Author:
Subramanian Nalini P.,Greszler Thomas,Zhang Junliang,Gu Wenbin,Makharia Rohit R.
Abstract
Oxygen Reduction Reaction (ORR) currents have been measured under the potential range of an operating fuel cell (0.72-0.9 Volts) while keeping proton and oxygen transport-related overpotentials insignificant by testing with pure O2, at 100%RH and at low current densities. Low potential points are achieved by reducing the platinum loading on the cathode and operating under sub-ambient (<101.3 kPaabs) pressure. The resulting experimental data is fit to Pt-oxide-coverage-dependent kinetics and the kinetic parameters extracted.
Publisher
The Electrochemical Society
Cited by
23 articles.
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