Microporous Aluminum Foil

Etched 15um thick microporous aluminium foil. Used in both batteries and supercapacitors as high surface area current collectors to increase electrode adhesion as well as interfacial area. Available in 1kg rolls.


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Specification item unit Qualified value and range Inspection cycle Measured value
Aluminum foil series % 1235/1070 roll by roll Aluminum 99.9
Foil state H16,H18
Product thickness um 15 roll by roll 15
Product areal density g/m2 40-45 roll by roll 42-43
Outlet method Electrochemical exit
Hole shape Through hole, burr free
Product width mm 0-1000
Pore density number Aperture um The area density is lower than that of the base material%
Pieces/cm2 200-800 5-40 0.1-2.54
Pieces/cm2 800-1500 5-40 0.2-3.96
Pieces/cm2 1500-2000 5-40 0.3-4.95
Pieces/cm2 2000-3000 5-40 0.3-6.5
Hole spacing Um 60-100 80 80
Hole Consistency % 80-90 roll by roll 85
Tensile strength Mpa 100-260 roll by roll 160
Elongation % 0.5~2.42 roll by roll 1.4
Resistivity μΩ.cm GB/T228.1-2010 roll by roll 2.85
wettability Dyne value 40 roll by roll 40