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A uniformly coated MoS2/Carbon-nanocomposite with three-dimensionalhierarchical architecture based on carbonized bacterial cellulose (CBC)nanofibers is synthesized by a facile one-step hydrothermal method followed bythermal annealing at 700 {\deg}C in Ar atmosphere. Strong hydrogen bondsbetween the Mo precursor and the BC nanofibers are found to be crucial for thein-situ growth of MoS2 nanosheets on the nanofibers during hydrothermalprocess. The unique structure was maintained and the connection between MoS2and nanofibers were strengthened in the sintering process, leading to animproved stability of the resulting nanocomposite upon electrochemical cycling.The low-cost and environmentally friendly 3D web-like structure enablesbinder-free and carbon-free electrodes for lithium-ion batteries, which exhibithigh specific discharge capacities up to 1140 mAh/g at the C-rate of 1 Cwithout significant capacity fading for over 50 cycles. The porous conductivehierarchical structure of the composite endows excellent rate performance byavoiding the aggregation of the MoS2 nanosheets and by accommodating mechanicalstress which appears upon electrochemical cycling.

A facile synthesis method and electrochemical studies of hierarchical structured MoS2/C-nanocomposite