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709
resultados
Última actualización
19/04/2026 [07:00:00]
Resultados 350 a 375 de 709
Resumen de: WO2026054606A1
The present invention relates to a porous water electrolysis separation membrane using a boron nitride compound. More specifically, the porous water electrolysis separation membrane comprises a porous polymer support and a boron nitride compound inserted into the inside of the porous polymer support or formed on a surface thereof. The water electrolysis separation membrane according to the present invention as described above exhibits excellent heat resistance and stability and has smaller pore sizes, thereby reducing the permeability of hydrogen and oxygen and achieving high hydrogen gas purity. In addition, with a reduced thickness, the water electrolysis separation membrane exhibits low sheet resistance and thus increases current density to improve electrolytic cell efficiency.
Resumen de: US20260070826A1
A produced water stream in a GOSP is pretreated to remove total suspended solids, emulsified oil, total organic carbon, chemical organics and inorganics, and biodegradable matter. The pretreated produced water stream is further processed to remove hydrogen sulfide gas, which is split in an electrolysis cell to produce hydrogen, sulfur, and water. Following this, bromine gas is removed. The pretreated produced water stream, after the removal of hydrogen sulfide and bromine gas, is further treated using CO2 to produce several minerals. The pretreated produced water stream, after mineral production, is desalinated to produce fresh water and a reject stream. Several valuable chemicals are produced from the reject stream. This process recovers valuable minerals and chemicals from a produced water stream in a GOSP.
Resumen de: WO2026051918A1
The aim of the present invention is to provide an alkaline water electrolysis membrane having good gas barrier property, which can maintain hydrophilicity during operation in long-term electrolysis, inhibit the reduction in ion permeability caused by bubble attachment, and improve the hydrogen production efficiency during the long-term operation of an alkaline electrolytic cell. The alkaline water electrolysis membrane is an electrolysis membrane capable of inhibiting the reduction of hydrophilicity thereof during long-term use and achieving a high production yield of hydrogen. The electrolysis membrane comprises: a porous support, and a porous resin containing a surfactant.
Resumen de: AU2024328562A1
A reaction medium according to the present invention is characterized by having a chemical structure in which Mn is introduced into a composite iron oxide. It is preferable that this reaction medium is used in a method for producing hydrogen by thermally decomposing water. It is preferable that this reaction medium contains a composite metal oxide of Fe, Co, Ni, and Mn, contains a composite metal oxide of Fe, Ni, Mg, and Mn, or contains a composite metal oxide of Fe, Co, Mg, and Mn. A treatment method according to the present invention includes: a first step for thermally reducing the reaction medium; and a second step for bringing the thermally reduced reaction medium into contact with an object to be treated, thereby oxidizing the reaction medium and decomposing the object to be treated.
Resumen de: WO2026050788A1
The invention relates to a device (1) for electrochemically compressing and/or purifying hydrogen, the device comprising a first cell stack (2) having a first electrochemical cell (3) with a first half-cell (4) and a second half-cell (5), wherein the first half-cell (4) and the second half-cell (5) are separated from one another by a first membrane (6), wherein the first membrane (6) comprises a semipermeable first membrane layer (9a) adjacent to the first half-cell (4), a semipermeable second membrane layer (10a) adjacent to the second half-cell (5), and a porous transport layer (11a), disposed in a sandwich-like manner between the first membrane layer (9a) and the second membrane layer (10a), for transporting water by capillary action, wherein the porous transport layer (11) is fluidically coupled to a water reservoir by means of a transport structure (12) such that the first membrane layer (9a) can be humidified with water from the water reservoir.
Resumen de: WO2026050789A1
The invention relates to a device (1) and a method for electrochemically compressing and/or purifying hydrogen, the device (1) comprising a first half-cell (2), a second half-cell (3), and a membrane (5) separating the first half-cell (2) and the second half-cell (3), wherein the membrane (5) comprises a semipermeable first membrane layer (10) adjacent to the first half-cell (2) and a porous transport layer (11) for transporting water by capillary action, wherein the porous transport layer (11) is fluidically coupled to a water reservoir (14) by means of a transport structure (12) such that the first membrane layer (10) can be humidified with water from the water reservoir (14).
Resumen de: WO2026054154A1
According to one embodiment, a vehicle hydrogen generator having a hydrogen generation amount adjustment device may comprise a PEM water electrolysis stack for generating hydrogen by electrolyzing water, wherein the PEM water electrolysis stack includes: a water tank for storing water for generating hydrogen through electrolysis; an electrolysis cell for generating hydrogen by electrolyzing the water provided from the water tank; a water separator which removes moisture contained in the hydrogen provided from the electrolysis cell and which provides the removed moisture to the water tank; and a control unit electrically connected to the electrolysis cell and the water tank.
Resumen de: CN121368648A
The present invention relates to an electrolysis system comprising: a tank adapted to contain water or an aqueous solution; the electrolysis array comprises a conductive plate; the temperature-resistant cathode is close to but separated from the cathode end of the electrolysis array; a cell anode proximate but spaced apart from opposing anode ends of the electrolysis array; wherein a cathode terminal and an anode terminal of the electrolysis array are electrically connected to a cathode terminal and an anode terminal of a first power source adapted to provide direct current (DC) power thereto, respectively; the temperature-resistant cathode and the tank anode are electrically connected to a negative terminal and a positive terminal of a second power source adapted to provide DC power thereto, respectively; and at least the temperature resistant cathode is adapted to generate a plasma arc in the water or aqueous solution between the end of the temperature resistant cathode and the closest plate in the electrolysis array.
Resumen de: US20260070783A1
The disclosure relates to systems and methods for the production of hydrogen (H2) from ammonia (NH3) in a membrane reactor that include using ammonia as a sweep gas. Ammonia is converted to hydrogen and nitrogen (N2), and the hydrogen is separated from the nitrogen and unreacted ammonia by passing the hydrogen through a hydrogen-permeable membrane while using ammonia as a sweep gas. The ammonia sweep gas can be separated from the permeated hydrogen and continuously recycled.
Resumen de: JP2026044182A
【課題】親水性無機粒子の充填性に優れる水電解用隔膜支持体を提供すること。そして、当該水電解用隔膜支持体の提供を通し、水電解の過程で発生したガスを透過しづらくできるという効果や、イオン透過性を向上できるという効果が、効率よく向上している水電解用隔膜を提供すること。【解決手段】本発明の水電解用隔膜支持体は、構成繊維にポリフェニレンサルファイド繊維を含む不織布を備える。そして、本発明にかかる不織布は、繊維の絡合のみにより構成繊維同士が結合している。そのため、本発明にかかる水電解用隔膜支持体が備える不織布は、熱融着するため構成繊維が変形している箇所や、バインダなどにより構成繊維同士が結合している箇所を有していない。その結果、当該不織布は繊維間隙が意図せず閉塞していないものであり、本発明によって親水性無機粒子の充填性に優れる水電解用隔膜支持体を提供できる。【選択図】なし
Resumen de: JP2026043106A
【課題】セルスタックの集積率を向上させるとともに高温環境の下でセルスタックに圧縮荷重を安定的に負荷させる水素製造技術を提供する。【解決手段】水素製造装置１０は、加熱炉１２の内部の架台１５に固定されるガス流路１１と、ガス流路１１を上下方向から挟み込むように集積される複数のセルスタック２１（２１ａ，２１ｂ，２１ｃ，２１ｄ）と、最下部に位置するセルスタック２１ｄの下部プレート２３に下先端が固定されかつその上部プレート２２を貫通するとともにその他のセルスタック２１（２１ａ，２１ｂ，２１ｃ）の下部プレート２３及び上部プレート２２を貫通する複数のタイロッド２５と、各々のタイロッド２５の上先端を結束する結束プレート２６と、結束プレート２６に設けられ最上部に位置するセルスタック２１の上部プレート２２を付勢する付勢手段３０と、を備える。【選択図】図３
Resumen de: JP2026043786A
【課題】太陽光パネルから安定的に電流を取り出して水素を製造することが可能な水素製造システム、水素製造方法、及びプログラムを提供する。【解決手段】太陽光パネル１の出力特性における最大電力点を推定する推定部２１と、最大電力点を基準として、ＭＰＰＴ制御の動作範囲を設定する設定部２２と、太陽光パネル１の出力電力を取得して、電圧を出力するＤＣ／ＤＣ変換器２４と、ＤＣ／ＤＣ変換器の出力電圧にて水を電気分解する電気分解セル３と、太陽光パネル１の動作点が最大電力点に近づくように、ＤＣ／ＤＣ変換器２４の出力電圧を制御する制御部２３を備える。制御部２３は、動作点が動作範囲内であるときには、第１の変動電圧ΔＶでＤＣ／ＤＣ変換器２４の出力電圧を制御し、動作点が動作範囲外であるときには、第２の変動電圧ΔＶ/ｎでＤＣ／ＤＣ変換器２４の出力電圧を制御する。【選択図】 図１
Resumen de: JP2026043878A
【課題】非貴金属系でアンモニア分解活性を示すアンモニア分解触媒、その製造方法、アンモニアの分解方法、水素製造方法、又、水素製造装置を提供する。【解決手段】アンモニア分解触媒は、複合酸化物、これに担持された非貴金属粒子を含む。複合酸化物は、ＡｘＭｇ１－ｘＯｙ（但し、Ａはアルカリ金属元素及びＭｇを除くアルカリ土類金属元素からなる群より選択される少なくとも１種の元素であるアルカリ系金属元素、０＜ｘ≦０．1、ｙは複合酸化物が電気的に中性を保つのに必要な酸素原子の数）の組成で表される。非貴金属粒子の非貴金属は、Ｃｏ、Ｎｉ、Ｆｅ、又は、これらの合金である。アンモニア分解触媒の製造方法は、準備した上記複合酸化物に上記非貴金属を含む非貴金属前駆体を含浸させて得た含浸体を、不活性ガス雰囲気下にて熱処理し、得られた熱処理物を、水素を含む還元雰囲気下、還元温度３００℃～８００℃で水素還元処理する。【選択図】図４
Resumen de: WO2026053829A1
Provided is a device capable of producing high purity hydrogen gas. Provided is a method capable of producing high purity hydrogen gas. This hydrogen gas production device comprises a cathode, an anode disposed facing one side of the cathode, and a solid electrolyte member disposed between the cathode and the anode, the hydrogen gas production device being provided with a hydrogen gas recovery passage disposed on the other side of the cathode.
Resumen de: WO2026050800A1
The invention provides a membrane electrode assembly for an electrochemical hydrogen compressor, the membrane electrode assembly comprising a proton exchange membrane arranged between an anode and a cathode, wherein the anode comprises an electrocatalyst for dihydrogen oxidation and the cathode comprises an electrocatalyst for proton reduction, and wherein the proton exchange membrane comprises a semicrystalline polymeric matrix comprising a hydrophilic polymer and particles of an inorganic metal compound dispersed in the semicrystalline polymeric matrix.
Resumen de: WO2026052984A1
The present invention relates to a multipurpose generator for producing gaseous oxygen and hydrogen, water and electricity, comprising a spherical reactor with two external branches of operatively connected components, namely a warm air flow branch and a cold air flow branch. The warm air flow branch contains: a water inlet connected to a vaporiser associated with a water vapour fan device having a non-return valve that channels said flow to a water vapour intake pipe connected to a diffuser. The cold air flow branch comprises: a cold air mass inlet connected to a cold air circulation intake pipe associated with a cooler in turn coupled to a cold air fan having a non-return valve that channels said flow to a pipe connected to a fluid inlet diffuser distributing the cold air mass to the reactor. The invention also comprises two radially opposite electrical connectors.
Resumen de: DE102024208694A1
Elektrolysesystem zur elektrolytischen Spaltung von Wasser, mit einer Elektrolysezelle (1), die zwei Reaktionsräume (2; 3) aufweist, die durch eine semipermeable Barriere getrennt sind, wobei ein Reaktionsraum (2; 3) mit einer Ablaufleitung (9) verbunden ist, durch die Wasser und Gas aus dem Reaktionsraum (2; 3) abgeführt werden. Von der Ablaufleitung (9) zweigt ein Steigrohr 20 ab, in dem ein Gassensor (17) angeordnet ist, der die Konzentration eines Gases im Steigrohr (20) detektiert.
Resumen de: US20260074250A1
A corrosion-resistant system, a carbon-free power generation system, and a fuel cell system are provided. The corrosion-resistant system includes an ammonia supply unit; a first conduit connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first conduit; and a second conduit connected to the chamber, wherein an operating temperature of the chamber is 410° C. or lower, the first conduit and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second conduit comprises a nickel-based alloy (NT) satisfying Equation 1: T≤15 μm.
Resumen de: US20260070782A1
Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes an ammonia supply unit; an ammonia demand unit; a connection line that connects the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe controlled to an average temperature of 410° C. or lower and a second pipe controlled to an average temperature of greater than 410° C., and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below.T≤15µmEquation1
Resumen de: WO2026053545A1
This water splitting device produces hydrogen through irradiation with light and comprises: an electrolytic cell filled with an electrolyte solution and a water splitting cell immersed in the electrolyte solution. The water splitting cell has: a laminate in which an anode electrode, a hole transport layer, a perovskite battery layer, an electron transport layer, and a cathode electrode are stacked in this order; and an electrically insulating protective material that covers the outer periphery of the laminate. Two or more perovskite battery cells are connected in series in the perovskite battery layer.
Resumen de: US20260070784A1
A hydrogen generating device may include a water supply device for cartridges; a first hydrogen supply valve provided in a first hydrogen supply passage through which hydrogen gas is supplied from the first cartridge to a buffer tank; a second hydrogen supply valve provided in a second hydrogen supply passage through which hydrogen gas is supplied from the second cartridge to the buffer tank; and a main hydrogen supply passage for supplying hydrogen gas from the buffer tank to outside. For switching a hydrogen supply source from the first cartridge to the second cartridge, a controller may perform: a first process to stop supplying water to the first cartridge and supply water to the second cartridge with the second hydrogen supply valve closed, and a second process to open the second hydrogen supply valve to supply hydrogen gas from the second cartridge to the buffer tank.
Resumen de: WO2026054416A1
A method for producing a catalyst for ammonia decomposition according to an embodiment of the present invention comprises the steps of: preparing an aqueous metal precursor solution and a porous support; and forming a metal-support composite by supporting a metal of the aqueous metal precursor solution on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst for ammonia decomposition. A catalyst for ammonia decomposition according to another embodiment of the present invention comprises: a porous support; and a metal supported on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst.
Resumen de: WO2026054554A1
The present invention relates to an electrode for water electrolysis and a method for manufacturing same, the electrode comprising a metal substrate and a catalyst layer formed on at least one surface of the metal substrate, wherein the catalyst layer includes CoxFeyO4 (0≤x≤4, 0≤y≤3) and satisfies formula 1.
Resumen de: US20260070031A1
An ammonia decomposition reactor, a hydrogen production apparatus and a method for producing hydrogen are provided. The ammonia decomposition reactor may include a first chamber and a second chamber, wherein an operating temperature of the first chamber is 410° C. or lower, the first chamber includes at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel, and a nickel-based alloy, and the second chamber includes a nickel-based alloy (NT) satisfying Equation 1 below.T≤15μmEquation1
Nº publicación: JP2026043978A 12/03/2026
Solicitante:
国立大学法人京都大学
Resumen de: JP2026043978A
【課題】水素生成光触媒を用いて、可視光照射下においても水を効率的に水素と酸素に分解できる方法を提供すること。【解決手段】本発明の光による水分解方法は、一種類の光触媒を含み、酸化還元能を有する化合物が溶解した水溶液に対して光を照射する方法である。【選択図】図３
BOPI
Sede Electrónica
