Abstract

ABSTRACTThe electrochemical storage performance of anatase TiO2nanotubes (NT) is compared to the performance of TiO2nanotubes covered by sulfur. Charge/discharge curves and cycling performance of TiO2NT with and without sulfur deposition with respect to lithium anodes are demonstrated in electrochemical test cells. At 0.5C cycle rate the TiO2NT exhibited a first cycle specific charge/discharge capacity of 180/155 mAh/g, whereas the TiO2NT deposited with sulfur showed a remarkably higher performance at 0.5C cycle rate with first cycle charge/ discharge specific capacities of 258/260 mAh/g and a coulombic efficiency of 98%.

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