Mese: Settembre 2019

Lecture: Ion conducting polymers for fuel cells

Riccardo Narducci Programme General aspects of the fuel cells. General aspects of polymers. Characterization techniques: conductivity / impedance, water uptake, definition of lambda, mechanical properties, Young’s modulus, dynamic mechanical analysis (DMA), differential scanning calorimetry (DSC), ionomer nc analysis (INCA Method). Thermal and cross-link treatments. Proton conducting ionomers: perfluorosulfonic acid (PFSA), long side chain (LSC) Nafion, …

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Lecture: Corrosion of Metallic Materials

Annalisa Acquesta Programme General introduction of corrosion phenomena. Corrosion mechanisms, principles of electrochemistry. Thermodynamics: Nerst equation, corrosion tendency and electrode potentials, Pourbaix diagrams. Kinetics: polarization and corrosion rate, causes of polarization.  Active-to-passive metals. Corrosion morphologies, crevice corrosion, pitting, stress corrosion, corrosion fatigue, intergranular corrosion, hydrogen embrittlement. Effect of metallurgical, mechanical, microbiological and environmental factors. Electrochemical …

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