Abstract

TiO2 is one of the more promising anode materials for sodium-ion batteries, but its poor electrical conductivity and slow Na+ diffusion kinetics limit its further development. Herein, C, N, P self-doping KTi2(PO4)3/TiO2 composites were successfully prepared by using lotus pollen as bio-template. And the experimental results show that the introduction of heteroatom and KTi2(PO4)3 into TiO2 greatly contributes to improving the conductivity and Na+ mobility of TiO2. The strategies provided in this paper can not only provide new ideas for the design and preparation of anode materials for TiO2-based sodium-ion batteries, but also provide new directions for the utilization of natural biomass.

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