Based on the carbon fiber reinforced composite flexible graphite bipolar plate, by extending the internal carbon fiber framework, the middle area becomes the graphite reaction zone, while the surrounding areas are the plastic weldable zones.
| Name | Unit | Carbon fiber reinforced composite flexible graphite bipolar plate with welded edge |
| Thickness | mm | 0.6/0.8 |
| Density | g/cm³ | 1.4-1.6 |
| Width | mm | ≤850 |
| Length | mm | ≤1300 |
| Extension strength | Mpa | ≥50 |
| Compressive strength | Mpa | ≥100 |
| Conductivity in the conductive area | S/cm | ≥300 |
| Electrical conductivity in the welding area | S/cm | 0 |
| Carbon content | % | ≥80 |
| Hydrogen transmission rate(0.2Mpa) | cm3/cm2·min | <5x10-6 |
| Corrosion current | A | <5x10-6 |