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The development of electrode materials with hierarchical nanostructures has a great significance in the field of supercapacitors. In the present research, an effective hydrothermal approach is proposed to construct hierarchical...

An effective approach is developed to construct multi-shelled nickel–manganese selenide hollow sphere and double-shell nickel–iron selenide hollow sphere electrode materials for supercapacitors.

Electrode materials based on the yolk-shell structure are of considerable importance in the energy-storage fields. Herein, rugby-ball-like NiCo2Se4 yolk-shell nanostructures (RB-NCS) are successfully synthesized and developed as an attractive cathode...