12+2+2µm Safety Primer Coating Foil for Battery System

12+2+2µm Safety Primer Coating Foil for Battery System has a composite layer: both a conductive carbon layer and solid electrolyte layer. Which can is designed and manufactured to suppress dendrite piercing, boost high-rate conductivity, cut electrolyte side reactions, and strengthens foil flexibility.

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The 12+2+2µm Safety Primer Coating Foil is widely adopted in power batteries, energy storage power batteries, and consumer batteries. It is also compatible with sodium-ion batteries and high-voltage lithium battery systems.

1. Technical Parameters

Applicable Battery	Lithium-ion battery / Sodium-ion battery
Alloy	AA1100, AA1060, AA1235D
Temper	H18
Aluminum Foil Thickness	12µm
Coating Thickness	2µm (single side/double sides)
Aluminum Foil Width	300-1550mm
Coating System	Aqueous slurry
Surface Tension	≥64 dyn/cm
Tensile Strenght	≥230 MPa
Enlongation	≥3.0 %
Coating Surface Density	4.0±1 g/㎡
Total Surface Density	36.4±2.4 g/㎡
NMP Resistance	Baked at 130 °C for 10 min. Wiping 200 times with NMP, the coating remains intact without peeling.
Edge Trimming Defect	<100μm
Appearance	No dents or depressions, scratches, pinholes, pockmarks, edge notches, tower shapes, arrows, end face burrs, impact injury; foil material bonding tape.

2. Product Image

3. Key Benefits of 12+2+2µm Safety Primer Coating Foil

Lowers surface resistance, improving high-rate discharge performance.
Solid electrolyte layer enhances ion transport while reducing side reactions between electrolyte and cathode materials and provides protection against dendrite penetration and external puncture.
Carbon layer improves flexibility and tear resistance, preventing crack propagation in metal foil.

주제 : 12+2+2µm Safety Primer Coating Foil for Battery System

12+2+2µm Safety Primer Coating Foil for Battery System

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