HCP120 carbon paper (with filling layer)

This HCP120 carbon paper from Shanghai Heson is developed as a gas diffusion layer for electrochemical research, particularly suited for fuel cells and lithium-air cells operating in acidic electrolytes. Featuring an integrated filling layer, it offers a controlled balance of gas permeability and water management, with a thickness of 0.22 mm and a density of 0.83 g/cm³. The material maintains an area-specific resistivity of ≤23 mΩ·cm² and an air resistance exceeding 20 mmH₂O, contributing to consistent reactant distribution and current collection. Its flexible carbon paper structure withstands bending radii above 10 cm, facilitating integration into lab-scale cell assemblies. Common applications include use as an electrode substrate or diffusion medium in proton exchange membrane fuel cells, direct methanol fuel cells, and metal-air batteries requiring stable performance under wet or acidic conditions.