▎ 摘 要
A unique MoS2/graphene composite (MoS2/GrF) was synthesized via a facile hydrothermal method. XRD, FESEM, EDS, TEM, HRTEM, XPS, and BET analyses were performed to characterize the as-synthesized samples. The samples were demonstrated to present interesting uniform three-dimensional hierarchical heterogeneous structures where MoS2 microspheres (with an average diameter of 750 nm) penetrated the graphene layer. By the "space-confined" effect, the (002) plane of MoS2 is inhibited when grown in the interlayer of GO, which increases the interlayer spacing and improves the rate performance of the electrode. Moreover, MoS2 that grows between the graphene layers can form a good contact, reducing the contact resistance. As an anode material for lithium-ion batteries, the MoS2/GrF electrode exhibited an outstanding reversible capacity (1510 mAh g(-1) at 100 mA g(-1) after 200 cycles) and excellent rate performance (similar to 990 mAh g(-1) at 1000 mA g(-1)).