a combined flow distributor and contact enabler made of pressed metal foil with flow guides and contact areas located between an interconnect layer and a cell layer in the stack.

ALKALINE WATER ELECTROLYSIS PROCESS AND ALKALINE WATER ELECTROLYZER

Resumen de: US20260209953A1

An alkaline water electrolyzer includes an electronic controller, a stack of electrolysis cells each comprising an anode and a cathode. The electrolyzer is configured to contain an electrolyte made of an anolyte and a catholyte. The electrolyzer also includes a system controlled by the electronic controller configured to maintain a concentration of an impurity in the electrolyte within a target range by measuring a characteristic representative of the concentration of the impurity in the electrolyte and, in response to the measured concentration of the impurity, add a quantity of the impurity into the electrolyte.

IMPROVED MULTI-LAYERED PROTON EXCHANGE MEMBRANE FOR WATER ELECTROLYSIS

Nº publicación: US20260209972A1 23/07/2026

Solicitante:

W L GORE & ASS INC [US]
W L GORE & ASS GMBH [DE]
W. L. Gore & Associates, Inc.
W. L. GORE & ASSOCIATES GMBH

Resumen de: US20260209972A1

There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.