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DETERMINATION DEVICE, ELECTROCHEMICAL DEVICE, AND DETERIORATION DETECTION METHOD

Resumen de: US20260202368A1

A determination device determines deterioration of an electrolyte membrane in an electrochemical device including an electrochemical cell and a volume portion in which gas generated by the electrochemical cell collects. The determination device includes a deterioration determination unit that determines whether or not the electrolyte membrane has deteriorated based on a detection signal of a detection sensor for detecting a current flowing between a first electrode and a second electrode, an output signal of a pressure sensor for detecting a pressure in the volume portion, a gas generation amount calculated from the current, and the pressure in the volume portion.

METHOD FOR PRODUCING METAL BOROHYDRIDE FROM METAL BORON OXIDE

Resumen de: US20260200730A1

0000 Metal borohydride, Me(BH<4>), is produced from metal boron oxide, Me(BO<2>), in which Me is a metal or a molecule that shows metal-like behaviour and can act as a metal, and n is an integer that can be associated with the valence of the metal, wherein in a first fluidized bed step the metal boron oxide is provided in a first fluidized bed. The first fluidized bed is fluidized using a gas selected from at least one of nitrogen, N<2>, gas and a noble gas, under such circumstances, especially pressure and temperature, that oxygen atoms are removed from the metal boron oxide to provide metal boron, MeB, particles, possibly ions. In a subsequent second fluidized bed step the metal boron particles are provided in a second fluidized bed that is fluidized using hydrogen, H<2>, gas under such circumstances that hydrogen chemically reacts with the metal boron particles to provide metal borohydride.

HYDROGEN PRODUCTION BY ELECTROCHEMICAL CONVERSION OF HYDROGEN SULFIDE

Resumen de: US20260201572A1

0000 A reactor is configured to electrochemically convert hydrogen sulfide to produce hydrogen. The reactor includes a first shell, a second shell, a hydrogen-permeable electrode, and a check valve. The first shell defines a first chamber. The first shell defines a first inlet for water, a second inlet for hydrogen sulfide, and a first outlet for hydrogen sulfide. The second shell defines a second chamber isolated from the first chamber. The second chamber stores hydrogen molecules. The hydrogen-permeable electrode is at least partially disposed within the first chamber. The hydrogen-permeable electrode is permeable to hydrogen atoms originating from the hydrogen sulfide. The check valve allows flow of hydrogen molecules, formed from the hydrogen atoms that have permeated into the hydrogen-permeable electrode, into the second chamber while preventing flow of hydrogen molecules back out from the second chamber through the check valve.

SYSTEMS FOR GREEN-HYDROGEN PRODUCTION AND CONTROL METHODS THEREOF

Resumen de: WO2026150031A1

The disclosure relates to efficient systems (10, 100) and methods for green-hydrogen production. A system (10) for off-grid green-hydrogen production is provided, the system (10) comprising: a renewable-energy source module (1) configured to provide power from one or more renewable-energy sources, an electrolyser module (2) configured to produce green hydrogen based on the power provided by the renewable-energy source module (1), a grid-forming energy-storage module (3) configured to provide grid-forming capabilities to the renewable-energy source module (1) and the electrolyser module (2), a plurality of power-converter modules (C1, C2, C3) configured to allow power flow between the renewable-energy source module (1), the electrolyser module (2), and the grid-forming energy-storage module (3), which are electrically connected to each other, and a central controller (5) configured to control the power flow by controlling the plurality of power-converter modules (C1, C2, C3).

ELECTRODE FRAME, FLOW FIELD PLATE ASSEMBLY, AND ELECTROLYTIC CELL

Resumen de: WO2026148798A1

The present application provides an electrode frame, a flow field plate assembly, and an electrolytic cell. The electrode frame is applied to the flow field plate assembly, and is provided with an accommodating cavity, a water inlet, a water outlet, and a first flow distribution channel, the accommodating cavity is configured to accommodate a plate mesh, and the water inlet is in communication with the accommodating cavity by means of the first flow distribution channel. The electrode frame further comprises flow distribution rows, each flow distribution row comprises at least two flow distribution members spaced apart, and the first flow distribution channel is internally provided with at least two flow distribution rows.

FLUID-CONDUCTING PLATE ARRANGEMENT OF AN ELECTROCHEMICAL SYSTEM

Resumen de: WO2025051317A1

The invention relates to a fluid-conducting plate arrangement (3) of an electrochemical system (1), comprising a compression plate (4) which has an inner side (6), facing a stack of electrochemical cells, and an outer side (5) and is passed through by a plurality of through-openings to which a plurality of coolant passages (8, 9), namely a coolant inlet (8) and a coolant outlet (9), are to be assigned, wherein each coolant passage (8, 9) has a branch (12) which opens towards the inner side (6) and is formed by the compression plate (4) together with an insert plate (10) inserted into it on the outer side, such that the compression plate (4) has two separate passage portions (13, 14) and the insert plate (10) has a collecting portion (18) which adjoins the two passage portions (13, 14).

METHOD AND MONITORING SYSTEM FOR CONTROLLING SAFE OPERATION OF ALKALINE WATER ELECTROLYZER

Resumen de: EP4775713A1

0001 The present invention relates to the technical field of alkaline water electrolyzers for hydrogen production, in particular to a method and monitoring system for safe operation control of an alkaline water electrolyzer. The method includes: mounting at least one disc spring deformation monitoring instrument at a disc spring of the alkaline water electrolyzer to monitor the deformation of the disc spring and provide a safe operation control signal source of the electrolyzer; making a control judgment according to the deformation of the disc spring monitored by the disc spring deformation monitoring instrument to judge whether the electrolyzer is within a safe operation range; and triggering a stop signal to stop the operation of the electrolyzer when the deformation of the disc spring exceeds a specified safe use range. According to the present invention, safety problems caused when the electrolyzer operates can be effectively found, and a judgment for electrolyzer maintenance can be made in time to guarantee the safe operation of the electrolyzer.

에너지 생산 및 저장 시스템

Resumen de: WO2025093251A1

An energy production and storage system comprises a power input connection (10) for a renewable energy source (2); an electrolysis device (16) for electrolysis of water to produce oxygen, hydrogen, and heat; an electrical energy storage device (14); a two-way grid connection (12) coupled to an external electrical grid (4); and a controller (8). The controller (8) is configured to: (i) receive information relating to: actual or potential energy production from the renewable energy source (2), the amount of stored energy in the electrical energy storage device (14), and balancing requirements for the external electrical grid (4); (ii) use the energy from the renewable energy source (2) to power the electrolysis device (16) and/or for storage in the energy storage device (14); and (iii) based on the received information, operate the energy production and storage system as a balancing service provider by either: drawing power from the grid (4) to supply the electrolysis device (16), or supplying power to the grid (4) from the electrical energy storage device (14), thereby acting as a switch to aid in balancing for the external electrical grid (4).

METHOD FOR OBTAINING HYDROGEN BY MEANS OF WATER DISSOCIATION USING THERMOCHEMICAL REACTIONS UNDER (QUASI-)ISOTHERMAL CONDITIONS AND DEVICE FOR CARRYING OUT THE METHOD

Resumen de: EP4775533A1

0001 (EN) The present invention relates to a method for obtaining hydrogen through water molecule dissociation using thermochemical reactions under (quasi-)isothermal conditions, which comprises the following steps: placing active material (103) in the reaction chamber (109) of a reactor (101); reducing the active material (103) by supplying heat; evacuating the oxygen produced through a first outlet (106); injecting water into the reaction chamber (109); oxidizing the active material (103), thereby producing hydrogen; filtering the hydrogen produced through a selective filter (104) during the oxidization of the active material (103); and evacuating the filtered hydrogen through a second outlet (107), thereby obtaining a flow of high-purity hydrogen. The invention also relates to a device for carrying out the method.

극저온 분리를 이용한 암모니아 분해기로부터의 부분 액화를 통한 암모니아 회수 방법

Resumen de: EP4570744A1

0001 A method for producing hydrogen using a feed stream comprising ammonia is provided. The method can include the steps of: cracking a gaseous ammonia feed in an ammonia cracker to produce a cracked gas stream comprising hydrogen, nitrogen, and unreacted ammonia; cooling the cracked gas stream to a first temperature that is sufficient for condensing at least a portion of the unreacted ammonia to form a dual phase fluid; separating the dual phase fluid in an ammonia separator to produce a liquid ammonia stream and a top gas stream comprised predominately of hydrogen and nitrogen; removing additional ammonia from the top gas stream using a front-end purification system to form a purified top gas stream; further cooling the purified top gas stream to a second temperature that is sufficient for condensing at least a portion of the nitrogen within the top gas stream to form a dual-phase stream, wherein the second temperature is colder than the first temperature; introducing the dual-phase stream to a cryogenic hydrogen separator under conditions effective for separating hydrogen and nitrogen, thereby creating a liquid nitrogen stream and a hydrogen top gas; warming and vaporizing the liquid nitrogen stream to produce a gaseous nitrogen stream; warming the hydrogen top gas to produce a gaseous hydrogen product stream; and recycling the liquid ammonia stream produced by the ammonia separator to a point upstream the ammonia cracker.

Hydrogen Extraction System for Ship

Resumen de: KR20260111341A

본 발명은 선박용 암모니아 수소추출시스템에 관한 것으로, 더욱 자세하게는, 암모니아 크래커로부터 얻은 분해가스와 상기 암모니아 저장탱크로부터 암모니아 크래커로 이송되는 원료가스 사이의 열교환을 수행하는 분해가스-원료가스 열교환기, 상기 분해가스-추가가스 열교환기를 통과한 열교환 분해가스와 냉각매체 사이의 열교환을 수행하는 분해가스-냉각매체 열교환기, 및 상기 분해가스 내 잔류하는 암모니아를 흡착하여 제거하는 VPSA를 포함하여 암모니아 수소추출설비에서 발생하는 잔류 암모니아를 완전히 제거하여 연료전지에 공급할 수 있다.

ELECTROLYZER WITH MINIMISED SHUNT-CURRENTS AND USE THEREOF

Resumen de: WO2025051336A1

An electrolyzer stack in which gas passages (16C, 16D) and thin and long shunt-current reducing liquid passages (16A, 16B) are provided inside a gasket that is a combination of a first and a second gasket part (12A, 12B) for ease of assembly.

PLATE-LIKE ELEMENT OF A CELL STACK, AND CELL STACK

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.

A WATER ELECTROLYSER SYSTEM AND METHOD FOR PRODUCING COMPRESSED HYDROGEN

Resumen de: WO2025053761A1

The present invention relates to a water electrolyser system for production of compressed hydrogen, comprising a water electrolyser stack, a multiphase pump arranged downstream of the electrolyser stack and a hydrogen gas/liquid separator. The multiphase pump is arranged between the water electrolyser stack and the hydrogen gas/liquid separator. The present invention also relates to a method for production of compressed hydrogen in a water electrolyser system including: supplying deionized water or liquid electrolyte to a water electrolyser stack; producing hydrogen in a water electrolyser stack; compressing a mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a multiphase pump; and separating the compressed mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a hydrogen gas/liquid separator.

METHOD FOR OPERATING AN ELECTROLYSIS PLANT, AND ELECTROLYSIS PLANT

Resumen de: WO2025051652A1

The invention relates to a method for operating an electrolysis plant (1), comprising a stack (2) having an anode (3) and a cathode (4), wherein in normal operation of the electrolysis plant (1), water is supplied to the anode (3) via a water circuit (5) with an integrated pump (6), said water being split in the stack (2) by electrolysis into hydrogen and oxygen, and wherein the hydrogen produced by electrolysis is supplied to a gas-liquid separator (8) via a cathode outlet (10) of the stack (2) and a media line (7) connected thereto. According to the invention, when the electrolysis plant (1) is switched off, the current density is reduced to 0 A/cm² and the media line (7) is shut off with the aid of a valve (9), while the anode (3) continues to be supplied with water via the water circuit (5) with the aid of the pump (6). The invention further relates to an electrolysis plant (1) that is suitable for carrying out the method or can be operated according to the method.

PROTECTIVE BARRIER FOR ELECTROCHEMICAL DEVICE

Resumen de: US2025075350A1

0000 An assembly for an electrochemical device may include, among other things, a conductive metallic plate and at least one carbon layer extending along the metallic plate. The at least one carbon layer may include a plurality of carbon fibers that may establish a porous construct. A plastic film may extend between the metallic plate and the at least one carbon layer. The plastic film may impregnate the porous construct such that the at least one carbon layer may be substantially impermeable to fluid. At least some of the carbon fibers may extend through the plastic film to establish a conductive path between the at least one carbon layer and the metallic plate. A method of forming an electrochemical device is also disclosed.

METHOD AND DEVICE FOR PRODUCING HYDROGEN BY MEANS OF WATER DISSOCIATION BY THERMOCHEMICAL REACTIONS UNDER (QUASI-)ISOTHERMAL CONDITIONS USING DIFFERENT POWER SOURCES

Resumen de: EP4775532A1

0001 (EN) The present invention relates to a method for producing hydrogen by means of thermochemical water dissociation cycles under (quasi-)isothermal conditions, wherein said method comprises arranging a large amount of active material (104) inside a reaction volume (109) of a reactor (103); heating the active material (104), reducing the active material (104) and generating oxygen in the reaction volume; evacuating the oxygen produced via a first evacuation path (111) of the outlet (106) of the reactor (103); injecting water into the reaction volume (109) of the reactor, oxidating the active material (104) and producing hydrogen; evacuating the hydrogen produced via a second evacuation path (112) of the outlet (106) of the device (100); and separating the evacuated hydrogen and remaining water. The invention further relates to a device for producing hydrogen.

一种电解海水制氢的阳极催化剂浆料及其制备方法

Resumen de: CN122382648A

0001 本发明公开了一种电解海水制氢的阳极催化剂浆料及其制备方法，该阳极催化剂浆料的组成成分包括金属卟啉酰腙‑碳纳米管凝胶，该金属卟啉酰腙‑碳纳米管凝胶以含四个酰肼基的金属化卟啉化合物、至少两个醛基的化合物、氨基化的碳纳米管为原料，三者通过共价键构建起稳定、催化活性高、选择性高的三维网络结构，从而使得制备的电解海水制氢的阳极催化剂层同时兼具高活性、高析氧选择性与稳定性。

制氢系统

Resumen de: CN122382579A

0001 本公开涉及一种制氢系统，所述制氢系统包括电解槽、气液分离单元、热量利用单元和渗透压利用单元，通过热量利用单元和渗透压利用单元的协同作用，实现了电解液余热和渗透压能量的高效回收与水资源的循环利用，显著提高了系统的能源利用效率和水资源利用率，系统运行更加稳定高效，具有较强的实用性和推广价值。

电子受体材料及其制备方法、光催化剂

Resumen de: CN122381094A

0001 本申请涉及光催化材料技术领域，尤其涉及一种电子受体材料及其制备方法、光催化剂。本申请提供的电子受体材料具有说明书中式I所示的化学结构通式。本申请的电子受体材料主体以稠环共轭单元为中心，两端共连着四个甲氧基的强拉电子末端，这样的具有稠环共轭单元、基于甲氧基末端的共轭大分子具有高的分子结晶性，更紧密的分子层状堆叠效果。因此，将本申请的电子受体材料用在光催化剂中，可以显著降低由三重态引发的反向电荷转移与载流子复合风险，从而促进了光催化反应效率，具有很好的光催化析氢性能。

一种C负载Ru单原子和Ni纳米颗粒的协同催化剂及其制备方法和应用

Resumen de: CN122382617A

本发明属于电催化材料技术领域，更具体的说是涉及一种C负载Ru单原子和Ni纳米颗粒的协同催化剂及其制备方法和应用。本发明以Ni(ina)2为前驱体，经高温煅烧构筑Ni@C核壳结构载体，以此同步提升催化剂的本征催化活性与结构稳定性。随后采用一步浸渍法负载Ru单原子，工艺简洁、可操作性强、普适性广，能够实现Ru单原子的均匀负载与稳定锚定。通过高温焙烧与浸渍的工艺，所制催化剂在碱性介质中兼具优异的析氢催化活性与长时间循环运行稳定性。

一种用于碱性电解水制氢的Ni基非晶合金催化薄带及其制备方法

Resumen de: CN122382622A

本发明涉及电解水制氢催化剂技术领域，公开了一种用于碱性电解水制氢的Ni基非晶合金催化薄带及其制备方法，该制备方法包括以下步骤：S1、将镍、锆、钯、铂按原子比64‑x‑y:36:x:y进行精确称量，经真空电弧熔炼成合金锭；S2、将合金锭熔化后喷射至高速旋转的铜辊表面甩带，形成非晶薄带；S3、将薄带浸入HF溶液中进行脱合金处理；S4、清洗干燥后获得多孔非晶催化薄带。该方法制备的催化薄带在碱性电解液（1 M KOH）中表现出优异的析氢反应（HER）催化性能，实现10 mA/cm2电流密度下的过电位低至13 mV，塔菲尔斜率达12 mV/dec，且工艺重复性高、步骤简单，适于规模化生产。

一种反钙钛矿金属氮化物电催化析氧催化剂及其制备方法和应用

Resumen de: CN122382612A

0001 本发明涉及电催化析氧技术领域，具体公开了一种反钙钛矿金属氮化物电催化析氧催化剂及其制备方法和应用。所述制备方法包括：将铁盐、镍盐与溶剂混合，得到前驱溶液；将所述前驱溶液旋涂在衬底上，烘干，热解，退火，得到生长有反钙钛矿金属氮化物FeNNi<3>薄膜的衬底，即为电催化析氧催化剂。本发明提供的反钙钛矿金属氮化物FeNNi<3>电催化析氧催化剂，表现出超高的电催化析氧活性，在介质中实现高效且持久的电催化活性，可应用于电解水和氢能存储中；可以通过调控薄膜的厚度，来调节FeNNi<3>催化剂的性能。在电催化过程中FeNNi<3>显著降低过电位，反钙钛矿金属氮化物具备优异的导电性，Fe与Ni的双金属组合可通过电子结构的协同调控优化催化性能，具备较高电催化应用价值。

SO42-修饰的Sr掺杂IrO2催化材料及其制备方法、应用和电解水器件

Resumen de: CN122382629A

0001 本发明属于电解水析氧技术领域，涉及一种SO<4>2‑ 修饰的Sr掺杂IrO<2>催化材料及其制备方法、应用和电解水器件，所述的SO<4>2‑ 修饰的Sr掺杂IrO<2>催化材料，包含Sr掺杂IrO<2>纳米颗粒，以及富集并锚定在Sr掺杂IrO<2>纳米颗粒上的SO<4>2‑ 基团；本发明研究表明，创新地采用Sr对IrO<2>进行掺杂，配合SO<4>2‑ 修饰，如此能够意外地稳定SO<4>2‑ 修饰结构，能够协同强化材料的OER活性和稳定性。

一种含磷非贵金属的碱性电解水制氢电极及制备方法

Nº publicación: CN122382545A 14/07/2026

Solicitante:

深圳铱创科技有限公司

Resumen de: CN122382545A

0001 本发明公开了一种含磷非贵金属的碱性电解水制氢电极及制备方法，方法包括：对雷尼镍网基材进行清洗和表面处理；配制含钴盐、镍盐、磷酸二氢钠和二甲胺基甲硼烷的第一反应液，将基材放入反应液中沉积后干燥，再于400‑600℃下烧结，形成含磷镍钴硼内层保护层；然后配制含钴盐、镍盐和二甲胺基甲硼烷的第二反应液，将带有内层保护层的基材放入第二反应液中沉积，干燥后得到外层为镍钴硼催化层的碱性电解水制氢电极。本发明通过双层涂层结构和中间烧结处理，提高电极在大电流密度下使用寿命和对波动电能的动态响应能力，能够有效抵抗电解池内部在电流关断时产生的反向电流腐蚀，过电位大幅降低，适用于与风能、光能联用和普通稳定电源的工业电解水制氢。