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1050
resultados
Última actualización
23/10/2026 [06:57:00]
Resultados 50 a 75 de 1050
Resumen de: WO2026216834A1
A method of energy self-sufficient sodium sulfate waste recycling of the present invention comprises the step of: feeding sodium sulfate waste into a two-compartment electrolytic cell and applying electric current so as to generate caustic soda, sulfuric acid, hydrogen, and oxygen; adding the mixture of the generated sulfuric acid and unreacted sodium sulfate waste into a crystallizer so as to recrystallize the sodium sulfate waste and separating into sulfuric acid and sodium sulfate crystals; supplying the hydrogen and the oxygen to a hydrogen fuel cell; and recycling the sodium sulfate crystals as a feedstock for the two-compartment electrolytic cell wherein the two-compartment electrolytic cell has a structure including a first cathode, a first anode, and a cation exchange membrane (CEM) disposed between the first cathode and the first anode, the hydrogen fuel cell has a structure including a second cathode, a second anode, and a proton exchange membrane (PEM) disposed between the second cathode and the second anode, and electrical energy generated by the hydrogen fuel cell may be used as electric power for the two-compartment electrolytic cell.
Resumen de: US20260316030A1
0000 Provided are an apparatus for promoting a chemical reaction of a metal oxide catalyst using microwaves and plasma and a method for promoting a chemical reaction using the same, which are capable of producing hydrogen by reducing and oxidizing a catalyst member, which is a metal oxide, and performing water splitting under a relatively low temperature.
Resumen de: US20260317922A1
0000 The porous titanium sheet has a thickness equal to or greater than 40 μm and equal to or less than 500 μm and porosity equal to or greater than 30% and equal to or less than 50%. A surface roughness of a first main surface of the porous titanium sheet is lower than a surface roughness of a second main surface opposing the first main surface. At a peripheral portion, a number of first protrusions protruding toward a side of the first main surface and having a height equal to or greater than 30 μm is equal to or less than a number of second protrusions protruding toward a side of the second main surface at the peripheral portion and having a height equal to or greater than 30 μm.
Resumen de: WO2025068713A1
The specification describes bilayer electrolyte membrane comprising: a first layer comprising a polymer electrolyte having particles of a recombination catalyst dispersed therein; and a second layer comprising a polymer electrolyte not having any recombination catalyst dispersed therein; wherein the thickness of the bilayer electrolyte membrane is 40-60 µm; the concentration of recombination catalyst in the first layer is 1-100 µg/cm2; and the bilayer electrolyte membrane is a single coherent polymer film. Also described is a method for preparing the bilayer electrolyte membrane, a catalyst coated membrane for an electrochemical device comprising the bilayer electrolyte membrane, and a fuel cell comprising the catalyst coated membrane.
Resumen de: CN119710757A
0001 The off-grid hybrid electrolysis hydrogen production system provided in this application includes a new energy power generation unit and an energy storage unit. A power conversion unit converts the electrical energy output from the new energy power generation unit and the energy storage unit into electrical energy suitable for hydrogen production. The electrolysis unit includes a proton exchange membrane hydrogen production module and a solid oxide electrolysis module, used for hydrogen production after the introduction of electrical energy. The controller uses the charge and discharge control of the energy storage unit to track the fluctuation value of the electrical energy output from the new energy power generation unit, ensuring that the total electrical energy fluctuation value output by the new energy power generation unit and the energy storage unit is within a set range. The above-mentioned solution provided in this application can improve the hydrogen production efficiency of the entire hydrogen production system, ensure that the hydrogen production system can operate off-grid, and, by keeping the total electrical energy fluctuation of the new energy power generation unit and the energy storage unit within a set range, this application eliminates the impact of power generation fluctuations from the new energy power generation unit on the hydrogen production effect.
Resumen de: EP4822060A1
0001 The purpose of the present disclosure is to provide an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing the temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: an electrolysis unit cell (105) that has a hydrogen electrode containing Ni, an oxygen electrode, and a solid electrolyte membrane and is formed in the circumferential direction of a base tube; and an interconnector that electrically connects a plurality of electrolysis unit cells arranged in the axial direction of the base tube. When the distance between the ends of the oxygen electrode, oriented in the axial direction of the base tube, in each electrolysis unit cell is defined as the width W of the electrolysis unit cell, and the area on the base tube in which the plurality of electrolysis unit cells are arranged is divided into a first end portion (10), a central portion (11), and a second end portion (12) along the axial direction, the widths W1, W3 of the electrolysis single cells (105b, 105c) positioned in the first end portion and/or the second end portion is 1.5 to 3 times greater than the width W2 of the electrolysis unit cell (105a) positioned in the central portion.
Resumen de: EP4821585A2
Processes and apparatus for electrocatalytically converting carbon dioxide emissions and/or ambient carbon dioxide into useful chemicals are described. The process may include: removing carbon dioxide from ambient air through a carbon capture technique, supplying a carbonate or bicarbonate aqueous solution as cathode feed to a cathode of an electrolytic cell comprising a membrane electrode assembly which includes a bipolar membrane separating an anode from the cathode, and applying an electrical potential difference between the cathode and the anode of the membrane electrode assembly to electrocatalytically reduce the carbonate or bicarbonate aqueous solution to carbon monoxide or another useful chemical.
Resumen de: EP4822062A1
0001 Provided is a membrane electrode assembly capable of suppressing hydrogen crossover. A membrane electrode assembly for polymer electrolyte membrane water electrolysis which comprises an anode having a catalyst layer, a cathode having a catalyst layer and a polymer electrolyte membrane provided between the anode and the cathode wherein at least one of the catalyst layer in the anode and the catalyst layer in the cathode comprises a fluorinated polymer having ion exchange groups and comprising units having a cyclic ether structure.
Resumen de: WO2025119499A1
The invention relates to a method of preparing a cell repeat unit (18) for use in an electrochemical cell stack (10), the method comprising providing an electrochemical cell unit (28), said cell unit (28) having an inner fluid volume (44) and a cell opening (60) for transporting fluid between said inner fluid volume (44) and the exterior of the cell unit, providing a gasket being configured to surround the cell opening, and attaching said gasket to said cell unit by a hot melt adhesive dose (80). The invention also relates to a cell repeat unit and an electrochemical cell stack.
Resumen de: JP2026167286A
【課題】水電解セルの劣化を抑制しつつ、エージング効果を奏する水電解システムを提供する。【解決手段】水電解セルで水電解を行う水電解システムであって、エージング処理として酸素極側に対して、低電圧側は１．４８Ｖ以下、高電圧側は１．８５Ｖ以下となるサイクル電圧を印加する。【選択図】図４
Resumen de: EP4822059A1
0001 The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.
Resumen de: EP4822058A1
The invention relates to a water electrolysis-based hydrogen production system (1) comprising a stack (2) comprising at least one electrolytic cell, the stack (2) being traversed by a first electrolyte circuit (Circ(H2)) to collect hydrogen gas (G_H2) and a second electrolyte circuit (Circ(O2)) to collect oxygen gas (G_O2); a first separator (3a) disposed in the first electrolyte circuit (Circ(H2)) for separating hydrogen gas (G_H2) from the electrolyte, the first separator (3a) comprising a first vessel (Va) presenting a bottom (Ba); a second separator (3b) disposed in the second electrolyte circuit (Circ(O2)) for separating oxygen gas (G_O2) from the electrolyte, the second separator (3b) comprising a second vessel (Vb) having a bottom (Bb); a balancing conduit (4) fluidly connecting the first separator (3a) and the second separator (3b), the balancing conduit (4) presenting a first end (4a) opening into the first vessel and a second end (4b) opening into the second vessel. The first end (4a) and the second end (4b) of the balancing conduit (4) are positioned, respectively, at a first level (7a) above the bottom (Ba) of the first vessel and at a second level (7b) above the bottom (Bb) of the second vessel to prevent the complete drainage of electrolyte from the first separator (3a) or from the second separator (3b) through the balancing conduit (4).
Resumen de: EP4821882A2
0001 Die Erfindung betrifft eine Ammoniak-Cracking-Anlage (200, 300), umfassend mindestens einen Cracking-Reaktor (202, 302) mit einem Fluideingang (204, 304) und einem Fluidausgang (206, 306), eingerichtet zum Generieren von Wasserstoff, basierend auf über den Fluideingang (204, 304) zugeführtem Ammoniak, mindestens einen Brennraum (212, 312), eingerichtet zum Bereitstellen von Wärme für den Cracking-Reaktor (202, 302) durch Verbrennen mindestens eines Brennstoffs, wobei die Ammoniak-Cracking-Anlage (200, 300) mindestens einen Elektroerhitzer (230, 330, 340, 388) umfasst, eingerichtet zum Bereitstellen von Wärme für den Cracking-Reaktor (202, 302) durch Umwandeln von elektrischen Energie in Wärme.
Resumen de: EP4822938A1
0001 A method for operating an electrolysis system (2) is provided. The method comprises an electrolyzer (6), a transformer (3), and a rectifier (4, 5), wherein the transformer (3) receives an electrical AC power from an electrical grid (104) and provides an AC power (AC) output to the rectifier (5), wherein the rectifier (5) converts the AC power output (AC) into a DC power input (P1) for the electrolyzer (6), the method further comprising i), identifying begin-of-life (BOL) parameters for an electrolyzer stack (6) based on a measurement, wherein a linear dependency between a DC voltage (Udc
Resumen de: JP2026165594A
【課題】生成された水素の純度が低下することを抑制する水蒸気電解システムを提供する。【解決手段】水蒸気から水素を生成する燃料極２１、空気が流通される空気極２２、および、燃料極２１と空気極２２との間に配置される固体電解質２３を備える電解セルスタック２と、水蒸気含有ガスを燃料極２１に供給する水蒸気供給ライン３と、水素を含む生成ガスを導出する水素導出ライン４と、空気極２２に空気を供給する空気供給ライン５と、空気極２２で生成された酸素を含む排出空気を排出する空気排出ライン６と、水素導出ライン４に配置されるとともに、燃料極２１で水素が生成される状態で、燃料極２１に面する空間内の圧力が空気極２２に面する空間内の圧力よりも大きくなるように調整する少なくとも１つの圧力調整弁７と、を備える水蒸気電解システム１ａ。【選択図】図１
Resumen de: WO2025119497A1
The invention relates to an electrochemical cell assembly (10) comprising an end plate (14, 18), a stack (20) comprising a plurality of cell units (22) that are stacked upon one another along a stacking direction (24), and an insulating plate (32) that is interposed between the end plate and the stack, wherein the cell units each comprise a periphery (52) and a central portion (54), wherein at least one cut-out (76) is provided in the insulating plate, said cut-out extending through the insulating plate along the stacking direction, and wherein at least one inset (78) is positioned in said cut-out such that, seen along the stacking direction, the inset and the central portion overlap each other, said inset being formed from a ceramic material.
Resumen de: WO2022138910A1
This hydrocarbon production method comprises a first production step of using carbon dioxide contained in a source material gas to produce carbon monoxide, and a second production step of using hydrogen and carbon monoxide contained in a source material gas to produce a hydrocarbon. Each of the source material gases contains at least one among carbon dioxide, carbon monoxide, and hydrogen, which are not from fossil fuel origin.
Resumen de: WO2025179506A1
The present disclosure relates to an electrode separator unit, a preparation method, an electrolytic cell unit, and a device for hydrogen production from a renewable energy. The electrode separator unit of the present disclosure comprises a membrane electrode assembly arranged in a center area of the electrode separator unit and comprises a sealing frame arranged around the outer peripheral wall of the membrane electrode assembly, wherein the inner peripheral wall of the sealing frame is fixedly connected to the outer peripheral wall of the membrane electrode assembly by means of material connection. In the solution of the present disclosure, by using the sealing frame and fixedly connecting the inner peripheral wall of the sealing frame to the outer peripheral wall of the membrane electrode assembly by means of material connection, no gaps generated by traditional packaging are present in the electrode separator unit. In addition, the contact area between the sealing frame and an adjacent functional component during fixed connection is increased, so that the clamping force for packaging an electrolytic cell device is more concentrated, and thus the sealing effect of the electrode separator unit is firmer, thereby further improving the hydrogen production efficiency. In addition, the present disclosure further reduces the number of parts, reduces the production cost, and improves the production efficiency.
Resumen de: EP4640623A1
0001 The invention relates to a process (100) for producing a hydrogen product (81) from an endothermic cracking reaction of an ammonia feed (4), comprising the following steps: - providing (S10) the ammonia feed to a cracking unit (210), - in said cracking unit, performing (S20) the endothermic cracking reaction of the ammonia feed, thereby producing a cracked gas (80) containing hydrogen (81), nitrogen (82) and unconverted ammonia (83), - in said cracking unit, combusting the separated unconverted ammonia in a combustion step (S40) to provide heat to the endothermic cracking reaction, - reducing (S50) a cracking temperature (Tc) of the endothermic cracking reaction, thus increasing the amount of unconverted ammonia in the cracked gas and to be combusted to provide heat to the endothermic cracking reaction, - controlling (S60) the flow of the ammonia feed directed to the cracking unit to produce a desired amount of hydrogen product (Psp).
Resumen de: JP2026164588A
0001 【要約】 【課題】水素化マグネシウムと塩化マグネシウム水溶液との反応でクロロマグネシウムプラズマを生産する方法において、水酸化マグネシウムが晶出しないようにする方法を提供する。 【解決手段】水素化マグネシウムと塩化マグネシウム水溶液との反応で水酸化マグネシウムが晶出しないように、塩化マグネシウム水溶液にクエン酸或いはグルコン酸と云ったハイドロオキシカルボン酸を使用した、塩化マグネシウム水溶液から製造したクロロマグネシウムプラズマを安全に増産する方法が提供される。 【選択図】なし
Resumen de: JP2026162522A
【課題】流動状態の安定化が可能であり、かつ小型化が可能な流体処理システム及びその設計方法を提供する。【解決手段】本発明によれば、流体処理システムであって、処理槽と、生成物ヘッダー配管と、生成物枝配管と、気液分離器とを備え、前記処理槽は、気体生成物を生成するように構成され、前記生成物枝配管は、前記処理槽から排出される前記気体生成物と、液体とを含む気液混相体を、前記生成物ヘッダー配管へ流通可能に構成され、前記生成物ヘッダー配管は、前記生成物枝配管から導入された気液混相体を、前記気液分離器へ流通させるように構成され、前記気液分離器は、前記生成物ヘッダー配管から導入された気液混相体を、気体成分と液体成分とに分離可能に構成され、前記生成物ヘッダー配管は、前記気液分離器に接続される第１端部を有し、少なくとも一部に前記気液分離器に向かって下る勾配が設けられる、流体処理システムが提供される。【選択図】図３
Resumen de: JP2026163585A
【課題】接合体の耐久性を向上させるろう材を提供すること。耐久性が向上した接合体を提供すること【解決手段】ろう材は、９５重量％以上９９．９重量％以下の銀（Ａｇ）と、０．１重量％以上５重量％以下のスズ（Ｓｎ）と、任意成分として０重量％以上３重量％以下のクロム（Ｃｒ）と、残部が不可避不純物と、からなる。スズ（Ｓｎ）の含有量は、１．０重量％以上であってもよい。上記ろう材は、大気ろう付において用いられてもよい。接合体は、金属材料およびセラミック材料のうちの１つを含む第１部材と、上記ろう材を用いて第１部材と接合される第２部材と、を含む。【選択図】図１
Resumen de: JP2026162874A
【課題】優れた触媒性能と触媒粒子の分散性を両立した触媒インクを作製することができるスラリーを提供すること。【解決手段】ここに開示される技術は、触媒粒子と、水溶性有機溶剤と、を含むアニオン交換膜型水電解装置用の触媒インクの作製に用いられるスラリーに関する。上記触媒粒子は、ニッケル粒子と、該ニッケル粒子の表面に付着した分散剤と、を備え、上記分散剤の水‐オクタノール分配係数は２．５以上８以下であり、上記触媒粒子の表面から深さ方向に、ＳｉＯ２換算でのスパッタ深さ３．３ｎｍまでＸ線光電子分光法による測定を行ったとき、上記スパッタ深さ３．３ｎｍにおける、Ｃ原子とＯ原子とＮｉ原子の合計に対するＣ原子濃度が２２ａｔ％以上５５ａｔ％以下である。【選択図】図１
Resumen de: JP2026164197A
【課題】浄水器の劣化をおさえながら、水電解用の水を冷却および浄化し、十分な量を水電解セルに供給すること。【解決手段】水電解装置は、水電解反応により水素および酸素を生成する水電解セルと、前記水電解セルで使用された水を貯蔵する水タンクと、前記水タンクに接続され前記水タンクから供給された水を冷却する熱交換器と、前記熱交換器に接続され前記熱交換器で冷却された水を浄化する浄水器と、前記水タンクから供給された水が前記水電解セルを介して前記水タンクに流れる第１水回路と、前記水タンクから供給された水が前記熱交換器および前記浄水器を介して前記水タンクに流れる第２水回路と、を備える。【選択図】図１
Nº publicación: AU2025258654A1 08/10/2026
Solicitante:
MITSUBISHI HEAVY INDUSTRIES LTD
MITSUBISHI HEAVY INDUSTRIES, LTD.
Resumen de: AU2025258654A1
This water electrolysis system uses an alkaline aqueous solution as an electrolytic solution, and is provided with: a cell stack to which the electrolytic solution is supplied; a storage unit in which the electrolytic solution is stored; an annular flow path that connects the storage unit and the cell stack; a pump unit that is provided on the annular flow path; a scale removal unit that is provided on the annular flow path and is capable of removing a scale contained in the electrolytic solution; and a scale component removal unit that is capable of removing scale components dissolved in the electrolytic solution at a saturation concentration or less.
BOPI
Sede Electrónica
