In this subproject catalysts based on metals supported on inorganic oxides will be prepared with mechanochemical methods and their capacity to transform the methane molecule (natural gas) and for the photocatalytic production of hydrogen as an energy vector will be studied. We will study the preparation of Pd-CeO2 catalysts in detail as well as Pd-M-CeO2 bimetallic systems to achieve robust catalysts in the transformation of natural gas, and catalysts with transition metals supported on TiO2 for the photocatalytic production of hydrogen. Among other variables to be considered, supports with different morphology will be used to study the effect of the crystallographic planes exposed on the mechanochemical synthesis and on the catalytic behaviour of the resulting materials, as well as preformed metal nanoparticles with well-known properties. The main objectives pursued in the transformation of the methane molecule is twofold, on one hand it is interesting to develop effective catalysts to achieve complete combustion in the control of atmospheric emissions from combustion engines and gas boilers, while on the other hand the development of effective catalysts in the conversion of natural gas into compounds of energetic interest, such as methanol, is intended. As we have demonstrated recently, mechanochemical methods offer the possibility of creating catalysts with new active sites that show unique properties and behaviours, which are inaccessible with conventional preparation methods. This project will also study the active sites prepared using the mechanochemical technique with microscopic and insitu spectroscopic methods, such as infrared spectroscopy, Raman spectroscopy and X-ray photoelectron spectroscopy. It is intended to understand the catalytic phenomenon that takes place with these innovative catalysts and, with this information, improve the design of more efficient and robust catalysts for energy applications.
Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020
Programa Estatal de I+D+i Orientada a los Retos de la Sociedad