Durability of membrane electrode assemblies under polymer electrolyte fuel cell cold-start cycling

Keyphrases

• Proton Exchange Membrane Fuel Cell (PEMFC) 100%
• Membrane Electrode Assembly 100%
• Cathode Catalyst Layer 37%
• Interfacial Delamination 25%
• Catalyst Layer 25%
• Diffraction 12%
• Transmission Electron Microscopy 12%
• X-ray 12%
• Densification 12%
• Cross-sectional Sample 12%
• Microstructural 12%
• Degradation Mechanism 12%
• Current Density 12%
• Experimental Protocol 12%
• Degradation Process 12%
• Mitigation Strategies 12%
• Catalytic Membrane 12%
• Gas Purge 12%
• Durability Test 12%
• Pt Dissolution 12%
• Thermal Mass 12%
• Ice Fraction 12%
• Pore Densification 12%
• Pt Particles 12%
• Pore Collapse 12%
• Electrochemical Diagnostics 12%
• Particle Coarsening 12%
• Interfacial Catalyst 12%
• Mild Degradation 12%
• Perfluorosulfonic Acid Ionomer 12%
• Start-up Current 12%
• Cold-start Condition 12%
• High-frequency Resistance 12%

Engineering

• Membrane Electrode Assembly 100%
• Proton-Exchange Membrane Fuel Cells 100%
• Cold Start 100%
• Catalyst Layer 55%
• Densification 22%
• Delamination 22%
• Key Parameter 11%
• Degradation Mechanism 11%
• Ionomer 11%
• Degradation Process 11%
• Mitigation Strategy 11%
• Perfluorosulfonic Acid 11%
• Purge Gas 11%
• Melting Point 11%
• X Ray Diffraction 11%
• Thermal Mass 11%

Chemical Engineering

• Cathode Catalyst Layer 100%
• Ionome 33%