There are three main forms of battery packaging, cylindrical, square, and soft pack, each of which has its own advantages and differences in application areas. Soft pack batteries have the characteristics of small size, light weight and high safety, and are widely used in drones, unmanned vehicles, intelligent robots, portable devices, etc.
Structure of soft pack aluminum-plastic film:
Soft pack batteries are encapsulated with aluminum-plastic film, which is a composite material and consists of three layers: nylon layer, aluminum foil layer and heat sealing layer.
Features of aluminum plastic film for soft pack battery:
1、High barrier property
2、Good molding property
3、Electrolyte resistance
4、High temperature resistance
5、Puncture resistance
Aluminum foil type and specification parameters for flexible package aluminum-plastic film:
Alloy grade: 8021, 8079
Alloy state: O
Thickness range: 0.035-0.055mm
The role of aluminum foil in flexible packaging aluminum plastic film:
Aluminum foil has a highly dense metal crystal structure, high barrier, high strength, good elongation and spreading pressure, and is mainly used as a group spacer.
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