🔋 Youveim® Battery-Grade Copper Foil Series-SCI Materials Hub

🔋 Youveim® Battery-Grade Copper Foil Series

Views： Added：2025-05-26

💡 Overview

The Youveim® Battery-Grade Copper Foil Series is engineered to serve as high-performance current collectors for lithium-ion battery anodes. This product line includes:

Single-Shiny Copper Foil (9 μm)
Double-Shiny Copper Foil (9 μm)
Single-Side Carbon-Coated Copper Foil (9 μm Cu + 1 μm C)
Double-Side Carbon-Coated Copper Foil (9 μm Cu + 1+1 μm C)

These foils are manufactured under strict quality standards to meet both laboratory-scale and industrial-scale battery production requirements.

🌟 Key Features

Category	Description
⚡ High Conductivity	Nearly theoretical copper density with ultra-smooth surfaces for superior electrical performance
🛡️ Chemical Stability	Oxidation-resistant surfaces; compatible with water-based and silicon-carbon slurries
🧲 Mechanical Strength	High tensile strength and elongation; ideal for high-speed coating lines
🔄 Interface Compatibility	Carbon coating enhances adhesion, reduces impedance and polarization
🔧 Customizable Specs	Width, surface treatment, coating thickness and roll diameter can be tailored

⚙️ Technical Specifications Comparison

Property	Single-Shiny Copper Foil	Double-Shiny Copper Foil	Single-Side Carbon-Coated	Double-Side Carbon-Coated
Total Thickness	9 μm	9 μm	9 μm Cu + 1 μm C	9 μm Cu + 1+1 μm C
Width	200 mm (customizable)	200 mm (customizable)	275 mm	260 mm
Coating Width	—	—	230 mm	230 mm
Areal Weight	76 g/m²	76 g/m²	88 ± 1 g/m²	88 ± 3 g/m²
Electrical Resistivity	0.155 ohm·g/m²	0.155 ohm·g/m²	Excellent (conductive layer)	Excellent (dual-layer conduction)
Tensile Strength (23 °C)	≥340 N/mm²	≥340 N/mm²	≥340 N/mm²	≥347 N/mm²
Elongation (23 °C)	>3.5%	>3.5%	≥6%	>6.6%
Surface Wettability	≥38 dyn/cm	≥38 dyn/cm	≥56 dyn/cm	≥56 dyn/cm
Surface Type	Single shiny	Double shiny	One side carbon-coated	Both sides carbon-coated
Pinholes	None	None	None	None
Storage Conditions	≤25 °C, RH ≤65%	Same as left	Same as left	Same as left

🔬 Applications

✅ Lithium-ion battery anode current collectors (LFP, NCM, Si/C)
✅ High energy density or long-cycle life cells
✅ Water-based anode slurries
✅ Suitable for R&D labs, pilot lines, and mass production

📦 Packaging & Handling

Rolls sealed in moisture-proof plastic wrap and foam
Supplied with complete quality
Use clean gloves when handling; avoid surface scratches or contamination