Now showing items 1-20 of 123

    • 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 novel matheuristic based on bi-level optimization for the multi-objective design of hydrogen supply chains 

      Cantú Medrano, Victor Hugo; Azzaro-Pantel, Catherine; Ponsich, Antonin Sebastien (Pergamon Press, 2021-09)
      Article
      Open Access
      This work introduces an efficient tool for the design of sustainable hydrogen supply chains (HSCs), considering both economic and environmental concerns, through an appropriate multi-objective strategy. The original problem, ...
    • 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 ...
    • A reduced-order model for real-time NMPC of ethanol steam reformers 

      Reyero Santiago, Pedro; Yu, Xinwei; Ocampo-Martínez, Carlos; Braatz, Richard D. (Science Press, 2021)
      Conference report
      Open Access
      One of the approaches to green energy of interest in recent years is through the use of hydrogen technologies in which the waste product of combustion is water rather than carbon dioxide, nitrous oxides, and other pollutants ...
    • Adaptació d'una gasolinera a una hidrogenera 

      Aragonès Carrasquer, Martí (Universitat Politècnica de Catalunya, 2023-10-31)
      Bachelor thesis
      Open Access
      Aquest projecte es basa en l’adaptació d’una estació de servei, en la que es subministren derivats del petroli, cap a una estació de servei on també es subministri hidrogen a pressió en estat gasós. Aquesta adaptació pretén ...
    • 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 ...
    • Analysis and evaluation of a fuel cell based automotive vehicle with on-board hydrogen storage 

      Puigdelloses Ferrer, Alex (Universitat Politècnica de Catalunya, 2023-07-19)
      Bachelor thesis
      Open Access
      This work focuses on the study, analysis and evaluation of a fuel cell-based vehicle with on-board hydrogen storage. To begin with, an analysis will be made of the 3 different types of automobiles that currently exist: ...
    • Analysis of the use of recycled aluminum to generate green hydrogen in an electric bicycle 

      Salueña Berna, Javier; Marín Genescà, Marc; Dagá Monmany, José María (Multidisciplinary Digital Publishing Institute (MDPI), 2023-02-10)
      Article
      Open Access
      This article proposes using recycled aluminum, generating hydrogen in situ at low pressure, to power a 250 W electric bicycle with a fuel cell (FC), to increase the average speed and autonomy compared to a conventional ...
    • 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 de la viabilidad técnica de la conversión de las terminales de GNL por LH2 en el puerto de barcelona 

      Parella Martí, David (Universitat Politècnica de Catalunya, 2023-10)
      Master thesis
      Open Access
      El hidrógeno se considera uno de los combustibles del futuro y la tecnología del hidrógeno líquido (LH2) tiene un gran potencial para convertirse en el vector energética ideal para alcanzar la neutralidad climática propuesta ...
    • Análisis de las emisiones de un motor alternativo de combustión de hidrógeno 

      Sarmiento Vicente, Ivan (Universitat Politècnica de Catalunya, 2023-10-05)
      Master thesis
      Open Access
      El projecte consisteix a desenvolupar el control d'un grup electrògen que utilitzarà hidrogen com a combustible en lloc de gasolina. Es parteix d'un grup electrògen basat en el model Honda GX160, el qual ha estat adaptat ...
    • Análisis de las opciones de sustitución de combustibles por soluciones sostenibles en la flota de autobuses de TMB en Barcelona 

      Corpas Gómez, Álvaro (Universitat Politècnica de Catalunya, 2022-07-04)
      Bachelor thesis
      Open Access
      Aquest treball de fi de grau aborda un estudi de millora energètica d'un dels sectors més contaminants del món, el transport. Se centra concretament en analitzar energèticament el model actual de transport urbà d'autobusos ...
    • 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 ...