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975
resultados
Última actualización
28/10/2025 [07:03:00]
Resultados 75 a 100 de 975
Resumen de: US2025305165A1
The present disclosure relates to an oxygen electrode for solid oxide electrolysis cell and a method of manufacturing the same.
Resumen de: US2025313969A1
This specification relates to a membrane electrode assembly for hydrogen production, an electrochemical cell comprising the same, and a method for hydrogen production using the same. According to an embodiment of the present invention, the membrane electrode assembly for hydrogen production, the electrochemical cell comprising the same, and the method for hydrogen production using the same can improve ammonia electrolysis durability by preventing performance degradation due to catalyst poisoning and restoring the performance.
Resumen de: KR20250144764A
본 발명은 니켈 및 바나듐을 일정 비율로 포함하는 수소발생반응용 촉매에 관한 것으로, 본 발명의 촉매는 종래의 귀금속 대비 동등 이상의 촉매 활성을 나타낼 수 있고, 수소 발생 효율이 높으며 비담수 조건에서도 우수한 안정성을 나타낼 수 있다.
Resumen de: CN120322494A
The present invention relates to a basic anion exchange membrane precursor (pAAEM) comprising a blend of at least one first polymer (P1) comprising recurring units derived from acrylonitrile and at least one second polymer (P2) comprising recurring units derived from vinyl lactam; and to an alkaline anion exchange membrane (AAEM) obtained therefrom.
Resumen de: CN120769776A
本发明涉及一种用于氨分解的催化剂和一种氨分解方法。所述催化剂包含载体和由所述载体负载的催化活性组分，所述催化活性组分包含：i)作为第一金属的钌；ii)第二金属；和iii)第三金属，其中，所述第二金属和所述第三金属各自独立地为选自镧(La)、铈(Ce)、铝(A1)和锆(Zr)中的至少一种。
Resumen de: JP2024146570A
To appropriately reduce a pressure and a temperature inside an electrolysis module when power supply is cut off due to power outage, etc. without deteriorating facility economic performance.SOLUTION: An electrolysis system 100 comprises: an electrolytic module 10; a steam supply system 40 which supplies steam to a hydrogen electrode; a hydrogen recovery system 50 which recovers hydrogen-enriched steam; an air supply system 20 which supplies air to an oxygen electrode; an oxygen recovery system 30 which recovers exhaust air; a hydrogen-enriched steam discharge system 60 which discharges the hydrogen-enriched steam into the atmosphere from the hydrogen recovery system 50; an exhaust air discharge system 70 which discharges the exhaust air into the atmosphere from the oxygen recovery system 30; a hydrogen-enriched steam discharge valve 63 which is arranged in the hydrogen-enriched steam discharge system 60; an exhaust air discharge valve 73 which is arranged in the exhaust air discharge system 70; and a control unit which performs control so that openings of the hydrogen-enriched steam discharge valve 63 and the opening of the hydrogen-enriched steam discharge valve 63 are adjustable when the electrolytic module 10 is stopped.SELECTED DRAWING: Figure 4
Resumen de: KR20250144028A
본 발명은 우수한 수전해 촉매활성을 갖는 레늄-바나듐 셀레나이드 합금 나노시트 및 이의 제조방법에 관한 것이다. 보다 구체적으로, 본 발명의 레늄 바나듐 디셀레나이드 합금 나노시트 제조방법에 따르면, 간단하고 경제적인, 저온 콜로이드 합성법을 이용하여 종래 전기전도성이 낮은 레늄 디칼코게나이드 소재 및 수소촉매활성이 낮은 바나듐 디칼코게나이드 소재와 달리, 전기전도성이 우수하고, 촉매 활성이 뛰어난 레늄-바나듐 디셀레나이드 합금 시트를 손쉽게 합성할 수 있다. 또한 상기 방법으로 제조된 레늄 바나듐 디셀레나이드 합금은 일례로 수소발생반응(hydrogen evolution reaction; HER)에 있어서 전류밀도가 10 ㎃㎝-2 일때, 과전압 값이 77 ㎷ 이하, 타펠(Tafel) 기울기가 62 mVdec-1 이하가 되도록 하는 우수한 촉매활성을 가지므로, 기존 고가의 백금 촉매를 대체할 수 있는 이점이 있고, 더 나아가 신재생에너지 기반의 나노소재 기술분야에 널리 적용이 가능하다.
Resumen de: KR20250144026A
본 발명은 우수한 수전해 수소발생반응 촉매 활성을 갖는 텅스텐 디셀레나이드 합금 나노시트 및 이의 제조방법에 관한 것이다. 보다 구체적으로, 본 발명의 텅스텐 디셀레나이드 합금 나노시트 제조방법에 따르면, 간단하고 경제적인, 저온 콜로이드 용액 합성법을 이용하여 종래 전기전도성이 낮은 육방정계 2H 결정상의 텅스텐 디셀레나이드 합금이 아닌, 전기전도성이 우수하고 촉매 활성이 뛰어난 금속성 2M 결정상의 텅스텐 디셀레나이드를 선택적으로 손쉽게 합성할 수 있고, 결정상 조절이 용이하다. 또한 상기 방법으로 제조된 2M 결정상의 텅스텐 디셀레나이드 합금은 일례로 수소발생반응(hydrogen evolution reaction; HER)에 있어서 전류밀도가 10 ㎃㎝-2 일때, 과전압 값이 104 ㎷ 이하, 타펠(Tafel) 기울기가 71 ㎷dec-1 이하가 되도록 하는 우수한 촉매 활성을 가지므로, 기존 고가의 백금 촉매를 대체할 수 있는 이점이 있고, 더 나아가 신재생에너지 기반의 나노소재 기술분야에 널리 적용이 가능하다.
Resumen de: WO2025204074A1
Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).
Resumen de: JP2025154808A
【課題】微生物の繁殖を抑制可能な水素発生装置を提供すること。【解決手段】水を電気分解して水素を発生させる電解装置と、前記電解装置を通じて水を循環させるための循環経路と、該循環経路に水を供給する給水経路とを備え、該給水経路にイオン交換器が設けられ、陽イオンを含む水が前記循環経路に供給されるように構成されている水素発生装置、を提供する。【選択図】 図１
Resumen de: JP2025153494A
【課題】蒸気発電プラントのシステム効率を向上させること。【解決手段】蒸気発電プラント１は、ボイラ２１と蒸気タービン２２とを接続する第１蒸気管４１と、第１蒸気管４１から分岐して、ボイラ２１で発生した蒸気を熱媒体として水素製造システム３の熱交換器３２へ供給する第２蒸気管４４と、熱交換器３２を通過後の熱媒体を復水タンク２５または脱気器２６へ供給する戻し配管４６と、を有し、戻し配管４６には、熱交換器３２を通過後の熱媒体の供給先を、復水タンク２５と脱気器２６との間で切り替える切替弁Ｖｃが設けられている。【選択図】図１
Resumen de: JP2025152951A
【課題】高酸素かつ高温環境下に長時間曝露した後、性能の変化が生じにくい固体酸化物形水電解セルの酸素極の製造方法及び酸素極を提供する。【解決手段】ランタン、ストロンチウム、コバルト、鉄を主構成元素として含むペロブスカイト型酸化物を備えた固体酸化物形水電解セルの酸素極の製造方法である。以下の工程：ペロブスカイト型酸化物を準備する準備工程；ペロブスカイト型酸化物を大気雰囲気中で６００℃以上８００℃以下の温度に加熱し、少なくとも７２時間以上暴露する大気雰囲気熱曝露工程；その後にペロブスカイト型酸化物をさらに酸素分圧５０％以上となる高酸素雰囲気中で６００℃以上８００℃以下の温度に加熱し、少なくとも７２時間以上暴露する高酸素雰囲気熱曝露工程；その後のペロブスカイト型酸化物の格子体積を測定する格子体積測定工程；を包含する。格子体積が４０４．８Å３以上である上記酸化物を使用して上記酸素極を製造する。【選択図】図１
Resumen de: WO2025204109A1
The purpose of the present invention is to improve the energy efficiency of a hydrogen production system as a whole. A hydrogen production system (1) produces hydrogen. The hydrogen production system (1) is provided with: an SOEC (10) that is supplied with an oxidizing gas and steam and generates hydrogen by electrolyzing the supplied steam; a steam generation unit (20) that generates the steam supplied to the SOEC (10) by heating feed water; and a power supply device (40) that supplies power to the SOEC (10) so that the SOEC (10) operates at an operation point exceeding a thermal neutral point. The steam generation unit (20) uses heat generated in the SOEC (10) to heat the feed water, and generates the steam without using heat supplied from outside of the hydrogen production system (1).
Resumen de: JP2025154810A
【課題】整流器を収容筐体内の下部側に配置しても端子部に水が飛来し難くさせることを課題としている。【解決手段】水を電気分解して水素を製造する電解装置１０と、前記電解装置に供給する電力を整流する整流器２０と、前記電解装置、及び、前記整流器を収容する収容筐体７０と、を備え、前記整流器が、電力線を接続するための電力端子を備えた端子部２３を有し、前記収容筐体が、少なくとも前記整流器の側方に側壁７３１ａ、７３１ｂを備え、前記整流器は、前記収容筐体内の下部側に配され、前記端子部が前記収容筐体の前記側壁と対向するように配されており、前記端子部よりも上方において前記側壁に向けて突出し、前記端子部を上方から覆う突出部２０ａを備え、前記突出部の先端縁と前記収容筐体の前記側壁との間には隙間が設けられている水電解装置、を提供する。【選択図】図２
Resumen de: US2025313520A1
Process and plant for producing methanol, the process comprising the steps of: a) providing a raw synthesis gas stream; b) water gas shifting at least a portion of the raw synthesis gas stream, thereby producing a shifted synthesis gas; c) preparing a separate hydrogen containing stream and a separate oxygen containing stream by electrolysis of a water feedstock; d) introducing at least a portion of the separate hydrogen containing stream into shifted synthesis gas, thereby producing a methanol synthesis gas; and e) converting the methanol synthesis gas into said methanol.
Resumen de: JP2025150860A
【課題】空気極へのクラックの発生を抑制できる技術を提供する。【解決手段】固体酸化物形電解セルは、一般式Ａ１ｘＡ２ｙＢＯ３－δ（ただし、０．９≦ｘ＋ｙ＜１、δは酸素欠損量）で表されるペロブスカイト構造を有する複合酸化物を主成分として含有する空気極と、燃料極と、前記空気極と前記燃料極との間に配置された固体電解質層と、を備え、前記空気極は、前記複合酸化物とは異なる物質であって、コバルトと鉄との少なくとも一方を含有する物質を含み、前記空気極の断面における前記物質の面積占有率は、前記固体電解質層側の界面から１０μｍ以内の界面領域よりも、前記固体電解質層側とは反対の表面から１０μｍ以内の表面領域の方が大きい。【選択図】図２
Resumen de: DE102024203047A1
Die Erfindung betrifft ein Verfahren zur Inbetriebnahme oder Wiederinbetriebnahme eines Elektrolysesystems (1), umfassend- mindestens einen Stack (2),- eine an den Stack (2) angeschlossene Zuleitung (3) für Wasser, insbesondere für DI-Wasser oder ein Wasser-Lauge-Gemisch,- an den Stack (2) angeschlossene Ableitungen (4, 5) für die Produktgase Wasserstoff und Sauerstoff sowie- in die Ableitungen (4, 5) integrierte Gas-Flüssigkeits-Separatoren (6, 7). Erfindungsgemäß wird vor der Inbetriebnahme oder der Wiederinbetriebnahme das Elektrolysesystem (1) mit Wasser, insbesondere mit DI-Wasser oder mit einem Wasser-Lauge-Gemisch, gespült, so dass im Stack (2), in den Zuleitungen (3), in den Ableitungen (4, 5) und in den Gas-Flüssigkeits-Separatoren (6, 7) vorhandenes Gas durch das Wasser vollständig verdrängt wird.Die Erfindung betrifft ferner ein Elektrolysesystem (1), das zur Durchführung des Verfahrens geeignet ist bzw. nach dem Verfahren in Betrieb genommen werden kann.
Resumen de: DE102024203226A1
Die Erfindung betrifft eine Gasdiffusionslage (5) für eine Elektrolysezelle (1), umfassend eine Feinlage (51), eine Groblage (52) wobei die Feinlage (51) eine Feinstruktur mit Poren einer ersten Porengröße umfasst, wobei die Groblage (52) eine Grobstruktur mit Poren einer zweiten Porengröße umfasst, wobei die Groblage (52) eine Vielzahl von Spiralelementen (520) umfasst, wobei die Spiralelemente (520) verwoben sind, wobei mindestens ein Spiralelement (520) frei beweglich ist, insbesondere frei rotierbar ist, wobei die Gasdiffusionslage ferner mindestens eine Zwischenlage (53) umfasst, wobei die mindestens eine Zwischenlage (53) eine Zwischenstruktur mit Poren einer Zwischenporengröße umfasst,wobei die Zwischenlage (53) zwischen der Feinlage (51) und der Groblage (52) angeordnet ist, wobei die Zwischenporengröße größer als die der Feinlage (51) ist und wobei die Zwischenporengröße kleiner als die der Groblage (52) ist.
Resumen de: DE102024203048A1
Elektrolysezelleneinheit (1) zur elektrolytischen Herstellung von Wasserstoff aus Ammoniak und je eine Elektrolysezelle (4) umfassend eine Anode (19) zur Erzeugung von Stickstoff an der Anode (19) an einem Anodenkanal (21) zum Durchleiten eines flüssigen Anodenelektrolyten mit Ammoniak, eine Kathode (20) zur Erzeugung von Wasserstoff an der Kathode (20) an einem Kathodenkanal (22) zum Durchleiten des Kathodenelektrolyten, eine den Anodenkanal (21) von dem Kathodenkanal (22) trennende gasdichte Membran (16) als Diaphragma (16) zur Durchleitung von Ionen, insbesondere Hydroxidionen, durch die Membran (16), wobei mehrere Elektrolysezellen (4) als ein Elektrolysezellenstack (3) aufeinander gestapelt angeordnet sind als Elektrolysezelleneinheit (1).
Resumen de: DE102025112142A1
Die Erfindung betriff eine Gasdetektionseinrichtung (10) für einen Elektrolyseur (1), mit einer Zuführleitung (41) zum Zuführen von Gas zu einem Gasanalysegerät (50), wobei das Gas über einen mit einer Kathodenseite (5) oder Anodenseite (4) des Elektrolyseurs (1) verbindbaren Separator (14, 22) in die Zuführleitung (41) zuführbar ist, wobei der in der Zuführleitung (41) herrschende Druck des Gases zwischen einem Atmosphärendruck und einem gegenüber dem Atmosphärendruck erhöhten Druck über einen mit der Zuführleitung (41) wirkverbundenen, in einer Auslassleitung (26, 28) angeordneten Druckminderer (30, 32) einstellbar ist.
Resumen de: DE102024203042A1
Die Erfindung betrifft einen Elektrolytkreislauf (1) zur Versorgung eines Elektrolyse-Stacks (2) einer Elektrolyseanlage (3) mit einem Elektrolyten (4), beispielsweise mit Wasser, wobei der Elektrolytkreislauf (1) zwei Teilkreise (1.1, 1.2) umfasst, die stromaufwärts des Elektrolyse-Stacks (2) zusammengeführt sind, und wobei in jeden Teilkreis (1.1, 1.2) ein Gas-Flüssigkeit-Separator (5, 6) integriert ist. Erfindungsgemäß ist in den Elektrolytkreislauf (1), vorzugsweise in mindestens einen Teilkreis (1.1, 1.2) und/oder in mindestens einen Gas-Flüssigkeit-Separator (5, 6) ein die Blasenbildung förderndes Nukleierungsmaterial (7) in Form einer Oberflächenbeschichtung, einer festen Struktur und/oder einer losen Schüttung integriert.Die Erfindung betrifft ferner eine Elektrolyseanlage (3) zur Herstellung von Wasserstoff mit einem erfindungsgemäßen Elektrolytkreislauf (1).
Resumen de: US2025309291A1
In a first stacked body providing step, a first stacked body, in which a first ionomer material having an ion exchange capacity of less than a predetermined value and a first electrode are stacked, is provided. In a second stacked body providing step, a second stacked body, in which a second ionomer material having an ion exchange capacity of equal to or greater than the predetermined value and a second electrode are stacked, is provided. In a substrate providing step, an electrolyte substrate is provided. In a swelling step, the first stacked body, the second stacked body, and the electrolyte substrate are caused to swell. In a joining step, the electrolyte substrate and the first ionomer material of the first stacked body are joined together, and the electrolyte substrate and the second ionomer material of the second stacked body are joined together.
Resumen de: WO2025210353A1
An electrolyser apparatus is provided comprising an enclosure having containing walls defining a fuel space, and an inlet for receiving input fuel such as H2O to be contained in said fuel space. Electrochemical cells located substantially within said enclosure at least partially convert fuel such as H2O into first and second products such as hydrogen and oxygen. The cells are exposed to fuel in the fuel space. There is a first exhaust pathway to receive the first product produced by the electrochemical cells and transport it to the exterior of the enclosure and a second exhaust pathway to receive the second product and transport it to the exterior of the enclosure. The arrangement of each cell in an array preferably defines an active fuel volume adjacent to a fuel side of the cell. At least part of the active fuel volume is open to the fuel space defined by the enclosure. In this way, fuel such as steam may be present between multiple cell stacks and all around the cells, in equal concentration at all points in the fuel volume.
Resumen de: WO2025210347A1
A catalyst-coated membrane for a water electrolyser is provided. The catalyst-coated membrane comprises a polymer electrolyte membrane with an anode catalyst layer on a first side of the membrane. The anode catalyst layer comprises an oxygen evolution reaction catalyst containing at least one noble metal at a loading of the oxygen evolution reaction catalyst, based on the noble metal content, of less than or equal to 0.6 mg/cm2. The polymer electrolyte membrane comprises a membrane layer comprising dispersed platinum group metal-containing nanoparticles, a nanoparticle stabilising agent and an ion-conducting polymer.
Nº publicación: WO2025209976A1 09/10/2025
Solicitante:
TOPSOE AS [DK]
TOPSOE A/S
Resumen de: WO2025209976A1
Solid Oxide Electrolysis Cell System The present invention relates to a Solid Oxide Electrolysis Cell (SOEC) system for industrial hydrogen, carbon monoxide or syngas production comprising SOEC core modules with at least one SOEC core and a plurality of SOEC stacks, wherein the SOEC core modules are adapted to be stacked on top of each other in two or more layers to optimize the plot area of the SOEC system.
BOPI
Sede Electrónica
