Recent Submissions

  • Assessment of integration of methane-reduced ceria chemical looping CO2/H2O splitting cycle to an oxy-fired power plant 

    Farooqui, Azharuddin; Bose, Archishman; Boaro, Marta; Llorca Piqué, Jordi; Santarelli, Massimo (2020-02-28)
    Article
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    In this paper, we investigated the effect of reaction kinetics and moving bed reactors for chemical looping (CO2/H2O) splitting unit (CL) that produces syngas and fed back to the power plant to gain the efficiency loss due ...
  • In situ electrochemical oxidation of Cu2S into CuO nanowires as a durable and efficient electrocatalyst for oxygen evolution reaction 

    Zuo, Yong; Liu, Yongpeng; Li, Junshan; Du, Ruifeng; Han, Xu; Zhang, Ting; Arbiol, Jordi; Jiménez Divins, Nuria; Llorca Piqué, Jordi; Guijarro, Néstor; Sivula, Kevin; Cabot Codina, Andreu (2019-08-15)
    Article
    Restricted access - publisher's policy
    Development of cost-effective oxygen evolution catalysts is of capital importance for the deployment of large-scale energy-storage systems based on metal–air batteries and reversible fuel cells. In this direction, a wide ...
  • A million-microchannel multifuel steam reformer for hydrogen production 

    Jiménez Divins, Nuria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (2020-05-05)
    Article
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    A functionalized silicon micromonolith of 7¿mm in diameter and 210¿µm-thick was evaluated for the production of hydrogen from the steam reforming (SR) of various fuels, containing different functional groups, such as ...
  • Effect of shrinkage reducing admixture on creep of recycled aggregate concrete 

    He, Zhi-hai; Hua, Hai-bo; Casanova Hormaechea, Ignasi; Liang, Chao-feng; Du, Shi-gui (Elsevier, 2020-09)
    Article
    Restricted access - publisher's policy
    It is widely accepted that recycled concrete aggregates originated from construction and demolition wastes are promising materials to contribute to the conservation and rational use of natural resources as well as the ...
  • Ammonia decomposition over 3D-printed CeO2 structures loaded with Ni 

    Lucentini, Ilaria; Serrano Carreño, M. Isabel; Soler Turu, Lluís; Jiménez Divins, Nuria; Llorca Piqué, Jordi (2020-02-05)
    Article
    Restricted access - publisher's policy
    Binder-free ceria pastes have been formulated and used to prepare ceria structures with a woodpile arrangement of microchannels through 3D printing. After loading them with nickel, these catalytic structures have been ...
  • Macroporous silicon coated with M/TiO2 (M=Au,Pt) as a highly efficient photoreactor for hydrogen production 

    Serafin, Jaroslaw; Soler Turu, Lluís; Vega Bru, Didac; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (2020-03-07)
    Article
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    Macroporous silicon disks containing ordered channels of 2 µm side and 0.2 mm length (9 × 106 channels cm-2) have been functionalized with a thin layer of Au/TiO2 and Pt/TiO2 photocatalysts and tested in the photoproduction ...
  • Superior methanol electrooxidation performance of (110)-faceted nickel polyhedral nanocrystals 

    Li, Junshan; Zuo, Yong; Liu, Junfeng; Du, Ruifeng; Infante Carrió, Maria F.; Tang, Pengyi; Arbiol, Jordi; Llorca Piqué, Jordi; Cabot Codina, Andreu (Royal Society of Chemistry (RSC), 2019-10-14)
    Article
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    We present the synthesis of (110)-faceted nickel polyhedral nanocrystals (NCs) and their characterization as electrocatalysts for the methanol oxidation reaction (MOR). Ni NCs were produced at 180 °C through the reduction ...
  • A Pd/Al2O3-based micro-reformer unit fully integrated in silicon technology for H-rich gas production 

    Bianchini, Marco; Alayo, Nerea; Soler Turu, Lluís; Salleras, M.; Fonseca Chácharo, Luis; Llorca Piqué, Jordi; Tarancón Rubio, Albert (Institute of Physics (IOP), 2019-11-01)
    Article
    Open Access
    This work reports the design, manufacturing and catalytic activity characterization of a micro-reformer for hydrogen-rich gas generation integrated in portable-solid oxide fuel cells (µ-SOFCs). The reformer has been designed ...
  • Hollow PdAg-CeO2 heterodimer nanocrystals as highly structured heterogeneous catalysts 

    Patarroyo, Javier; Delgado, Jorge A.; Merkoçi, Florind; Genç, Aziz; Sauthier, Guillaume; Llorca Piqué, Jordi; Arbiol, Jordi (Nature, 2019-12-01)
    Article
    Open Access
    In the present work, hollow PdAg-CeO2 heterodimer nanocrystals (NCs) were prepared and tested as catalysts for the selective hydrogenation of alkynes. These nanostructures combine for the first time the beneficial effect ...
  • CO and CO2 methanation over Ni catalysts supported on CeO2, Al2O3 and Y2O3 oxides 

    Italiano, Cristina; Llorca Piqué, Jordi; Pino, Lidia; Ferraro, Marco; Antonucci, Vincenzo; Vita, Antonio (2020-05-05)
    Article
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    Methanation of carbon oxides (CO and CO2) was studied over Ni-based catalysts supported on CeO2, Al2O3, and Y2O3 oxides. Catalysts were synthesized by solution combustion synthesis and characterized by N2-physisorption, ...
  • Hydrogen photogeneration using ternary CuGaS2-TiO2-Pt nanocomposites 

    Caudillo Flores, Uriel; Kubacka, Anna; Berestok, Taisiia; Zhang, Ting; Llorca Piqué, Jordi; Arbiol, Jordi; Cabot, Andreu; Fernández García, Marcos (2020-01-13)
    Article
    Restricted access - publisher's policy
    In this contribution we synthesized ternary CuGaS2-TiO2-Pt materials. The semiconductor components were surface functionalized with mercapto-alifatic acids to drive their linking and were platinized prior to or after contact ...
  • Absorption mechanisms in macroporous silicon photonic crystals 

    Segura García, Daniel; Cardador Maza, David; Rodríguez Martínez, Ángel; Llorca Piqué, Jordi (Elsevier, 2019-01-01)
    Article
    Restricted access - publisher's policy
    We investigate the large differences classically found in literature between theoretical and empirical results in the optical characterization of macroporous silicon photonic crystals. Mainly, we study the impact of two ...

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