Browsing by Subject "Fuel cells"

Now showing items 1-20 of 123

    • A novel energy management strategy for fuel-cell/supercapacitor hybrid vehicles 

      Carignano, Mauro; Costa Castelló, Ramon; Nigro, Norberto; Junco, Sergio (2017-07-01)
      Article
      Open Access
      Hybrid platforms powered by fuel cell and supercapacitor represent a powertrain with active state-dependent constraints, providing an adverse scenario for the energy management. In these platforms, the performance of the ...

    • A novel energy management strategy for fuel-cell/supercapacitor hybrid vehicles. 

      Carignano, Mauro; Costa Castelló, Ramon; Nigro, Norberto; Junco, Sergio (Elsevier, 2017)
      Conference report
      Open Access
      Hybrid platforms powered by fuel cell and supercapacitor represent a powertrain with active state-dependent constraints, providing an adverse scenario for the energy management. In these platforms, the performance of the ...

    • A semi-analytical model for droplet dynamics on the GDL surface of a PEFC electrode 

      Jarauta Arabí, Àlex; Secanell, Marc; Pons Prats, Jordi; Ryzhakov, Pavel; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (2015-04)
      Article
      Open Access
      Water management is one of the key factors in Proton Exchange Fuel Cell (PEFC) performance. The water produced within the fuel cell is evacuated through the gas channels, but at high current densities water can block the ...

    • A viability study for SOFC combined heat and power Energy systems for buildings 

      Mur Pera, Alberto (Universitat Politècnica de Catalunya, 2019-10-09)
      Master thesis
      Open Access
      The main objective of this work is to develop a software tool to perform an techno-economic feasibility analysis of cogeneration systems for electricity and heat production, based on fuel cell technology (FC-CHP). The ...

    • Adaptive nonlinear parameter estimation for a proton exchange membrane fuel cell 

      Xing, Yashan; Na, Jing; Chen, Mingrui; Costa Castelló, Ramon; Roda Serrat, Vicente (Institute of Electrical and Electronics Engineers (IEEE), 2022-08)
      Article
      Open Access
      Parameter estimation is vital for modeling and control of fuel cell systems. However, the nonlinear parameterization is an intrinsic characteristic in the fuel cell models such that classical parameter estimation schemes ...

    • Amorphous carbon modified nano-sized tungsten carbide as a gas diffusion electrode catalyst for the oxygen reduction reaction 

      Liu, Zhiwei; Li, Ping; Zhai, Fuqiang; Wan, Qi; Volinsky, Alex A.; Qu, Xuanhui (2015-01-01)
      Article
      Open Access
      Nanostructured tungsten carbide with high surface area and containing amorphous carbon is prepared by a low temperature combustion synthesis method. The nanostructured tungsten carbide is used as the catalyst in a gas ...

    • Analyses of energy management strategies for a PEMFC/UC electric vehicle 

      Bethoux, Olivier; Remy, G.; Riera, Jordi (Riera Colomer); Serra, Maria; Azib, T. (2012)
      Conference report
      Restricted access - publisher's policy
      In this paper, two energy management strategies considering the hydrogen consumption of hybrid power sources using a PEM Fuel Cell (FC) and Ultracapacitors (UC) are described and compared. First, the Hybrid Electric ...

    • Analysis of droplet dynamics on the GDL surface of a PEM fuel cell cathode 

      Jarauta Arabí, Àlex (Universitat Politècnica de Catalunya, 2013-06-28)
      Master thesis
      Open Access
      A fuel cell is an electrochemical device that has the ability to turn the chemical energy in a fuel directly into electricity with high e ciency. Inside the fuel cell, oxidation and reduction electrochemical reactions ...

    • Analysis of the control structures for an integrated ethanol processor for proton exchange membrane fuel cell systems 

      Biset, S; Nieto Deglioumini, Lucas; Basualdo, Marta; Garcia Mariel, Vanesa; Serra, Maria (2009)
      Article
      Open Access
      The aim of this work is to investigate which would be a good preliminary plantwide control structure for the process of Hydrogen production from bioethanol to be used in a proton exchange membrane (PEM) accounting only ...

    • 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 ...

    • Anode-supported SOFC Operated Under Single-chamber Conditions at Intermediate Temperatures 

      Morales, Miguel; Roa Rovira, Joan Josep; Capdevila, X.G.; Segarra, M.; Piñol, S. (2011-02-02)
      Article
      Restricted access - publisher's policy
      Anode-supported SOFC was fabricated using gadolinia doped ceria (GDC) as the electrolyte (15 lm of thickness), Ni-GDC as the anode and La0.5Sr0.5CoO3 – d-GDC as the cathode. Catalytic activities of the electrodes and ...

    • Assessment of energy management in a fuel cell/battery hybrid vehicle 

      Carignano, Mauro; Roda Serrat, Vicente; Costa Castelló, Ramon; Valiño, Luis; Lozano Fantoba, Antonio; Barreras Toledo, Felix Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Article
      Restricted access - publisher's policy
      The energy management strategy plays a major role in hybrid platforms powered by fuel cells (FCs) and batteries. This paper presents an assessment of energy management focused on fuel economy and battery degradation. ...

    • Atomistic simulation of ionic líquids as novel fuel cell electrolytes 

      Parisi, Federico (Universitat Politècnica de Catalunya, 2021-08-03)
      Master thesis
      Restricted access - author's decision
      Covenantee:   École Centrale de Nantes
      The study behind this thesis has been carried on by a cooperation between the Electrochemical Process Engineering (IEK-14) and the Computational Material Modeling (IEK-13) departments at the Forschungszentrum Jülich. In ...

    • Biogas biological desulphurisation under extremely acidic conditions for energetic valorisation in Solid Oxide Fuel Cells 

      de Arespacochaga, N.; Valderrama Angel, César Alberto; Mesa, C.; Bouchy, Lynne; Cortina Pallás, José Luís (2014-11-01)
      Article
      Restricted access - publisher's policy
      The most harmful biogas contaminant for energy conversion equipment such as fuel cells is hydrogen sulphide (H2S); thus efficient and cost-effective treatment systems for this compound should be designed and developed. A ...

    • Challenges in computational modeling of two-phase transport in polymer electrolyte fuel cells flow channels: a review 

      Ryzhakov, Pavel; Jarauta, Alex (2018-11)
      Article
      Open Access
      Excess of liquid water in gas channels of polymer electrolyte fuel cells is responsible for malfunctioning of these devices. Not only it decreases their efficiency via partial blockage of reactants and pressure drop, but ...

    • Characterization of voltage loss for proton exchange membrane fuel cell 

      Elia, Gaia'd (Universitat Politècnica de Catalunya, 2015-06-09)
      Bachelor thesis
      Open Access
      Les piles de combustible són, cada dia més, una alternativa als clàssics vectors energètics. La utilització de l’hidrogen com a font energètica suposa una important reducció d’emissions i costos, tot i que la tecnologia ...

    • Cogeneració amb piles de combustible: aplicació a edificis de la UPC 

      Martínez, Cristina; Sánchez, Carlos; Sancho, Javier; Simon, Javier; Pretel Sánchez, Carme; Llorca Piqué, Jordi (Centre per a la Sostenibilitat, 2009-07-09)
      Conference report
      Open Access
      Les piles de combustible són dispositius electroquímics que transformen directament l’energia d’un combustible químic en energia elèctrica i calor. Entre els seus avantatges destaquen una eficiència energètica molt elevada, ...

    • Combined heat and power using high-temperature proton exchange membrane fuel cells for housing facilities 

      Sanz i López, Víctor; Lopez Diest, Guillermo; Costa Castelló, Ramon; Batlle Arnau, Carles (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Recently, new alternatives to conventional energy sources such as fossil fuels are arising due to global problems related to climate change effect and energy shortage. In this context, fuel cells and combined heat and power ...

    • Comparative life-cycle assessment of residential heating systems, focused on solid oxide fuel cells 

      Cánovas Creus, Alba (Universitat Politècnica de Catalunya, 2012-07)
      Master thesis
      Restricted access - author's decision

    • Control d’una estació híbrida per la gestió d’energia d’un sistema basat en pila de combustible 

      Paredes Guardiola, Juan Francisco (Universitat Politècnica de Catalunya, 2015-10)
      Master thesis (pre-Bologna period)
      Open Access
      Aquest projecte consisteix en l’estudi de la gestió de l’energia d’un sistema que funciona amb pila de combustible. El projecte va sorgir al visitar l’Institut de Robòtica Industrial (IRI) de la UPC, on hi tenen instal·lada ...