Author:
Steen Stuart M.,Zhang Feng-Yuan
Abstract
In a PEMWE the oxygen electrode is in a harsh environment during electrolysis. This paper highlights recent efforts to investigate the material corrosion and interfacial effects that occur in the electrode interface between gas diffusion layers (GDLs) and catalyst layers of the PEMWE. The in-situ performance and impedance were studied with different GDLs. Both SEM microscopy and EDX spectroscopy were utilized as ex-situ tools to examine and detail the GDLs used before and after testing. A significant interfacial degradation was discovered due to the electrode corrosion with stainless steel.
Publisher
The Electrochemical Society
Cited by
4 articles.
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