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Durability is one of the key remaining challenges to widespread adoption of proton exchange membrane fuel cells (PEMFCs). The durability and continued high performance of a PEMFC using carbon supported catalysts is highly dependent on the stability of the carbon support. Presently, there are a multitude of accelerated stress test (AST) protocols using rotating disk electrode (RDE) voltammetry to study the corrosion of carbon catalyst support materials, though it remains unclear whether all ofdoi:10.1149/2.0911507jes fatcat:2g4ux27ghnernla2p6yq7jw3ym