Molecular Formula: Li₂CO₃                                       Molecular Weight: 73.89

CAS No.:554-13-2                                                                                                            EINECS No.:209-062-5

Properties: White crystalline powder or colorless monoclinic crystals; odorless with slight alkaline taste. Density is 2.11 g/cm³; melting point 723°C; decomposes at ~1230°C (to Li₂O and CO₂). Slightly soluble in water (solubility decreases with rising temperature); Soluble in dilute acids;Insoluble in ethanol, acetone, and other organic solvents.Alkalinity: Aqueous solution is alkaline, hydrolyzing to LiOH and H₂CO₃.  

Application:

1. New Energy Batteries 

Cathode Material Synthesis: Battery-grade lithium carbonate (Li₂CO₃ ≥99.5%, Fe ≤0.0007%): Used to produce lithium iron phosphate (LFP), medium/low-nickel ternary materials (NCM/NCA), lithium cobalt oxide (LCO), etc.

High-purity lithium carbonate: Applied in high-nickel ternary batteries and solid-state electrolytes to enhance energy density and cycle life.

2.Traditional Industrial Fields

Glass & Ceramics : Fluxing agent-Reduces glass melting temperature (saves 10–15% energy); increases ceramic density and mechanical strength.

Specialty glass: For rear-projection TV screens and optical lenses (high light transmittance requirements).

Lubricants: Additive for high-temperature greases (aerospace, nuclear industries).

Metallurgy: Aluminum electrolysis additive to improve conductivity and current efficiency.

Packaging&Storage: 25 kg PP PE bags; stored under conditions of "sealed, dry, light-proof, low-temperature, acid-isolated". Battery-grade products require stricter controls (4–8°C with humidity ≤30%).

Technical Specifications: Executive Standard: GB/T 11064.1-2024

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