Cobalt Oxide Micron Powder (Co₃O₄, Co >71-72.5%, 5 µm)
Technical Specifications:
- Chemical Formula: Co₃O₄
- Cobalt Content: >71-72.5% (High purity cobalt content)
- Particle Size: 5 µm (microns)
- Appearance: Black to dark brown powder
- Density: Approximately 6.5 g/cm³
- Melting Point: 1,900°C (3,452°F)
- Boiling Point: Sublimes at high temperatures (does not have a definitive boiling point under normal pressure)
- Molecular Weight: 240.8 g/mol
- Solubility: Insoluble in water but soluble in acids like hydrochloric acid (HCl) and nitric acid (HNO₃)
- Crystal Structure: Spinel structure (tetrahedral and octahedral sites occupied by cobalt ions)
| Element | Composition (%) |
| Cobalt (Co) | >71-72.5% |
| Silicon (Si) | <0.003% |
| Lead (Pb) | <0.0065% |
| Calcium (Ca) | 0.0067% |
| Iron (Fe) | <0.0147% |
| Copper (Cu) | <0.0017% |
| Sodium (Na) | <0.0128% |
| Arsenic (As) | <0.001% |
| Potassium (K) | <0.0006% |
| Magnesium (Mg) | <0.0007% |
| Aluminum (Al) | <0.001% |
Applications:
- Catalysis:
- Cobalt Oxide (Co₃O₄) is widely used as a catalyst in industrial chemical reactions, particularly in processes such as the synthesis of hydrogen and oxygenation reactions. It is a key catalyst in reactions such as the oxidation of alcohols and hydrogenation reactions.
- It is also used in the catalysis of Fischer-Tropsch synthesis, converting carbon monoxide and hydrogen into hydrocarbons, and in petroleum refining.
- Battery Materials:
- Cobalt Oxide is an essential component in the production of rechargeable batteries, especially in lithium-ion batteries and nickel-metal hydride (NiMH) batteries. It contributes to improved energy density, longer life cycles, and greater power output.
- Cobalt Oxide (Co₃O₄) is also used in the development of cobalt-based cathodes for batteries, improving their performance.
- Electrodes in Fuel Cells:
- Cobalt Oxide is utilized as an electrode material in certain types of fuel cells, particularly in solid oxide fuel cells (SOFCs) and electrochemical cells. It helps to improve the conductivity and efficiency of the fuel cell systems.
- Pigments in Ceramics and Glass:
- Cobalt Oxide is used as a pigment in ceramics and glassmaking, where it imparts a deep blue color. It is used in the production of blue-glazed ceramics and in vitreous enamel coatings on metals.
- This application is common in the production of tiles, porcelain, and artificial gemstones.
- Magnetic Materials:
- Cobalt Oxide is involved in the production of magnetic materials, including hard magnetic alloys used in permanent magnets and magnetic recording media. These materials are key components in electric motors, audio devices, and data storage technologies.
- Catalyst for Dehydrogenation:
- Cobalt Oxide serves as a catalyst in the dehydrogenation of alkanes to produce alkenes, which are important in the chemical industry for the production of synthetic polymers, rubber, and various chemicals.
- Pigments in Cosmetics:
- Due to its vibrant blue and green hues, Cobalt Oxide is used as a pigment in cosmetics (such as eyeshadows and nail polishes), providing non-toxic coloring effects.
- Environmental Remediation:
- Cobalt Oxide is being investigated for its potential in environmental remediation, specifically in processes like wastewater treatment where it can act as a catalyst for breaking down organic pollutants or as an adsorbent for heavy metals.
- Superconductors and Magnetic Applications:
- Cobalt Oxide has been explored for use in high-temperature superconductors and magnetic sensors due to its unique magnetic properties. It can be incorporated into composite materials that exhibit improved magnetic behavior.
- Production of Cobalt Alloys:
- Cobalt Oxide is used as a precursor in the manufacture of cobalt alloys, which are used in aerospace, electronics, medical devices, and high-performance tools. Cobalt alloys are particularly valued for their high strength, corrosion resistance, and wear resistance.
- Electrochromic Devices:
- Cobalt Oxide is employed in electrochromic devices (such as smart windows), which change color or transparency when subjected to an electric current, providing energy-efficient solutions for controlling sunlight and privacy in buildings.
- Synthesis of Cobalt-based Nanomaterials:
- Cobalt Oxide is a precursor for the synthesis of cobalt-based nanomaterials used in a wide range of applications, including catalysis, energy storage devices, and sensors. These nanomaterials exhibit enhanced surface area and reactivity, making them ideal for advanced technological applications.
Cobalt Oxide Micron Powder (Co₃O₄, Co >71-72.5%, 5 µm) is a versatile compound with broad applications in industries such as energy storage, catalysis, electronics, ceramics, and environmental remediation. Its key properties, including its high cobalt content and catalytic capabilities, make it essential in numerous high-tech applications.
