Lithium Metal Grades

Lithium metal is a soft, silvery-white alkali metal known for its extremely low density, high electrochemical potential, and strong chemical reactivity. It is a critical material for batteries, aerospace alloys, pharmaceuticals, nuclear technology, and advanced research.

Commercial lithium metal is supplied in different purity grades, each tailored to specific industrial, energy, scientific, or nuclear applications.

Classification of Lithium Metal Grades

Industrial Grade Lithium Metal

Purity: ~99.0 – 99.5% Li

Applications:
• Organolithium chemical synthesis
• Metallurgical additives (Al–Li alloys)
• Specialty greases and catalysts

Advantages:
✔ Cost-effective for bulk use
✔ High chemical reactivity
✔ Suitable for large-scale industrial processes

Battery Grade Lithium Metal

Purity: ≥ 99.9% (typically 99.95%)

Applications:
• Lithium metal batteries
• Solid-state batteries
• Next-generation anode materials

Advantages:
✔ Extremely low impurity levels
✔ High electrochemical efficiency
✔ Stable cycling performance

High-Purity / Electronic Grade Lithium

Purity: 99.95 – 99.99%

Applications:
• Research laboratories
• Semiconductor and electronic materials
• Advanced electrochemical studies

Advantages:
✔ Ultra-low trace impurities
✔ Consistent and reproducible behavior
✔ Ideal for precision experiments

Nuclear Grade Lithium Metal

Purity: 99.95 – 99.99%

Applications:
• Nuclear reactors and fusion research
• Tritium breeding systems
• Specialized nuclear materials research

Advantages:
✔ Extremely tight impurity control
✔ Stable behavior under extreme conditions
✔ Suitable for safety-critical nuclear systems

Comparison of Lithium Metal Grades

Grade Purity Main Use
Industrial Grade 99.0 – 99.5% Chemicals, metallurgy
Battery Grade ≥ 99.9% Li-metal & solid-state batteries
High-Purity Grade ≥ 99.95% R&D, electronics
Nuclear Grade ≥ 99.9% Nuclear systems

Why Lithium Metal Grades Matter

The performance, safety, and reliability of lithium-based systems depend heavily on metal purity and impurity control. From cost-sensitive industrial synthesis to ultra-high-performance batteries and nuclear applications, selecting the appropriate lithium metal grade ensures optimal efficiency, longevity, and safety.

As lithium metal becomes increasingly important in solid-state batteries, energy storage, aerospace, and advanced nuclear technologies, demand for high-purity and application-specific lithium grades continues to grow worldwide.