Importance of Surface IrOx in Stabilizing RuO2 for Oxygen Evolution.

Abstract

The high precious metal loading and high overpotential of the oxygen evolution reaction (OER) prevents the widespread utilization of polymer electrolyte membrane (PEM) water electrolyzers. Herein we explore the OER activity and stability in acidic electrolyte of a combined IrOx/RuO2 system consisting of RuO2 thin films with submonolayer (1, 2, and 4… (More)
DOI: 10.1021/acs.jpcb.7b07047

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