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764
resultados
Última actualización
26/09/2025 [06:58:00]
Resultados 200 a 225 de 764
Resumen de: WO2024116062A1
The present invention relates to a symmetrical separator membrane for electrolysis of alkaline water and with homogeneous distribution of the pores.
Resumen de: KR20250115635A
본 발명은 성능 및 내구성 향상을 위한 수전해 고분자 전해질 막의 제조방법에 관한 것이다. 본 발명은, 물을 전기분해하여 수소를 생성하는 수전해 장치에 사용되는 수전해 비불소 탄화수소계 고분자 전해질 막의 제조방법으로서, 비불소 탄화수소계 고분자 용액을 캐스팅하여 고분자 전해질 막을 형성하는 제막 단계; 상기 형성된 고분자 전해질 막을 건조시키는 건조 단계; 및 상기 건조된 고분자 전해질 막을 어닐링하는 어닐링 단계를 포함하는 수전해 비불소 탄화수소계 고분자 전해질 막의 제조방법을 제공한다. 본 발명에 따르면, PEM 수전해용 고분자 전해질 막의 성능과 내구성을 효과적으로 향상시킬 수 있다.
Resumen de: US2025247039A1
Aspects of the present disclosure are directed to an electrolysis chamber. In some aspects, the electrolysis chamber includes a floor and sidewalls defining an interior region configured to contain an electrolyte solution; a cation pod and an anion pod disposed in the interior region, each of the cation pod and the anion pod including a gas containment cap terminating at a respective gas vent port; a pod divider extending from the gas containment caps partway toward the floor so as to separate at least a portion of the cation pod from the anion pod; a plurality of vertically stacked cation electrolysis mesh screens arranged within the cation pod; and a plurality of vertically stacked anion electrolysis mesh screens arranged within the anion pod.
Resumen de: US2025246642A1
The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium, tantalum and ruthenium: wherein the oxygen evolution catalyst comprises a crystalline oxide phase having the rutile crystal structure; wherein the crystalline oxide phase has a lattice parameter a of greater than 4.510 Å.
Resumen de: US2025246660A1
Described is a long-lasting, heavy-duty ion exchange membrane comprising a fluorinated ionomer, a CexM1-xOy nanoparticle, and optional additives; where x is 0.2-0.9, y is 1-3, and M is Zr, Gd, Pr, Eu, Nd, La, Hf, Tb, Pd, Pt, or Ni. Optional additives may include reinforcement layers, which may be embedded in the ion exchange membrane. Such membranes are formed from ion exchange polymer dispersions and are useful to form membrane assemblies for fuel cell or water electrolysis applications. The present membranes and membrane assemblies have improved chemical stability and durability in such applications.
Resumen de: US2025246641A1
An electrocatalyst including a substrate and CoxNiyFe2O4 nanoparticles, where x+y=1. The CoxNiyFe2O4 nanoparticles are doped with 0.01 weight percentage (wt. %) to 1.0 wt. % selenium (Se), based on the total weight of the CoxNiyFe2O4 nanoparticles. Further, the CoxNiyFe2O4 nanoparticles have a polygonal shape, and the CoxNiyFe2O4 nanoparticles are dispersed on the substrate to form the electrocatalyst.
Resumen de: AU2023408768A1
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).
Resumen de: JP2025112252A
【課題】本発明は、ＣｏＰが担持されたリン化コバルト炭素複合粒子を提供することを目的とする。【解決手段】細胞を、リンのオキソ酸及びその塩からなる群より選択されるリン源と共存させた状態で、コバルト化合物と有機溶媒とを含む処理液中で含浸処理する工程と、前記含浸処理後の細胞を焼成する工程と、を含み、前記リン源を構成するリンの量が、前記細胞の野生型に含まれるリンの量よりも多い、リン化コバルト炭素複合粒子の製造方法。【選択図】なし
Resumen de: WO2025158319A1
A method and an apparatus for a cooling of an electroyzer unit is described. The apparatus receives a temperature value associated with ambient air in proximal to the electrolyzer unit. The apparatus compares the temperature value with a predefined temperature threshold. The apparatus controls a supply of a liquid air stream from an air separation unit to a first heat exchanger unit based on the comparison. The apparatus control the first heat exchanger unit to mix the liquid air stream with the ambient air. The mixing of the liquid air stream and the ambient air causes transfer of heat therebetween. The apparatus controls a cooling of the electrolyzer unit based on the mixing.
Resumen de: US2025214034A1
Hydrogen gas purifier electrochemical cells, systems for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells and methods of electrolyzing water to produce hydrogen gas are also disclosed.
Resumen de: GB2637456A
An electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16) is described. The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Resumen de: CN119547229A
The invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises:-a plurality of channels (101) for conducting an operating medium of the energy converter (200, 300),-a plurality of supply openings (103) for supplying the plurality of channels (101) with an operating medium,-a plurality of distribution channels (105) for distributing the operating medium onto the plurality of channels (101), each distribution channel (105) of the plurality of distribution channels (105) extends between a corresponding supply opening (103) of the plurality of supply openings (103) and a corresponding channel (101) of the plurality of channels (101), and wherein the distribution channels (105) of the plurality of distribution channels (105) extend between the corresponding supply opening (103) of the plurality of supply openings (103) and the corresponding channel (101) of the plurality of channels (101). Each supply opening (103) of the plurality of supply openings (103) has an at least partially curved edge region at least on a distribution channel side facing a corresponding distribution channel (105) of the plurality of distribution channels (105).
Resumen de: EP4593125A1
A solid oxide electrochemical cell (400) includes a solid oxide electrolyte (5), a fuel-side electrode (7) located on a first side of the solid oxide electrolyte (5), and an air-side electrode (3) located on a second side of the solid oxide electrolyte (5). The air-side electrode (3) includes a strontium getter material, a current collector layer (34) and a functional layer (32) located between the current collector layer (34) and the second side of the solid oxide electrolyte (5).
Resumen de: WO2025125243A1
The invention relates to a method for producing an electrode (10) for use in alkaline electrolysis of water, the method comprising: providing a metal substrate (12); providing a coating material (26) comprising powder (28) consisting of a catalyst material (20), and comprising non-metal particles (24); and coating at least a portion of the substrate with the coating material. The invention also relates to electrodes produced in this way.
Resumen de: EP4593128A2
Provided herein is a method for producing a cement material, said method comprising steps of: a. reacting sulfur dioxide and water to form a first acid, the first acid comprising at least one sulfur-containing anion; b. reacting the first acid and a first cement precursor to form a second cement precursor; wherein the second cement precursor comprises the at least one sulfur-containing anion; and c. converting the second cement precursor to the cement material. Also provided is a system for producing a cement material.
Resumen de: EP4592426A2
This organic hydride generation system 1 is provided with: an electrolytic bath 2; a main power supply unit 56 that supplies power to the electrolytic bath 2; an auxiliary power supply unit 58 that supplies power to the electrolytic bath 2 independently of the main power supply unit 56; a detection unit 38 that detects the voltage of the electrolytic bath 2, the potential of an anode electrode 12, or the potential of a cathode electrode 16; and a control unit 10 that controls the supply of power to the electrolytic bath 2 on the basis of detection results of the detection unit 38. The control unit 10 controls the auxiliary power supply unit 58 to supply power to the electrolytic bath 2, when the voltage or potential is detected to be changed to a prescribed value during the operation stoppage of the organic hydride generation system 1 in which the power from the main power supply unit 56 is not supplied to the electrolytic bath 2.
Resumen de: WO2025159402A1
The present invention relates to a catalyst for an ammonia decomposition reaction and a hydrogen production method using same. More specifically, the present invention relates to: a catalyst for an ammonia decomposition reaction which, by containing cesium and cerium in a cobalt-molybdenum composite nitride, exhibits excellent catalytic activity in the ammonia decomposition reaction and thus enables an improved ammonia conversion rate, and which shows minimal degradation in activity even after high-temperature and long-duration reactions, offering excellent long-term stability; and a hydrogen production method using the catalyst.
Resumen de: KR20250115305A
본 발명은 알카라인 수전해 셀에 사용되는 고활성 산소 발생 전극의 제조방법에 관한 것으로, 본 발명에 따르면, 니켈 전극의 표면에 수증기를 노출시키는 간단한 방법으로 니켈 전극의 표면에 NiOOH 및 Ni(OH)2를 포함한 수산화물 층의 형성을 유도하였으며, 형성된 수산화물 층 중 특히 NiOOH는 산소 발생 반응(OER)의 활성을 향상시키고 과전위를 낮추며, 전하 이동 역학을 개선하여 니켈 전극의 산소 발생 반응 성능 및 장기안정성을 현저하게 향상시키므로, 상기 수산화물 층이 형성된 니켈 전극은 수전해 산소 발생 전극으로서 유용하게 사용될 수 있다.
Resumen de: CN120226171A
The present disclosure relates to an electrochemical cell stack comprising solid state electrochemical cells (20), an electrically conductive separator (30); and a sealing element (40). The separator comprises: a central portion (31) having an oppositely recessed support surface (32) supporting the solid oxide cell, and a contact surface (34) opposite the recessed support surface contacting an adjacent solid state electrochemical cell; and a boundary portion (36) providing a relatively elevated top (37) and upstanding side walls (38). A sealing element (40) extends between an elevated top surface of the boundary portion and an opposing support surface (39) of an adjacent bulkhead. The spacing distance between the concave support surface and the contact surface of the adjacent separator, defined by the combined height of the sealing element and the upstanding side wall, is matched to the thickness of the solid state electrochemical cell.
Resumen de: US2022306559A1
A method for upgrading biogas to methanol, including the steps of: providing a reformer feed stream comprising biogas; optionally, purifying the reformer feed stream in a gas purification unit; optionally, prereforming the reformer feed stream together with a steam feedstock in a prereforming unit; carrying out steam methane reforming in a reforming reactor heated by means of an electrical power source; providing the synthesis gas to a methanol synthesis unit to provide a product including methanol and an off-gas. Also, a system for upgrading biogas to methanol.
Resumen de: JP2025111401A
【課題】アルカリ水電解用隔膜として使用した場合に、イオン透過性、イオン透過持続性およびガス遮蔽性に優れた効果を奏する、織物およびその製造方法を提供する。【解決手段】ポリフェニレンスルフィドを主たる成分とするマルチフィラメントを有する織物であって、前記マルチフィラメントの平均単糸直径が０．２μｍ以上５．０μｍ以下であり、かつ単糸本数が５０００本以上４０００００本以下である、織物。【選択図】なし
Resumen de: AU2023290620A1
The disclosure relates to systems and methods for continuous hydrogen production using photocatalysis. Specifically, the disclosure relates to systems and methods for continuous hydrogen production using photocatalysis of water utilizing semiconductor charge carriers immobilized on removable carriers in the presence of a reducing agent such as tertiary amines.
Resumen de: EP4592425A1
The present invention discloses an electrolyser system (100) and a method for operating the electrolyser system. The electrolyser system (100) comprises an electrolyser stack (101) further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet (102) of the stack (101) is configured for supplying catholyte to the cathode compartment of the stack (101) and an anolyte inlet (103) configured for supplying anolyte to the anode compartment of the stack (101). A catholyte outlet (104) transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator (106) and an anolyte outlet (105) transports gas-electrolyte mixture from the anode compartment to an oxygen separator (107). A pressure control unit (110) is configured to establish a predefined differential pressure (Δp) between the cathode compartment and the anode compartment of the stack (101) by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.
Resumen de: CN120384845A
The invention relates to the field of new energy, in particular to an offshore hydrogen and ammonia production system based on multi-energy complementation of wind, light and tide. The system is composed of a wind power generation unit, a tidal power generation unit, a photovoltaic power generation unit, an electric energy conversion device, an air nitrogen-making device, a seawater hydrogen-making device, a hydrogen-nitrogen ammonia-making device, an automatic control device, a system structure framework and an electric pod type propeller. The system structure framework comprises a net rack, a bottom plate, side plates, a top plate, stand columns, stairs, guardrails, hatch covers and boat anchors. The bottom plate, the side plates and the top plate are combined into a hull structure, the photovoltaic power generation units are arranged on the upper portion, the guardrails are arranged on the periphery, the electric pod type propellers are installed below, and the net racks are fixed on the periphery. Power generation units are installed in the middles of the vertical chord members of the net rack, wind power generation units are arranged above the sea surface, and tidal power generation units are arranged below the sea surface. The seawater hydrogen production device generates hydrogen, the air nitrogen production device generates nitrogen, and ammonia gas is synthesized in the hydrogen-nitrogen ammonia production device by utilizing electric energy generated by the power ge
Nº publicación: CN120384303A 29/07/2025
Solicitante:
ZHU CHENGCAI
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Resumen de: CN120384303A
The invention belongs to the technical field of hydrogen production catalysts, and discloses a preparation method of a water electrolysis hydrogen production catalyst, and the prepared catalyst comprises the following components: La2O3, NiO, CoO, TiO2 and MoS2. The preparation method specifically comprises the following steps: mixing raw materials; performing high-temperature sintering and atomic diffusion; performing crushing; the preparation method comprises the following steps: uniformly mixing raw materials, screening, performing high-temperature sintering and atomic diffusion on the uniformly mixed raw materials through an atmosphere furnace in the steps of high-temperature sintering and atomic diffusion, and specifically, performing atomic diffusion: diffusing La < 3 + > in La2O3 into NiO, CoO and TiO2 crystal lattices. Through high-temperature sintering and temperature-controlled diffusion, during high-temperature sintering, a rare earth element La < 3 + > is diffused into crystal lattices of NiO, CoO and TiO2, electron holes are introduced, the conductivity is enhanced, the adsorption energy of a hydrogen intermediate is optimized, in addition, due to the addition of MoS2, sulfur vacancies at the edge of MoS2 can stabilize the hydrogen intermediate and reduce the reaction overpotential, so that the activity of the catalyst is remarkably improved.
BOPI
Sede Electrónica
