What is Lithium Hydroxide Monohydrate (LiOH·H₂O)?

Lithium Hydroxide Monohydrate (LiOH·H₂O) is an inorganic compound widely used in the battery industry, particularly for lithium-ion battery cathodes. It appears as a white crystalline powder and is highly soluble in water and ethanol. Battery-grade LiOH·H₂O is essential for producing high-performance nickel-rich cathodes (NMC, NCA) used in electric vehicles (EVs) and energy storage systems.

Chemical Properties of Lithium Hydroxide Monohydrate

• Chemical Formula: LiOH·H₂O
• Molecular Weight: 41.96 g/mol
• Appearance: White crystalline powder
• Density: 1.51 g/cm³
• Melting Point: ~471°C (anhydrous form)
• Solubility: Highly soluble in water, soluble in ethanol
• pH (10% Solution): 10.5 – 11.5
• CAS Number: 1310-66-3

Applications of Lithium Hydroxide Monohydrate (LiOH·H₂O)

1. Lithium-Ion Battery Production (Battery Grade)

   • Used in cathode materials for high-energy-density lithium-ion batteries (Li-ion).
   • Essential for Nickel-Manganese-Cobalt (NMC) and Nickel-Cobalt-Aluminum (NCA) cathodes, improving battery lifespan and charge capacity.
   • Key material in electric vehicle (EV) batteries, energy storage systems (ESS), and consumer electronics.

2. Grease & Lubricant Industry

   • Used to manufacture lithium-based greases, which provide high thermal and mechanical stability.
   • Commonly used in automotive, aerospace, and industrial machinery applications.

3. Ceramics & Glass Manufacturing

   • Improves durability, thermal stability, and alkali resistance of glass and ceramics.

4. Alkaline Storage Batteries & Power Cells

   • Used in alkaline batteries to enhance efficiency and performance.

5. Carbon Dioxide Absorption (CO₂ Scrubbing)

   • Applied in submarines, spacecraft, and closed environments for removing CO₂ from the air.

6. Chemical & Pharmaceutical Industry

   • Used in the synthesis of lithium-based compounds for various industrial and medical applications.

Lithium Hydroxide Monohydrate (LiOH·H₂O) Prices

Pricing varies depending on purity, battery-grade certification, and global lithium market demand.

• Industrial Grade (98.0% Purity): $10 – $25 per kg
• Battery Grade (≥99.5% Purity): $30 – $100 per kg
• High Purity (99.9%+ Purity for R&D & Specialty Applications): $100 – $500 per kg

Prices fluctuate based on supply chain conditions, global lithium mining trends, and demand in the EV battery sector.