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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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Hydrogen Fuel Cell Membrane Electrode Assembly (MEA) for Proton Exchange Membrane MEA, based on CCM Technique, is the key assembly of PEMFC, is the heart of Hydrogen Fuel Cell, is the right place of chemical material converting into electric energy.MEA which reach an advanced level around the world, and win Geneva International Invention Award. 5-Layer Membrane Electrode Assembly (MEA) with integrated Gas Diffusion Layers (GDL) for use in Hydrogen/Air Fuel Cells. One of the most economical and cost effective MEAs on the market.
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Composite isostatic graphite bipolar plates are high-performance core components for fuel cells, manufactured using isostatic pressing technology and composite graphite materials. Designed specifically for proton exchange membrane fuel cells (PEMFCs), these plates offer excellent electrical conductivity, corrosion resistance, and gas barrier properties.
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