A method of manufacturing a catalyst material includes the steps of: providing a body having an open-porous foam structure and comprising at least a first metal or alloy; providing particles, each of which particles comprising at least a second metal or alloy; distributing the particles on the body; forming a structural connection between each of at least a subset of the particles and the body; and forming an oxide film on at least the subset of the particles and the body, wherein the oxide film has a catalytically active surface.

The present disclosure discloses a core-shell structured NiSe.sub.2@NC electrocatalytic material having a general formula of NiSe.sub.2@NC. The present disclosure also provides a preparation method and use of the catalytic material. In the present disclosure, hydrazine hydrate is used as a reducing agent, selenium powders are used as a source of selenium, and a metal-organic framework (MOF) is used as a precursor. Selective selenization of mixed-linker MOFs based on mixed ligands is carried out through a hydrothermal reaction. Then, a series of adjustable N-doped carbon-coated NiSe.sub.2 nano-octahedrons are prepared through a one-step calcination reaction. By adjusting the types of mixed ligands in the MOF, carbon-coated nickel diselenide composites doped with different pyridinic-N contents can be obtained. Corresponding electrochemical tests prove that, the electrocatalytic activity has a strong correlation with the content of pyridinic-N.

The invention relates to a catalyst which comprises a carrier substrate, palladium, and a zeolite, the largest channels of which are formed by 10 tetradrically coordinated atoms; to the use of said catalyst as a passive nitrogen oxide adsorber, an exhaust gas system which contains said catalyst and an SCR catalyst, and to a method for purifying the exhaust gas of motor vehicles using said exhaust gas system.

A method is provided for creating a porous coating on a surface of a substrate by electrodeposition. The substrate is a part of the cathode. An anode is also provided. A coating is deposited or disposed on the surface by applying a voltage that creates a plurality of porous structures on the surface to be coated. Continuing to apply a voltage creates additional porosity and causes portions of the attached porous structures to detach. A covering layer is created by applying a voltage that creates a thin layer that covers the attached porous structures and the detached portions which binds the porous structures and detached portions together.

The present disclosure provides for and includes improved devices and methods for the production of Purified Hydrogen Peroxide Gas (PHPG) that is substantially non-hydrated and substantially free of ozone.

A method of preparing a mesoporous carbon composite material having a mesoporous carbon phase and preformed metal nanoparticles located within the mesoporous carbon phase. The present invention also relates to a mesoporous carbon composite material and to a substrate having a film of such mesoporous carbon composite material.

The invention provides a catalyst article including a substrate underlying a multi-layer catalyst composition and a multi-layer catalyst composition comprising a first layer and a second layer, the first layer positioned between the substrate and the second layer, wherein the first layer comprises a first porous refractory oxide material impregnated with at least one base metal component and the second layer comprises a second porous refractory oxide material impregnated with at least one platinum group metal. Either the second porous refractory oxide material is a porous refractory oxide material other than alumina or the catalyst composition further comprises an intermediate layer between the first layer and the second layer, the intermediate layer comprising a refractory oxide material other than alumina. Methods of making and using the catalyst article are also provided, as well as emission treatment systems comprising the catalyst article.

A catalytic reactor for industrial-scale hydrogenation processes is described. The catalytic reactor contains a catalytic fixed bed that comprises a support structure and a catalyst. During operation of the reaction in the catalytic reactor, the fixed bed is filled with reaction medium to at least 85% by volume. A very high contact area of the catalyst with the reaction medium is at the same time provided. The support structure is formed from material webs having a thickness of 5 to 25 μm, with a crosslinking density of at least 3 mm.sup.−3 present. The support structure consists of metals selected from elements of groups 8, 6 and 11 of the periodic table of the elements and mixtures thereof.

Provided are a method for producing carbonate esters, and a catalytic structure for producing carbonate esters, whereby solid catalyst powder formation and detachment are suppressed and superior carbonate ester reaction efficiency is yielded when a catalytic structure constituted by a sufficient quantity of a cerium-oxide-containing solid catalyst supported on a substrate is used. The method for producing carbonate esters includes reacting a monohydric alcohol and carbon dioxide in the presence of a catalytic structure and a hydrating agent. The catalytic structure includes a substrate and a catalytic layer that is formed on at least a portion of the surface of the substrate and contains a solid catalyst and an inorganic binder. The solid catalyst contains cerium oxide. The supported quantity of the solid catalyst is 15 g/m.sup.2 to 200 g/m.sup.2, inclusive. The inorganic binder contains silica and/or alumina.

A carbon nanotube attached member has a substrate, which is mainly made of aluminum, and a aligned CNT film which is aligned along an alignment direction ORD. A carbon nanotube/CNT, which forms the aligned CNT film, has a length of 200 micrometers or longer. The CNT is synthesized starting from a mixed gas of acetylene, hydrogen, and argon. Furthermore, carbon dioxide is added to maintain catalyst activity. A ratio of acetylene:carbon dioxide is adjusted from 1:10 to 1:300. The aligned CNT film is partially formed. The formation range of the aligned CNT film is set by inhibiting synthesis and/or aligned growth of the CNT by a rough surface or a carbon-containing substance.