Influence of artificially aged gas diffusion layers on the water management of polymer electrolyte membrane fuel cells analyzed with in-operando synchrotron imaging

Tobias Arlt, Merle Klages, Matthias Messerschmidt, Joachim Scholta and Ingo Manke

Energy, 2017, vol. 118, issue C, 502-511

Abstract: The influence of artificial ageing of gas diffusion layers (GDLs) on the cell performance was investigated using high resolution synchrotron radiography. State-of-the-art GDLs of the type SIGRACET® SGL 25BC were aged for 0 h, 16 h and 24 h in a hydrogen peroxide solution before they were assembled in the fuel cells. In-operando radiographic measurements were combined with voltage and contact angle measurements. Correlations between applied ageing conditions, GDL water saturation and cell performance were revealed. Hereby, all cell operating conditions were tested several times to estimate the reproducibility of in-operando radiographic fuel cell measurements.

Keywords: Polymer electrolyte membrane fuel cell; In-operando synchrotron radiography; Artificial ageing; Gas diffusion layer; Water management (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:118:y:2017:i:c:p:502-511

DOI: 10.1016/j.energy.2016.10.061

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