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Characterisation of fuel cell state using Electrochemical Impedance Spectroscopy analysis

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Primucci, Mauricio Ariel
Ferrer, Lluís
Serra, MariaMés informacióMés informacióMés informació
Riera, Jordi (Riera Colomer)Més informació
Document typeConference report
Defense date2008
PublisherEHU
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
One of the most demanding research topics related to the Polymer Electrolyte Membrane Fuel Cell (PEMFC) concerns its reliability. Apart from the security aspects, it is basic to have a diagnosis of the internal state of the PEMFC in order to correct and optimise its operation. The Fuel cell state and response depends on the imposed operating conditions, which are mainly given by temperatures, pressures, humidity, reactants concentrations and current. This work explores the use of fuel cell experimental Electrochemical Impedance Spectroscopy (EIS) as a tool to characterise the fuel cell state, what can be very helpful for diagnosis purposes. With this objective in mind, a definition of “relevant characteristics” extracted from EIS response is done. These “relevant characteristics” can be used in order to characterize the fuel cell and also to find the parameters of simple equivalent circuits of its dynamical response. Besides, a complete equivalent circuit which permits a close fitting of the EIS response for all operating conditions is proposed and its evolution with operating pressure is studied.
CitationPrimucci, Mauricio; Ferrer, Lluís; Serra, Maria; Riera, Jordi. "Characterisation of fuel cell state using Electrochemical Impedance Spectroscopy analysis". A: I Simposium Ibérico de Hidrógeno, Pilas de Combustible y Baterías Avanzadas (HYCELTEC), Bilbao, Espanya, 2008. EHU, 2008, p. 1-26. 
URIhttp://hdl.handle.net/2117/2720
ISBN9788498601015
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  • IRI - Institut de Robòtica i Informàtica Industrial, CSIC-UPC - Ponències/Comunicacions de congressos [463]
  • Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial - Ponències/Comunicacions de congressos [1.391]
  • ACES - Control Avançat de Sistemes d'Energia - Ponències/Comunicacions de congressos [230]
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