Ultra-Thin Lithium Metal Foil for Battery Applications

Ultra-Thin Lithium Metal Foil for Battery Applications

SKU: XN-Li-FOIL

Ultra-Thin Lithium Metal Foil (XN-Li-FOIL) — Li ≥99.90%; thickness 20–100 μm (±5 μm), width 50–350 mm (±0.5 mm); smooth, shiny surface; used as negative electrode in secondary lithium metal batteries. Custom dimensions and alloy compositions available.

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Name: Ultra-Thin Lithium Metal Foil for Battery Applications

Material Type: Battery-Grade Lithium Metal Foil, Li ≥99.90%, Thickness 20–100 μm

Product Code: XN-Li-FOIL

Product Introduction:

Mainly used in the negative electrodes of secondary lithium metal batteries. Appearance: smooth and shiny silver surface, free from oil stains, oxidation, or visible impurities; no cracks, holes, or dents; minor processing marks are allowed. Custom dimensions and alloy compositions are available upon request.

Key Features:

Li ≥99.90%; ultra-thin foil for secondary lithium metal battery anodes
Thickness 20–100 μm (±5 μm); width 50–350 mm (±0.5 mm)
Smooth and shiny silver surface; no oxidation or visible impurities
Alloy development available: Li-Al, Li-Mg, Li-Zn, Li-Sn, Li-Si, Li-Ag; binary/ternary/quaternary

Physical Properties:

Property Value
Molecular Formula Li
Melting Point 180.5 °C
Density 0.534 g/cm³

Chemical Specifications (Impurity Content ≤ %):

Li ≥ (%) Na ≤ (%) K ≤ (%) Ca ≤ (%) Si ≤ (%) Fe ≤ (%) Al ≤ (%) Ni ≤ (%) Mg ≤ (%) Cu ≤ (%) Cl⁻ ≤ (%) N ≤ (%) Pb ≤ (%)
99.90 0.02 0.005 0.02 0.008 0.005 0.005 0.003 0.01 0.004 0.006 0.02 0.003

Dimensional Specifications:

Parameter Range Tolerance
Thickness 20–100 μm ±5 μm
Width 50–350 mm ±0.5 mm

Note: Specifications are for reference only. Custom dimensions and alloy compositions are available upon request. For lithium alloy products, see Lithium Alloy & Pre-Lithiation Solutions.

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