Enviaments recents

  • The influence of different wind and wave conditions on the energy yield and downtime of a Spar-buoy floating wind turbine 

    Lerch, Markus; Prada Gil, Mikel de; Molins i Borrell, Climent (2019-06)
    Article
    Accés restringit per política de l'editorial
    Floating offshore wind turbines (FOWT) have been extensively proven in model tests and are reaching currently a pre-commercial phase where large scale demonstrators are being built offshore. This transition increases the ...
  • Solar vanadium redox-flow battery powered by thin-film silicon photovoltaics for efficient photoelectrochemical energy storage 

    Urbain, Félix; Murcia López, Sebastián; Nembhard, Nicole; Vázquez Galván, Javier; Flox Donoso, Cristina; Smirnov, Vladimir; Welter, Katharina; Andreu, Teresa; Finger, Friedhelm; Morante Lleonart, Joan Ramon (Institute of Physics (IOP), 2018-11-15)
    Article
    Accés obert
    Solar-powered vanadium redox-flow batteries (VRFB) have emerged as an attractive method for large-scale and efficient energy storage and conversion. However, due to the stringent charging voltage requirements of vanadium-based ...
  • A wind farm control strategy for power reserve maximization 

    Siniscalchi Minna, Sara; Bianchi, Fernando Daniel; Prada Gil, Mikel de; Ocampo-Martínez, Carlos (Elsevier, 2019-02-01)
    Article
    Accés obert
    Nowadays, in many countries wind energy is responsible for a significant part of the electricity generation. For this reason, Transmission System Operators (TSOs) are now demanding the wind power plants (WPPs) to contribute ...
  • P-type c-Si solar cells based on rear side laser processing of Al 2O 3/SiC x stacks 

    Ortega Villasclaras, Pablo Rafael; Martín García, Isidro; López Rodríguez, Gema; Colina Brito, Mónica Alejandra; Orpella García, Alberto; Voz Sánchez, Cristóbal; Alcubilla González, Ramón (2012-11)
    Article
    Accés restringit per política de l'editorial
    In this work, we further investigate a new strategy to passivate and contact the rear side of p-type c-Si solar cells based on the laser processing of aluminum oxide (Al2O3)/amorphous silicon carbide (SiCx) stacks before ...
  • Graphene-supported palladium phosphide PdP2 nanocrystals for ethanol electrooxidation 

    Liu, Junfeng; Luo, Zhishan; Junshan, Li; Yu, Xiaoting; Llorca Piqué, Jordi; Nasiou, Déspina; Arbiol, Jordi; Meyns, Michaela; Cabot, Andreu (2019-03-01)
    Article
    Accés restringit per política de l'editorial
    We present a procedure to produce single-phase PdP2 nanocrystals (NCs). The approach involves the reaction of palladium(II) acetylacetonate and hexamethylphosphoroustriamide to nucleate defective Pd5P2 nanoparticles that ...
  • Comparison of the state of lithium-sulphur and lithium-ion batteries applied to electromobility 

    Benveniste Pérez, Gabriela; Rallo, Héctor; Canals Casals, Lluc; Merino, Antonio; Amante García, Beatriz (2018-11-15)
    Article
    Accés obert
    The market share in electric vehicles (EV) is increasing. This trend is likely to continue due to the increased interest in reducing CO2 emissions. The electric vehicle market evolution depends principally on the evolution ...
  • Role of tungsten doping on the surface states in BiVO4 photoanodes for water oxidation: tuning the electron trapping process 

    Shi, Qin; Murcia López, Sebastián; Tang, Pengyi; Flox Donoso, Cristina; Morante, Joan Ramon; Bian, Zhaoyong; Wagn, Hui; Andreu, Teresa (2018-03-09)
    Article
    Accés obert
    The nanostructured BiVO4 photoanodes were prepared by electrospinning and were further characterized by XRD, SEM, and XPS, confirming the bulk and surface modification of the electrodes attained by W addition. The role of ...
  • High-power positive electrode based on synergistic effect of N- and WO3 -decorated carbon felt for vanadium redox flow batteries 

    Hosseini, Mir; Mousavihashemi, Seyedabolfazl; Murcia López, Sebastián; Flox Donoso, Cristina; Andreu, Teresa; Morante, Joan Ramon (2018-09)
    Article
    Accés obert
    Although Vanadium Redox Flow Batteries (VRFB) are suitable for grid-scale applications, their power-related cost must be reduced in order to boost the use of this technology in the market, allowing their widespread ...
  • A prototype reactor for highly selective solar-driven CO2 reduction to synthesis gas using nanosized earth-abundant catalysts and silicon photovoltaics 

    Urbain, Félix; Tang, Pengyi; Carretero González, Nina Maga; Andreu, Teresa; Gerling Sarabia, Luis Guillermo; Voz Sánchez, Cristóbal; Arbiol Cobos, Jordi; Morante Lleonart, Joan Ramon (2017-10)
    Article
    Accés obert
    The conversion of carbon dioxide (CO2) into value-added chemicals and fuels, preferably using renewable energy and earth-abundant materials, is considered a key priority for future energy research. In this work, a bias-free ...
  • Impact of Cu-Au type domains in high current density CuInS2 solar cells 

    Moreau, Antonin; Insignares Cuello, Cristina; Escoubas, Ludovic; Simon, Jean-Jacques; Bermudez, Veronica; Perez Rodriguez, Alejandro; Izquierdo Roca, Víctor; Ruiz, Carmen M. (2015-08-01)
    Article
    Accés restringit per política de l'editorial
    In this work, a series of stain steel 15×15 cm2 CuInS2 solar cells with efficiencies close to the record one for this kind of devices, are analyzed. Through a careful and comprehensive study of the structural and electronic ...
  • Improved selectivity for partial oxidation of methane to methanol in the presence of nitrite ions and BiVO4 photocatalyst 

    Murcia López, Sebastián; Villa Gómez, Katherine; Andreu, Teresa; Morante, Joan Ramon (2015-04-28)
    Article
    Accés restringit per política de l'editorial
    Nitrite ions are shown to have significant influence on the selectivity of the photocatalytic oxidation of methane to methanol. An almost complete inhibition of undesired CO2 has been achieved with BiVO4 in the presence ...
  • Fe3O4@NiFexOy nanoparticles with enhanced electrocatalytic properties for oxygen evolution in carbonate electrolyte 

    Luo, Zhishan; Martí Sanchez, Sara; Nafria Soler, Raquel; Joshua, Gihan; de la Mata, María; Guardia, Pablo; Flox Donoso, Cristina; Martinez-Boubeta, Carlos; Simeonidis, Konstantinos; Llorca Piqué, Jordi; Morante, Joan Ramon; Arbiol, Jordi; Ibañez, María; Cabot, Andreu (2016-11-02)
    Article
    Accés restringit per política de l'editorial
    The design and engineering of earth-abundant catalysts that are both cost-effective and highly active for water splitting are crucial challenges in a number of energy conversion and storage technologies. In this direction, ...

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