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Composite Aluminum Foil is a new-type of battery current collector, which has thinner aluminum film, overall lighter weight, and higher safty during penetration expeirment compared to the conventional rolling aluminum foil.
Product name | PET Composite Aluminum Foil | |||
Testing items | Unit | Norm value | Testing standards and methods | |
Areal density | g/c㎡ | 13±0.5 | Sampler, balance | |
Thickness | um | 8.0﹢1/0 | ||
Width | mm | 280 | Steel ruler | |
Square resistance | MΩ | 40±3 | Four Probe Square Resistance Meter | |
Resistivity | Ω/m | ≤4*10-8 | Four Probe Square Resistance Meter | |
Plating purity | % | 99.35 | Metal Detector | |
Tensile Strength | MD | MPa | ≥240 | Tensile tester |
TD | ≥1800 | |||
Break elongation | MD | % | ≥3% | |
TD | ≥3% | |||
Wettability | Dyne value | ≥32 | Dyne pen | |
Antioxidant | 150℃ 10min | / | No color change | Oven |
150℃ 10min | Not melt | |||
Adhesion | / | Tape No. 681 does not fall off | 3M tape | |
Pinholes | Number | No >500μm pinholes | Metallographic microscope | |
Appearance and storage conditions | The foil surface is smooth and flat; no interlayer folds; no indentation, bruises, scratches, uniform color, no corrosion, no oil stains, no black spots, smooth cut edges, and no obvious burrs. Storage temperature ≤25°C, temperature ≤65°C, avoid direct sunlight and chemical corrosion. |
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Contact: Lika
Phone: +86-19906035385
Tel: 0086-592-7161550
Email: sales@aotbattery.com
Add: No.168, Zhaogang Road, Xiamen City, China