C25B11/081

METHOD FOR PREPARING A GALLIUM-DOPED ZINC OXIDE ELECTRODE DECORATED WITH DENSELY GATHERED PALLADIUM NANOPARTICLES

A method for manufacturing a palladium coated doped metal oxide conducting electrode including immersing a metal oxide conducting electrode into an aqueous solution having a palladium precursor salt to form the metal oxide conducting electrode having at least one surface coated with palladium precursor. To form a layer of palladium nanoparticles on the metal oxide conducting electrode the palladium precursor on the metal oxide conducting is reduced with a borohydride compound. The palladium nanoparticles on the metal oxide conducting electrode have an average diameter of 8 nm to 22 nm and are present on the surface of the metal oxide conducting electrode at a density from 1.5×10.sup.−3 Pd.Math.nm.sup.−2 to 3.5×10.sup.−3 Pd.Math.nm.sup.−2.

CATALYST FOR SYNTHESIZING ORGANIC CARBONATE AND METHOD OF PRODUCING THEREOF, ELECTRODE FOR SYNTHESIZING ORGANIC CARBONATE, CELL FOR SYNTHESIZING ORGANIC CARBONATE, METHOD OF PRODUCING ORGANIC CARBONATE, AND SYNTHESIS SYSTEM
20220033979 · 2022-02-03 · ·

An organic carbonate synthesis catalyst for electrochemically synthesizing an organic carbonate from carbon monoxide, comprises: an active particle containing a metal element; and a porous carbon supporting the active particle.

IR-oxohydroxides for electrochemical oxidation of water and a method for the preparation thereof

The present invention relates to a catalytically active material for the electrochemical oxidation of water, wherein the catalytically active material comprises an amorphous Ir-oxohydroxide, wherein the catalytically active material has a specific surface area (S.sub.BET) of ≥50 m.sup.2.g.sup.−1; an electrode coated with the catalytically active material; a proton exchange membrane (PEM) based electrolyzer comprising the electrode; the use of the catalytically active material, the electrode or the electrolyzer the electrochemical oxidation of water; and a process for preparing the catalytically active material comprising the microwave-assisted thermal treatment of a basic solution of an Ir(III) or Ir(IV) complex.

IR-oxohydroxides for electrochemical oxidation of water and a method for the preparation thereof

The present invention relates to a catalytically active material for the electrochemical oxidation of water, wherein the catalytically active material comprises an amorphous Ir-oxohydroxide, wherein the catalytically active material has a specific surface area (S.sub.BET) of ≥50 m.sup.2.g.sup.−1; an electrode coated with the catalytically active material; a proton exchange membrane (PEM) based electrolyzer comprising the electrode; the use of the catalytically active material, the electrode or the electrolyzer the electrochemical oxidation of water; and a process for preparing the catalytically active material comprising the microwave-assisted thermal treatment of a basic solution of an Ir(III) or Ir(IV) complex.

CATHODE MATERIAL

A cathode material comprising a titanium sheet and platinum, the platinum being in the form of nanoparticles deposited on at least one side of the titanium sheet, to form a decoration thereon, and processes for the preparation thereof.

Integrated photo-electrochemical device for concentrated irradiation

The present invention relates to a photo-electrochemical device for production of a gas, liquid or solid using concentrated electromagnetic irradiation. The device comprises a photovoltaic component configured to generate charge carriers from the concentrated electromagnetic irradiation; and an electrochemical component configured to carry out electrolysis of a reactant. The photovoltaic component contacts the electrochemical component at a solid interface to form an integrated photo-electrochemical device; and further includes at least one reactant channel or a plurality of reactant channels extending between the photovoltaic component and the electrochemical component to transfer heat and the reactant from the photovoltaic component to the electrochemical component. The integrated photo-electrochemical device and auxiliary devices (such as concentrator, flow controllers) build a system which can flexibly react to changes in operating condition and guarantee best performance.

OXYGEN-GENERATING ANODE

An anode for oxygen evolution that operates at a small overpotential and in a stable manner, and can be used favorably in an organic chemical hydride electrolytic synthesis apparatus.

An anode 10 for oxygen evolution that evolves oxygen in a sulfuric acid aqueous solution containing a substance to be hydrogenated dissolved at a concentration higher than 1 mg/L, wherein an anode substrate 10a is composed of a valve metal, and an anode catalyst layer 10b containing at least one oxide, nitride or carbide of iridium, and at least one oxide, nitride or carbide of at least one metal selected from the group consisting of elements belonging to groups 4, 5 and 13 of the periodic table is formed on the surface of the anode substrate 10a.

A-SITE HIGH-ENTROPY NANOMETER METAL OXIDE WITH HIGH CONDUCTIVITY, AND PREPARATION METHOD THEREOF
20220234908 · 2022-07-28 ·

The present disclosure relates to the field of new materials, and aims at providing an A-site high-entropy nanometer metal oxide with high conductivity, and a preparation method thereof. The metal oxide has molecular formula of Gd.sub.0.4Er.sub.0.3La.sub.0.4Nd.sub.0.5Y.sub.0.4)(Zr.sub.0.7, Sn.sub.0.8, V.sub.0.5)O.sub.7 and is a powder, and has microstructure of the metal oxide as a square namometer sheet with a side length of 4-12 nm and a thickness of 1-3 nm. Compared with an existing high-entropy oxide, the product in the present disclosure has high conductivity, and can be well applied to a conductive alloy, an electrical contact composite material, a conductive composite material, a multifunctional bio-based composite material, a conductive/antistatic composite coating and the like.

A-SITE HIGH-ENTROPY NANOMETER METAL OXIDE WITH HIGH CONDUCTIVITY, AND PREPARATION METHOD THEREOF
20220234908 · 2022-07-28 ·

The present disclosure relates to the field of new materials, and aims at providing an A-site high-entropy nanometer metal oxide with high conductivity, and a preparation method thereof. The metal oxide has molecular formula of Gd.sub.0.4Er.sub.0.3La.sub.0.4Nd.sub.0.5Y.sub.0.4)(Zr.sub.0.7, Sn.sub.0.8, V.sub.0.5)O.sub.7 and is a powder, and has microstructure of the metal oxide as a square namometer sheet with a side length of 4-12 nm and a thickness of 1-3 nm. Compared with an existing high-entropy oxide, the product in the present disclosure has high conductivity, and can be well applied to a conductive alloy, an electrical contact composite material, a conductive composite material, a multifunctional bio-based composite material, a conductive/antistatic composite coating and the like.

ELECTRODE FOR ELECTROLYTIC EVOLUTION OF GAS
20210404076 · 2021-12-30 ·

An electrode for evolution of gas in electrolytic processes having a substrate of valve metal and a catalytic coating having two layers. A first layer having oxides of valve metal, ruthenium and iridium and a second layer having one or more metals chosen from amongst elements of the platinum group.