Carbon Paper - High-Performance Gas Diffusion Layer
Excellent Hydrophilicity · High Conductivity · Customizable Dimensions
Market Background
With the rapid development of hydrogen energy industry and electrochemical technology, the demand for carbon paper as a core material for gas diffusion layers (GDL) is surging. In electrochemical devices such as fuel cells, electrolyzers, and CO₂ reduction systems, carbon paper plays critical roles in gas transport, current collection, and catalyst layer support.
According to industry trends, the high-performance carbon paper market is expected to continue growing, particularly with expanding applications in new energy vehicles, energy storage systems, and industrial electrolysis.
Product Categories
We offer two main categories of carbon paper products: Hydrophilic Carbon Paper for enhanced water management and Modified Carbon Paper (Helite™ GDL-X Series) for superior performance optimization. Each category is specifically designed to meet different application requirements and performance standards.
🌊 Hydrophilic Carbon Paper
Superior Water Management
Optimized hydrophilic treatment for enhanced water transport and removal
High Conductivity
Excellent electrical conductivity with minimal contact resistance
Precise Pore Structure
Controlled porosity for optimal gas diffusion performance
Key Applications:
- Proton Exchange Membrane Fuel Cells (PEMFC)
- Direct Methanol Fuel Cells (DMFC)
- Electrolysis Systems
- Energy Storage Applications
Technical Specifications:
| Product Model | Thickness (μm) | Basis Weight (g/m²) | Surface Resistance (mΩ·cm) | Tensile Strength (N/cm) | Application |
|---|---|---|---|---|---|
| FCCP-150T | 150±15 | 45±5 | 6±2 | >40 | Fuel Cells, Electrolyzers |
| FCCP-200T | 200±20 | 60±6 | 8±2 | >45 | High Current Density Applications |
| FCCP-250T | 250±25 | 75±8 | 10±3 | >50 | Industrial Electrolysis |
| FCCP-310T | 310±30 | 95±10 | 12±3 | >55 | Heavy-duty Applications |
🚀 Modified Carbon Paper (Helite™ GDL-X Series)
Helite™ GDL-X Series represents our latest breakthrough in carbon paper technology, featuring advanced surface modification and optimized microstructure design for superior fuel cell performance.
🎯 Enhanced Mass Transport
Optimized pore structure reduces mass transport limitations and improves overall cell efficiency
💪 Superior Durability
Advanced carbon treatment ensures long-term stability under harsh operating conditions
⚖️ Balanced Hydrophobicity
Precisely controlled surface properties for optimal water management
🔧 Customizable Properties
Flexible modification options to meet specific application requirements
Technical Specifications:
| Product Model | Thickness (μm) | Basis Weight (g/m²) | Surface Resistance (mΩ·cm) | CO Selectivity | Application |
|---|---|---|---|---|---|
| GDL-X1 | 180±18 | 55±6 | 5±1 | >95% | CO₂ Reduction Systems |
| GDL-X2 | 220±22 | 68±7 | 6±1 | >97% | High-efficiency CO₂ Electrolysis |
| GDL-X3 | 280±28 | 85±9 | 8±2 | >98% | Industrial CO₂ Conversion |
Product Value
- Excellent Performance: Strong hydrophilicity, uniform electrolyte distribution, high electrochemical reaction efficiency
- High Conductivity: Surface resistance as low as 6 mΩ·cm, suitable for gas diffusion electrodes
- Customization Service: Thickness 150-310μm optional, customizable dimensions to meet different application requirements
- Wide Applications: Suitable for fuel cells, electrolyzers, supercapacitors, CO₂ reduction and other fields
Core Technical Advantages
Excellent Hydrophilicity
Improves electrolyte distribution, enhances electrochemical reaction efficiency, ensures effective transport of gases and liquids
High Conductivity
Surface resistance <10 mΩ·cm, ideal gas diffusion electrode material, suitable for CO₂ reduction systems
High Porosity
Porosity up to 77%, ensures smooth gas flow, optimizes mass transfer performance
Excellent Mechanical Strength
Tensile strength >40 N/cm, strong corrosion resistance, suitable for long-term stable operation
Hydrophilic Carbon Paper Technical Parameters
| Parameter | Specification | Unit | Test Method |
|---|---|---|---|
| Thickness | 100-400 | μm | Micrometer |
| Porosity | 75-85 | % | Mercury Intrusion |
| Gas Permeability | ≥50 | ml/(cm²·min·kPa) | Gurley Method |
| Electrical Resistivity | ≤15 | mΩ·cm² | Four-point Probe |
| Contact Angle (Hydrophilic) | 30-60 | ° | Sessile Drop |
| Water Uptake Rate | ≥80 | % | Immersion Test |
| Operating Temperature | -40 to +80 | °C | Environmental Test |
Modified Carbon Paper Series Performance Comparison
| Performance Indicator | Standard Carbon Paper | Helite™ GDL-1 | Improvement |
|---|---|---|---|
| Gas Permeability | 50 ml/(cm²·min·kPa) | 75 ml/(cm²·min·kPa) | +50% |
| Electrical Resistivity | 15 mΩ·cm² | 8 mΩ·cm² | -47% |
| Water Management Efficiency | Standard | Enhanced | +30% |
| Durability (Cycles) | 5,000 | 8,000 | +60% |
| Temperature Stability | -40~80°C | -40~90°C | Extended Range |
Contact for Consultation
Professional technical support team provides customized solutions