Naslov
Characterization of PEM water electrolysis cell with electrochemical impedance spectroscopy

Autori
Tomić, Andrej Zvonimir ; Pivac, Ivan ; Barbir, Frano

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
European Fuel Cell Proceedings of the 8th European Fuel Cell Piero Lunghi Conference / Cigolotti, Viviana - Rim : ENEA, 2019, 163-164

ISBN
978-88-8286-386-9

Skup
8th European Fuel Cell Technology & Applications Piero Lunghi Conference (EFC19)

Mjesto i datum
Napulj, Italija, 09.12.2019. - 11.12.2019

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
electrochemical impedance spectroscopy ; equivalent circuit model ; PEM electrolyzer ; proton exchange membrane

Sažetak
The paper deals with the diagnosis of the various operating conditions impact on the performance of a proton exchange membrane (PEM) water electrolysis cell. A 45 cm2 single cell with Nafion N117 membrane, Ir-Ru oxide as anode catalyst and Pt black as cathode catalyst, is analyzed by means of electrochemical impedance spectroscopy (EIS) measurements at different cell temperatures and cathode backpressures via test station for PEM electrolyzers custom-made by Sustainable Innovations. Furthermore, a widely used equivalent circuit model was utilized to support the impedance analysis, in order to find common links between the relevant electrochemical processes within the electrolyzer, together with the PEM fuel cells findings. Based on these established approaches and obtained results, degradation diagnostics of the PEM electrolyzers will be further explored, also as the additional model upgrades.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo, Strojarstvo

POVEZANOST RADA