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ELECTROLYSIS SYSTEM AND ELECTROLYSIS DEVICE

Resumen de: EP4621106A1

An electrolysis system (1) includes: an electrolysis cell (2); and a mediator reduction tank (4). The electrolysis cell (2) has: an anode electrode (10) that electrochemically oxidizes a reduced form (MRed) of a mediator; and a cathode electrode (8) that performs at least one of generation of hydrogen by electrochemical reduction of protons or water and generation of an organic hydride by electrochemical reduction of a hydrogenation target substance. The mediator reduction tank (4) non-photochemically reduces an oxidized form (MOx) of the mediator generated in the electrolysis cell (2).

WATER ELECTROLYSIS DEVICE AND METHOD FOR OPERATING WATER ELECTROLYSIS DEVICE

Resumen de: EP4621107A1

A water electrolyzer includes a water electrolysis cell, a voltage applicator, a pressure regulating valve, and a controller. The water electrolysis cell includes a diaphragm or an electrolyte membrane, an anode, and a cathode. The anode is provided in one of two spaces separated by the diaphragm, or on one of two main surfaces of the electrolyte membrane. The cathode is provided in the other space separated by the diaphragm, or on the other main surface of the electrolyte membrane. The voltage applicator applies voltage between the anode and the cathode. In start-up of the water electrolyzer, the controller controls the voltage applicator to increase current flowing through the water electrolysis cell, and then controls the pressure regulating valve to increase set pressure of the pressure regulating valve.

ELECTROCHEMICAL REACTION DEVICE AND METHOD OF OPERATING ELECTROCHEMICAL REACTION DEVICE

Resumen de: EP4621100A2

An electrochemical reaction device includes: an electrochemical reaction structure including a cathode to reduce carbon dioxide to produce a carbon compound, an anode to oxidize water to produce oxygen, a diaphragm therebetween, a cathode flow path on the cathode, and an anode flow path on the anode; a first flow path through which a first fluid to the cathode flow path flows; a second flow path through which a second fluid to the anode flow path flows; a third flow path through which a third fluid from the cathode flow path flows; a fourth flow path through which a fourth fluid from the anode flow path flows; and a gas-liquid separator in or on the anode flow path and to separate a gas containing the oxygen from a fifth fluid containing the water and the oxygen through the anode flow path.

STATE DIAGNOSIS SYSTEM, STATE DIAGNOSIS METHOD, AND ELECTROLYSIS SYSTEM

Resumen de: EP4621108A1

A diagnosis system of an electrolysis device, includes: a device to output an impedance data indicating a measurement result of a complex impedance; a first memory unit to store prior data including a relation data indicating a relation between state of the device and a diagnosis result of a state of the device; a first processing unit to analyze the impedance data, judge validity of an analysis result, and output an analysis data indicating the analysis result in which data indicating at least a part of a frequency region of the measurement result is determined valid; a second processing unit to output a state data indicating the state based on first data including the analysis data; a second memory unit to store second data including the state data; and a third processing unit to output a diagnosis data based on data including the prior data and the second data.

RUTHENIUM CATALYST FOR AMMONIA DECOMPOSITION REACTION HAVING EXCELLENT AMMONIA DECOMPOSITION ACTIVITY AND METHOD FOR PRODUCING SAME

Resumen de: EP4620566A1

The present invention provides a ruthenium catalyst for ammonia decomposition reaction and a method for producing the same. The ruthenium catalyst exhibits a conversion rate of almost 100% at a reaction temperature of 550°C, further exhibits a conversion rate of 93.6% or higher even at 500°C, and also exhibits a conversion rate of about 60% or higher even at a low reaction temperature of 450°C, so that the catalyst has excellent ammonia decomposition activity and low manufacturing cost and thus is economical for an ammonia decomposition process even in a large-scale decomposition process of a relatively low temperature.

PROCESS AND APPARATUS FOR CRACKING AMMONIA

Resumen de: EP4620907A1

In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%.

PREDICTIVE MAINTENANCE OF HYDROGEN-ENERGY SYSTEMS

Resumen de: EP4621890A1

The disclosure notably relates to a computer-implemented method for predictive maintenance of a system. The system comprises a hydrogen energy component, a cooling circuit, at least one actuator of the cooling circuit and at least one sensor collecting operating data during an operating of the system. The method comprises, during the operating of the system, the following three steps. The method comprises a first step of obtaining the operating data collected by to the at least one sensor. The method comprises a second step of estimating that a current state of the system is the fault state. The method comprises a third step of predicting a future state of the system. Such a method forms an improved solution for predicting maintenance of the system comprising the hydrogen energy component.

一种1TMoS2-NiS2/CC异质结电解海水催化剂及其制备方法和应用

Resumen de: CN120683541A

本发明提供一种1TMoS2‑NiS2/CC异质结电解海水催化剂及其制备方法和应用，制备方法包括以下步骤：将二水钼酸钠与六水硝酸镍溶于超纯水中搅拌形成均一的悬浮液，将碳布放入悬浮液中并转移至高压釜；将高压釜放入烘箱中，水热处理获得NiMoO‑Pre/CC，反应结束后取出NiMoO‑Pre/CC，洗涤、干燥；最后将NiMoO‑Pre/CC放置在管式炉中硫化处理；本发明制备了界面丰富、缺陷丰富的1TMoS2‑NiS2/CC异质结，其在析氢过程中能保持高活性1T‑MoS2，制备操作简便，可控性强，在碱性电解海水中表现出优异的电化学性能，具体表现为52 mV即可达到电流密度10 mA cm‑2。

Electrolyzer with improved flow path structure

Resumen de: KR20250139133A

본 발명은 유로 구조를 개선시킨 전해조에 관한 것이다.

电解水制氢装置及其膜电极组件和交换膜

Resumen de: CN120683515A

本申请实施例提供一种电解水制氢装置及其膜电极组件和交换膜。所述电解水制氢装置包括：阳极端板、阳极集流体、膜电极组件、阴极集流体和阴极端板。所述膜电极组件包括阳极扩散层、阳极催化层、交换膜、阴极催化层和阴极扩散层，其中所述交换膜包括离子溶剂化膜和阴离子交换膜，所述离子溶剂化膜介于所述阳极催化层和所述阴离子交换膜之间，且所述交换膜的厚度为80‑120μm。本申请实施例所提供的技术方案解决了现有的单层阴离子交换膜的化学稳定性较低，并容易变薄破裂等问题。

用于裂化氨的工艺和设备

Resumen de: US2025296836A1

In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%.

一种Pt团簇掺杂多金属镍基磷化物的制备及性能研究

Resumen de: CN120683549A

本发明涉及电催化全解水领域一种Pt团簇掺杂多金属镍基磷化物的制备及性能研究。本发明目的是解决传统Pt基催化剂原子利用率低及高成本制约规模化应用的问题。本专利设计了一种Pt团簇掺杂多金属镍基磷化物的制备方法，研制了CoPt3‑Co/Fe2P/MoNiP@IF贵金属团簇掺杂的多金属磷化物材料。所采用的方法：以多酸镍钼六和硝酸钴为原料通过水热合成法后再进行磷化，最后通过光沉积法将Pt‑Mo团簇锚定于磷化物基底，制备的一种Pt团簇掺杂多金属镍基磷化物适用于碱性电解液和碱性海水中的全解水，且具有低析氢过电位和低析氧过电位以及高催化活性。

一种钒酸铋光阳极及其制备方法和在光电催化苯乙烯环氧化反应中的应用

Resumen de: CN120683536A

本发明属于光阳极技术领域，具体涉及一种钒酸铋光阳极及其制备方法和在光电催化苯乙烯环氧化反应中的应用。钒酸铋光阳极，制备方法如下，将乙酰丙酮氧钒的二甲基亚砜溶液滴涂在BiOI薄膜上进行煅烧，冷却后在氢氧化钠溶液中浸泡，洗涤后得到BVO光阳极。将上述的BVO光阳极光电催化苯乙烯的环氧化反应，在光照强度为100mW cm‑2的模拟太阳光照射下，当外加偏压为0.8Vvs.Ag/AgCl、乙腈与水体积比为3:1、溴化钠浓度为40mmol L‑1时是该体系下的最优反应条件，生成环氧苯乙烷的法拉第效率可达25.72％，选择性高达87.15％。

基于光伏余热与纸基电极的一体化电解装置及其制备方法

Resumen de: CN120683513A

本发明公开了基于光伏余热与纸基电极的一体化电解装置及其制备方法，属于电解槽电解水制氢装置技术领域。装置包括电解槽、太阳能板、纸基吸收件和对电极铂片，电解槽包括开放式腔体和封闭式腔体，开放式腔体通过质子交换膜与封闭式腔体连接，封闭式腔体上开设有氢气导出孔，纸基吸收件一端粘附在太阳能板背面，另一端浸入开放式腔体中的电解液中，纸基吸收件与太阳能板的正极输出端连接，封闭式腔体内设置对电极铂片，对电极铂片连接太阳能板负极输出端。本发明解决了现有基底导电性差且电解槽无法与光伏废热有效结合的问题，不仅能对太阳能板进行降温提高输出效率，还能利用太阳能板的余热降低过电位进行电解反应，实现高效电解水制氢。

一种BiFeO3/MoO3复合材料及其制备方法和应用

Resumen de: CN120679549A

本发明涉及催化剂技术领域，具体涉及一种BiFeO3/MoO3复合材料及其制备方法和应用。BiFeO3/MoO3复合材料的制备方法，包括如下步骤：S1.Mo154的制备：将Na2S2O4加入到Na2MoO4·2H2O水溶液中，搅拌状态下，加入HCl溶液，充分混匀后，密封静置5d，过滤，去除蓝色晶体沉淀，洗涤后，干燥，得到Mo154；S2.MoO3的制备：Mo154经研磨后，于400℃煅烧2h，得到MoO3；S3.BiFeO3的制备：将柠檬酸加入到乙二醇水溶液中，混匀后，加入Bi(NO3)·5H2O和Fe(NO3)3·9H2O，持续搅拌120min后，搅拌状态下，于80℃水浴加热形成溶胶，干燥后，充分研磨，于300℃煅烧4h，再于600℃煅烧2h，得到BiFeO3；S4.BiFeO3/MoO3制备：将BiFeO3和MoO3分散于水中，超声处理1h，干燥，充分研磨，于200℃反应2h，得到BiFeO3/MoO3。本发明制备的复合材料可作为光催化制氢催化剂，在磁场作用下，产氢性能高达306.45μmol·g‑1。

电解水制氢装置及其膜电极组件和交换膜

Resumen de: CN120683514A

本申请实施例提供一种电解水制氢装置及其膜电极组件和交换膜。所述电解水制氢装置包括：阳极端板、阳极集流体、膜电极组件、阴极集流体和阴极端板。所述膜电极组件包括阳极扩散层、阳极催化层、交换膜、阴极催化层和阴极扩散层，其中所述交换膜包括第一薄膜和第二薄膜。所述第一薄膜为全氟质子交换膜，所述第二薄膜为部分氟化聚合物质子交换膜或非氟聚合物质子交换膜，且所述交换膜的厚度为60‑170μm。本申请所提供的技术方案在不影响电化学性能的前下，能有效的降低含氟物质的使用，以减轻其对生态环境的冲击。

一种塔状氢氧化镍催化材料及其制备方法

Resumen de: CN120683529A

本发明涉及电催化材料合成技术领域，具体公开一种塔状氢氧化镍催化材料及其制备方法。塔状氢氧化镍催化材料的制备方法，包括以下步骤：(1)镍基底的表面处理：将镍基底进行超声清洗处理，真空干燥，得到清洗后的镍基底；(2)塔状氢氧化镍的合成：将磷酸盐溶解获得磷酸盐溶液，加入双氧水，搅拌后再加入清洗后的镍基底，进行水热反应，得到半成品塔状氢氧化镍。(3)塔状氢氧化镍的清洗与干燥：将半成品塔状氢氧化镍进行清洗，真空干燥，获得塔状氢氧化镍催化材料。本方法工艺简单，成本较低，易于大批量合成，具有较好的大规模商业化应用前景；且特定的形貌有效暴露活性晶面和活性位点，作为优异的催化剂可提升产氢和有机物氧化速率。

一种金属氢氧化物、制备方法、电解池及其海水电解制氢应用

Resumen de: CN120683528A

本申请提供的金属氢氧化物(LDH)及其制备方法和在电解海水中的应用，属于新材料和氢能制取领域，将铁盐、钴盐和镍盐的水溶液搅拌得到混合溶液；在恒定电压下，所述混合溶液的金属离子在工作电极表面发生还原反应生成三元NiCoFe‑LDH即得到所述金属氢氧化物；本申请通过特定配比的三金属(Fe、Co、Ni)氢氧化物电化学沉积方法，在导电基底上直接生长高活性、高稳定性的纳米结构材料，由于仅通过恒电位法直接原位生长LDH，便可构建出成本低廉海水电解催化剂，避免传统水热法的高温高压需求，且本申请直接生长的LDH纳米片阵列结构，避免粘结剂的使用，提升电极机械稳定性和循环寿命。所述的三元NiCoFe‑LDH作为电解池的阳极材料，可以用于直接电解海水制氢。

一种臭氧水制备装置

Resumen de: CN120679380A

本发明涉及臭氧水制备技术领域，具体涉及一种臭氧水制备装置，其技术方案是：所述电解装置包括电解槽，所述电解槽顶部安装有氢气逸出管和臭氧溶解管；所述水回收装置包括水还原舱，所述水还原舱顶面安装有氧气分离舱和水蒸气舱，所述氧气分离舱内设置有冷凝组件，所述氧气分离舱下端安装有液态臭氧收集组件，所述液态臭氧收集组件包括臭氧加热管，所述臭氧加热管一端接入臭氧二次溶解装置，本发明的有益效果是：逸出的臭氧和氧气进入氧气分离舱，在冷凝组件的作用下，臭氧冷凝成液态并落入液态臭氧收集组件，将液体臭氧重新加热至气态并导入臭氧二次溶解装置，通过臭氧二次溶解装置产出高浓度臭氧水，以达到回收逸出臭氧并进行二次溶解的效果。

基于氧空位调控反应机制的Co基氧化物纳米片的制备方法及其酸性析氧应用

Resumen de: CN120683551A

基于氧空位调控反应机制的Co基氧化物纳米片的制备方法及其酸性析氧应用，本发明是要解决电催化水析氧反应的效率有待提高的问题。制备方法：一、对碳布进行超声清洗；二、将钴盐溶液作为电解液，以清洗后的碳布作为工作电极，进行电沉积处理，获得钴的氢氧化物前驱体；三、钴的氢氧化物前驱体浸入硼氢化钠溶液中浸泡处理；四、以具有氧空位的前驱体作为工作电极，碳棒作为对电极，钌金属盐溶液作为电解液，进行电沉积处理；五、以400~500℃的温度高温退火处理。本发明制备的Co基氧化物纳米片成功触发了LOM机制，提高了贵金属钌的利用率，降低了钌的使用量，且酸性OER催化活性和稳定性相比与Co3O4均得到了较大的提升。

一种氨基功能化棒状二氧化硅负载单金属Pd纳米催化剂及其应用

Resumen de: CN120679577A

本发明公开了一种氨基功能化棒状二氧化硅负载单金属Pd纳米催化剂及其应用，采用3‑氨丙基三甲氧基硅烷对棒状二氧化硅进行表面修饰后，将Pd前驱体溶液与氨基功能化棒状二氧化硅混合，经硼氢化钠还原处理负载Pd纳米颗粒。与传统球形二氧化硅载体相比，本发明催化剂采用的棒状二氧化硅载体的独特形貌提供高比表面积和较短传质通道，通过氨基功能化提高Pd纳米颗粒的锚定能力，抑制烧结，实现单金属Pd的高效均匀负载与较小尺寸控制。本发明催化剂用于室温甲酸分解制氢反应，表现出100％的甲酸转化率和100％的氢气选择性，以及较好的循环稳定性和高的初始TOF值。

电解装置和电解方法

Resumen de: US2025297389A1

An electrolysis device includes: an electrolysis cell; a cathode supply flow path; an anode supply flow path; a cathode discharge flow path; an anode discharge flow path; a cathode flow rate regulator to adjust a flow rate A of a cathode supply fluid; an anode flow rate regulator to adjust a flow rate B of a anode supply fluid; a first flowmeter to measure a flow rate C of a cathode discharge fluid; a second flowmeter to measure a flow rate D of a anode discharge fluid; and a control device to estimate a Faraday efficiency according to a relational expression for approximating the Faraday efficiency to a function including the C and D, and control the cathode flow rate regulator according to the estimated Faraday efficiency to control the A.

一种镍基钙钛矿氨分解催化剂及其制备方法

Resumen de: CN120679545A

本发明涉及热催化技术领域，公开了一种镍基钙钛矿氨分解催化剂及其制备方法。此制备方法包括：采用溶胶‑凝胶法合成镧铝镍钙钛矿前驱体，经高温焙烧、高温还原得到所述催化剂。本发明的催化剂中Ni和La摩尔比为(0.2‑1)：1，Ni含量为5‑25wt％，Ni金属分散度高，抗烧结性能好，对氨分解反应表现出良好的活性和稳定性，大大提高了催化剂的使用寿命以及在氨分解反应中的催化效率。

一种利用光伏和风电可再生资源进行水电解制氢的装置

Resumen de: CN120683520A

本发明公开了一种利用光伏和风电可再生资源进行水电解制氢的装置，涉及到电解水制氢技术领域，包括供水供电机构，所述供水供电机构右侧设置有电解水组件，所述电解水组件顶部后侧设置有海水淡化机构，所述海水淡化机构内部设置有两组气体降温机构，两个所述气体降温机构外侧共同设置有清洁机构，所述清洁机构左侧设置有封堵机构。本发明既可以避免未使用的海水与使用后的海水发生混合而导致需要提高海水更换频率或延长海水更换时间的问题，同时在海水更换过程中还可以对气体降温机构表面的水垢进行清理并利用同步输出的海水针对水垢进行排出，以避免水垢附着而影响海水淡化效率。

Alkaline electrolysis unit for splitting water into hydrogen and oxygen

Nº publicación: DK202400198A1 23/09/2025

Solicitante:

NORDIC HYDROGEN APS [DK]
Nordic Hydrogen ApS

Resumen de: DK202400198A1

The present invention relates to an alkaline electrolysis unit for splitting water into hydrogen and oxygen comprising a vertical cylinder (112) constituting an anode (113), a cathode (114) and a diaphragm (115) allowing passage of OH⁻ from the cathode to the anode, wherein said vertical cylinder is made up of rolled up layers of the electrodes (113, 114) and the diaphragm (115) such that the oxygen and hydrogen gasses can escape the vertical cylinder upwards.