Technical Specifications
Appearance :
pale yellow-white powder
Density, g/cm3 :
7.132
Melting point, °C :
2600
Molecular weight, g/mol :
172.115
Odor :
odorless
Cerium(IV) oxide, also known as ceric oxide, is a highly versatile chemical compound with the chemical formula CeO2. This pale yellow-white powder is renowned for its role as an important commercial product and valuable material in various industrial applications. Cerium(IV) oxide is primarily used as a polishing agent for glass surfaces, due to its high efficiency in removing scratches and creating a smooth finish without leaving residue. Additionally, it serves as a critical component in catalytic converters, where it aids in the oxidation of carbon monoxide and nitrogen oxides, helping to reduce vehicle emissions and enhance air quality.
Its ability to act as an oxygen ion conductor makes cerium(IV) oxide a valuable substance in fuel cells. In solid oxide fuel cells (SOFCs), it improves efficiency by accelerating the transport of oxygen ions, thereby enhancing the cell''s overall performance. In metallurgy, it serves as an additive where it refines the grain structure of metals and removes impurities. Its application extends to the field of electronics, where cerium(IV) oxide is utilized in the production of semiconductors and as a component in phosphors for television screen coatings.
Due to its thermal stability and chemical robustness, cerium(IV) oxide is also employed in ceramics, providing enhanced durability and resistance to high-temperature conditions. This compound''s wide range of applications underscores its significance in scientific research and industrial practices, cementing its status as a critical material in advancing technology and processes across various sectors.