Copper Foil for Lithium-Ion Batteries

Copper Foil for Lithium-Ion Batteries

SKU: XN-CUF-8

Copper Foil for Lithium-Ion Battery Anode Current Collectors (XN-CUF-8) — high-purity electrolytic copper foil; substrate thickness 8±1 μm; areal density 70–75 g/m²; tensile strength ≥300 MPa; elongation ≥3.0%; width and roll dimensions customizable. Available on 3-inch and 6-inch cores.

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Name: Copper Foil for Lithium-Ion Battery Anode Current Collectors

Material Type: High-Purity Electrolytic Copper Foil, 8 μm

Product Code: XN-CUF-8

Product Introduction:

This product is an ultra-thin metal foil made from high-purity electrolytic copper through rolling or electrodeposition processes, characterized by high electrical conductivity, ductility, and corrosion resistance. It serves as a critical current collector material in lithium-ion battery anodes. Width and roll dimensions can be customized to order.

Key Features:

Substrate thickness 8±1 μm; areal density 70–75 g/m²
Tensile strength ≥300 MPa; elongation ≥3.0%
Width customizable (*±1 mm); dimensions can be customized
Available on 3-inch (Ø76.2 mm) and 6-inch (Ø152.4 mm) cores (ABS or aluminum tube)

Physical Properties:

Specification Typical Value Unit
Substrate Thickness 8±1 μm
Substrate Width *±1 (customizable) mm
Substrate Areal Density 70–75 g/m²
Tensile Strength ≥300 MPa
Elongation ≥3.0 %

Core Requirements:

Core Specification Core Material Core Inner Diameter (mm) Core Length (mm)
3 inches ABS / Aluminum tube 76.2±1 *±5
6 inches ABS / Aluminum tube 152.4±1 *±5

Storage & Handling:

Store in sealed aluminum-plastic film packaging; shelf life 6 months. Do not store outdoors or expose to direct sunlight, rain, or moisture. Keep in a clean, dry, and well-ventilated space. Do not store with corrosive chemicals or high-humidity materials.

After opening the aluminum-plastic film — Temperature: 5–30 °C; Relative Humidity: ≤40% RH; Storage Validity: ≤3 days.

Note: Specifications are for reference only. Width and coating dimensions are customizable — contact Xnergy for custom configurations and bulk quotations. For aluminum foil current collectors, see Aluminum Foil. For electrode active materials, see Electrode Sheets.

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