Description
Cerium oxide powder, chemical formula CeO2, is a fine, white to
pale yellow powder with a high melting point of approximately
2,**0C (4,**2F). It is an inorganic compound composed of cerium
(Ce) and oxygen (O) atoms arranged in a cubic crystal
structure.
The powder has a high surface area and is typically composed of
nanoparticles or microparticles. The particle size and specific
surface area can vary depending on the manufacturing process and
intended use.
Cerium oxide powder exhibits several notable properties: High
Oxygen Storage Capacity; Redox Activity; Abrasive Properties; UV
Absorption; Stability; Low Toxicity. Cerium oxide powder finds
applications in various industries and fields, including:
Catalysis, Glass Polishing; Ceramics and Coatings, UV Protection,
Solid Oxide Fuel Cells, Environmental Applications. Overall, cerium
oxide powder\'s unique properties and versatile nature make it a
valuable material in various industrial applications.
Here are some key aspects and uses of cerium oxide powder:
Catalysts: Cerium oxide powder is commonly used as a catalyst or
catalyst support material in various industrial processes. Its
unique catalytic properties, such as high oxygen storage capacity
and redox activity, make it effective in applications like
automotive catalytic converters, fuel cells, and chemical synthesis
reactions.
Glass Polishing: Cerium oxide powder is widely used for glass
polishing and finishing. It has excellent abrasive properties and
is capable of removing surface imperfections, scratches, and stains
from glass surfaces. It is commonly used in the optical industry to
polish lenses, mirrors, and other glass components.
Oxidation and UV Protection: Cerium oxide powder has the ability to
act as an oxidation catalyst and can protect materials from
environmental degradation caused by UV radiation. It is used in
coatings, paints, and polymer applications to improve weathering
resistance, prevent color fading, and enhance durability.
Solid Oxide Fuel Cells (SOFC): Cerium oxide powder is utilized as
an electrolyte material in solid oxide fuel cells. It exhibits high
oxygen ion conductivity at elevated temperatures, enabling
efficient energy conversion in these fuel cell systems.
Ceramics and Pigments: Cerium oxide powder is used in the
production of ceramic materials, including advanced structural
ceramics and ceramic coatings. It can impart various desirable
properties, such as high mechanical strength, electrical
conductivity, and thermal stability.
Glass and Ceramic Coloring: Cerium oxide powder can be used as a
coloring agent in glass and ceramics. Depending on the
concentration and processing conditions, it can provide different
shades and colors, ranging from yellow to red, in the final
product.
Polish for Metal Surfaces: Cerium oxide powder is also utilized as
a polishing agent for metal surfaces, particularly in the
automotive industry. It can effectively remove scratches,
oxidation, and other surface defects from metal components,
resulting in a high-gloss, mirror-like finish.
Environmental Applications: Cerium oxide powder has attracted
attention for its potential applications in environmental
remediation. It can be used to remove pollutants, such as organic
compounds or heavy metals, from various wastewater and gas streams
due to its adsorption and catalytic properties.
These are just a few examples of the diverse range of applications
for cerium oxide powder. Its versatile properties, including
catalytic, abrasive, and optical characteristics, make it valuable
in industries such as automotive, glass manufacturing, electronics,
energy, and environmental sectors.
