2D NiFe2O4/Ni(OH)2 Heterostructure‐Based Self‐Supporting Electrode With Synergistic Surface/Interfacial Engineering for Efficient Water Electrooxidation

To meet the industrial demand for overall water splitting, oxygen evolution reaction (OER) electrocatalysts with low-cost, highly effective, and durable properties are urgently required. Herein, a facile confined strategy is utilized to construct 2D NiFe