CeTech Carbon Paper-GDL

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CeTech Carbon Paper-GDL

CeTech Carbon Paper-GDL

Product Description
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Product Overview

CeTech Carbon Paper Gas Diffusion Layers (GDL) are high-performance carbon fiber-based materials designed for efficient gas transport, electron conduction, and water management in electrochemical energy systems.
The CeTech GDL series is manufactured using high-strength carbon fiber paper as the substrate, combined with a hydrophobic microporous layer (MPL) and uniform PTFE treatment.
This structure provides excellent electrical conductivity, gas diffusivity, mechanical strength, and chemical stability.
CeTech GDLs are widely used in fuel cells, water electrolysis, metal–air batteries, and various gas diffusion electrochemical systems, offering stable and reproducible performance for laboratory research and industrial development.

Key Features

• High-strength carbon fiber paper substrate
• Hydrophobic microporous layer (MPL) coating
• Uniform PTFE treatment for effective water management
• Low interfacial contact resistance
• Excellent gas diffusion performance
• High chemical corrosion resistance
• Suitable for long-term electrochemical operation

Typical Applications

• Proton Exchange Membrane Fuel Cells (PEMFC)
• Direct Methanol Fuel Cells (DMFC)
• Water Electrolysis for Hydrogen Production
• Hydrogen sensors and electrochemical gas devices
• Metal–air batteries (Zn–air, Al–air, etc.)
• Gas diffusion electrodes (GDE) systems
• Electrochemical gas separation and transport studies

Model Selection & Technical Specifications

Physical & Electrical Properties

Model Thickness Basis Weight Air Permeability Area Resistance
GDL120S 0.12 mm 80 g/m² < 100 < 15 mΩ·cm²
GDL210S 0.21 mm 85 g/m² < 225 < 15 mΩ·cm²
GDL210SHT 0.21 mm 85 g/m² < 225 < 10 mΩ·cm²
GDL240 0.24 mm 90 g/m² < 85 < 15 mΩ·cm²
GDL280 0.28 mm 100 g/m² < 200 < 10 mΩ·cm²
GDL340 0.34 mm 125 g/m² < 200 < 10 mΩ·cm²

Mechanical Strength & Surface Treatment

Model Tensile Strength (MD/XD, N/cm) PTFE Treatment Microporous Layer (MPL)
GDL120S 20 / 15 Yes Yes
GDL210S 35 / 17 Yes Yes
GDL210SHT 35 / 17 Yes Yes
GDL240 30 / 18 Yes Yes
GDL280 37 / 33 Yes Yes
GDL340 45 / 36 Yes Yes

Available Sizes

Standard cutting options include:
• 5 × 5 cm
• 10 × 10 cm
• 20 × 20 cm
• 30 × 30 cm
• 40 × 40 cm
Custom dimensions, shapes, and batch cutting services are available upon request.

Handling & Usage Guidelines

• Always wear clean gloves when handling carbon paper to prevent contamination from oil or sweat, which may affect hydrophobic performance.
• Cutting is recommended using sharp blades or laser cutting to avoid carbon fiber fraying.
• Avoid prolonged exposure to strong acids, strong alkalis, or open flame at high temperature.
• During fuel cell or electrolyzer assembly, ensure intimate contact between carbon paper and catalyst layer to minimize contact resistance.

Storage & Transportation

• Store in a clean, dry, and dust-free environment. • Recommended storage temperature: 5–30 °C • Relative humidity: < 60% • Avoid compression, folding, or bending to prevent cracks or performance degradation. • Keep unused materials sealed in original packaging after opening.

Why Choose FrankLab

FrankLab supplies electrochemical materials selected and verified by electrochemists.
We focus on:
• Stable material performance
• Clear technical parameters
• High reproducibility between batches
• Compatibility with real electrochemical research workflows
Our products are widely used by universities, research institutes, and industrial R&D teams worldwide.

For Custom Orders or Technical Inquiries

If you have custom size requirements or need further technical support, please contact us:
📧 support@franklab.shop

 

FrankLab offers worldwide shipping.Orders are normally shipped from our facility in Hangzhou, China within 1-2 business days after the payment is made. It is very important that the correct shipping address is entered at checkout. We are not responsible for incorrect or undeliverable addresses.

 

Shipping Fees

Orders below USD 499 : Shipping fee of USD 14.90

Orders USD 499 and above: Free worldwide shipping

 

Large Orders & Bulk Discounts

For orders over USD 3,000, please contact our customer support team to check special pricing or potential bulk discounts before placing your order.

IMPORTANT: All goods must be inspected immediately upon delivery. Any shipping damage, missing items, or product defects must be reported to both Franklab team and the shipping carrier within 24 hours of delivery. Failure to report issues within this timeframe may result in your claim being denied. Please retain all original packaging materials, as they may be required for filing a damage claim. 

Contact Us

For shipping, returns, or bulk order inquiries, please contact:
support@franklab.shop

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