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Title: Distributed parameter model-based control of water activity and concentration of reactants in a polymer electrolyte membrane fuel cell
Authors: Sarmiento-Carnevali, M.L.
Serra, Maria
Batlle, Carles
Keywords: PEM fuel cell
Water management
Distributed parameter modeling
Model predictive control
Performance enhancement
Issue Date: 2017
Publisher: Elsevier © Hydrogen Energy Publications
Citation: SARMIENTO-CARNEVALI, M.L., SERRA, M. and BATLLE, C., 2017. Distributed parameter model-based control of water activity and concentration of reactants in a polymer electrolyte membrane fuel cell. International Journal of Hydrogen Energy, 42 (42), pp. 26389-26407.
Abstract: Water management is still a key challenge for optimal performance and durability of polymer electrolyte membrane (PEM) fuel cells. Water levels along the channel in a PEM fuel cell present important spatial variations that should be taken into account to avoid both local flooding and local drying. In this work, a decentralised model predictive control scheme is designed to maintain the water activity on both anode and cathode sides of the PEM at appropriate levels. The proposed strategy tackles the accumulation of liquid water on the surface of the catalyst layers, and the possibility of local drying, by controlling observed water activity spatial profiles. Classic PEM fuel cell issues like reactant starvation are also considered. High control performance is achieved. The strategy is applied to a validated distributed parameter PEM fuel cell model. Results show increased cell power density in comparison to non-spatial control strategies.
Description: This paper was published in the journal International Journal of Hydrogen Energy and the definitive published version is available at https://doi.org/10.1016/j.ijhydene.2017.08.191.
Sponsor: This work was partially funded by Spanish MEC-FPU [grant number AP-2010-3969]; and the Spanish national project MICAPEM (DPI2015-69286-C3-2-R, MINECO/FEDER).
Version: Accepted for publication
DOI: 10.1016/j.ijhydene.2017.08.191
URI: https://dspace.lboro.ac.uk/2134/28299
Publisher Link: https://doi.org/10.1016/j.ijhydene.2017.08.191
ISSN: 0360-3199
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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