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914
results.
Updated on
03/04/2026 [07:05:00]
Results 100 to 125 of 914
Absstract of: CN121311631A
Composite proton exchange membranes are described. The composite proton exchange membrane comprises three layers, wherein the three layers comprise a proton exchange membrane layer, a continuous nonporous organic-inorganic composite coating layer and a continuous nonporous cross-linked polyelectrolyte multilayer coating. Catalyst coated membranes incorporating the composite proton exchange membranes and methods of making the composite proton exchange membranes are also described.
Absstract of: 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.
Absstract of: EP4711504A1
An ink 1a for water electrolysis electrode catalyst includes a catalyst 11, a support 15, an organic polymer 12, and a solvent 13 including water. The catalyst 11 includes at least one transition metal. The support 15 supports the catalyst 11 and includes a transition metal. The organic polymer 12 includes a water-insoluble polymer 12b and a nonionic water-soluble polymer 12a.
Absstract of: EP4711036A1
A system can include a catalytic reactor heated using magnetic induction to perform a magnetically induced decomposition reaction. The catalytic reactor can include a housing coupled with a feedstock source to receive a flow of an inorganic compound in gaseous form that can flow through the catalytic reactor. The housing can include a metal-based catalyst selected to decompose the inorganic compound into one or more reaction products within a predefined temperature range. The metal-based catalyst can include a heating agent that can increase in temperature when exposed to a magnetic field. A coil can be positioned around the housing to provide the magnetic field to heat the metal-based catalyst using magnetic induction to be within the predefined temperature range.
Absstract of: EP4711496A1
The electrochemical reaction device includes: an electrochemical reaction structure including a cathode, an anode, a diaphragm having a first surface on the cathode and a second surface on the anode, a cathode flow path, and an anode flow path; a first flow path through which a first fluid containing a reducible material to the cathode flow path flows; a second flow path through which a second fluid containing water to the anode flow path flows; a third flow path through which a third fluid containing the reduction product from the cathode flow path flows; and a fourth flow path through which a fourth fluid containing water and oxygen from the anode flow path flows. The diaphragm has concentration gradient in which a concentration of a chemical species decreases from the second surface to the first surface, the chemical species being configured to decompose, capture, or inactivate an active oxygen specie.
Absstract of: EP4711483A1
The present invention provides a heat-resistant alloy that is excellent in nitriding resistance and high-temperature creep rupture strength. The heat-resistant alloy of the present invention comprises, in mass %, C: 0.2% to 0.6%, Si: greater than 0% to 2.5% or less, Mn: greater than 0% to 2.0% or less, P: 0.03% or less, S: 0.03% or less, Ni: 33.0% to 50.0%, Cr: 24.0% to 50.0%, with the remainder being Fe and impurities, and optionally including: Nb: greater than 0% to 1.8% or less, Rare Earth Elements: greater than 0% to 0.5% or less, Ti: greater than 0% to 0.5% or less and/or Zr: greater than 0% to 0.5% or less, W: greater than 0% to 2.0% or less and/or Mo: greater than 0% to 0.5% or less.
Absstract of: GB2644070A
A system comprising an electrochemical half cell which operates to form a gas at a solid surface, which may be an electrode 54,55. The electrolyte liquid contains an additive which is a high molecular weight flexible linear polymer or viscoelastic linear surfactant. A flow path through the half cell 51L, 51R is configured to compel flow of liquid through the half cell 51L, 51R to make a succession of changes of direction. The electrolyte liquid is pumped through the half cell 51L, 51R at a rate which is sufficient that the additive and flow path configuration put the flowing electrolyte in a state of elastic turbulence which causes bubbles of gas to detach from the surface on which they are formed while they are still small freeing the surface for further reaction. The half cell 51L, 51R may be part of an electrolyser making hydrogen and oxygen from water.
Absstract of: EP4711499A1
An electrochemical half-cell operates to form a gas at a solid surface which may be an electrode. The electrolyte liquid contains an additive, which is a high molecular weight flexible linear polymer or a viscoelastic linear surfactant. A flow path through the half-cell is configured to compel flow of liquid through the half-cell to make a succession of changes of direction. The electrolyte liquid is pumped through the half-cell at rate which is sufficient that the additive and flow path configuration put the flowing electrolyte in a state of elastic turbulence which causes bubbles of gas to detach from the surface on which they are formed while they are still small, freeing the surface area for further reaction. The half-cell may be part of an electrolyser making hydrogen and oxygen from water.
Absstract of: EP4711495A1
The present invention relates to an electrolyser cell stack (100) for producing a hydrogen-based e-fuel, including an electrochemical system (10) with a plurality of electrolyser cells for an electrochemical reaction of water with electric power, an electrical system (20) for supplying electric power to the stacked electrolyser cells, and a compression system (30) with compression plates (33) for compressing at least the electrochemical system (10) in a stacking direction (D). According to the invention, the electrochemical system (10) is divided into at least two parallel stacked sub-stacks (11) of the electrolyser cells arranged within an area (A) of the compression plates (33), for a common compression of all sub-stacks (11) by the same compression system (30).
Absstract of: JP2026049668A
【課題】高純度の水素ガスを製造できる装置を提供する。高純度の水素ガスを製造できる方法を提供する。【解決手段】陰極と、前記陰極の一方側に対向して配されている陽極と、前記陰極と前記陽極の間に配されている固体電解質部材とを有する水素ガス製造装置であって、前記陰極の他方側に水素ガス回収通路が配されている水素ガス製造装置。【選択図】図３
Absstract of: JP2026049255A
【課題】電力コストを抑制しながら、酸素極の電位の低下を抑制できる水電解システムを提供する。【解決手段】水素極および酸素極を有する水電解システムは、水電解システムの停止時に、水素極に対する酸素極の電位差である電圧を測定する電圧測定部と、測定された電圧が予め定められた閾値まで低下した場合に、酸素極に酸素を含む気体を供給する酸素供給部と、を備える。【選択図】図１
Absstract of: WO2025028897A1
The present invention relates to a catalyst for decomposition of ammonia and a method for decomposition of ammonia. The catalyst comprises a carrier and a catalytically active component supported by the carrier, the catalytically active component comprising; i) ruthenium as a first metal; ii) a second metal; and iii) a third metal, wherein the second metal and the third metal are each independently at least one selected from the group consisting of lanthanum (La), cerium (Ce), aluminum (Al), and zirconium (Zr).
Absstract of: 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.
Absstract of: JP2026049210A
【課題】従来のＣｏ酸化物助触媒と比較して、水の酸化に対する活性が高い可視光応答光触媒用の助触媒、助触媒を含む光触媒材、光触媒材を含む分散液、分散液を含む組成物、分散液の乾燥物または組成物の硬化物である塗膜、および塗膜を有する基材を提供する。【解決手段】コバルトと、鉄およびニッケルの少なくとも１種と、を含む、可視光応答光触媒用の助触媒。イリジウムをドープしたチタン酸ストロンチウム粒子と、前記チタン酸ストロンチウム粒子に担持した助触媒と、を含む、光触媒材。【選択図】なし
Absstract of: CN121443774A
The present invention relates to a method of synthesizing a transition metal catalyst consisting of electrodeposition on a substrate electrode from an electrolyte solution comprising at least one transition metal precursor wherein the electrodeposition is carried out at a deposition current density of 500 to 2000 mA/cm2. The invention also relates to a transition metal catalyst characterized in that it is stable on a base electrode at a current density of at least 400 A/cm2 for at least 30 minutes.
Absstract of: CN120813538A
A process for catalytic cracking of ammonia, the process comprising: supplying an ammonia feed gas to one or more heated catalyst-containing reaction vessels disposed within an ammonia cracking reactor; and cracking ammonia in the ammonia feed gas in the one or more catalyst-containing reaction vessels to produce a hydrogen-containing stream wherein the ammonia feed gas is fed to the or each reaction vessel at a pressure of at least 10 bar wherein the or each reaction vessel is heated to a temperature of at least 500 DEG C, and wherein the or each of the reaction vessels has a wall comprising or consisting of an alloy selected to resist both nitriding and creep deformation without failure at said temperature and pressure over an operating period of at least 1000 hours, 5000 hours, 10,000 hours, 50,000 hours or 100,000 hours.
Absstract of: TW202513891A
The present disclosure relates to an electrode and a method for preparing the same. According to the present disclosure, an electrode for anion exchange membrane water electrolysis that can achieve improved electrochemical performance and also has excellent durability can be provided.
Absstract of: TW202508703A
The present disclosure relates to a method for preparing a nickel-based phosphide catalyst for oxygen evolution reaction in alkaline water electrolysis anode using sodium hypophosphite(NaH2PO2) substitution and pyrolysis.
Absstract of: WO2025078381A1
The various embodiments of the present invention disclose a water electrolyser using alkaline medium, comprising: a first end plate and a second end plate and a plurality of cells stacked in-between the first and the second end plate. Each cell comprises an anode cell frame and a cathode cell frame, each cell frame further comprises a central opening, at least one inlet channel transversing through the cell frame, and at least one inlet pathway grooved in the cell frame for connecting the inlet channel to the central opening. The inlet pathway comprises an inlet orifice <b>characterized by</b> a minimum cross-sectional area in the inlet pathway. The cross-sectional area of the inlet channel in the stack is greater than the sum of the cross-sectional area of the plurality of inlet orifices in the stack by at least a predetermined factor, the predetermined factor being larger than 1 and smaller than or equal to 4.
Absstract of: CN119024088A
The invention provides a test system and method for evaluating an electrode for a hydrogen production electrolytic bath in a laboratory, and the test system at least comprises an electrode clamp which is used for clamping an electrode to be evaluated; the heat exchanger is connected to the electrode clamp, and electrolyte is preheated through the heat exchanger and then input into the electrode clamp; and a heating unit connected to the electrode holder to heat the electrode holder. According to the test system and method for the electrode for the hydrogen production electrolytic cell in the laboratory, the temperature of the electrode clamp and the electrolyte in the electrode clamp can be accurately controlled, the accuracy of the test result is improved, the energy consumption of the test system can be reduced, and the test efficiency is improved.
Absstract of: EP4711496A1
The electrochemical reaction device includes: an electrochemical reaction structure including a cathode, an anode, a diaphragm having a first surface on the cathode and a second surface on the anode, a cathode flow path, and an anode flow path; a first flow path through which a first fluid containing a reducible material to the cathode flow path flows; a second flow path through which a second fluid containing water to the anode flow path flows; a third flow path through which a third fluid containing the reduction product from the cathode flow path flows; and a fourth flow path through which a fourth fluid containing water and oxygen from the anode flow path flows. The diaphragm has concentration gradient in which a concentration of a chemical species decreases from the second surface to the first surface, the chemical species being configured to decompose, capture, or inactivate an active oxygen specie.
Absstract of: WO2025053532A1
The present invention relates to a membrane electrode assembly manufacturing method comprising the steps of: (S1) forming a first catalyst layer on the other surface of a separation membrane having a first carrier film attached to one surface thereof; (S2) attaching a second carrier film to the other surface of the separation membrane on which the first catalyst layer is formed; (S3) removing the first carrier film attached to one surface of the separation membrane; and (S4) forming a second catalyst layer on one surface of the separation membrane from which the first carrier film is removed, wherein the second carrier film includes a first area corresponding to the first catalyst layer on the other surface of the separation membrane, and a second area, which is the remaining area that excludes the first area, and the second area of the second carrier film is coated with an adhesive on a surface facing the other surface of the separation membrane on which the first catalyst layer is formed.
Absstract of: 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.
Absstract of: US2025263322A1
Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Nº publicación: CN121653732A 13/03/2026
Applicant:
石河子大学
Absstract of: CN121653732A
本发明属于电催化材料技术领域，公开了一种锡掺杂非晶态羟基氧化镍铁电催化剂及其制备方法与应用。本发明提供了合成锡掺杂非晶态羟基氧化镍铁电催化剂的方法，摒弃贵金属元素，以铁、锡等廉价金属为主要原料，结合低温水热法与快速浸泡工艺，显著降低能耗与设备投入，避免传统高温煅烧或复杂溶剂热步骤，工艺流程可控性强，适合规模化生产。本发明不仅制备出了电催化活性高、稳定性优异的锡掺杂非晶态羟基氧化镍铁电催化剂，无高污染副产物，且泡沫镍基底可直接作为电极使用，省去后续负载工序，大幅缩短制备周期，具备良好的工业推广前景。
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