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Nb_2O_5/C nanosheets are successfully prepared through a mixing process and followed by heating treatment.Such Nb_2O_5/C based electrode exhibits high rate performance and remarkable cycling ability,showing a high and stable specific capacity of ~380mAhg~(-1) at the current density of 50 mAg~(-1)(much higher than the theoretical capacity of Nb_2O_5).Further more,at a current density of 500mAg~(-1),the nanocomposites electrode still exhibits a specific capacity of above 150 mAh g~(-1) after 100 cycles.These results suggest the Nb_2O_5/C nanocomposite is a high performance anode material for lithium-ion batteries.
Nb_2O_5 / C nanosheets are successfully prepared through a mixing process and followed by heating treatment. Such Nb_2O_5 / C based electrode exhibits high rate performance and remarkable cycling ability, showing a high and stable specific capacity of ~ 380mAhg -1 at the current the density of 50 mAg -1 (much higher than the theoretical capacity of Nb 2 O 5) .Further more, at a current density of 500 mAg -1, the nanocomposites electrode still exhibits a specific capacity of above 150 mAh g ~ ( -1) after 100 cycles. These results suggest the Nb 2 O 5 / C nanocomposite is a high performance anode material for lithium-ion batteries.