Ex-situ characterisation of gas diffusion layers for proton exchange membrane fuel cells

Physics & Astronomy

• gaseous diffusion 100%
• fuel cells 90%
• membranes 57%
• protons 50%
• characterization 43%
• permeability 17%
• porosity 14%
• electrical resistivity 8%
• hydrophobicity 7%
• contact resistance 6%
• roughness 5%
• electrical properties 4%
• mechanical properties 4%

Engineering & Materials Science

• Diffusion in gases 97%
• Proton exchange membrane fuel cells (PEMFC) 85%
• Polytetrafluoroethylenes 26%
• Porosity 20%
• Substrates 16%
• Hydrophobicity 10%
• Contact resistance 8%
• Electric properties 8%
• Fuel cells 6%
• Surface roughness 6%
• Temperature 6%
• Mechanical properties 5%

Chemistry

• Diffusion 48%
• Gas 41%
• Permeability 18%
• Micro Porosity 14%
• Porosity 13%
• Contact Resistance 9%
• Hydrophobicity 6%
• Electrical Property 6%
• Plate Like Crystal 6%
• Surface 2%