Lithium-Copper Composite Foil

Lithium-Copper Composite Foil

SKU: XN-LiCu-CF

Lithium-Copper Composite Foil (XN-LiCu-CF) — Li layer ≥99.90%; Li layer 1–80 μm × width ≤350 mm; single/double/multilayer composite; substrates: Cu foil, microporous Ni foil, etched/punched/stainless steel foil; used as anode in lithium metal secondary batteries.

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Name: Lithium-Copper Composite Foil (Li–Cu Composite Strip)

Material Type: Li–Cu Composite Foil — Single/Double/Multilayer, Li layer 1–80 μm

Product Code: XN-LiCu-CF

Product Introduction:

This product is primarily used for lithium metal anode secondary battery applications. Available as single-sided composite, double-sided composite, or multilayer composite strip. Appearance: smooth and glossy surface; no oil stains or visible foreign matter; no visible oxidation or hydrogenation; no cracks, folds, or scratches; slight processing marks are acceptable.

Key Features:

Composition: Li (≥99.90%) and Cu; Li density 0.534 g/cm³, Cu density 8.9 g/cm³
Li layer thickness 1–80 μm × composite width ≤350 mm
Single-sided, double-sided, and multilayer composite configurations available
Substrates: pure copper foil, microporous nickel foil, etched foil, punched foil, micro-etched foil, stainless steel foil; customer-supplied substrates accepted
Lithium alloying available; bimetallic and trimetallic alloy-streamlined composite strips on request
Application: lithium metal anode secondary batteries

Physical Properties:

Property Value
Composition Li, Cu
Li Layer Density 0.534 g/cm³
Cu Layer Density 8.9 g/cm³

Chemical Composition — Lithium Layer (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:

Lithium-Copper Composite Strip dimensional specifications

Note: Specifications are for reference only. Composite configurations, substrate materials, and alloy compositions are all customizable upon request. For pure lithium metal and alloy products, see Metallic Lithium Series and Lithium Alloy & Pre-Lithiation Solutions.

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