Abstract
In this paper, a novel bionic preparation of anode materials for lithium-ion batteries was reported. Butterfly wings were used as a template to prepare three-dimensional (3D) TiO2 anode materials. The final product of TiO2 anode materials maintained the 3D structure of butterfly wings perfectly. The morphology and crystal structure were studied by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM). The electrochemical performance was evaluated by galvanostatic chargedischarge tests. The results showed that the novel 3D porous structure is benefit to the high electrochemical performance
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