Abstract
MoS2 nanosheet arrays supported on hierarchical nitrogen-doped porous carbon (MoS2@C) have been synthesized by a facile hydrothermal approach combined with high-temperature calcination. The hierarchical nitrogen-doped porous carbon can serve as three-dimensional conductive frameworks to improve the electronic transport of semiconducting MoS2. When evaluated as anode material for lithium-ion batteries, the MoS2@C exhibit enhanced electrochemical performances compared with pure MoS2 nanosheets, including high capacity (1305.5mAhg−1 at 100mAg−1), excellent rate capability (438.4mAhg−1 at 1000mAg−1). The reasons for the improved electrochemical performances are explored in terms of the high electronic conductivity and the facilitation of lithium ion transport arising from the hierarchical structures of MoS2@C.
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