Enviaments recents

  • CO oxidation and COPrOx over preformed Au nanoparticles supported over nanoshaped CeO2 

    Soler Turu, Lluís; Casanovas Grau, Albert; Urrich, Aitor; Angurell Purroy, Inmaculada; Llorca Piqué, Jordi (2016-02-10)
    Article
    Accés restringit per política de l'editorial
    Au/CeO2 (0.25% wt. Au) catalysts were prepared by anchoring preformed Au nanoparticles over ceria polycrystals, cubes and rods and tested in the oxidation of CO and COPrOx. The use of preformed Au nanoparticles assured a ...
  • Nuclear data activities at the n_TOF facility at CERN 

    Gunsing, Frank; Aberle, O.; Andrzejewski, Józef; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Riego-Pérez, albert; Tarifeño Saldivia, Ariel Esteban (2016-10-21)
    Article
    Accés obert
    Nuclear data in general, and neutron-induced reaction cross sections in particular, are important for a wide variety of research fields. They play a key role in the safety and criticality assessment of nuclear technology, ...
  • Be-7(n,alpha)He-4 reaction and the cosmological lithium problem: measurement of the cross section in a wide energy range at n_TOF at CERN 

    Barbagallo, Massimo; Musumarra, A.; Cosentino, L.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere; Tarifeño Saldivia, Ariel Esteban (2016-10-03)
    Article
    Accés obert
    The energy-dependent cross section of the Be7(n,alpha)He4 reaction, of interest for the so-called cosmological lithium problem in big bang nucleosynthesis, has been measured for the first time from 10 meV to 10 keV neutron ...
  • Dynamic modeling of pure hydrogen production via bio-ethanol steam reforming in a catalytic membrane reactor 

    Hedayati, Ali; Le Corre, Oliver; Lacarriere, Bruno; Llorca Piqué, Jordi (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Ethanol steam reforming was performed in a catalytic membrane reactor (CMR) containing Pd-Ag membrane tubes selective to hydrogen and Pd-Rh/CeO2 catalyst. Experiments were performed at 923 K, 6-10 bar, and fuel flow rates ...
  • The CERN n_TOF facility: a unique tool for nuclear data measurement 

    Mingrone, Federica; Aberle, O.; Andrzejewski, Józef; Audouin, Ludmila; Bécares, Vicente; Bacak, M.; Barbagallo, Massimo; Barros, S.; Becvar, F.; Beinrucker, C.; Berthoumieux, Eric; Billowes, J.; Calviño Tavares, Francisco; Casanovas Hoste, Adrià; Cortés Rossell, Guillem Pere (2015)
    Text en actes de congrés
    Accés obert
    The study of the resonant structures in neutron-nucleus cross-sections, and therefore of the compoundnucleus reaction mechanism, requires spectroscopic measurements to determine with high accuracy the energy of the neutron ...
  • Three-dimensional ruthenium-doped TiO2 sea urchins for enhanced visible-light-responsive H-2 production 

    Thuy Duong, Nguyen-Phan; Luo, Si; Vovchok, Dimitriy; Llorca Piqué, Jordi; Sallis, Shawn; Kattel, Shyam; Xu, Wenqian; Piper, Louis F. J.; Poliansky, Dimitry E.; Senanayake, Sanjaya D.; Stacchiola, Darío J.; Rodriguez, Jose A. (2016-06-21)
    Article
    Accés restringit per política de l'editorial
    Three-dimensional (3D) monodispersed sea urchin-like Ru-doped rutile TiO2 hierarchical architectures composed of radially aligned, densely-packed TiO2 nanorods have been successfully synthesized via an acid-hydrothermal ...
  • First tests of the applicability of gamma-ray imaging for background discrimination in time-of-flight neutron capture measurements 

    Perez Magan, D. L.; Caballero Ontanaya, L.; Domingo Pardo, César; Agramunt Ros, Jorge; Albiol, F.; Casanovas Grau, Albert; Gonzalez, A.; Guerrero, C.; Lerendegui Marco, J.; Tarifeño Saldivia, Ariel Esteban (2016-07-01)
    Article
    Accés obert
    In this work we explore for the first time the applicability of using gamma-ray imaging in neutron capture measurements to identify and suppress spatially localized background. For this aim, a pinhole gamma camera is ...
  • Dynamic modeling and controllability analysis of an ethanol reformer for fuel cell application 

    García, Vanesa Mariel; Lopez Null, Eduardo; Serra, Maria; Llorca Piqué, Jordi; Riera Colomer, Jordi (2010-09)
    Article
    Accés obert
    This work presents a controllability analysis of a low temperature ethanol reformer based on a cobalt catalyst for fuel cell application. The study is based on a nonlinear dynamic model of ...
  • In situ photoelectron spectroscopy study of ethanol steam reforming over RhPd nanoparticles and RhPd/CeO2 

    Jiménez Divins, Nuria; Llorca Piqué, Jordi (2016-05-25)
    Article
    Accés restringit per política de l'editorial
    In situ X-ray photoelectron spectroscopy (XPS) was carried out over model Rh0.5Pd0.5 nanoparticles and Rh0.5Pd0.5 nanoparticles supported on CeO2 following exposure to oxygen at 573-823 K, to hydrogen at 573 K (activation ...
  • Silicone microreactors for the photocatalytic generation of hydrogen 

    Castedo Rodríguez, Alejandra; Mendoza Gómez, Ernesto; Angurell Purroy, Inmaculada; Llorca Piqué, Jordi (2016-09-15)
    Article
    Accés restringit per política de l'editorial
    A silicone microreactor with 500 mu m-width microchannels coated with a Au/TiO2 photocatalyst was manufactured and tested for the photocatalytic generation of hydrogen from gaseous water-ethanol mixtures under dynamic ...

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