This aluminum foil is used as substrate (Al current collectors) for coating cathode materials in Li-Ion rechargeable battery research. (Sold per roll only)
Model:
Current Collector Copper Foil
Material:
Aluminum
Thickness:
9um, 12um, 15um, 18um, 20um, etc.
Width:
Can be customized
Technical Specification
| Item | Nominal Thickness | Testing Equipment | ||||
|---|---|---|---|---|---|---|
| 9um | 12um | 15um | 18um | 20um | Table Data | |
| Basis Weight (g/m²) | 24-27 | 24-27 | 39-42 | 47-50 | 53-55 | Electronic Balance |
| Alloy Model | 10701235 | Electronic Balance | ||||
| Alloy State | H18, H22 | Table Data | ||||
| Transverse Surface Density g | ≤1g | Electronic Balance | ||||
| Room Temperature Tensile Strength (kg/mm2) | ≥40.0 | ≥40.0 | ≥40.0 | ≥40.0 | Tensile Testing Machine | |
| Elongation at Room Temperature (%) | ≥1.0 | ≥1.0 | ≥1.0 | ≥1.0 | Tensile Testing Machine | |
| Shiny Side Surface Roughness (μm) Matte Side Surface Roughness (μm) | RZ≤2.5 | Roughness Tester | ||||
| Matte Side Surface Roughness (μm) | RZ≤2.5 | Roughness Tester | ||||
| Wettability | ≥30 dyn | Dyne Pen | ||||
| Width Tolerance (mm) | ±1 | Measuring Tape | ||||
| Appearance Quality | The aluminum foil surface must be flat, without wrinkles, dents, or impact marks, and the edges must be neatly trimmed. | Visual Inspection | ||||
| Color should be generally uniform, and free from oil stains. | ||||||
| Joint (Splicing) | ≤1pc per roll | |||||
| Chemical Composition | Al≥99.9% | Outsourced Testing | ||||
| Storage Conditions | Storage conditions: Relative humidity ≤ 65%, temperature ≤ 25°C, and must not be stored together with corrosive or damp materials, or with non-conforming chemical substances. | Specific Testing Methods Refer to the Aluminum Foil Final Inspection Work Instruction | ||||
| Warranty | 90 days after goods arrival | |||||
| Roll Weight | Can be customized | |||||
| Precautions for Using Copper Foil | Please see the aluminum foil usage precautions. | |||||
| Reference Standard | "Aluminum Foil for Lithium-Ion Batteries" SJ/T11483-2014 | |||||