Tungsten carbide is a typical transition metal carbide, which belongs to hexagonal system. Tungsten carbide has good conductivity, and nano-sized tungsten carbide has good potential to replace noble metals as catalysts for hydrogen evolution. Therefore, it has attracted wide attention in the field of catalytic hydrogen evolution.

In recent years, photocatalysis has attracted widespread attention in environmental control and energy development. Zinc tungstate, as an important photocatalyst, has shown good photocatalytic activity in the photolysis of water and degradation of organic pollutants, and has become a research hotspot at home and abroad.

In recent years, the research on mechanical properties of high performance composite cemented carbides has become one of the frontier topics in the field of cemented carbides. Carbon nanotubes are one-dimensional nanomaterials composed of stable C_C covalent bonds, which have super comprehensive mechanical properties.

Tungsten carbide is a kind of important transition metal carbides, which has the catalytic properties similar to noble metals. It has shown excellent catalytic performance in oil, gas hydrodesulfurization, denitrification, hydrocarbon isomerization and other reactions, and is the focus of attention.