Disclosed are a photocatalyst and application thereof in environmentally friendly photocatalytic treatment of a power battery. The photocatalyst is obtained by loading Ag-TaON on a hollow glass microsphere, wherein a mass ratio of the Ag-TaON to the hollow glass microsphere is 1: 5 to 10. According to the invention, the Ag-TaON and the hollow glass microsphere are compounded, the hollow glass microsphere has better light permeability, which avoids mutual shielding between catalysts, such that the photocatalyst filled in a reactor is fully excited, which is capable of effectively improving a light utilization rate, thus improving the catalytic conversion efficiency of the photocatalyst.

Provided is a method for forming catalytic nanocoating on a metal surface. The method comprises pretreating the metal surface by means of heat treatment at 500-800° C., forming a metaloxide support, and depositing catalytic nanosized metal and/or metaloxide particles on the metaloxide support and coating the metal surface with catalytic nanosized metal and/or metaloxide particles. Further, the invention relates to a catalyst and a use.

An organic nanofiber includes a fiber body containing multiple inorganic oxide particles selected from polycrystalline titanium dioxide particles and polycrystalline tin(IV) oxide particles, and having a particle size ranging from 15 to 75 nm. A method for manufacturing the inorganic nanofibers, including: mixing a metal precursor, an organic polymer and a solvent to obtain a solution, the metal precursor being a titanium-containing precursor or a tin-containing precursor; electrospinning the solution at a relative humidity ranging from 50 to 60% to form multiple nanofibers; and annealing the nanofibers at a temperature ranging from 600 to 800° C. to obtain multiple inorganic nanofibers.

Supported chromium catalysts with an average valence less than +6 and having a hydrocarbon-containing or halogenated hydrocarbon-containing ligand attached to at least one bonding site on the chromium are disclosed, as well as ethylene-based polymers with terminal alkane, aromatic, or halogenated hydrocarbon chain ends. Another ethylene polymer characterized by at least 2 wt. % of the polymer having a molecular weight greater than 1,000,000 g/mol and at least 1.5 wt. % of the polymer having a molecular weight less than 1000 g/mol is provided, as well as an ethylene homopolymer with at least 3.5 methyl short chain branches and less than 0.6 butyl short chain branches per 1000 total carbon atoms.

The present application is directed to a method for the conversion of nitrous acid to dinitrogen gas. In particular, the present application relates to a method for the conversion of nitrous acid to dinitrogen gas by contacting the nitrous acid with an amine-functionalized metal organic framework.

The present invention provides a method for producing ammonia by means of energy irradiation, the method comprises contacting a nanostructure catalyst with at least one nitrogen-containing source and at least one hydrogen-containing source, and irradiating the nanostructure catalyst, the nitrogen-containing source and the hydrogen-containing source with energy, to produce ammonia.

The present invention provides a method for producing ammonia by means of energy irradiation, the method comprises contacting a nanostructure catalyst with at least one nitrogen-containing source and at least one hydrogen-containing source, and irradiating the nanostructure catalyst, the nitrogen-containing source and the hydrogen-containing source with energy, to produce ammonia.

The present disclosure provides for metal nanoparticles, such as gold nanoparticles that have six pointed areas so that the metal nanoparticle resembles a six-pointed star. The distance from opposing points of the six-pointed star is about 400 to 480 nanometers. The present disclosure also provides for a method of making the nanoparticle, where in an aspect, the method is a light-driven synthesis.

There is provided a cluster-supporting porous carrier having improved heat resistance and/or catalytic activity, and a method for producing it. The cluster-supporting porous carrier of the invention has porous carrier particles (20) such as zeolite particles, and metal oxide clusters (16) supported within the pores of the porous carrier particles. The method of the invention for producing the cluster-supporting porous carrier includes providing a dispersion containing a dispersing medium (11) and porous carrier particles dispersed in the dispersing medium, forming positively charged metal oxide clusters (16) in the dispersion, and supporting the metal oxide clusters within the pores of the porous carrier particles (20) by electrostatic interaction.

A member for a metal oxide nanofiber based gas sensor can include a metal nanoparticle catalyst and can be formed to be functionalized by binding the metal nanoparticle catalyst and an alkali or alkaline earth metal through electrospinning and heat treatment processes. The member can detect a trace amount of a gas with high selectivity and ultra-high sensitivity by uniformly binding the alkali or alkaline earth metal and the metal nanoparticle catalyst through electrospinning and high-temperature heat treatment.