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Diagnosis tools for PEMFC using humidification interruption tests

AuthorsPrimucci, Mauricio ; Serra, Maria ; Riera, Jordi
KeywordsPerformance indicators
Experimental characterisation
Water distribution
Issue Date2012
PublisherAsociación Española de Pilas de Combustible
CitationCONAPPICE 2012
AbstractThis article presents different diagnosis tools for Proton Exchange Membrane Fuel Cells based on the analysis of their dynamic evolution when the humidification of the inlet gases is interrupted. The diagnosis is aimed to know the internal state of the fuel cell with respect to the water distribution. The proposed diagnosis procedures combine the information of the time response with that extracted from Electrochemical Impedance Spectroscopy and consist in monitoring the evolution of a set of performance indicators during the humidification interruption. The article presents a study for the selection of these performance indicators, which may be related to the physical phenomena inside the PEMFC, and describes the patterns that correspond to proper or improper water distribution.
DescriptionPresentado al V Congreso Nacional de Pilas de Combustible celebrado en Madrid del 21 al 23 de noviembre de 2012.
Publisher version (URL)http://conappice2012.appice.es/app.php?p=
Appears in Collections:(IRII) Comunicaciones congresos
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