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What Are You Looking For?
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100Product Features
1. Material Characteristics
Composite graphite substrate: Combines high-purity graphite with reinforcing materials, ensuring both superior conductivity and mechanical strength.
Isostatic pressing: Uniform material density and a defect-free, dense structure achieved through high-pressure isostatic molding.
Surface modification: Special surface treatment enhances contact conductivity and corrosion resistance.
2. Performance Advantages
High conductivity: In-plane resistivity <10 mΩ·cm, low contact resistance, improving fuel cell efficiency.
Excellent gas tightness: Gas permeability <1×10⁻⁹ cm³/cm²·s·Pa, effectively preventing gas crossover.
Strong corrosion resistance: Long-term stability in acidic environments with extended service life.
High mechanical strength: Flexural strength >50 MPa, meeting stack pressure requirements.
Lightweight design: Density 1.8-2.2 g/cm³, 30% lighter than traditional metal bipolar plates.
3. Structural Features
Precision flow field design: Optimized serpentine, parallel, or interdigitated flow channels ensure uniform gas distribution.
Ultra-thin design: Thickness as low as 1.0-2.0 mm, increasing stack power density.
Integrated structure: Reduces sealing interfaces, minimizing leakage risks.
Parameters
| Item | Unit | Specifications |
| Density | g/cm³ | ≥2.0 |
| Electrical resistivity | μΩm | ≤10 |
| Bending strength | Mpa | >60 |
| Compressive strength | Mpa | >130 |
| Shore hardness | HSD | >70 |
| Boundary-layer thickness | mm | ≥0.3 |
| Air permeability(@220kpag) | Sccm | <0.1 |
| Working life | h | >30000 |
Multiple Usage Scenarios
Stationary fuel cell power generation systems
Portable fuel cell power supplies
Aerospace fuel cell systems
Special-purpose fuel cells
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