• Chinese name: Cerium Oxide
  • Product Name: Cerium Oxide
  • Molecular formula: CeO₂
  • CAS Number: 1306-38-3
  • Regular form: pale yellow powder
  • Conventional particle size: 15μm 
  • Conventional Purity: ≥99.9% (3N grade)
  • Density: 7.13g/cm³
  • Melting Point: 2600°C

∗Note: Nano-scale and High purity(4N or 5N grade) can be customized

As a key rare earth oxide, cerium oxide plays a central role in the fields of catalysis, environmental protection, new energy and precision manufacturing due to its unique redox properties, surface activity and ion conductivity. The categories are: white cerium oxide, large specific surface area cerium oxide, high-purity cerium oxide, pseodymium-containing cerium oxide, spray-grade granulated cerium oxide, nano cerium oxide and small particle size cerium oxide.

Chemical Properties:

  • Solubility: insoluble in water, soluble in strong acids to form cerium salts
  • Thermal stability: It has excellent high temperature stability
  • Ionic conductivity: Exhibits good oxygen ion conductivity
  • Optical properties: high refractive index and ultraviolet absorption
  • Surface activity: The surface is rich in oxygen vacancies and active sites

Applications:

New energy technology

  • Solid-state electrolyte matrix: used in lithium/sodium-ion solid-state batteries
  • Oxygen ion conductor for fuel cells: a key material for medium-temperature solid oxide fuel cells

catalyst

  • Automobile exhaust purification: used to remove harmful gases and improve emission standards
  • Industrial Waste Gas Treatment: Effectively decompose pollutants in industrial emissions
  • Chemical synthesis reaction: used as a catalyst to improve reaction efficiency

polishing material

  • Semiconductor wafer polishing: Achieve high-precision surface flattening
  • Optical glass polishing: Achieve an ultra-smooth optical surface
  • Precision device processing: Improve the optical and mechanical properties of your devices

fuel cell

  • Medium-temperature solid oxide fuel cell: acts as a conductor of oxygen ions to improve battery efficiency
  • Electrode material: Enhance the catalytic activity and stability of the electrode

Ultraviolet absorbers

  • Sunscreen cosmetics: Protects the skin from UV rays
  • Anti-aging coating: Extend the life of the material
  • Functional glass: Gives the glass an anti-UV function

Ceramic additives

  • Structure: Improve the hardness and toughness of ceramics
  • Improved oxidation resistance at high temperatures: Extend the service life of ceramics in high temperature environments
  • Dielectric Improvement: Optimize the electrical properties of ceramics