Amorphous carbon layer contributing Li storage capacity to Nb2O5@C nanosheets†
Abstract
In this work, amorphous carbon very thin layers coated on a Nb2O5 nanosheet flexible composite have been successfully synthesized. The composite delivers a discharge capacity of 396 mA h g−1 after 100 cycles at a current density of 100 mA g−1, which is very much higher than for bare Nb2O5 nanosheets.