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Journal of the American Chemical Society· 2014Q1

Nickel–Iron Oxyhydroxide Oxygen-Evolution Electrocatalysts: The Role of Intentional and Incidental Iron Incorporation

Lena Trotochaud, Samantha L. Young, James K. Ranney, Shannon W. Boettcher

Short summary

Iron impurities, not the intended β-NiOOH phase, are responsible for the enhanced oxygen evolution reaction (OER) activity in Ni-based electrocatalysts, with iron incorporation increasing film conductivity over 30-fold and acting as a partial-charge-transfer activator.

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Field: Renewable Energy, Sustainability and the Environment

Renewable Energy, Sustainability and the EnvironmentEnergy