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ACS Omega· 2026Q1

Electrochemically Activated Tetra-Metallic Phosphate (Mn–Fe–Co–Ni) Electrocatalyst for the Oxygen Evolution Reaction (OER) in Alkaline Media

Yeslie Carrillo Cabrera, José L. Lasso, Armando Peña-Duarte, Carlos R. Cabrera

Short summary

An electrochemically activated tetra-metallic phosphate (Mn–Fe–Co–Ni) catalyst demonstrates enhanced oxygen evolution reaction (OER) performance, achieving a lower overpotential (360 mV at 10 mA cm–2 in 1.0 M KOH) and superior long-term stability (stable overpotential over 24 h) compared to a RuO2 reference.

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Field: Renewable Energy, Sustainability and the Environment

Renewable Energy, Sustainability and the EnvironmentEnergy