Investigation of PEMFC operation above 100 °C employing perfluorosulfonic acid silicon oxide composite membranes

Engineering & Materials Science

• Composite membranes 100%
• Silicon oxides 99%
• Proton exchange membrane fuel cells (PEMFC) 76%
• Acids 62%
• Membranes 58%
• Current density 19%
• Polymers 14%
• High temperature operations 13%
• Sol-gels 12%
• Water management 12%
• Fourier transform infrared spectroscopy 12%
• Impregnation 11%
• Thermal cycling 11%
• Gels 10%
• Oxygen 7%
• Hydrogen 7%
• Scanning electron microscopy 7%
• Gases 5%
• Temperature 3%
• Experiments 3%

Physics & Astronomy

• fuel cells 80%
• silicon oxides 72%
• acids 62%
• membranes 50%
• protons 45%
• composite materials 42%
• water management 6%
• gels 6%
• current density 5%
• siloxanes 5%
• polymers 4%
• high current 3%
• infrared spectroscopy 3%
• reflectance 2%
• cycles 2%
• scanning electron microscopy 2%
• hydrogen 2%
• oxygen 2%
• temperature 2%
• gases 2%
• performance 1%

Chemical Compounds

• Silicon Oxide 85%
• Composite Material 34%
• Acid 24%
• Current Density 14%
• Sol-Gel Processing 12%
• Thermal Cycling 12%
• Atr-Ftir Spectroscopy 11%
• Pressure 11%
• Weight 10%
• Siloxane 10%
• Impregnation 8%
• Time 7%
• Scanning Electron Microscopy 5%
• Gas 5%
• Hydrogen 5%
• Purity 4%
• Dioxygen 4%
• Liquid Film 4%