International Research Center for Renewable Energy State Key Laboratory of Multiphase Flow in Power Engineering Xi’an Jiaotong University Xi’an 710049 Shaanxi China;
School of Environmental Science and Engineering Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province Qingdao University Qingdao 266071 Shandong China;
Polycrystalline titania; Nanofibers; Sodium storage; High-rate capability;