Aluminum (Al) Foil for Batteries with Single/Double-Sided Carbon Coating
Introduction:
The use of functional coatings to modify the surface treatment of battery collector is a breakthrough technological innovation. Modified aluminum foil is a functional layer using a variety of or one of the conductive materials coated on the surface of the aluminum foil, the formation of an excellent two-dimensional or multi-dimensional conductive network structure, and then with the conductive resin suitable for water system, through the combination of theoretical simulation calculations and multiple experiments, continuous exploration, to find a ratio of structure and process conditions. This process can make the surface coating thickness thinner, the coating resistance lower and the adhesion ability is stronger, so as to effectively improve the electrochemical properties and product stability of lithium batteries, which is especially suitable for silicon-carbon battery systems
Features:
Improve the surface tension of aluminum foil, increase the adhesion between aluminum foil and active substances
Reduce the amount of binder added to the electrode, improve the battery energy density and cycle life
Protects the collector and prevents corrosion and oxidation of the aluminum foil surface
Reduce the interfacial resistance and reduce the internal resistance of the battery
Reduce polarization, improve battery rate charge and discharge performance and active substance gram capacity
Reduce battery heat generation and improve battery safety
Improve product stability and consistency;
Improve the production pass rate of single batteries and the pack matching rate of batteries
Improve the consistency and lifespan of the single battery, battery pack, and reduce production costs
Application direction:
Power storage lithium-ion battery (SiC)
Class 3C lithium-ion battery (S/C)
Queous lithium-ion batteries
Double-sided charcoaled aluminum foil
The product type
Continuously coated with carbon
Manufacturer
Scientific Materials Station
Test item
Specification
Unit
Measured values
Instrumental methods of testing
Thickness
16
μm
15-16
Mrometer
Carbon layer thickness
1+1
μm
1+1
Mrometer
Isal density
42±2
g/m2
42.7
Precision balances
Foil width
260±1
mm
260
Ruler
Coating width
230±1
mm
230
Ruler
Leave the left edge
15±1
mm
15
Ruler
Leave an edge on the right
15±1
mm
15
Ruler
Misplacement
≤1
mm
0.1
Ruler
Dyne value
≥40
Dyne
55
Dyne pen
Elongation
>1.5%
%
2.83
Stretching machine
Tensile strength
≥180
N/mm2
199.94
Stretching machine
Appearance
Are there any obvious abnormalities that affect the use
Wrap
Guaranteed to be free of damage, moisture or severe impact marks
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