1. Full-face microporous aluminum foil: no rib and full-width rib
2. Rib microporous aluminum foil: According to the battery design, it can meet the requirements of the rib, and can be divided into the following three types: side rib on both sides, two sides + middle rib, multi-width rib
The technical requirements of the rib: in the rib series products, the micropore density of the rib part should be less than 10% of the effective hole-forming hole density.
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%
