Now showing items 1-20 of 68

    • 7 - Hydrogen production in microreactors 

      Soler Turu, Lluís; Jiménez Divins, Nuria; Vendrell Villafruela, Xavier; Serrano Carreño, M. Isabel; Llorca Piqué, Jordi (Elsevier, 2020-07-24)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Catalytic microreactors constitute a crucial technology for process intensification in the production of hydrogen, particularly for on-site and/or onboard applications intended to feed fuel cells. This chapter describes ...
    • 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 ...
    • Alcohols and bio-alcohols steam and autothermal reforming in a membrane reactor 

      Llorca Piqué, Jordi; Hedayati, Ali (2014-11-28)
      Part of book or chapter of book
      Restricted access - publisher's policy
      Considerable work has been reported concerning catalytic steam reforming, partial oxidation and oxidative steam reforming (autothermal reforming) aimed at hydrogen generation from alcohol-water mixtures. They include ...
    • L'alternativa de l'hidrogen en el món de l'automoció 

      Ojeda Mirapeix, Albert (Universitat Politècnica de Catalunya, 2019-06)
      Bachelor thesis
      Open Access
      El següent treball té com objectiu veure si els vehicles elèctrics de pila de combustible d’hidrogen té una viabilitat a curt/mig termini. Per això es farà una descripció breu de les diverses alternatives actuals existents ...
    • Anàlisi termodinàmica de cicles criogènics per a la producció d'hidrogen líquid. 

      Janer Cifre, Cristòfol (Universitat Politècnica de Catalunya, 2021-11-01)
      Bachelor thesis
      Open Access
      La demanda energètica a escala mundial no ha deixat de créixer en els darrers anys, i les previsions científiques indiquen que així ho seguirà fent. Els combustibles fòssils com el carbó, el petroli o el gas natural, tot ...
    • Anàlisi tècnic-econòmic de la implementació de l'hidrogen com a combustible en el transport per carretera 

      Hurtado Moncunill, Oriol (Universitat Politècnica de Catalunya, 2018-01)
      Bachelor thesis
      Open Access
      L’objectiu d’aquest projecte és estudiar la viabilitat econòmica d’utilitzar l’hidrogen com a combustible a partir d’energies renovables. D’aquesta manera tenir un vehicle que no generi contaminació, que l’obtenció ...
    • Análisis y optimización de una red de distribución de hidrógeno 

      Massip Sabater, Francesc (Universitat Politècnica de Catalunya, 2012-12)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El hidrógeno es un recurso utilizado en las refinerías de petróleo en varios tratamientos aplicados a los hidrocarburos, con la finalidad de eliminar impurezas y producir combustibles y otras materias primas de mayor ...
    • Applications for large scale hydrogen production in wind parks 

      Hodaly Rodríguez, Pol (Universitat Politècnica de Catalunya, 2020-07-09)
      Master thesis
      Open Access
      This work is a feasibility study on the possible outputs of hydrogen generated from renewable energy in wind parks or other renewable plants. It delves into the study of all possible application outputs by conducting ...
    • Bio-ethanol steam reforming and autothermal reforming in 3- m channels coated with RhPd/CeO2 for hydrogen generation 

      Divins, N.J.; López, Eduardo; Rodríguez Martínez, Ángel; Vega, Didac; Llorca Piqué, Jordi (2013-02)
      Article
      Restricted access - publisher's policy
      A silicon micromonolith of 7 mm diameter and 0.2 mm length containing 1.5 million regular channels with a diameter of 3.3 μm was used for obtaining hydrogen through ethanol or bio-ethanol steam reforming (ESR) and oxidative ...
    • Catalytic ammonia decomposition for hydrogen production on Ni, Ru and Ni–Ru supported on CeO2 

      Lucentini, Ilaria; Casanovas Grau, Albert; Llorca Piqué, Jordi (2019-05-13)
      Article
      Open Access
      Ceria-supported Ni, Ru and NiRu catalysts have been tested in the catalytic decomposition of ammonia to yield hydrogen and their performance in long-term tests has been compared to alumina-supported Ni and Ru samples. The ...
    • Catalytic membrane reactors based on macroporous silicon for hydrogen production 

      Vega Bru, Didac; Hernández Díaz, David; López, E.; Jiménez, Nuria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; Alcubilla González, Ramón; Llorca Piqué, Jordi (2010)
      Conference report
      Open Access
      The typology of using hydrogen as an energy carrier and its implementation in portable fuel cells has motivated a considerable research interest in the development of new efficient hydrogen production technologies. Hydrogen ...
    • Catalytic methani steam reforming in a micro-structured reactor for hydrogen production 

      Corsaro, Gaetano (Universitat Politècnica de Catalunya, 2018-06-12)
      Bachelor thesis
      Open Access
      In this project, a stainless ste el micro - structured reactor built by a company for the hydrogen production by methane steam reforming i s tested. A nickel based catalyst is prepared through the “incipient wetness ...
    • CO Total and Preferential Oxidation over Stable Au/TiO2 Catalysts Derived from Preformed Au Nanoparticles 

      Jiménez Divins, Nuria; López López, Eduardo; Angurell Purroy, Inmaculada; Neuberg, Stefan; Zapf, Ralf; Kolb, Gunther; Llorca Piqué, Jordi (2020-09-07)
      Article
      Open Access
      CO preferential oxidation (PROX) is an effective method to clean reformate H2 streams to feed low-temperature fuel cells. In this work, the PROX and CO oxidation reactions were studied on preformed Au nanoparticles (NPs) ...
    • Comparison between Ni-Rh/gadolinia doped ceria catalysts in reforming of propane for anode implementations in intermediate solid oxide fuel cells 

      Antonucci, P.L.; Boaro, Marta; Modafferi, M.; Pappacena, A.; Llorca Piqué, Jordi; Baglio, V.; Frusteri, F.; Frontera, P.; Trovalleri, A. (2010-01)
      Article
      Restricted access - publisher's policy
      Steam and autothermal reforming of propane over Ni–Rh/GDC catalysts prepared by coprecipitation and by Pechini method were investigated in the temperature range 873–1073 K. The weight ratio for Ni, Rh and Ce0.8Gd0.2O2 ...
    • Cost-benefit analysis of a hydrogen supply chain deployment case for fuel cell vehicles use in Midi-Pyrénées region 

      Martínez García, Guillem (Universitat Politècnica de Catalunya / Institut National Polytechnique de Toulouse, 2017-07)
      Master thesis
      Open Access
      Nowadays, hydrogen is increasingly being promoted as an alternative energy carrier for mobility and stationary fuel cell system applications. Yet, the challenge of developing a future commercial hydrogen economy still ...
    • Desarrollo de nuevas vías de obtención de Hidrógeno en estado sólido 

      Cabruja Salvà, Eduard (Universitat Politècnica de Catalunya, 2019-07-08)
      Bachelor thesis
      Open Access
      The aim of this project was to activate Magnesium powders by ball milling and create a system to test hydrogen absorbance. Moreover, after literature review, FeTi compound was found to be a possible substitute for Magnesium ...
    • Design of linear controllers applied to an ethanol steam reformer for PEM fuel cell applications 

      García, Vanesa Mariel; Serra, Maria; Llorca, J.; Riera, Jordi (Riera Colomer) (2013)
      Article
      Restricted access - publisher's policy
      This paper focuses on the design of a controller for a low temperature ethanol steam reformer for the production of hydrogen to feed a Protonic Exchange Membrane (PEM) fuel cell. It describes different control structures ...
    • Diseño de la instalación para la homologación de un vehículo de hidrógeno 

      Gao, Yuhan (Universitat Politècnica de Catalunya, 2012-06)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El presente proyecto estudia la posibilidad de la implantación de un proceso de homologación de un vehículo de hidrógeno en un laboratorio de ensayos, en un momento donde los fabricantes de vehículos investigan sobre los ...
    • Diseño de un reactor solar fotocatalítico para la producción de hidrógeno 

      Doz Murillo, Laura (Universitat Politècnica de Catalunya, 2016-09-05)
      Master thesis
      Open Access
      Actualmente se está trabajando con microreactores que aprovechan la radiación solar ultravioleta para la producción de hidrógeno y para ello disponen de un catalizador semiconductor. Experimentalmente se ha demostrado que ...
    • Diseño de una planta piloto de electrólisis de agua con energías renovables para reducir la huella ambiental de una EDAR mediante la aplicación del hidrógeno y del oxígeno generados 

      Cañas García, Lorenzo (Universitat Politècnica de Catalunya, 2009-11)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      CETaqua, Centro Tecnológico del Agua, se encarga de la I+D+i del Grupo Agbar. Intenta mejorar, con sus 6 líneas de investigación, cada etapa del ciclo urbano del agua mediante la innovación tecnológica, la eficiencia ...