C25B11/091

Method for electrolysis of water

A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.

Method for electrolysis of water

A method for electrolysis of water and a method for preparing a catalyst for electrolysis of water are provided. The method for electrolysis of water includes using a high entropy alloy as a catalyst. Further, the method for preparing a catalyst for electrolysis of water includes the steps of placing a substrate in an aqueous electrolyte containing a high entropy alloy precursor and performing an electroplating process on the substrate to form a high entropy alloy catalyst on the substrate.

Sulfur-doped carbonaceous porous materials
11612875 · 2023-03-28 · ·

The present invention relates to novel sulfur-doped carbonaceous porous materials. The present invention also relates to processes for the preparation of these materials and to the use of these materials in applications such as gas adsorption, mercury and gold capture, gas storage and as catalysts or catalyst supports.

Sulfur-doped carbonaceous porous materials
11612875 · 2023-03-28 · ·

The present invention relates to novel sulfur-doped carbonaceous porous materials. The present invention also relates to processes for the preparation of these materials and to the use of these materials in applications such as gas adsorption, mercury and gold capture, gas storage and as catalysts or catalyst supports.

HIGH-EFFICIENCY PHOTOELECTROCHEMICAL ELECTRODE AS HYDROGEN GENERATOR COMPOSED OF METAL OXIDE AND TRANSITION METAL DICHALCOGENIDE BOND ON THREE-DIMENSIONAL CARBON TEXTILE AND METHOD OF MANUFACTURING SAME

Disclosed are a photoelectrochemical electrode and a method of manufacturing the same, which enable mass production at low cost. The photoelectrochemical electrode manufactured by forming a transition metal dichalcogenide layer on all or part of the surface of a porous substrate includes a porous substrate and a metal dichalcogenide layer on all or part of the surface of the porous substrate, thus improving photoelectrode characteristics and photocatalytic efficiency.

HIGH-EFFICIENCY PHOTOELECTROCHEMICAL ELECTRODE AS HYDROGEN GENERATOR COMPOSED OF METAL OXIDE AND TRANSITION METAL DICHALCOGENIDE BOND ON THREE-DIMENSIONAL CARBON TEXTILE AND METHOD OF MANUFACTURING SAME

Disclosed are a photoelectrochemical electrode and a method of manufacturing the same, which enable mass production at low cost. The photoelectrochemical electrode manufactured by forming a transition metal dichalcogenide layer on all or part of the surface of a porous substrate includes a porous substrate and a metal dichalcogenide layer on all or part of the surface of the porous substrate, thus improving photoelectrode characteristics and photocatalytic efficiency.

Hydrogen peroxide selective catalysts, methods of using thereof, and methods of making thereof
11484865 · 2022-11-01 · ·

Catalysts for selective production of hydrogen peroxide and methods of making and using thereof have been developed. The catalysts include an alloyed or doped metal oxide which permits tuning of the catalytic properties of the catalysts for selection of a desired pathway to a product, such as hydrogen peroxide. The catalysts may be incorporated into electrochemical or photochemical devices.

Non-Noble Metal-Nitride Based Electrocatalysts for High-Performance Seawater Splitting
20220349066 · 2022-11-03 · ·

A stable three-dimensional core-shell metal-nitride catalyst consisting of NiFeN nanoparticles decorated on NiMoN nanorods supported on porous Ni foam (NiMoN@NiFeN), which functions as an oxygen evolution reaction catalyst for alkaline seawater electrolysis. It yields large current densities of 500 and 1000 mA cm.sup.−2 at overpotentials of 369 and 398 mV, respectively, in alkaline natural seawater at 25° C. Combined with an efficient hydrogen evolution reaction catalyst of NiMoN nanorods, current densities of 500 and 1000 mA cm.sup.−2 at low voltages of 1.608 and 1.709 V, respectively are achieved for overall alkaline seawater splitting at 60° C.

METHOD FOR PRODUCING 2,5-FURANDICARBOXYLIC ACID (FDCA) BY ELECTROCATALYTIC OXIDATION OF 5-HYDROXYMETHYLFURFURAL (HMF) AND SIMULTANEOUSLY GENERATING HYDROGEN BY WATER ELECTROLYSIS

A method for producing 2,5-furandicarboxylic acid (FDCA) by electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) is provided, where the catalytic oxidation is conducted using an electrolytic cell; the electrolytic cell is a three-electrode electrolytic cell or a two-electrode electrolytic cell; an anode used is a monolithic electrode; the monolithic electrode includes a carrier and a catalytically active substance loaded on the carrier; and the catalytically active substance includes cobaltosic oxide particle-encapsulated nitrogen-doped carbon nanowires. The method has high activity and high selectivity, and the anodic catalyst is highly tolerant to HMF.

METHOD FOR PRODUCING 2,5-FURANDICARBOXYLIC ACID (FDCA) BY ELECTROCATALYTIC OXIDATION OF 5-HYDROXYMETHYLFURFURAL (HMF) AND SIMULTANEOUSLY GENERATING HYDROGEN BY WATER ELECTROLYSIS

A method for producing 2,5-furandicarboxylic acid (FDCA) by electrocatalytic oxidation of 5-hydroxymethylfurfural (HMF) is provided, where the catalytic oxidation is conducted using an electrolytic cell; the electrolytic cell is a three-electrode electrolytic cell or a two-electrode electrolytic cell; an anode used is a monolithic electrode; the monolithic electrode includes a carrier and a catalytically active substance loaded on the carrier; and the catalytically active substance includes cobaltosic oxide particle-encapsulated nitrogen-doped carbon nanowires. The method has high activity and high selectivity, and the anodic catalyst is highly tolerant to HMF.