Products Description
Double-Sided Smooth Copper Foil for Lithium-Ion Batteries
Overview:
Double-sided smooth copper foil is a critical material in the production of lithium-ion batteries. Manufactured through a complex process involving electrolytic deposition, surface treatment, and strict quality control, this type of copper foil features high flatness, high gloss, excellent conductivity, and strong adhesion. These properties collectively enhance the electrochemical performance and safety of batteries, making it an essential material for power batteries, energy storage systems, and consumer electronics.
Key Features
High Flatness
Ultra-smooth surface minimizes the risk of internal short circuits within the cell.
Excellent Conductivity
Ensures low internal resistance, improving charge/discharge efficiency and overall energy output.
Strong Adhesion
Provides firm bonding with electrode active materials, improving structural stability and battery performance.
Corrosion Resistance
Withstands electrolyte corrosion, prolonging battery lifespan and reliability.
Lightweight and Flexible
Thin and light, suitable for high energy density applications; easy to process and integrate into various battery designs.
Core Advantages
Enhanced Battery Performance
Improved conductivity and flatness contribute to higher energy density and extended cycle life.
Improved Safety
Superior adhesion and corrosion resistance reduce risks of internal short circuit, swelling, or electrolyte leakage.
Cost Efficiency
Thin, lightweight design reduces overall material consumption and production costs.
Environmental Compliance
Manufactured in accordance with environmental regulations (e.g., RoHS), reducing ecological impact.
Technical Parameters
| Width:300mm | ||
| Lenght: 383m | ||
| Thicness:8um | ||
| Mode:XW-C08-S | ||
| Copper foil for battery anode substrate | ||
| Item | Data | |
| width (mm) | 300mm | |
| Thickness (um) | 8 | |
| areal density (g/m2) | 75~80 | |
| Purity(%) More than 99.9% | Cu ≥99.9% | |
| Fe < 0.0010% | ||
| Bi < 0.00020% | ||
| Pb < 0.0005% | ||
| Tensile strength (MPa) | ≥294 | |
| Normal elongation(%) | 2.5 | |
| High temperature Tensile strength180℃(MPa) | ≥147 | |
| High temperature elongation180℃(%) | 2 | |
