Owing to the distinctive chemical properties and cost-effectiveness, transition metal oxides (TMOs) promise intriguing potential in electrocatalysis applications. Herein, porous NiCo2O4 nanobelts with controlled oxygen deficiencies were synthesized based on...

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Electrodes with hierarchical nanoarchitectures could promote electrochemical properties due to large exposed active sites and quick charge transfer. Herein, the in situ grown hierarchical NiO nanosheet@nanowire films are reported by...