Abstract
Nanostructured ZnO and ternary Zn-based oxides have been regarded as promising anode materials for lithium ion batteries. In the present work, we report a facile and simple method to synthesize the highly porous ZnO/ZnFe2O4 hybrid nanostructures using the prussian blue analogue as the sacrificial template. The synthetic process only contains the room temperature synthesis of the precursor with a subsequent annealing treatment. Benefiting from their unique structural/component merits, the ZnO/ZnFe2O4 hybrid nanostructures exhibit excellent lithium-storage performance as anode materials. The first discharge capacity is as high as 998.4mAhg−1, and a high reversible discharge capacity of 704mAhg−1 is still retained after 200 cycles, indicating good cycle stability. The porous ZnO/ZnFe2O4 hybrid nanostructures could be a high-performance anode materials for lithium ion batteries.
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