Carbon Fiber Paper Gas Diffusion Layer (GDL)

Cat No:FCSM-0002

Description

This high-porosity carbon fiber paper serves as a critical interface between the catalyst layer and the bipolar plate, optimized for effective gas transport, water management, and electrical contact.

Datasheet

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Basic Information

Material Composition	Polyacrylonitrile (PAN) Carbon Fiber
Thickness (μm)	280
Density (g/cm³)	0.45
Surface Resistance (mΩ·cm²)	< 10
Tensile Strength (MPa)	35
Thermal Conductivity (W/m·K)	1.5
Porosity (%)	78
Operating Temp Max (°C)	250
Flexural Strength (MPa)	N/A
Corrosion Resistance (μA/cm²)	N/A
Contact Angle (°)	120 (PTFE treated)
Gas Permeability (cm³/cm²·s)	45
Coefficient of Thermal Expansion (10⁻⁶/K)	2.5
Shore Hardness	N/A
Water Uptake (%)	N/A
Ash Content (%)	< 0.05
Mean Pore Size (μm)	30
Compressive Strength (MPa)	1.2
Electrical Conductivity (S/cm)	250
Specific Surface Area (m²/g)	0.8
Young's Modulus (GPa)	8
Chemical Stability	Acid Stable
Coating Material	PTFE/MPL
Surface Roughness (Ra)	2.5

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