The study on structure and electrochemical sodiation of one-dimensional nanocrystalline TiO2@C nanofiber composites
By Yeqian Ge and Jiadeng Zhu and Yao Lu and Chen Chen and Yiping Qiu and Xiangwu Zhang
Published in Electrochimica Acta
NULL
2015
Abstract
Titanium dioxide (TiO2) is a prospective anode candidate for sodium-ion batteries, owing to the advantages of good chemical stability, elemental abundance and nontoxicity. In this work, TiO2 embedded in carbon nanofiber (TiO2@CNF) composites are prepared for high-performance sodium-ion batteries by electrospinning and subsequent heat treatment in \N2\ at different temperatures. With increase in heat-treatment temperature, the diameter of nanofibers decreases and the crystal phase partially transforms from anatase to rutile. Among all composites, the TiO2@CNF composite treated at 550
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