Battery Grade Copper Foil

1. Product Overview

Battery Grade Copper Foil is a high-purity copper material engineered for use as the current collector in advanced lithium-ion battery cells. Its controlled thickness, surface uniformity, conductivity, and mechanical properties support efficient electrode coating and reliable battery performance. The product is strategically important for electric vehicles, energy storage systems, consumer electronics, and the expanding global battery supply chain.

2. Key Specifications & Technical Characteristics

• Material: High-purity electrolytic copper (Cu)
• Grade: Battery Grade
• Copper Purity: Typically ≥99.95% Cu, subject to agreed specification
• Form: Continuous copper foil rolls
• Appearance: Smooth, uniform metallic copper surface
• Typical Thickness: 6–12 μm, customizable according to application requirements
• Width: Customizable to customer production specifications
• Surface: Controlled roughness and uniformity suitable for electrode coating
• Electrical Conductivity: High conductivity for efficient current collection
• Mechanical Characteristics: High tensile strength, elongation, dimensional stability, and flexibility
• Packaging: Protective export-grade packaging with moisture and damage protection; roll packaging available
• Shelf Life: Store sealed in a clean, dry environment away from moisture and corrosive contaminants; shelf life subject to agreed packaging and storage conditions

3. Core Industrial Applications

• Lithium-Ion Batteries: Used as the negative-electrode current collector in rechargeable battery cells.
• Electric Vehicles (EVs): Supports high-performance battery systems requiring consistent conductivity and dimensional stability.
• Energy Storage Systems (ESS): Suitable for stationary battery storage and renewable-energy storage applications.
• Consumer Electronics: Used in batteries for smartphones, laptops, tablets, power banks, and other portable electronics.
• Battery Manufacturing: Designed for high-speed electrode coating, slitting, winding, and cell assembly processes.

Its high conductivity, controlled thickness, uniform surface characteristics, and mechanical stability help improve current collection efficiency, coating consistency, manufacturing reliability, and overall battery-cell performance.

4. Competitive Advantages

• Quality Consistency: Controlled purity, thickness, width, surface condition, and mechanical properties for dependable production performance.
• Supply Reliability: Structured bulk sourcing capability designed to support recurring industrial procurement requirements.
• Logistics Capability: Export-ready packaging and coordinated international logistics for efficient bulk delivery.
• Price Competitiveness: Commercially optimized supply for industrial-scale purchasing and long-term sourcing programs.
• Sustainability: Copper can be recovered and recycled, supporting circular-material strategies and more sustainable battery supply chains.
• Technical Documentation: Product specifications, quality documentation, inspection records, and relevant certificates can be provided subject to order requirements.
• Strategic Sourcing Value: A dependable copper foil supply supports production continuity, quality control, and cost management across the battery manufacturing value chain.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: Subject to roll specifications, packaging configuration, container type, and applicable payload limits
• Supply: Bulk and recurring industrial supply available
• Documentation: Commercial and technical documentation available according to buyer requirements