Fluorine anion-enriched nickel hydroxyl oxide as an efficient oxygen evolution reaction electrocatalyst.


School of Chemistry and Chemical Engineering, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Henan Xinxiang 453007, P. R. China. [Email]


F- anion-enriched Ni hydroxyl oxide (F-NHO) mesocrystalline microspheres were prepared by a facile hydrothermal hydrolysis of a Ni precursor mediated by NH4F. The quasi monocrystalline structure, superhydrophilic surface and high F- anion-doping level of F-NHO enable high catalytic efficiency for the oxygen evolution reaction in the electrolysis of water.

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