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555
resultados
Última actualización
19/12/2025 [06:59:00]
Resultados 350 a 375 de 555
Resumen de: EP4582589A1
The present application belongs to the technical field of electrolytic hydrogen production, and particularly relates to a direct air electrolytic hydrogen production system. The system comprises an energy supply module, an electrolytic hydrogen production module, an electrolyte recycling module and a moisture vapor self-trapping module, wherein the energy supply module is connected to the electrolytic hydrogen production module; the electrolytic hydrogen production module comprises an electrolyzer; and the electrolyte recycling module is connected to the electrolytic hydrogen production module and the moisture vapor self-trapping module separately. The system may realize direct air electrolytic hydrogen production, while its energy consumption for electrolysis is comparable to that of industrial pure water electrolysis for hydrogen production, without additional energy consumption for desalination/purification of impure water solutions or for harvesting moisture from the air. The system greatly broadens the range of hydrogen energy sources without time and space limitation, providing technical support for future distributed hydrogen energy arrangement.
Resumen de: US2025327193A1
Disclosed is a electrolyte comprising solvent with low polarity and method of manufacturing electrochemical lithium-mediated ammonia using the same. In detail, an electrolyte comprising a first solvent represented by Structural Formula 1; a second solvent represented by Structural Formula 2; a metal salt; and a proton donor compound. The present disclosure can control the solvation structure through a solvent with low polarity even in a relatively low-concentration electrolyte, thereby constructing a high-performance ammonia production system.
Resumen de: WO2024130276A1
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.
Resumen de: CN120476486A
A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.
Resumen de: CN120476486A
A solid oxide cell stack has a combined flow distributor and contact enabler made of a pressed metal foil with diversion structures and contact regions between interconnect layers and cell layers in the stack.
Resumen de: WO2024132579A1
A process for producing a synthesis gas product comprising hydrogen from an endothermic cracking reaction of an ammonia feedstock stream, comprising the following steps: - Providing an ammonia feedstock stream, - Performing a catalytic conversion by catalytically converting the ammonia feedstock stream by cracking endothermically said ammonia feedstock stream into a synthesis gas product comprising hydrogen, - Performing heat exchanges step by performing heat exchanges between the synthesis gas product and the catalytic conversion of the ammonia feedstock stream, said heat exchanges step comprising the following steps: • Discharging the synthesis gas product in a synthesis gas product circulation duct, said duct being arranged for the heat exchanges between the discharged synthesis gas product and the catalytic conversion of the ammonia feedstock stream, • Recovering heat from the discharged synthesis gas product, • Directing the recovered heat to the catalytic conversion of the ammonia feedstock stream.
Resumen de: CN120418995A
The invention relates to an electrochemical reactor (1), in particular a redox flow cell, a fuel cell, an electrolytic cell or an electrosynthesis cell, comprising a stack (Z) consisting of a plurality of cells (2) which are separated from each other by at least one bipolar plate (3) and are stacked in a stacking direction (R), wherein the cells (2) each have two electrodes (5, 6) and a separator (10) arranged between the two electrodes (5, 6), and wherein the at least one bipolar plate (3) is flexible. In order to be able to increase mass transfer and material distribution with low construction and equipment investment and low material load, an oscillator (13) which excites at least one bipolar plate (3) to generate oscillations is integrated in the bipolar plate (3).
Resumen de: WO2024133496A1
The subject matter of the invention is essentially that of obtaining an indirect optimal thermal coupling between a nuclear reactor and a production unit for producing hydrogen by high-temperature electrolysis by means of a suitably chosen draw-off tap downstream of the high-pressure body of the Rankine cycle turbine of the nuclear reactor, which will transfer the heat thus drawn off by means of a closed loop between an intermediate heat exchanger and a coupling steam generator to liquid water supplied to the production unit in order to inject steam at a high temperature required to perform the electrolysis. This indirect heat input may be carried out continuously or at a decreasing rate until there is enough heat produced by the electrolysis reaction.
Resumen de: CN118461035A
The invention provides an electrode catalyst and a preparation method and application thereof, the electrode catalyst comprises a nanosheet catalyst structure, a plurality of holes are formed in the surface of the nanosheet catalyst structure, and the size of the holes is smaller than 80 nm. According to the electrode catalyst and the preparation method and application thereof, electrode catalysts of different structures are obtained, the specific surface area of the electrode catalyst is increased, and active sites are increased, so that the catalytic efficiency is improved, and the production cost is reduced.
Resumen de: US2025333854A1
A water electrolysis system that generates hydrogen and oxygen by electrolysis of water includes a water electrolysis cell including an anode, a cathode, and an electrolyte membrane sandwiched between the anode and the cathode, and a control device that controls electric power supplied to the water electrolysis cell, wherein the control device performs a potential changing process of changing a potential of the anode either or both of upon starting of the water electrolysis system and during continuous operation of the water electrolysis system, and the potential changing process includes a potential lowering process of lowering the potential of the anode to a predetermined potential.
Resumen de: WO2024189288A1
The invention relates to a part comprising a metal substrate and a layer of material based on amorphous carbon having sp2 hybridised bonds and sp3 hybridised bonds, wherein the layer has: - a first content of sp3 hybridised bonds on the substrate side; and - a second content of sp3 hybridised bonds on the side of an outer surface of the layer; - the first content being greater than the second content, characterised in that an average content within the layer of sp3 hybridised bonds is between 5% and 65%, and preferably between 5% and 45%, and in that the content of sp3 hybridised bonds changes continuously within the layer.
Resumen de: JP2025162706A
【課題】アンモニアの合成効率を上げることができる合成装置を提供する。【解決手段】合成装置は、窒素を含む原料ガスが供給される反応場にプラズマを発生するプラズマ発生装置と、水蒸気を分解して反応場に水素を発生する電気化学セルと、電気化学セルを作動した後、プラズマ発生装置を作動する制御装置と、を備える。制御装置は、反応場が条件を満たしたと判断される場合にプラズマ発生装置を作動しても良い。制御装置は、水素センサ、水蒸気センサ、計時装置または計測装置の電気信号に基づいてプラズマ発生装置を作動しても良い。【選択図】図１
Resumen de: JP2025162704A
【課題】安定してアンモニアを生成できる合成装置を提供する。【解決手段】合成装置は、筒状の電解質と、電解質の内側に配置されたカソードと、電解質の外側に配置されたアノードと、を備える電気化学セルと、カソードと間隔をあけて電気化学セルの内側に配置された電極を含む筒状の電極部材を含み、電極とカソードとの間にプラズマを発生するプラズマ発生装置と、を備え、原料ガスは電極部材の内側の第１の空間に供給され、電気化学セルは電極部材とカソードとの間の第２の空間に水素を発生し、第１の空間と第２の空間とをつなぐ孔が電極に複数設けられ、カソードはプラズマ発生装置のアース電極を兼ねる。【選択図】図１
Resumen de: CN120391000A
An electrochemical cell system (100) comprising: an electrochemical cell arrangement (10); a control unit (20) configured to operate the electrochemical cell arrangement (10) only as an electrolytic cell or as a fuel cell; a heating unit (40) located outside the electrochemical cell arrangement (10), the heating unit being thermally coupled to the electrochemical cell arrangement (10) and the heating unit being configured to alternately store heat from the electrochemical cell arrangement (10) to the heating unit (40) and supply heat from the heating unit (40) to the electrochemical cell arrangement (10); and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cell arrangement (10) to the heating unit (40) and from the heating unit (40) to the electrochemical cell arrangement (10).
Resumen de: TW202446469A
The invention relates to a thermal inverter (1, 2) for generating from a parent compound a first fluid of first molecules (H2) with a first molecular weight and a second fluid of second molecules (O2) with a second molecular weight, whereby the first molecular weight of the first molecules (H2) is less than the second molecular weight of the second molecules (O2). In a reaction device (1) the parent compound is decomposed into a mixture compound of the first molecules (H2) and the second molecules (O2).In order to improve the efficiency of such a thermal inverter the invention proposes a gas separator device (2) comprising a mixture inlet (26) for the mixture compound of the first and the second molecules at a bottom section (24) of the gas separator device (2) and a first and a second outlet (2() at a top section (25) of the gas separator device (2), the first outlet (27) providing substantially the first molecules (H2) and the second outlet (28) providing substantially the second molecules (O2), the gas separator device (2) further comprising guiding elements (6) for guiding the first and second molecules (H2, O2) from the mixture inlet (26) towards the first and second outlet (27, 28) in a coiled path, wherein the coiled path is confined by a sidewall (29).
Resumen de: KR20250154086A
본 발명은 향상된 수분흡수율 및 화학적 안정성을 갖는 우수한 이온전도성 고분자 조성물로, 사차화된 폴리페닐렌 옥사이드(QPPO: quaternized polyphenylene oxide)와 폴리비닐알콜(PVA: polyvinyl alcohol)를 포함하는 고분자 조성물, 상기 고분자 조성물을 포함하는 이오노머 주조 방법 및 이를 활용한 음이온교환막에 관한 것이다.
Resumen de: WO2024183850A1
An electrochemical cell stack (1) comprises a plurality of cells (2), which are separated from one another by bipolar plates (5, 5'), wherein each cell (2) is formed from two half-cells (3, 4) between which a membrane (6), surrounded by a support frame (7), is arranged, and wherein there is a porous transport layer (10, 11) in each half-cell (3, 4). The support frame (7) describes a stepped shape with two adjacent cross-section regions (12, 13), wherein an edge (18) of the membrane (6) lies in a step (17) formed by the cross-section regions (12, 13) and the porous transport layer (10) of a half-cell (3) extends into the step (17), and wherein the support frame (7) comprises at least one sealing arrangement (15) which is injection-moulded onto the support frame (7) and comprises an electrically insulating sealing material, wherein the sealing arrangement (15) comprises three sealing regions (19, 20, 21) each having at least one sealing lip (22, 22'), specifically a first sealing region (19) and a second sealing region (20) which are assigned to the narrower of the two cross-section regions (12, 13) facing the membrane (6) and each of which contact exactly one bipolar plate (5, 5'), and a third sealing region (21) which is on a side of the support frame (7) facing away from the step (17) and borders an opening (9) of the support frame (7) provided for the guiding through of media, and contacts both bipolar plates (5, 5') to which the first and the second sealing region (19, 20)
Resumen de: KR20250153897A
본 발명은 수전해 장치에서 생성된 수소와 산소를 수소연료전지 시스템으로 공급하여 전기를 생성하고, 이 과정에서 생성된 물을 다시 수전해 장치로 공급하여 수전해에 사용하는 형태로서 물의 공급없이 또는 최소한의 공급을 통해 전기를 생산하는 순환식 수소생성 및 발전장치를 제공한다.
Resumen de: KR20250154063A
본 발명은 촉매 지지체를 준비하는 제1단계; 촉매 활성금속 용액을 준비하는 제2단계; 상기 촉매 지지체에 촉매 활성금속 용액을 스프레이하는 제3단계; 촉매 활성금속 용액이 스프레이된 촉매 지지체를 가열 건조하는 제4단계;순으로 된 에그쉘 구조 촉매의 제조방법에 관한 것으로, 촉매 활성금속 용액을 촉매 지지체 표면에 스프레이하고 효과적으로 가열 건조함으로써 촉매 입자의 표면 부근에 활성금속 성분이 두루 퍼져 있는 구조를 갖는 에그쉘 구조 촉매의 제조방법에 대한 것이다. 본 발명에 의하면, 촉매 활성금속 용액을 촉매 지지체 표면에 스프레이하고 효과적인 건조과정으로 에그쉘 구조 촉매의 제조가 가능하여 촉매 활성금속이 촉매 입자의 표면에 두루 퍼지도록 할 수 있어 값비싼 촉매 활성금속을 적게 써도 활성이 유지되어 경제성이 좋은 효과가 있다.
Resumen de: US2023024948A1
A method for producing metal borohydride, Me(BH4)n, from metal boron oxide, Me(BO2)n, 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 number 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, N2, gas and a noble gas, optionally the noble gas being selected from at least one of helium, He; neon, Ne; argon, Ar; and xenon, Xe, under such circumstances, especially pressure and temperature, that oxygen atoms are removed from the metal boron oxide to provide metal boron, MeBn, 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, H2, gas under such circumstances that hydrogen chemically reacts with the metal boron particles to provide metal borohydride.
Resumen de: CN118461035A
The invention provides an electrode catalyst and a preparation method and application thereof, the electrode catalyst comprises a nanosheet catalyst structure, a plurality of holes are formed in the surface of the nanosheet catalyst structure, and the size of the holes is smaller than 80 nm. According to the electrode catalyst and the preparation method and application thereof, electrode catalysts of different structures are obtained, the specific surface area of the electrode catalyst is increased, and active sites are increased, so that the catalytic efficiency is improved, and the production cost is reduced.
Resumen de: US2025333862A1
A solid oxide electrolysis cell includes an oxygen electrode, a fuel electrode, and an electrolyte interposed between the oxygen electrode and the fuel electrode. The oxygen electrode comprises an oxygen electrode carrier comprising internal pores, and an oxygen electrode catalyst supported in the internal pores, and having a perovskite single-phase structure. The fuel electrode comprises a fuel electrode carrier and a fuel electrode catalyst supported on the fuel electrode carrier.
Resumen de: WO2024190982A1
Disclosed are a catalyst for the dehydrogenation of ammonia, a manufacturing method therefor, and a method for producing hydrogen using same. The disclosed catalyst for the dehydrogenation of ammonia comprises clay and an alkali metal and ruthenium supported on the clay.
Resumen de: CN120834594A
The embodiment of the invention relates to an off-grid comprehensive energy supply system with alcohol as an energy carrier. The off-grid comprehensive energy supply system comprises a hydrogen preparation system, a carbon dioxide preparation system and an alcohol preparation system, the hydrogen production system comprises a water electrolysis hydrogen production device, the hydrogen output end of the water electrolysis hydrogen production device is connected with the alcohol production system, and hydrogen is conveyed to the alcohol production system; the carbon dioxide preparation system comprises a biomass combustion device, and the biomass combustion device is connected with the oxygen output end of the water electrolysis hydrogen production device, receives oxygen and conveys carbon dioxide and first heat energy to the alcohol preparation system; the alcohol preparation system is used for synthesizing the hydrogen and the carbon dioxide into alcohol substances under the action of first heat energy; oxygen produced by the water electrolysis hydrogen production device provides an oxygen-enriched environment for the biomass combustion device, and the biomass combustion device provides a high-quality heat source and carbon dioxide for the alcohol preparation system, so that methanol and ethanol are generated, and integration of energy flow and substance flow is realized.
Nº publicación: JP2025535262A 24/10/2025
Solicitante:
オーミアムインターナショナル，インコーポレイテッド
Resumen de: WO2024081426A2
The present disclosure relates to circuits for connecting components of a hydrogen plant to a power grid to power the components in an efficient manner. In one implementation, power-side alternate current (AC) to direct current (DC) converters may be connected to a source power grid without the need for an isolation transformer by providing separate buses between the power-side AC-DC converters and load-side DC-DC converters instead of a shared DC bus between the converters. Other implementations for connecting components of a hydrogen plant to a power grid may include an adjustable transformer, such as a tappable transformer or an autotransformer, to connect any number of auxiliary loads of the plant to the power grid. The adjustable transformer may provide for various types of auxiliary load devices to connect to the power provided by the transformer at the same time, including both three-phase devices and one-phase devices.
BOPI
Sede Electrónica
