Listar QICM - Contribuciones a congresos científicos por título
Mostrando ítems 111-130 de 209
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New Multifunctional Lanthanide and Zr(IV) Phosphonates Derived from the 5-(dihydroxyphosphoryl) Isophthalate Ligand as Proton Conductors
(2019-06-06)Metal phosphonates are essentially acidic solids featured by groups such as P-OH, -COOH, etc. Moreover, the presence of coordination and lattice water molecules favors the formation of H-bond networks, which make these ... -
New multifunctional sulfonato-containing metal phosphonates proton conductors
(2018-10-01)Anchoring of acidic functional groups to organic linkers acting as ligands in metal phosphonates has been demonstrate to be a valid strategy to develop new proton conductor materials, which exhibit tunable properties and ... -
New Multifunctional Zirconium(IV) Phosphonates Derivativesas Proton Conductors and Catalysts
(2023)Coordination polymers based in phosphonic acid display a wide range of metalcoordination modes. Moreover, the existence of acidic P-OH groups in their structure, as well as of others functionalized organic group such as ... -
Novel microstructural strategies to enhance the electrochemical performance of La0.8Sr0.2MnO3-δ cathodes
(2015-07-13)Solid oxide fuel cells (SOFCs) are one of the most efficient technologies for direct conversion of fuels to electricity. La0.8Sr0.2MnO3-δ (LSM) is the cathode material most widely used in SOFCs [1], however, LSM exhibits ... -
Obtención de 5-hidroximetilfurfural a partir de agarosa y galactosa usando nanoesferas de sílica-alúmina.
(2023)En los últimos años, existe un gran interés en la obtención de moléculas plataforma mediante el uso de materias primas renovables. El 5-hidroximetilfurfural (HMF), una de estas moléculas plataforma, es un compuesto valioso ... -
Obtención de acroleína mediante la deshidratación de glicerol en presencia de Al-SBA-15
(2015-09-02)Hoy en día es necesaria la búsqueda de nuevas aplicaciones a los excedentes de glicerol provenientes de la industria del biodiésel, siendo su deshidratación a acroleína, un intermedio muy importante y versátil en la industria ... -
La odisea de medir PDF con un difractómetro “convencional”
(2022)En esta ponencia se presenta la puesta a punto del difractómetro D8 Advance (Bruker S.L.) para la adquisición de datos de laboratorio de PDF (Pair Distribution Function) junto con los resultados obtenidos. -
One step synthesis of nanocomposite electrodes for reversible electrochemical cells.
(2023)The irregular and seasonal disposition of renewable energy requires advanced devices for energy storage and conversion. Reversible electrochemical cells can address this approach by operating as both electrolyzer and fuel ... -
Optimización de KIT6-Zr sulfatado para la obtención de isosorbida
(2018-07-02)En los últimos años, el desarrollo de nuevos procesos catalíticos para la transformación de azúcares está situando a la biomasa lignocelulósica en un lugar privilegiado como materia prima sostenible y renovable para la ... -
Pair distribution function as a tool to characterize C-S-H gels
(2021)Portland cement (PC) is the most manufactured product in the world. However, cement industry is one of the major contributors for greenhouse gas emissions. For every ton of grey PC clinker, around 0.87 CO2 tons are released ... -
Pair distribution function studies in cementitious systems
(2017-10-24)The analysis of amorphous/nanocrystalline phase(s) within cement matrices that contain high amounts of crystalline phase(s) is very challenging. Synchrotron techniques can be very useful to characterize such complex samples.1 ... -
Paleoclimatic records from the Fuente Nueva 1 section (Orce, Guadix-Baza Basin, NE Granada, Spain): preliminary mineralogical data
(Selahattin Kadir, Paul A. Schroeder, Asuman Tükmenoglu, Fahri Esenli, Emin Ciftçi, 2022-07-29)The mineralogical study of 45 samples collected from the Fuente Nueva 1 (FN1) section (Orce, NE Granada, Spain) has been carried out using X-ray diffraction data on bulk powder and <2 m fraction to the establishment the ... -
Phase Composition and Transport Properties of oxide ion conductors based on Sr1-xKxGeO3-x/2
(2015-07-13)Oxide ion conductors have been increasingly studied because of their potential applications in different electrochemical devices, such as, oxygen sensors, membranes for oxygen separation and components of fuel cells. Solid ... -
Photocatalytic behavior of phosphonate-based hybrid materials on dyes and phenols degradation
(2013-09-25)There is increasing interest in using heterogeneous catalysis for mineralization of organic pollutants. Within Advanced Oxidation Processes (AOPs), Photo-Fenton reaction is one of the most efficient methodologies. To ... -
Porous aluminosilicates as acid catalysts for glucose dehydration to 5-hydroxymethylfurfural
(2015-05-12)In the present work, the catalytic behavior of micro- and mesoporous aluminosilicates in glucose dehydration is compared. In this sense, different commercial zeolites (Beta, Y and ZSM-5, in their protonic form) and ... -
Portland cement pastes analysed by synchrotron and laboratory X-ray imaging
(2020)Portland Cement (PC) is the most used construction material and the derived building materials have very complex hierarchical microstructures. Quantitative characterization of their microstructures is of paramount importance ... -
Preparation and characterization of phosphorus-containing electrocatalyst for OER, HER and ORR.
(2022-11)Phosphorus-based materials, such as transition metal phosphides and phosphates/pyrophosphates, have drawn considerable attention as promising alternatives to noble metal-based catalysts (Pt, Ru, Ir) owing to their widely ... -
Preparation of N-doped Carbon/Metal Phosphides as Promising Trifunctional Electrocatalysts Toward the OER, ORR and HER
(2022-07-27)Sustainable energy storage and conversion technologies, such as electrochemical water splitting and fuel cells, attracts increasing attention as alternative processes to advance toward a global decarbonation. However, the ... -
Processing and characterisation of Calcium SulfoAluminate (CSA) eco-cements coated with a hybrid organo-inorganic material for photocatalytic applications
(2015-07-27)On the one hand, Calcium SulfoAluminate (CSA) eco-cements are receiving increasing attention since their manufacture produces up to 40% less CO2 than ordinary Portland cement (OPC). In addition, they show interesting ... -
Processing and characterisation of calcium sulphoaluminate ecocements containing Microencapsulated Phase Change Materials
(2018-07-17)Calcium SulphoAluminate (CSA) cements can be considered as ecocements, since their production releases up to 40% less CO2 than Ordinary Portland Cement (OPC) [1]. In addition, Microencapsulated Phase Change Materials (MPCM) ...