Thesis etd-02042020-214516 |
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Thesis type
Tesi di laurea magistrale
Author
BUTORI, MARTINA
URN
etd-02042020-214516
Thesis title
Influence of gas humidity levels on performance and stability of Anion Exchange Membrane Fuel Cells (AEMFCs)
Department
INGEGNERIA DELL'ENERGIA, DEI SISTEMI, DEL TERRITORIO E DELLE COSTRUZIONI
Course of study
INGEGNERIA ENERGETICA
Supervisors
relatore Prof. Desideri, Umberto
supervisore Prof. Lindbergh, Göran
supervisore Prof.ssa Wreland Lindström, Rakel
supervisore Prof. Lindbergh, Göran
supervisore Prof.ssa Wreland Lindström, Rakel
Keywords
- AEMFC
- anion exchange membrane fuel cells
- fuel cell
- gas humidity levels
- relative humidity
Graduation session start date
27/02/2020
Availability
Withheld
Release date
27/02/2060
Summary
L'obiettivo della tesi è quello di indagare se e quanto sia importante l'effetto dell'umidità relativa in ingresso al sistema nelle Anion Exchange Membrane Fuel Cell. Sperimentalmente sono state testate diverse combinazioni di umidità relativa in ingresso all'anodo e al catodo al fine di massimizzare le prestazioni della fuel cell nel tempo. Tramite l'utilizzo di sensori posizionati in ingresso e in uscita alla fuel cell, si è calcolato il bilancio di massa sul sistema per studiare come il contenuto d'acqua variasse nel tempo.
The goal of this thesis was to have a deeper understanding of the influence of gas humidity levels on Anion Exchange Membrane Fuel Cells. Through different sets of experiments, different combinations of relative humidity in the inlets have been tested in order to optimize both the performance and the stability of the fuel cell over time. Using smart sensors placed on the inlets and on the outlets, a mass balance on the system has been calculated to study the fuel cell water content over time.
The goal of this thesis was to have a deeper understanding of the influence of gas humidity levels on Anion Exchange Membrane Fuel Cells. Through different sets of experiments, different combinations of relative humidity in the inlets have been tested in order to optimize both the performance and the stability of the fuel cell over time. Using smart sensors placed on the inlets and on the outlets, a mass balance on the system has been calculated to study the fuel cell water content over time.
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