Ara es mostren els items 13-24 de 244

    • X-ray photoelectron and Raman spectroscopy of nanostructured ceria in soot oxidation under operando conditions 

      García de Andrés, Xènia; Soler Turu, Lluís; Casanovas Grau, Albert; Escudero, Carlos; Llorca Piqué, Jordi (2021-06)
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      Accés obert
      Ceria nanoshapes exhibiting different amounts of {100}, {110} and {111} facets (cubes, rods, octahedra and polyhedra) were prepared, characterized, tested in the carbon soot oxidation reaction, and studied by operando near ...
    • Review of the Decomposition of Ammonia to Generate Hydrogen 

      Lucentini, Ilaria; García de Andrés, Xènia; Llorca Piqué, Jordi; Vendrell Villafruela, Xavier (American Chemical Society (ACS), 2021-05-21)
      Article
      Accés obert
      Because of the problems associated with the generation and storage of hydrogen in portable applications, the use of ammonia has been proposed for on-site production of hydrogen through ammonia decomposition. First, an ...
    • Molecular engineering to tune the ligand environment of atomically dispersed nickel for efficient alcohol electrochemical oxidation 

      Liang, Zhifu; Jiang, Daochuan; Wang, Xiang; Shakouri, Mohsen; Zhang, Ting; Li, Zhongjun; Tang, Pengyi; Llorca Piqué, Jordi; Liu, Lijia; Yuan, Yupeng; Heggen, Marc; Dunin-Borkowski, Rafal E.; Morante Lleonart, Joan Ramon; Cabot Codina, Andreu; Arbiol, Jordi (2021-09-16)
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      Accés obert
      Atomically dispersed metals maximize the number of catalytic sites and enhance their activity. However, their challenging synthesis and characterization strongly complicates their optimization. Here, the aim is to demonstrate ...
    • Immobilization of glucose oxidase on plasma-treated polyethylene for non-invasive glucose detection 

      Fabregat Jové, Georgina; Lanzalaco, Sonia; Muñoz Pascual, Francesc Xavier; Llorca Piqué, Jordi; Alemán Llansó, Carlos (2021-08-15)
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      Accés obert
      Glucose oxidase (GOx) has been covalently immobilized onto plasma-treated low-density polyethylene (PT-LDPE) deposited by solvent-casting onto a glassy carbon electrode. PT-LDPE acts as a very simple and cheap mediator ...
    • Racetrack Microtron—Pushing the Limits 

      Koubychine Merkulov, Youri Alexandrovich; Borisov, Maxim; Ermakov, Andrey; Khankin, Vadim; Shvedunov, Vasily Ivanovich (2021-11-24)
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      Accés obert
      We consider three types of electron accelerators that can be used for various applications, such as industrial, medical, cargo inspection, and isotope production applications, and that require small- and medium-sized ...
    • Modelling and simulation of catalytic ammonia decomposition over Ni-Ru deposited on 3D-printed CeO2 

      Lucentini, Ilaria; García Colli, Germán; Luzi, Carlos Daniel; Serrano Carreño, M. Isabel; Soler Turu, Lluís; Jiménez Divins, Nuria; Martínez, Osvaldo Miguel; Llorca Piqué, Jordi (2022-01)
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      Accés obert
      3D-printed ceria structures have been prepared by robocasting, without using any additive, and impregnated with different amounts of Ni and Ru, characterized and tested for the catalytic decomposition of ammonia in a fixed ...
    • NbSe2 meets C2N: a 2D-2D heterostructure catalysts as multifunctional polysulfide mediator in ultra-long-life lithium–sulfur batteries 

      Yang, Dawei; Liang, Zhifu; Zhang, Chaoqi; Jacas Biendicho, Jordi; Spadaro, Maria Chiara; Li, Mengyao; Moghaddam, Ahmad Ostovari; Llorca Piqué, Jordi; Morante Lleonart, Joan Ramon; Arbiol, Jordi; Cabot, Andreu (2021-09-23)
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      Accés obert
      The shuttle effect and sluggish conversion kinetics of lithium polysulfides (LiPS) hamper the practical application of lithium–sulfur batteries (LSBs). Toward overcoming these limitations, herein an in situ grown C2N@NbSe2 ...
    • Doping-mediated stabilization of copper vacancies to promote thermoelectric properties of Cu2-xS 

      Zhang, Yu; Xing, Congcong; Liu, Yu; Spadaro, Maria Chiara; Wang, Xiang; Li, Mengyao; Xiao, Ke; Zhang, Ting; Guardia Girós, Pablo; Lim, Khak Ho; Moghaddam, Ahmad Ostovari; Llorca Piqué, Jordi; Arbiol Cobos, Jordi; Ibánez, María; Cabot Codina, Andreu (2021-07-01)
      Article
      Accés obert
      Copper chalcogenides are outstanding thermoelectric materials for applications in the medium-high temperature range. Among different chalcogenides, while Cu2-xSe is characterized by higher thermoelectric figures of merit, ...
    • Effect of Ni particle size on the production of renewable methane from CO2 over Ni/CeO2 catalyst 

      Lin, Lili; Gerlak, Clifford A.; Liu, Chang; Llorca Piqué, Jordi; Murray, Chris; Senanayake, Sanjaya D. (2021-10-01)
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      Accés obert
      Production of ‘renewable Methane’ has attracted renewed research interest as a fundamental probe reaction and process for CO2 utilization through potential use in C1 fuel production and even for future space exploration ...
    • The reflectance spectra of CV-CK carbonaceous chondrites from the near-infrared to the visible 

      Tanbakouei, Safoura; Trigo Rodríguez, Josep Maria; Llorca Piqué, Jordi; Moyano Cambero, Carles E.; Williams, Iwan; Rivkin, Andrew S. (Oxford University Press, 2021-10-01)
      Article
      Accés obert
      Carbonaceous chondrite meteorites are so far the only available samples representing carbon-rich asteroids and in order to allow future comparison with samples returned by missions such as Hayabusa 2 and OSIRIS-Rex, it is ...
    • Photocatalytic hydrogen production from water-methanol and -glycerol mixtures using Pd/TiO2(-WO3) catalysts and validation in a solar pilot plant 

      Toledo Camacho, Sandra Yurani; Rey Barroso, Ana; Maldonado Rubio, M. Ignacio; Llorca Piqué, Jordi; Contreras Iglesias, Sandra; Medina Cabello, Francisco (2021-10-13)
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      Accés obert
      This paper is focused on the photocatalytic hydrogen production on Pd/TiO2(-WO3) catalysts from water-methanol and water-glycerol mixtures under UVA and solar irradiation. The photodeposition method for Pd was studied ...
    • Carbonation of high-Ca fly ashes under flue gas conditions: implications for their valorization in the construction industry 

      Rodriguez Rausis, Kwon Bok; Cwik, Agnieszka Lucyna; Casanova Hormaechea, Ignasi; Zarebska, Katarzyna (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11)
      Article
      Accés obert
      The utilization of high-calcium fly ashes (HCFA) from coal-fired power plants in the construction industry is problematic, since their high free lime contents can lead to durability problems. In this research, the carbonation ...