Lithium Alloy–Copper Composite Foil

Name: Lithium Alloy–Copper Composite Foil

Material Type: Li Alloy–Cu Composite Foil — Multiple Alloy Systems, Li layer 20–80 μm

Product Code: XN-LiAlloy-CF

Product Introduction:

This product is mainly used as the negative electrode material for lithium metal secondary batteries. Custom lithium alloy–copper composite foils are available in single-sided and double-sided configurations. Appearance: smooth and glossy surface; no oil stains or other foreign matter; no visible oxide or hydroxide films; no pinholes, wrinkles, creases, or tears; minor process marks are allowed.

Key Features:

Alloy systems: Li-Al, Li-Sn, Li-Si, Li-Zn, Li-Mg, Li-In, Li-Ag lithium-copper composite foils; binary/ternary/quaternary multi-element alloys available
Single-sided and double-sided coated composite foils
Li layer thickness 20–80 μm × composite foil width ≤350 mm
Cu substrate replaceable with punched Cu mesh, perforated stainless steel mesh, etched mesh; customer-supplied substrates accepted
Application: negative electrode material for lithium metal secondary batteries

Composite Range:

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.