15+3+3μm Safety Primer Aluminum Foil For Battery Cathode

15+3+3μm Safety Primer Aluminum Foil for Battery Cathode is a product that employs a composite coating design comprising a carbon layer and a solid electrolyte layer. Due to its advanced advantages, the 15+3+3μm Safety Primer Aluminum Foil is widely used as the cathode collector for storage batteries, vehicle batteries, etc.

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By using advanced production technology, 15+3+3 Safety Primer Aluminum Foil can effectively enhance protection against external sharp objects and internal dendritic penetration, improve battery cycling life, and maintain battery safety and stability.

1. Technical Parameters

Applicable Battery	Lithium-ion battery / Sodium-ion battery
Alloy	AA1100, AA1060, AA1235D
Temper	H18
Aluminum Foil Thickness	15µm
Coating Thickness	3 µm (single side/double sides)
Aluminum Foil Width	300-1550mm
Coating System	Aqueous slurry
Surface Tension	≥64 dyn/cm
Total Surface Density	33.5-41.5±1 g/㎡
Coating Surface Density	0.21-0.7±0.5 g/㎡
NMP Resistance	Baked at 130 °C for 10 min. Wiping 200 times with NMP, the coating remains intact without peeling.

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3. Key Benefits of 15+3+3 Safety Primer Aluminum Foil

Composite coating design realizes excellent performance and safety.
Boosts adhesion of active materials to cathode current collectors.
Safeguards batteries under high-temperature and corrosive operating conditions for longer cycle life.
Highly compatible with a wide range of electrolyte systems.

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Subject : 15+3+3μm Safety Primer Aluminum Foil For Battery Cathode

15+3+3μm Safety Primer Aluminum Foil For Battery Cathode

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