Overview
Vanadium is a transition metal discovered in 1801 by Andrés Manuel del Río. It is primarily extracted from vanadinite, carnotite, and patronite ores. The metal is valued for its exceptional strength, ductility, and resistance to corrosion, making it a critical component in high-performance alloys. Vanadium's ability to form stable compounds with other elements, such as oxygen and sulfur, enhances its utility in industrial applications. It is also a key element in redox flow batteries, which are gaining traction in renewable energy storage systems.
Physical and Chemical Properties
Vanadium is a silvery-gray metal with a high melting point (1910 °C) and boiling point (3407 °C). Its density of 6.11 g/cm³ makes it relatively lightweight compared to other transition metals. The metal is insoluble in water but reacts with nitric acid to form soluble vanadium compounds. Vanadium exhibits multiple oxidation states (+2 to +5), with +5 being the most stable. This property allows it to act as a catalyst in chemical reactions, particularly in the production of sulfuric acid. Its alloys, such as ferrovanadium, are known for their high tensile strength and resistance to fatigue.
Main Applications
Vanadium's primary use is in steel alloys, where it improves hardness and resistance to wear. High-strength low-alloy (HSLA) steels, used in construction and automotive industries, often contain vanadium. The aerospace sector relies on vanadium alloys for turbine blades and other critical components. In the chemical industry, vanadium pentoxide (V₂O₅) serves as a catalyst in the contact process for sulfuric acid production. Vanadium redox batteries (VRBs) are emerging as a sustainable energy storage solution, particularly for grid-scale applications. The metal is also used in superconducting magnets and medical implants.
Safety and Storage
Vanadium dust or fumes can irritate the respiratory tract, skin, and eyes. Workers should use protective equipment, including gloves, goggles, and respirators, when handling the metal or its compounds. Proper ventilation is essential in industrial settings to minimize exposure. Vanadium should be stored in a cool, dry environment, away from oxidizing agents and acids. Containers must be tightly sealed to prevent moisture absorption and oxidation. Spills should be cleaned up immediately using inert absorbents, and contaminated materials must be disposed of according to local regulations.
B2B Procurement Guide
When procuring vanadium, buyers should prioritize suppliers with certifications such as ISO 9001 to ensure quality and traceability. Key specifications include purity (typically 99.5% or higher), form (powder, ingot, or flakes), and particle size for powdered applications. Prices vary based on market demand and purity levels, with ferrovanadium being a cost-effective option for alloy production. Buyers should also consider logistics, as vanadium is often sourced from countries like China, Russia, and South Africa. Long-term contracts may offer price stability amid market fluctuations.
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