Abstract
Novel hierarchical MoS2@TiNb2O7 (MS@TNO) hetero-nanostructures consisted of TiNb2O7 nanorods and ultrathin MoS2 nanosheets were successfully synthesized by simple sol-gel/hydrothermal processes. The synergistic effects of the two constituents benefited to the lithium-ion transport kinetics of the MS@TNO hetero-nanostructure for lithium-ion batteries (LIBs). In the potential range of 0.01~3.00 V vs. Li/Li+, the MS@TNO-based LIBs exhibited high capacities of 925 and 771 mAh g−1 after 50 and 200 cycles at a current density of 0.5 A g−1, respectively, and excellent rate performance of 579 mAh g−1 at 4 A g−1. The obtained anode materials exhibited excellent electrochemical performance with superior reversible capacity, rate capability, and cyclic stability. The outstanding electrochemical property of 3D MS@TNO hetero-nanostructures allows their application in high-performance anode materials for next-generation LIBs.
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The authors acknowledge financial support from the NSF of China (Grant Nos. 11772286 and 11627801).
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Gong, Y., Chen, H., Gong, L. et al. Facile synthesis of MoS2@TiNb2O7 nanocomposite anode materials with superior electrochemical performance for Li-ion batteries. Ionics 25, 4119–4128 (2019). https://doi.org/10.1007/s11581-019-02974-x
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DOI: https://doi.org/10.1007/s11581-019-02974-x