Abstract
High corrosion tendency is the bottleneck problem in the application of magnesium as lightweight bipolar plate for proton exchange membrane fuel cells (PEMFCs). This study proposes an innovative anodized Ta/Ag coating on Mg substrate, which is capable of significantly improving the anti-corrosion and electrical conduction abilities simultaneously. The corrosion behavior of the coating during immersion in the PEMFCs environment was investigated and compared with that in the working condition. In addition, the underlying mechanism of the corrosion behavior was discussed.
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