Naslov
Mitigating mass transport limitations of PEFCs during dynamic operation

Autori
Marius, Bernhard ; Penga, Željko ; Hacker, Viktor

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, prošireni sažetak, znanstveni

Izvornik
RSE-SEE 7 / - , 2019, Pdf-pdf

Skup
7th Regional Symposium on Electrochemistry for South-East Europe ; 8th Kurt Schwabe Symposium

Mjesto i datum
Split, Hrvatska, 27.05.2019. - 30.05.2019

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
PEM fuel cells ; Mass Transport Limitations ; Dynamic Operation ; Undershoots/Overshoots

Sažetak
Abstract - The performance and lifetime of polymer electrolyte fuel cells are very much dependent on internal conditions and modes of operation. During steady state operation of the fuel cell, the conditioning parameters like stoichiometry, pressure, temperature and humidity can be continuously adjusted to achieve a constant high performance of the fuel cell. In dynamic operation of the fuel cell, it is very challenging to monitor and control the fast changing conditions inside the cell. Fast and disruptive changes are performed in these experiments either by load or voltage steps. By observing the voltage response of a load change it is possible to get fundamental details on the mass transport mechanisms inside the fuel cell.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo, Strojarstvo

POVEZANOST RADA