Obiettivo Fuel cells are an advanced renewable electrochemical device capable of converting chemical energy to electrical energy. In the quest to make the fuel cells a competitive force, one of the major limitations is still to reduce the overpotential of the oxygen reduction reaction (ORR) at the cathode electrode. Currently, Pt and Pt-based nanoparticles (NPs) are still indispensable, proving to be the most effective catalyst for ORR. However, the high cost of Pt catalyst, together with its limited reserves in nature, has precluded the large-scale commercialization of fuel cells. Another big issue is the poor durability of Pt NP catalyst in the cell’s harsh operating alkaline or acidic environment. In this project, based on the excellent chemical and physical properties of graphene and ionic liquid, the designed synthesis of high-performance graphene/multimetal composite catalysts with very high ORR activity and durability through the introduction of IL into composite catalysts was proposed. First, new organic-phase or aqueous-phase synthesis methods for the controlled synthesis of high-quality multimetal Pt-based alloy, core/shell and dumbbell NPs or nanowires will be developed. The effect of composition, shape, core/shell structure and interface synergy of different multimetal nanomaterials on their ORR catalytic activity and stability will be studied. Then, in order to further enhance ORR performance of multimetal nanomaterials, we will engineer graphene/mutilmetal composite nanosheet with ionic liquid. The introduction of ionic liquid and graphene will have great opportunity for reducing the ORR overpotential and enhancing the ORR activity. Our final aim is to realize high-performance composite nanocatalysts with very high activity and stability for ORR that are superior in performance to all the existing materials. Campo scientifico engineering and technologynanotechnologynano-materialstwo-dimensional nanostructuresgrapheneengineering and technologymaterials engineeringcompositesnatural scienceschemical sciencescatalysiselectrocatalysisengineering and technologyenvironmental engineeringenergy and fuelsfuel cells Programma(i) FP7-PEOPLE - Specific programme "People" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013) Argomento(i) FP7-PEOPLE-2012-IIF - Marie Curie Action: "International Incoming Fellowships" Invito a presentare proposte FP7-PEOPLE-2012-IIF Vedi altri progetti per questo bando Meccanismo di finanziamento MC-IIF - International Incoming Fellowships (IIF) Coordinatore THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD Contributo UE € 231 283,20 Indirizzo WELLINGTON SQUARE UNIVERSITY OFFICES OX1 2JD Oxford Regno Unito Mostra sulla mappa Regione South East (England) Berkshire, Buckinghamshire and Oxfordshire Oxfordshire Tipo di attività Higher or Secondary Education Establishments Contatto amministrativo Gill Wells (Mr.) Collegamenti Contatta l’organizzazione Opens in new window Sito web Opens in new window Costo totale Nessun dato