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.
| 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 |
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