MoO3 nanosheets anchored in N-doped reduced graphene oxide as superior anodes for high-performance lithium storage
Molybdenum trioxide (MoO 3 ) possesses unique layered structure with high theoretical capacity and good environmental friendliness, which has been widely investigated as a potential anode material. Herein, MoO 3 nanosheets anchored in N-doped reduced graphene oxide (MoO 3 /NG) composite was constructed and prepared through hydrothermal reaction and post-calcination. The introduction of NG matrix can enhance the electronic conductivity and accelerate reaction kinetics of the MoO 3 , and solve the problem of severe capacity decay caused by its volume changes. MoO 3 /NG composite can deliver superior cycling performance (900.2 mAh g −1 at 0.2 Ag −1 after 100 cycles and 407.5 mAh g −1 at 10.0 Ag −1 after 500 cycles) and fast reaction kinetics with high diffusion coefficients and low charge transfer resistances. Moreover, the excellent electrochemical performance of the full battery lays a solid foundation for subsequent commercial application research.
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