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Lithium Foil

Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Lithium Form: Foil/Film/Sheet Composition: Li CAS Number: 7439-93-2 Purity: 99.9% Temper: As Rolled Coating: Uncoated Surface Finish: Standard
Lithium Foil is widely used in research and laboratory settings for the development and testing of lithium metal batteries and solid-state battery technologies. Its uniform thickness and high purity facilitate precise electrochemical characterization, enabling detailed studies of lithium plating, dendrite formation, and interface stability. Common applications include coin cell and pouch cell assembly, as well as prototype energy storage devices. The foil’s consistent quality supports investigations into battery performance, cycle life, and safety improvements, making it a versatile material in materials science and electrochemical energy storage research.
Starting at $699.99 each
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Material Properties

Atomic Properties
Element Value
Atomic number 3
Crystal structure Body centred cubic
Electronic structure He 2s¹
Valences shown 1
Atomic weight( amu ) 6.941
Thermal neutron absorption cross-section( Barns ) 63
Photo-electric work function( eV ) 2.4
Natural isotope distribution( Mass No./% ) 6/ 7.5
Natural isotope distribution( Mass No./% ) 7/ 92.5
Atomic radius - Goldschmidt( nm ) 0.157
Ionisation potential( No./eV ) 2/ 75.6
Ionisation potential( No./eV ) 3/ 122.4
Ionisation potential( No./eV ) 1/ 5.39
Mechanical Properties
Element Value
Material condition Polycrystalline
Poisson's ratio 0.36
Bulk modulus( GPa ) 11.1
Tensile modulus( GPa ) 4.91
Hardness - Vickers( kgf mm⁻² ) <5
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 9.29@20°C
Temperature coefficient( K⁻¹ ) 0.00435@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 1.82
Physical Properties
Element Value
Boiling point( C ) 1342
Density( gcm⁻³ ) 0.534@20°C
Thermal Properties
Element Value
Melting point( C ) 180.5
Latent heat of evaporation( J g⁻¹ ) 19600
Latent heat of fusion( J g⁻¹ ) 422
Specific heat( J K⁻¹ kg⁻¹ ) 3560@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 84.8@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 56@0-100°C
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Available Configurations

Properties common to all products in this list

Commodity: Metals Material: Lithium Form: Foil Composition: Li CAS Number: 7439-93-2 Purity: 99.9% Temper: As Rolled Coating: Uncoated Surface Finish: Standard

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Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%