Experimental and Numerical Investigation of Humidity Effect on Performance of PEM Fuel Cells

Vincenzo Liso, Saher Al Shakhshir, Mads Pagh Nielsen

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Abstrakt

In this study, a single proton exchange membrane fuel cell electrical performance is tested and modelled. The aim is to investigate the effect of reactants and membrane humidity on cell electrical performance. We discuss cell performance in terms of various variables affecting water transport in the membrane, such as electro-osmotic drag, water diffusion and ionic conductivity. The experimental results show that membrane hydration mainly affects ohmic losses and especially when humidity at cathode side is reduced. The developed model can estimate the contribution of different overpotentials and the impact of cell hydration on ohmic resistance.
OriginalsprogEngelsk
TidsskriftECS Transactions
Vol/bind80
Udgave nummer8
Sider (fra-til)345-356
Antal sider12
ISSN1938-6737
DOI
StatusUdgivet - 2017
Begivenhed232nd ECS Meeting - National Harbor, USA
Varighed: 1 okt. 20175 okt. 2017

Konference

Konference232nd ECS Meeting
LandUSA
ByNational Harbor
Periode01/10/201705/10/2017

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