2009 – Lime

Evolution of Permanent Deformation (or Memory) in Nafion 117 Membranes with Changes of Temperature, Relative Humidity and Time and Its Importance for the Development of Medium Temperature PEMFCs

An important problem for medium temperature polymer electrolyte fuel cells (MT PEMFCs) operating in the temperature range 90–140 °C is the…

Proton Conducting Hybrid Membranes Based on Aromatic Polymers Blends for Direct Methanol Fuel Cell Applications

Composite membranes made‐up of sulphonated polyetheretherketone (SPEEK, DS = 0.5) and of a sulphonated and silylated hybrid organic–inorganic derivative of polyphenylsulphone (SiSPPSU,…

Analysis of Temperature-Promoted and Solvent-Assisted Cross-Linking in Sulfonated Poly(Ether Ether Ketone) (SPEEK) Proton-Conducting Membranes

Sulfonated poly(ether ether ketone) (SPEEK) membranes were thermally treated at temperatures between 120 and 160 °C. Water uptake measured at…

Self-Assembled Nanocomposite Organic-Inorganic Proton Conducting Sulfonated Poly-Ether-Ether-Ketone (SPEEK)-Based Membranes: Optimized Mechanical, Thermal and Electrical Properties

Mechanical, thermal and electrical properties of polymer blends of SPEEK with 7% SiPPSU are reported. Presence of silicon stabilizes the…